A band of fibrous tissue that attaches the apex of the PATELLA to the lower part of the tubercle of the TIBIA. The ligament is actually the caudal continuation of the common tendon of the QUADRICEPS FEMORIS. The patella is embedded in that tendon. As such, the patellar ligament can be thought of as connecting the quadriceps femoris tendon to the tibia, and therefore it is sometimes called the patellar tendon.
Fibrous bands or cords of CONNECTIVE TISSUE at the ends of SKELETAL MUSCLE FIBERS that serve to attach the MUSCLES to bones and other structures.
Injuries to the fibrous cords of connective tissue which attach muscles to bones or other structures.
A specialized CONNECTIVE TISSUE that is the main constituent of the SKELETON. The principle cellular component of bone is comprised of OSTEOBLASTS; OSTEOCYTES; and OSTEOCLASTS, while FIBRILLAR COLLAGENS and hydroxyapatite crystals form the BONE MATRIX.
The grafting of bone from a donor site to a recipient site.
The flat, triangular bone situated at the anterior part of the KNEE.
A fibrous cord that connects the muscles in the back of the calf to the HEEL BONE.
The continuous turnover of BONE MATRIX and mineral that involves first an increase in BONE RESORPTION (osteoclastic activity) and later, reactive BONE FORMATION (osteoblastic activity). The process of bone remodeling takes place in the adult skeleton at discrete foci. The process ensures the mechanical integrity of the skeleton throughout life and plays an important role in calcium HOMEOSTASIS. An imbalance in the regulation of bone remodeling's two contrasting events, bone resorption and bone formation, results in many of the metabolic bone diseases, such as OSTEOPOROSIS.
Clinical syndrome describing overuse tendon injuries characterized by a combination of PAIN, diffuse or localized swelling, and impaired performance. Distinguishing tendinosis from tendinitis is clinically difficult and can be made only after histopathological examination.
Surgical procedure by which a tendon is incised at its insertion and placed at an anatomical site distant from the original insertion. The tendon remains attached at the point of origin and takes over the function of a muscle inactivated by trauma or disease.
Fixation of the ANTERIOR CRUCIATE LIGAMENT, during surgical reconstruction, by the use of a bone-patellar tendon graft.
Conservative contouring of the alveolar process, in preparation for immediate or future denture construction. (Dorland, 28th ed)
Forcible or traumatic tear or break of an organ or other soft part of the body.
A strong ligament of the knee that originates from the posteromedial portion of the lateral condyle of the femur, passes anteriorly and inferiorly between the condyles, and attaches to the depression in front of the intercondylar eminence of the tibia.
The amount of mineral per square centimeter of BONE. This is the definition used in clinical practice. Actual bone density would be expressed in grams per milliliter. It is most frequently measured by X-RAY ABSORPTIOMETRY or TOMOGRAPHY, X RAY COMPUTED. Bone density is an important predictor for OSTEOPOROSIS.
A fracture in which union fails to occur, the ends of the bone becoming rounded and eburnated, and a false joint occurs. (Stedman, 25th ed)
Injuries to the knee or the knee joint.
Procedures used to reconstruct, restore, or improve defective, damaged, or missing structures.
The properties, processes, and behavior of biological systems under the action of mechanical forces.
Bone loss due to osteoclastic activity.
Tumors or cancer located in bone tissue or specific BONES.
The soft tissue filling the cavities of bones. Bone marrow exists in two types, yellow and red. Yellow marrow is found in the large cavities of large bones and consists mostly of fat cells and a few primitive blood cells. Red marrow is a hematopoietic tissue and is the site of production of erythrocytes and granular leukocytes. Bone marrow is made up of a framework of connective tissue containing branching fibers with the frame being filled with marrow cells.
A synovial hinge connection formed between the bones of the FEMUR; TIBIA; and PATELLA.
The largest of three bones that make up each half of the pelvic girdle.
The distance and direction to which a bone joint can be extended. Range of motion is a function of the condition of the joints, muscles, and connective tissues involved. Joint flexibility can be improved through appropriate MUSCLE STRETCHING EXERCISES.
Cells contained in the bone marrow including fat cells (see ADIPOCYTES); STROMAL CELLS; MEGAKARYOCYTES; and the immediate precursors of most blood cells.
Renewal or repair of lost bone tissue. It excludes BONY CALLUS formed after BONE FRACTURES but not yet replaced by hard bone.
The growth and development of bones from fetus to adult. It includes two principal mechanisms of bone growth: growth in length of long bones at the epiphyseal cartilages and growth in thickness by depositing new bone (OSTEOGENESIS) with the actions of OSTEOBLASTS and OSTEOCLASTS.
The second longest bone of the skeleton. It is located on the medial side of the lower leg, articulating with the FIBULA laterally, the TALUS distally, and the FEMUR proximally.
The maximum stress a material subjected to a stretching load can withstand without tearing. (McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed, p2001)
A scraping, usually of the interior of a cavity or tract, for removal of new growth or other abnormal tissue, or to obtain material for tissue diagnosis. It is performed with a curet (curette), a spoon-shaped instrument designed for that purpose. (From Stedman, 25th ed & Dorland, 27th ed)
Diseases of BONES.
The physical state of supporting an applied load. This often refers to the weight-bearing bones or joints that support the body's weight, especially those in the spine, hip, knee, and foot.
A team sport in which two teams hit an inflated ball back and forth over a high net using their hands.
Surgical procedure to add bone to the ALVEOLAR RIDGE in children born with a CLEFT LIP and a CLEFT PALATE.
Injuries incurred during participation in competitive or non-competitive sports.
Extracellular substance of bone tissue consisting of COLLAGEN fibers, ground substance, and inorganic crystalline minerals and salts.
Synthetic or natural materials for the replacement of bones or bone tissue. They include hard tissue replacement polymers, natural coral, hydroxyapatite, beta-tricalcium phosphate, and various other biomaterials. The bone substitutes as inert materials can be incorporated into surrounding tissue or gradually replaced by original tissue.
Transplantation of an individual's own tissue from one site to another site.
Benign unilocular lytic areas in the proximal end of a long bone with well defined and narrow endosteal margins. The cysts contain fluid and the cyst walls may contain some giant cells. Bone cysts usually occur in males between the ages 3-15 years.
The bone which is located most lateral in the proximal row of CARPAL BONES.
Surgical division of a tendon for relief of a deformity that is caused by congenital or acquired shortening of a muscle (Stedman, 27th ed). Tenotomy is performed in order to lengthen a muscle that has developed improperly, or become shortened and is resistant to stretching.
The physiological restoration of bone tissue and function after a fracture. It includes BONY CALLUS formation and normal replacement of bone tissue.
A region of the lower extremity immediately surrounding and including the KNEE JOINT.
The quadriceps femoris. A collective name of the four-headed skeletal muscle of the thigh, comprised of the rectus femoris, vastus intermedius, vastus lateralis, and vastus medialis.
Evaluation undertaken to assess the results or consequences of management and procedures used in combating disease in order to determine the efficacy, effectiveness, safety, and practicability of these interventions in individual cases or series.
Implantable fracture fixation devices attached to bone fragments with screws to bridge the fracture gap and shield the fracture site from stress as bone heals. (UMDNS, 1999)
Numerical expression indicating the measure of stiffness in a material. It is defined by the ratio of stress in a unit area of substance to the resulting deformation (strain). This allows the behavior of a material under load (such as bone) to be calculated.
Lack of stability of a joint or joint prosthesis. Factors involved are intra-articular disease and integrity of extra-articular structures such as joint capsule, ligaments, and muscles.
Breaks in bones.
A purely physical condition which exists within any material because of strain or deformation by external forces or by non-uniform thermal expansion; expressed quantitatively in units of force per unit area.
The growth action of bone tissue as it assimilates surgically implanted devices or prostheses to be used as either replacement parts (e.g., hip) or as anchors (e.g., endosseous dental implants).
A pathologic entity characterized by deossification of a weight-bearing long bone, followed by bending and pathologic fracture, with inability to form normal BONY CALLUS leading to existence of the "false joint" that gives the condition its name. (Dorland, 27th ed)
The use of internal devices (metal plates, nails, rods, etc.) to hold the position of a fracture in proper alignment.
The transference of BONE MARROW from one human or animal to another for a variety of purposes including HEMATOPOIETIC STEM CELL TRANSPLANTATION or MESENCHYMAL STEM CELL TRANSPLANTATION.
CONNECTIVE TISSUE of the anterior compartment of the THIGH that has its origins on the anterior aspect of the iliac crest and anterior superior iliac spine, and its insertion point on the iliotibial tract. It plays a role in medial rotation of the THIGH, steadying the trunk, and in KNEE extension.
The longest and largest bone of the skeleton, it is situated between the hip and the knee.
Endoscopic examination, therapy and surgery of the joint.
Adhesives used to fix prosthetic devices to bones and to cement bone to bone in difficult fractures. Synthetic resins are commonly used as cements. A mixture of monocalcium phosphate, monohydrate, alpha-tricalcium phosphate, and calcium carbonate with a sodium phosphate solution is also a useful bone paste.
Restoration of integrity to traumatized tissue.
Reflex contraction of a muscle in response to stretching, which stimulates muscle proprioceptors.
The eight bones of the wrist: SCAPHOID BONE; LUNATE BONE; TRIQUETRUM BONE; PISIFORM BONE; TRAPEZIUM BONE; TRAPEZOID BONE; CAPITATE BONE; and HAMATE BONE.
Studies in which individuals or populations are followed to assess the outcome of exposures, procedures, or effects of a characteristic, e.g., occurrence of disease.
A number of ligaments on either side of, and serving as a radius of movement of, a joint having a hingelike movement. They occur at the elbow, knee, wrist, metacarpo- and metatarsophalangeal, proximal interphalangeal, and distal interphalangeal joints of the hands and feet. (Stedman, 25th ed)
A repeat operation for the same condition in the same patient due to disease progression or recurrence, or as followup to failed previous surgery.
The development of bony substance in normally soft structures.
The thickest and spongiest part of the maxilla and mandible hollowed out into deep cavities for the teeth.
Fractures of the femur.
Rebuilding of the ANTERIOR CRUCIATE LIGAMENT to restore functional stability of the knee. AUTOGRAFTING or ALLOGRAFTING of tissues is often used.
A family of structurally related collagens that form the characteristic collagen fibril bundles seen in CONNECTIVE TISSUE.
Procedures used to treat and correct deformities, diseases, and injuries to the MUSCULOSKELETAL SYSTEM, its articulations, and associated structures.
A bone tumor composed of cellular spindle-cell stroma containing scattered multinucleated giant cells resembling osteoclasts. The tumors range from benign to frankly malignant lesions. The tumor occurs most frequently in an end of a long tubular bone in young adults. (From Dorland, 27th ed; Stedman, 25th ed)
A potent osteoinductive protein that plays a critical role in the differentiation of osteoprogenitor cells into OSTEOBLASTS.
A competitive team sport played on a rectangular court having a raised basket at each end.
Specialized devices used in ORTHOPEDIC SURGERY to repair bone fractures.
Pathologic processes that affect patients after a surgical procedure. They may or may not be related to the disease for which the surgery was done, and they may or may not be direct results of the surgery.
The articulation between the articular surface of the PATELLA and the patellar surface of the FEMUR.
Aseptic or avascular necrosis of the femoral head. The major types are idiopathic (primary), as a complication of fractures or dislocations, and LEGG-CALVE-PERTHES DISEASE.
A partial or complete return to the normal or proper physiologic activity of an organ or part following disease or trauma.
The process of bone formation. Histogenesis of bone including ossification.
Bone in humans and primates extending from the SHOULDER JOINT to the ELBOW JOINT.
Elements of limited time intervals, contributing to particular results or situations.
The outer shorter of the two bones of the FOREARM, lying parallel to the ULNA and partially revolving around it.
A polypeptide substance comprising about one third of the total protein in mammalian organisms. It is the main constituent of SKIN; CONNECTIVE TISSUE; and the organic substance of bones (BONE AND BONES) and teeth (TOOTH).
Fibrous blood-filled cyst in the bone. Although benign it can be destructive causing deformity and fractures.
Bone-growth regulatory factors that are members of the transforming growth factor-beta superfamily of proteins. They are synthesized as large precursor molecules which are cleaved by proteolytic enzymes. The active form can consist of a dimer of two identical proteins or a heterodimer of two related bone morphogenetic proteins.
Removal of mineral constituents or salts from bone or bone tissue. Demineralization is used as a method of studying bone strength and bone chemistry.
Rods of bone, metal, or other material used for fixation of the fragments or ends of fractured bones.
Descriptive anatomy based on three-dimensional imaging (IMAGING, THREE-DIMENSIONAL) of the body, organs, and structures using a series of computer multiplane sections, displayed by transverse, coronal, and sagittal analyses. It is essential to accurate interpretation by the radiologist of such techniques as ultrasonic diagnosis, MAGNETIC RESONANCE IMAGING, and computed tomography (TOMOGRAPHY, X-RAY COMPUTED). (From Lane & Sharfaei, Modern Sectional Anatomy, 1992, Preface)
A normal developing tooth which has not yet perforated the oral mucosa or one that fails to erupt in the normal sequence or time interval expected for the type of tooth in a given gender, age, or population group.
Resorption or wasting of the tooth-supporting bone (ALVEOLAR PROCESS) in the MAXILLA or MANDIBLE.
The bone of the lower leg lateral to and smaller than the tibia. In proportion to its length, it is the most slender of the long bones.
Surgical therapy of ischemic coronary artery disease achieved by grafting a section of saphenous vein, internal mammary artery, or other substitute between the aorta and the obstructed coronary artery distal to the obstructive lesion.
The largest of the TARSAL BONES which is situated at the lower and back part of the FOOT, forming the HEEL.
Individuals who have developed skills, physical stamina and strength or participants in SPORTS or other physical activities.
Non-invasive method of demonstrating internal anatomy based on the principle that atomic nuclei in a strong magnetic field absorb pulses of radiofrequency energy and emit them as radiowaves which can be reconstructed into computerized images. The concept includes proton spin tomographic techniques.
Intraoral OSTEOTOMY of the lower jaw usually performed in order to correct MALOCCLUSION.
The use of nails that are inserted into bone cavities in order to keep fractured bones together.
Congenital fissure of the soft and/or hard palate, due to faulty fusion.
Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons.
The most common form of fibrillar collagen. It is a major constituent of bone (BONE AND BONES) and SKIN and consists of a heterotrimer of two alpha1(I) and one alpha2(I) chains.
The surgical fixation of a joint by a procedure designed to accomplish fusion of the joint surfaces by promoting the proliferation of bone cells. (Dorland, 28th ed)
Preprosthetic surgery involving rib, cartilage, or iliac crest bone grafts, usually autologous, or synthetic implants for rebuilding the alveolar ridge.
The second largest of the TARSAL BONES. It articulates with the TIBIA and FIBULA to form the ANKLE JOINT.
The period of care beginning when the patient is removed from surgery and aimed at meeting the patient's psychological and physical needs directly after surgery. (From Dictionary of Health Services Management, 2d ed)
External devices which hold wires or pins that are placed through one or both cortices of bone in order to hold the position of a fracture in proper alignment. These devices allow easy access to wounds, adjustment during the course of healing, and more functional use of the limbs involved.
A type of strength-building exercise program that requires the body muscle to exert a force against some form of resistance, such as weight, stretch bands, water, or immovable objects. Resistance exercise is a combination of static and dynamic contractions involving shortening and lengthening of skeletal muscles.
Malfunction of implantation shunts, valves, etc., and prosthesis loosening, migration, and breaking.
Either of a pair of compound bones forming the lateral (left and right) surfaces and base of the skull which contains the organs of hearing. It is a large bone formed by the fusion of parts: the squamous (the flattened anterior-superior part), the tympanic (the curved anterior-inferior part), the mastoid (the irregular posterior portion), and the petrous (the part at the base of the skull).
Congenital defect in the upper lip where the maxillary prominence fails to merge with the merged medial nasal prominences. It is thought to be caused by faulty migration of the mesoderm in the head region.
The shaft of long bones.
Injuries to the lower jaw bone.
Injuries to the wrist or the wrist joint.
One of a pair of irregularly shaped quadrilateral bones situated between the FRONTAL BONE and OCCIPITAL BONE, which together form the sides of the CRANIUM.
The part of the pelvis that comprises the pelvic socket where the head of FEMUR joins to form HIP JOINT (acetabulofemoral joint).
Steel wires, often threaded through the skin, soft tissues, and bone, used to fix broken bones. Kirschner wires or apparatus also includes the application of traction to the healing bones through the wires.
Replacement of the hip joint.
Activities or games, usually involving physical effort or skill. Reasons for engagement in sports include pleasure, competition, and/or financial reward.
Union of the fragments of a fractured bone in a faulty or abnormal position. If two bones parallel to one another unite by osseous tissue, the result is a crossunion. (From Manual of Orthopaedic Terminology, 4th ed)
Operative immobilization or ankylosis of two or more vertebrae by fusion of the vertebral bodies with a short bone graft or often with diskectomy or laminectomy. (From Blauvelt & Nelson, A Manual of Orthopaedic Terminology, 5th ed, p236; Dorland, 28th ed)
A fracture in which the bone is splintered or crushed. (Dorland, 27th ed)
A subtype of striated muscle, attached by TENDONS to the SKELETON. Skeletal muscles are innervated and their movement can be consciously controlled. They are also called voluntary muscles.
Dissolution of bone that particularly involves the removal or loss of calcium.
The use of metallic devices inserted into or through bone to hold a fracture in a set position and alignment while it heals.
The surgical cutting of a bone. (Dorland, 28th ed)
Replacement for a knee joint.
The hemispheric articular surface at the upper extremity of the thigh bone. (Stedman, 26th ed)
Bone-forming cells which secrete an EXTRACELLULAR MATRIX. HYDROXYAPATITE crystals are then deposited into the matrix to form bone.
Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group.
Fractures in which there is an external wound communicating with the break of the bone.
Resistance and recovery from distortion of shape.
Non-human animals, selected because of specific characteristics, for use in experimental research, teaching, or testing.
Osteitis or caries of the vertebrae, usually occurring as a complication of tuberculosis of the lungs.
Calcium salts of phosphoric acid. These compounds are frequently used as calcium supplements.
The removal of foreign material and devitalized or contaminated tissue from or adjacent to a traumatic or infected lesion until surrounding healthy tissue is exposed. (Dorland, 27th ed)
Insertion of an implant into the bone of the mandible or maxilla. The implant has an exposed head which protrudes through the mucosa and is a prosthodontic abutment.
The joining of objects by means of a cement (e.g., in fracture fixation, such as in hip arthroplasty for joining of the acetabular component to the femoral component). In dentistry, it is used for the process of attaching parts of a tooth or restorative material to a natural tooth or for the attaching of orthodontic bands to teeth by means of an adhesive.
The inner and longer bone of the FOREARM.
Tongues of skin and subcutaneous tissue, sometimes including muscle, cut away from the underlying parts but often still attached at one end. They retain their own microvasculature which is also transferred to the new site. They are often used in plastic surgery for filling a defect in a neighboring region.
A large multinuclear cell associated with the BONE RESORPTION. An odontoclast, also called cementoclast, is cytomorphologically the same as an osteoclast and is involved in CEMENTUM resorption.
The musculotendinous sheath formed by the supraspinatus, infraspinatus, subscapularis, and teres minor muscles. These help stabilize the head of the HUMERUS in the glenoid fossa and allow for rotation of the SHOULDER JOINT about its longitudinal axis.
Replacement for a hip joint.
Reduction of bone mass without alteration in the composition of bone, leading to fractures. Primary osteoporosis can be of two major types: postmenopausal osteoporosis (OSTEOPOROSIS, POSTMENOPAUSAL) and age-related or senile osteoporosis.
VERTEBRAE in the region of the lower BACK below the THORACIC VERTEBRAE and above the SACRAL VERTEBRAE.
Internal devices used in osteosynthesis to hold the position of the fracture in proper alignment. By applying the principles of biomedical engineering, the surgeon uses metal plates, nails, rods, etc., for the correction of skeletal defects.
The species Oryctolagus cuniculus, in the family Leporidae, order LAGOMORPHA. Rabbits are born in burrows, furless, and with eyes and ears closed. In contrast with HARES, rabbits have 22 chromosome pairs.
A bone fixation technique using an external fixator (FIXATORS, EXTERNAL) for lengthening limbs, correcting pseudarthroses and other deformities, and assisting the healing of otherwise hopeless traumatic or pathological fractures and infections, such as chronic osteomyelitis. The method was devised by the Russian orthopedic surgeon Gavriil Abramovich Ilizarov (1921-1992). (From Bull Hosp Jt Dis 1992 Summer;52(1):1)
Devices which are used in the treatment of orthopedic injuries and diseases.
Transplantation between individuals of the same species. Usually refers to genetically disparate individuals in contradistinction to isogeneic transplantation for genetically identical individuals.
The amount of force generated by MUSCLE CONTRACTION. Muscle strength can be measured during isometric, isotonic, or isokinetic contraction, either manually or using a device such as a MUSCLE STRENGTH DYNAMOMETER.
Replacement of the knee joint.
A benign neoplasm derived from mesodermal cells that form cartilage. It may remain within the substance of a cartilage or bone (true chondroma or enchondroma) or may develop on the surface of a cartilage (ecchondroma or ecchondrosis). (Dorland, 27th ed; Stedman, 25th ed)
A bone morphogenetic protein that is widely expressed during EMBRYONIC DEVELOPMENT. It is both a potent osteogenic factor and a specific regulator of nephrogenesis.
Process by which organic tissue becomes hardened by the physiologic deposit of calcium salts.
The joint that is formed by the articulation of the head of FEMUR and the ACETABULUM of the PELVIS.
Tomography using x-ray transmission and a computer algorithm to reconstruct the image.
The plan and delineation of prostheses in general or a specific prosthesis.
A prosthesis that gains its support, stability, and retention from a substructure that is implanted under the soft tissues of the basal seat of the device and is in contact with bone. (From Boucher's Clinical Dental Terminology, 4th ed)
The five cylindrical bones of the METACARPUS, articulating with the CARPAL BONES proximally and the PHALANGES OF FINGERS distally.
The bone that forms the frontal aspect of the skull. Its flat part forms the forehead, articulating inferiorly with the NASAL BONE and the CHEEK BONE on each side of the face.
A usually benign tumor composed of cells which arise from chondroblasts or their precursors and which tend to differentiate into cartilage cells. It occurs primarily in the epiphyses of adolescents. It is relatively rare and represents less than 2% of all primary bone tumors. The peak incidence is in the second decade of life; it is about twice as common in males as in females. (From Dorland, 27th ed; Holland et al., Cancer Medicine, 3d ed, p1846)
The largest and strongest bone of the FACE constituting the lower jaw. It supports the lower teeth.
Synthetic or natural materials, other than DRUGS, that are used to replace or repair any body TISSUES or bodily function.
X-RAY COMPUTERIZED TOMOGRAPHY with resolution in the micrometer range.
Biocompatible materials placed into (endosseous) or onto (subperiosteal) the jawbone to support a crown, bridge, or artificial tooth, or to stabilize a diseased tooth.
Vitamin K-dependent calcium-binding protein synthesized by OSTEOBLASTS and found primarily in BONES. Serum osteocalcin measurements provide a noninvasive specific marker of bone metabolism. The protein contains three residues of the amino acid gamma-carboxyglutamic acid (Gla), which, in the presence of CALCIUM, promotes binding to HYDROXYAPATITE and subsequent accumulation in BONE MATRIX.
The bones of the free part of the lower extremity in humans and of any of the four extremities in animals. It includes the FEMUR; PATELLA; TIBIA; and FIBULA.
A thick, fibrocartilaginous ligament at the metacarpophalageal joint.
A dead body, usually a human body.
The technique that deals with the measurement of the size, weight, and proportions of the human or other primate body.
Fractures in which the break in bone is not accompanied by an external wound.
The act, process, or result of passing from one place or position to another. It differs from LOCOMOTION in that locomotion is restricted to the passing of the whole body from one place to another, while movement encompasses both locomotion but also a change of the position of the whole body or any of its parts. Movement may be used with reference to humans, vertebrate and invertebrate animals, and microorganisms. Differentiate also from MOTOR ACTIVITY, movement associated with behavior.
Progressive restriction of the developmental potential and increasing specialization of function that leads to the formation of specialized cells, tissues, and organs.
Procedures that avoid use of open, invasive surgery in favor of closed or local surgery. These generally involve use of laparoscopic devices and remote-control manipulation of instruments with indirect observation of the surgical field through an endoscope or similar device.
The five long bones of the METATARSUS, articulating with the TARSAL BONES proximally and the PHALANGES OF TOES distally.
Shiny, flexible bands of fibrous tissue connecting together articular extremities of bones. They are pliant, tough, and inextensile.
The SKELETON of the HEAD including the FACIAL BONES and the bones enclosing the BRAIN.
The non-genetic biological changes of an organism in response to challenges in its ENVIRONMENT.
Recording of the changes in electric potential of muscle by means of surface or needle electrodes.
Surgical insertion of BLOOD VESSEL PROSTHESES, or transplanted BLOOD VESSELS, or other biological material to repair injured or diseased blood vessels.
Thin outer membrane that surrounds a bone. It contains CONNECTIVE TISSUE, CAPILLARIES, nerves, and a number of cell types.
Increase in the longest dimension of a bone to correct anatomical deficiencies, congenital, traumatic, or as a result of disease. The lengthening is not restricted to long bones. The usual surgical methods are internal fixation and distraction.
Neoplasms located in the bone marrow. They are differentiated from neoplasms composed of bone marrow cells, such as MULTIPLE MYELOMA. Most bone marrow neoplasms are metastatic.
Techniques for securing together the edges of a wound, with loops of thread or similar materials (SUTURES).
The seven bones which form the tarsus - namely, CALCANEUS; TALUS; cuboid, navicular, and the internal, middle, and external cuneiforms.
Removal of bone marrow and evaluation of its histologic picture.
Bones that constitute each half of the pelvic girdle in VERTEBRATES, formed by fusion of the ILIUM; ISCHIUM; and PUBIC BONE.
Artificial substitutes for body parts, and materials inserted into tissue for functional, cosmetic, or therapeutic purposes. Prostheses can be functional, as in the case of artificial arms and legs, or cosmetic, as in the case of an artificial eye. Implants, all surgically inserted or grafted into the body, tend to be used therapeutically. IMPLANTS, EXPERIMENTAL is available for those used experimentally.
General or unspecified injuries involving the fingers.
The emergence of a tooth from within its follicle in the ALVEOLAR PROCESS of the MAXILLA or MANDIBLE into the ORAL CAVITY. (Boucher's Clinical Dental Terminology, 4th ed)
An enzyme that catalyzes the conversion of an orthophosphoric monoester and water to an alcohol and orthophosphate. EC 3.1.3.1.
One of a pair of irregularly shaped bones that form the upper jaw. A maxillary bone provides tooth sockets for the superior teeth, forms part of the ORBIT, and contains the MAXILLARY SINUS.
A noninvasive method for assessing BODY COMPOSITION. It is based on the differential absorption of X-RAYS (or GAMMA RAYS) by different tissues such as bone, fat and other soft tissues. The source of (X-ray or gamma-ray) photon beam is generated either from radioisotopes such as GADOLINIUM 153, IODINE 125, or Americanium 241 which emit GAMMA RAYS in the appropriate range; or from an X-ray tube which produces X-RAYS in the desired range. It is primarily used for quantitating BONE MINERAL CONTENT, especially for the diagnosis of OSTEOPOROSIS, and also in measuring BONE MINERALIZATION.
Inflammation of the synovial lining of a tendon sheath. Causes include trauma, tendon stress, bacterial disease (gonorrhea, tuberculosis), rheumatic disease, and gout. Common sites are the hand, wrist, shoulder capsule, hip capsule, hamstring muscles, and Achilles tendon. The tendon sheaths become inflamed and painful, and accumulate fluid. Joint mobility is usually reduced.
A bone morphogenetic protein that is a potent inducer of bone formation. It also functions as a regulator of MESODERM formation during EMBRYONIC DEVELOPMENT.
An unpleasant sensation induced by noxious stimuli which are detected by NERVE ENDINGS of NOCICEPTIVE NEURONS.

Resorbable screws versus pins for optimal transplant fixation (SPOT) in anterior cruciate ligament replacement with autologous hamstring grafts: rationale and design of a randomized, controlled, patient and investigator blinded trial [ISRCTN17384369]. (1/41)

BACKGROUND: Ruptures of the anterior cruciate ligament (ACL) are common injuries to the knee joint. Arthroscopic ACL replacement by autologous tendon grafts has established itself as a standard of care. Data from both experimental and observational studies suggest that surgical reconstruction does not fully restore knee stability. Persisting anterior laxity may lead to recurrent episodes of giving-way and cartilage damage. This might at least in part depend on the method of graft fixation in the bony tunnels. Whereas resorbable screws are easy to handle, pins may better preserve graft tension. The objective of this study is to determine whether pinning of ACL grafts reduces residual anterior laxity six months after surgery as compared to screw fixation. DESIGN/METHODS: SPOT is a randomised, controlled, patient and investigator blinded trial conducted at a single academic institution. Eligible patients are scheduled to arthroscopic ACL repair with triple-stranded hamstring grafts, conducted by a single, experienced surgeon. Intraoperatively, subjects willing to engage in this study will be randomised to transplant tethering with either resorbable screws or resorbable pins. No other changes apply to locally established treatment protocols. Patients and clinical investigators will remain blinded to the assigned fixation method until the six-month follow-up examination. The primary outcome is the side-to-side (repaired to healthy knee) difference in anterior translation as measured by the KT-1000 arthrometer at a defined load (89 N) six months after surgery. A sample size of 54 patients will yield a power of 80% to detect a difference of 1.0 mm +/- standard deviation 1.2 mm at a two-sided alpha of 5% with a t-test for independent samples. Secondary outcomes (generic and disease-specific measures of quality of life, magnetic resonance imaging morphology of transplants and devices) will be handled in an exploratory fashion. CONCLUSION: SPOT aims at showing a reduction in anterior knee laxity after fixing ACL grafts by pins compared to screws.  (+info)

Quantitative evaluation of anterior tibial translation during isokinetic motion in knees with anterior cruciate ligament reconstruction using either patellar or hamstring tendon grafts. (2/41)

We studied 79 patients with unilateral injury to the anterior cruciate ligament (ACL). The patients were randomly allocated to reconstruction with autologous patellar bone-tendon-bone (BTB) grafts (49 knees) or hamstring tendon (ST) grafts (30 knees). We measured anterior tibial translation (ATT) during isokinetic concentric contraction exercise 18-20 months after surgery using a computerized electrogoniometer. In both groups the highest ATT during exercise was observed at a knee flexion of about 20 degrees and was 13.5+/-3.0 mm in the BTB group and 13.9+/-3.4 mm in the ST group. There was no difference in the ATT between the reconstructed and healthy knees. For a range of knee flexion between 30 and 50 degrees the ATT in the ST group was significantly higher on the reconstructed side than on the healthy side. In the BTB group, the mean ATT in the reconstructed group was similar to that on the healthy side at a knee flexion angle between 0 and 90 degrees .  (+info)

Evaluation of tibial bone-tunnel changes with X-ray and computed tomography after ACL reconstruction using a bone-patella tendon-bone autograft. (3/41)

Thirteen patients who underwent anterior cruciate ligament (ACL) reconstruction with bone-patella tendon-bone autografts (BTB) using interference screws were the subjects of this study. We analysed the relationship between bone-tunnel changes and clinical results 2 years after ACL reconstruction. To investigate changes, X-ray images were used to evaluate bone-tunnel enlargement, and computed tomography (CT) was used to evaluate the sclerotic area around the bone tunnel. The KT-2000 was used to measure the discrepancy of tibial anterior displacement between the affected and nonaffected sides (DTAD). There was no correlation between bone-tunnel enlargement and DTAD. On the other hand, in the CT evaluation, there was a significant correlation between the sclerotic area and DTAD. Our results suggest that it is more significant to analyse the area of sclerotic change than bone-tunnel enlargement for clinical evaluation. We cannot evaluate bone-tunnel changes correctly with two-dimensional X-rays and cannot analyse the sclerotic area using X-rays. Therefore, we recommend that CT, with which it is possible to analyse the sclerotic area, be used to evaluate bone-tunnel changes and clinical results.  (+info)

Bone-patellar tendon-bone autografts versus hamstring autografts for reconstruction of anterior cruciate ligament: meta-analysis. (4/41)

OBJECTIVES: To compare bone-patellar tendon-bone autografts with hamstring autografts for reconstruction of the anterior cruciate ligament. DATA SOURCES: Medline, WebSPIRS, Science Citation Index, Current Contents databases, and Cochrane Central Register of Controlled Trials. Review methods All randomised controlled trials reporting one or more outcome related to stability (instrumented measurement of knee laxity, Lachman test, or pivot shift test) and morbidity (anterior knee pain, kneeling test, loss of extension, or graft failure). Study quality was assessed by using a 5 point scale. Random effect models were used to pool the data. Heterogeneity in the effect of treatment was tested on the basis of study quality, randomisation status, and number of tendon strands used. RESULTS: 24 trials of 18 cohorts (1512 patients) met the inclusion criteria. Study quality was poor for nine studies and fair for nine studies. The weighted mean difference of the instrumented measurement of knee laxity was 0.36 (95% confidence interval 0.01 to 0.71; P = 0.04). Relative risk of a positive Lachman test was 1.22 (1.01 to 1.47; P = 0.04), of anterior knee pain 0.57 (0.44 to 0.74; P < 0.0001), of a positive kneeling test 0.26 (0.14 to 0.48; P < 0.0001), and of loss of extension 0.52 (0.34 to 0.80; P = 0.003). Other results were not significant. CONCLUSION: Morbidity was lower for hamstring autografts than for patellar tendon autografts. Evidence that patellar tendon autografts offer better stability was weak. The poor quality of the studies calls into question the robustness of the analyses.  (+info)

The effect of interference screw diameter on soft tissue graft fixation. (5/41)

Tibial fixation of soft-tissue grafts is a weak link in anterior cruciate ligament reconstruction. Previous studies have examined varying interference screw lengths, screw types and tunnel sizes as means to improve graft fixation. We hypothesized that increasing interference screw diameter would significantly increase the maximum load to failure of the graft and decrease the graft's initial slippage. Seventy tibialis anterior and tibialis posterior tendons were divided, looped, trimmed, and sutured to simulate 4-strand hamstring grafts. These grafts were then inserted into composite bone blocks having pre-drilled 8 mm holes and fixed with 8 mm, 9 mm, 10 mm, 11 mm, or 12 mm interference screws. Fourteen grafts were tested for each screw size. The graft was first cyclically loaded from 50 N to 250 N at 0.3 Hz for 100 cycles to measure graft slippage. The graft was then tested to failure at 0.5 mm/sec to determine the maximum load to failure and mode of failure. Graft slippage was not affected by screw diameter. Maximum load to failure increased with increasing screw diameter up to 11 mm; 11 mm screw fixation was 20% stronger than 8 mm screw fixation. In this model, no increase in graft fixation was seen in by increasing interference screw diameter beyond 3 mm of the tunnel diameter.  (+info)

The interaction between the whipstitch sutures of multi-strand ACL grafts and interference screw fixation. (6/41)

In a recent experiment examining the effect of interference screw sizing on the fixation stability of multi-strand anterior cruciate ligament grafts, we noticed a large variation in fixation strengths and attributed it to the suturing of the grafts and its interaction with the screw. We performed an experiment using interference screws for fixation of hamstring grafts within a bone tunnel model to compare how the presence of sutures affected graft fixation. We found that having sutures along the region of the graft that contacts the screw within the bone tunnel can increase graft fixation strength 100%.  (+info)

The effect of graft choice on functional outcome in anterior cruciate ligament reconstruction. (7/41)

A prospective, randomised, 5-year follow-up study was designed to compare the functional results between patellar tendon and hamstring tendon autografts after anterior cruciate ligament reconstruction. Primary reconstruction was performed in 32 patients using the central third of the patellar ligament and in 32 patients using double-looped semitendinosus and gracilis tendons. All reconstructions were performed by a single surgeon, with identical surgical technique and rehabilitation protocol. Of the total 64 patients in the study, 54 (85%) were available for the 5-year follow-up. No statistically significant differences were seen with respect to Lysholm score, International Knee Documentation Committee (IKDC) classification, clinical and KT-2000 arthrometer laxity testing, single-legged hop test and anterior knee pain. Graft rupture occurred in two patients (8%) in the patellar tendon group and in two patients (7%) in the hamstring tendon group; 23 patients (88%) in the patellar tendon group and 23 patients (82%) in the hamstring tendon group returned to their pre-injury activity level. Good subjective outcome and stability can be obtained by using either graft; no statistically significant differences were found in functional outcome between the grafts.  (+info)

Proprioceptive skills and functional outcome after anterior cruciate ligament reconstruction with a bone-tendon-bone graft. (8/41)

Several studies have shown that patients with anterior cruciate ligament (ACL) reconstruction have an improved proprioceptive function compared to subjects with ACL-deficient knees. The measurement of functional scores and proprioception potentially provides clinicians with more information on the status of the ACL-reconstructed knees. To evaluate proprioception in patients following ACL reconstruction with a bone-tendon-bone (BTB) graft, we used the angle reproduction in the sitting, lying and standing positions and the one-leg hop test. Forty-five patients between 19 and 52 years of age were investigated in a 36-month period after the operation. For functional performance measurement, the International Knee Documentation Committee (IKDC) score was used. Very good and good results were seen in 95% of cases. All patients returned to the same activity level as seen before ACL repair. There was a significant difference in the active angle reproduction test between the ACL-reconstructed knees and normal knees in the active sitting position. Tests with passive angle adjustment in the sitting, lying and active standing positions did not show any differences in proprioceptive skills. Good to very good results in the one-leg hop test we found in 95% of patients. After ACL reconstruction, deficiencies in the active angle reproduction test were very small but, nevertheless, were still observed. Overall, the functional and proprioceptive outcomes demonstrate results to recommend the procedure.  (+info)

AbstractObjectiveThe aim of this study is to determine the outcome of anterior cruciate ligament (ACL) reconstruction without foreign material with patellar tendon bone graft in the fixation with bone dowels near the native insertion.Materials and methodsBetween 1998 and 1999, 189 patients were oper
PURPOSE: To compare the results of bone-patellar tendon-bone graft (BPTB), semitendinosus-gracilis graft with preserved insertions (STGPI) and semitendinosus-gracilis-free graft (STGF) in terms of graft failure, objective mechanical stability, functional outcome, and return to sports in elite and recreational sports persons. It was hypothesized that the STGPI graft provided superior outcome as compared to the other two grafts. METHODS: Two hundred and forty-nine elite and recreational players who underwent ACL reconstruction surgery, with BPTB graft (N = 80), STGPI graft (N = 85), and STGF graft (N = 84) with a minimum follow-up of 2 years, were assessed using clinical tests, knee arthrometer (KT 1000™), single-leg hop test, Lysholm knee score, Tegners activity scale, and return to sports ...
PURPOSE: To compare the results of bone-patellar tendon-bone graft (BPTB), semitendinosus-gracilis graft with preserved insertions (STGPI) and semitendinosus-gracilis-free graft (STGF) in terms of graft failure, objective mechanical stability, functional outcome, and return to sports in elite and recreational sports persons. It was hypothesized that the STGPI graft provided superior outcome as compared to the other two grafts. METHODS: Two hundred and forty-nine elite and recreational players who underwent ACL reconstruction surgery, with BPTB graft (N = 80), STGPI graft (N = 85), and STGF graft (N = 84) with a minimum follow-up of 2 years, were assessed using clinical tests, knee arthrometer (KT 1000™), single-leg hop test, Lysholm knee score, Tegners activity scale, and return to sports ...
A bone-tendon-bone drill guide for use is guiding drilling to form a pair of transverse holes through a bone end of a bone-tendon-bone ligament graft to receive a suture or sutures threaded therethrough to form a suture sling or craddle supporting the bone end as the suture are pulled into a tunnel section of a straight that has been formed into a patients bone. The drill guide includes a pair of scissor arms connected at a pivot that are formed to where moving of lower hand engaging portions of the arms together also moves upper ends of the arms together whereacross opposing jaws are maintained. The jaws each include curved surface therealong for engaging a bone end fitted therebetween and each preferably includes spikes that extend from a jaw face for engaging, to hold in place, the bone end as a drill is turned through straight drill guide holes formed through a jaw to form transverse holes through the bone end, with the drill to exit the bone end and pass through openings formed through the other
Functional outcomes similar to those of healthy legs can be achieved following ACL reconstruction with bone-patellar tendon-bone grafting and rehabilitation. The similar functional test results of the operated and healthy subjects prove the effectiveness of the rehabilitation program.
This study investigated whether gene transfer to the tendon-bone insertion site is possible during early tendon-transplant healing using viral vectors. In addition, we evaluated the optimal gene delivery technique for an in vivo adenoviral gene transfer to a tendon-bone insertion site in a bone tunnel. Twenty-six rabbits underwent a bilateral transfer of the flexor digitorum longus tendon into a bone canal in the calcaneus. The animals were divided into two groups. The first group (n=18) received a direct injection of an adenoviral vector carrying the luciferase marker gene into the tendon on the left side, while on the right side the adenoviral vector was first injected into the bone trough and the tendon was later inserted into the trough. The analysis of this experiment showed that over a 4-week period a higher luciferase activity was achieved using the bone trough immersion technique. In the second group (n=8) we therefore used the qualitative marker virus (Ad/-LacZ) with the bone trough ...
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which code(s) are used for an ACL reconstruction,allograft bone-tendon-bone? also if it is an ACL w/autograft is it appropriate to use 29888 w/ 20902?
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Introduction : Several studies have suggested that anterior cruciate ligament reconstruction (ACLR) without wound drainage has no impact on long-term follow-up. Aim: To investigate a prospective patient series as measured by the patient-administered disease-specific questionnaire Knee...
Sizer P, Sawyer S, Brismee J, Jones K*, Bruce J*, Slauterbeck J. The Effect of Microcurrent Stimulation on Postoperative Pain After Patellar Tendon-Bone Anterior Cruciate Ligament Reconstruction. Presented at the American Physical Therapy Association Annual Conference and Exposition, Indianapolis, Indiana; June, 2000.. PURPOSE: The purpose of this study was to determine the effectiveness of microcurrent electrical therapy in providing pain relief to a selected post-operative patient population.. SUBJECTS: Subjects were 19 females and 22 males (mean age of 21.1) who received arthroscopic bone-patellar tendon-bone anterior cruciate ligament (ACL) reconstruction.. METHODS AND MATERIALS: Subjects were randomly assigned to one of two treatment groups (Microcurrent or Placebo Groups) in a double blind experimental design. Using a portable microcurrent device (Alpha-Stim 100 by Electromedical Products International, Inc, Mineral Wells, Texas), the Microcurrent Group received 100 microamperes of ...
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Background: Currently in double-bundle anterior cruciate ligament (ACL) reconstructions, the range of knee flexion angles that surgeons use for anteromedial (AM) and posterolateral (PL) bundle graft fixation spans from 0° to 90° for both bundle grafts. Despite the recent popularity of this procedure, no consensus exists on an optimal set of AM and PL graft fixation angles.. Hypothesis: Graft fixation angles that simulate the native tensioning relationship of the AM and PL bundles will produce kinematic results similar to the intact knee, while graft fixation angles that do not simulate this relationship will under- or overconstrain the knee.. Study design: Controlled laboratory study.. Methods: Twelve cadaveric knees were biomechanically tested in the intact state, ACL-sectioned state, and a randomized order of 7 double-bundle ACL reconstructed states at multiple graft fixation angle combinations. For each test state, data were collected for 88 N anterior tibial loads, 10 N·m valgus torques, ...
TY - JOUR. T1 - Influence of polyethylene terephthalate on the release of growth factors by human endothelial cells. AU - Cenni, Elisabetta. AU - Verri, Elisabetta. AU - Granchi, Donatella. AU - Gamberini, Simonetta. AU - Corradini, Alessandra. AU - Di Leo, Alessandro. AU - Montanaro, Lucio. AU - Pizzoferrato, Arturo. PY - 1999. Y1 - 1999. N2 - The influence of polyethylene terephthalate (PET) on the release of platelet derived growth factor AB (PDGF-AB) and basic fibroblast growth factor (bFGF) by in vitro cultured human endothelial cells was assessed by enzyme immunoassay. No significant differences were observed in the production of PDGF-AB with respect to the negative control cultures. A significant increase was observed in the production of bFGF after 48 and 72 h with respect to the negative control cultures. It can be concluded that PET may induce an increase in the production of basic FGF in endothelial cells.. AB - The influence of polyethylene terephthalate (PET) on the release of ...
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3.3.1] The [patent proprietor] argued in this respect that according to page 11, lines 36-37 of the opposed patent, polyethylene terephthalate on the market had an LTC temperature of 128°C. In order to identify the heating rate applied in the opposed patent, the skilled person therefore simply had to calibrate the DSC measurement and in particular the heating rate with the help of the polyethylene terephthalate resin on the market such that an LTC temperature of 128°C resulted. The heating rate thereby determined was the heating rate applied in the opposed patent. The [patent proprietors] argument logically implies that at the filing date of the opposed patent either only one polyethylene terephthalate resin was available on the market or all polyethylene terephthalate resins available on the market had the same LTC temperature of 128°C. As set out by the [opponent] and as also acknowledged by the [patent proprietor], this was however not the case. Actually, polyethylene terephthalate ...
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A bioimplantable tissue fixation device is provided for use in repairing and replacing torn or damaged connective tissue such as ligaments and tendons. The device includes an elongate body formed of a bioresorbable material including an outer surface, a proximal end, a distal end and a longitudinal axis extending therethrough. The body includes an internal cavity open at the proximal end which terminates proximal to the distal end. The internal cavity is in fluid communication with at least one opening formed in the outer surface of the body. The internal cavity is able to accept a treatment material for delivery external to the outer surface of the body through the at least one opening at the proximal end.
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A medical retrieval device is provided which includes an elongated cylindrical member having a passage extending therein and having a metallic proximal and distal portions. The proximal and distal portions are formed as separate pieces and connected at a junction. The elongated cylindrical member has an area of substantially constant inner and outer diameters extending at least from a portion of the proximal portion closely adjacent to the junction through the junction and to a portion of the distal portion closely adjacent to the junction.
There are several types of treatments for BPH/LUTS, including medication and surgery. Other types of treatments are considered minimally invasive, including…
When Dr. A.W. Mayo Robson performed the first ACL repair back in 1895, I doubt he ever imagined that in the future doctors would use synthetic 3-D polymers
Comments about Mens 2XU Thermal Compression 3/4 Tights Fitted:. I run regularly in all weather. I use a number of brands of running tights. Hands down these have been my least favorite. They are designed as a compression tight but do not offer the support of any of the others I own. I have larger than average leg diameter. I have had knee issues including an acl repair. These do not offer the structure support or tight fitting compression of my other tights. To add to my gripe the stitching has come loose in two spots (outside leg and crotch) yet I have only worn them twice. At this price go for a quality product rather than these. ...
Boston Scientific acquired Xlumena in April, 2015. We believe the acquisition of Xlumena and their minimally-invasive products combined with the Boston Scientific broad product portfolio demonstrates our commitment to advancing the field of interventional EUS therapeutics, said David Pierce, senior vice president and president, Endoscopy, Boston Scientific.
Experimental and numerical analysis of screw fixation in anterior cruciate ligament reconstruction - -This paper reports the results of an experimental and finite element analysis of tibial screw fixation in hamstring ACL reconstruction. The mechanical properties of the bone and tendon graft are obtained from experiments using porcine/calf bones and tendon. The results of the numerical study are compared with those from mechanical testing. Analysis shows that the model may be used to establish the optimum placement of the tunnel in anterior cruciate ligament reconstruction by predicting mechanical parameters such as stress, strain and displacement at regions in the tunnel wall.
View details of top anterior cruciate ligament reconstruction hospitals in Bangalore. Get guidance from medical experts to select best anterior cruciate ligament reconstruction hospital in Bangalore
TY - JOUR. T1 - Anterior cruciate ligament reconstruction. T2 - A literature review of the anatomy, biomechanics, surgical considerations, and clinical outcomes. AU - Beasley, Leslie S.. AU - Weiland, Daniel E.. AU - Vidal, Armando F.. AU - Chhabra, Anikar. AU - Herzka, Andrea S.. AU - Feng, Matthew T.. AU - West, Robin V.. PY - 2005/1. Y1 - 2005/1. N2 - Anterior cruciate ligament (ACL) ruptures are some of the most common knee injuries seen by sports medicine physicians. However, given the complex anatomy and function of the ACL, reconstruction of this ligament is anything but straightforward. The last decade has seen much advancement in ACL reconstruction, with an improved knowledge of the biology and biomechanics of graft incorporation, new choices for graft material and graft fixation devices, and more accelerated rehabilitation protocols. Although there are numerous studies in the literature on ACL reconstruction, there is yet to be a consensus among surgeons on the best graft choice and ...
An anterior cruciate ligament reconstruction is an operation to replace a damaged anterior cruciate ligament with a ligament graft or a synthetic ligament.
All-Inside Versus Inside-Out Meniscal Repair With Concurrent Anterior Cruciate Ligament Reconstruction: A Meta-regression Analysis .
Arthroscopy of the left knee was performed with the anterior cruciate ligament reconstruction. Removal of loose bodies. Medial femoral chondroplasty and
Minimising post-operative donor site morbidity is an important consideration when selecting a graft for surgical reconstruction of the torn anterior cruciate ligament (ACL). One of the most common procedures, the bone-patellar tendon-bone (BPTB) graft involves removal of the central third from the tendon. However, it is unknown whether the mechanical properties of the donor site (patellar tendon) recover. The present study investigated the mechanical properties of the human patellar tendon in 12 males (mean+/-S.D. age: 37+/-14 years) who had undergone surgical reconstruction of the ACL using a BPTB graft between 1 and 10 years before the study (operated knee; OP). The uninjured contralateral knee served as a control (CTRL). Patellar tendon mechanical properties were assessed in vivo combining dynamometry with ultrasound imaging. Patellar tendon stiffness was calculated from the gradient of the tendons force-elongation curve. Tendon stiffness was normalised to the tendons dimensions to obtain ...
Most anterior cruciate ligament (ACL) tears are replaced with a tissue graft. This graft acts as a scaffolding for a new ligament to grow on.
Anterior cruciate ligament (ACL) ruptures are severe sport injuries associated with long absence from sport [ 11 , 20 , 31 ]. The best way to restore
Endosteal fixation of a ligament graft with a bioabsorbable interference screw installed in a retrograde manner in ACL reconstruction. The bioabsorbable interference screw is insert-molded with a length of suture extending from the distal tip of the screw for pulling the interference screw into the joint and into position for retrograde insertion at the top of the tibial tunnel. The interference screw has a cannulation extending partially through the screw from the leading tip. The cannulation is shaped to receive a correspondingly shaped driver. The driver is inserted into the tibial tunnel to engage the screw. By turning the driver, the interference screw is turned into the tibial tunnel in a retrograde manner. Accordingly, interference fixation of the graft near the tibial plateau is provided, thereby eliminating graft abrasion at the tibial plateau tunnel opening.
ACL injury can be in non-contacted area where knee twists foot landing & push-off. Dr. Arora can treat you better for fast pain relief.
I was in Japan skiing with my family in January 2020. It was the second day of the trip when I got injured and ruptured my ACL.. Ive skied every year of my life, basically, so Im a very confident skier. Im not a beginner at all. Ive skied a lot. But I fell and noticed there was a really loud noise in my knee. I knew something was wrong then. I stood up and my whole knee caved in. At that point, I knew I couldnt ski down the mountain myself.. We called mountain rescue and they took me down in a Ski-Doo, which is a type of skimobile. From there, they took me straight to the clinic. Luckily, the resort we were at is quite popular among Australians, so I was able to find a doctor that spoke English. The language barrier wasnt really an issue.. My knee didnt really hurt at that point. It wasnt a painful injury, though my body was in a lot of shock. At the clinic, they put me in a knee brace and sent me home with some painkillers. We then organised an MRI scan.. Originally, my plan had been to ...
Patients had high expectations for returning to their preinjury level of sport at the time of undergoing initial ACLR. Expectations were lower for those who had undergone previous ACLR. Female patients and patients who had undergone previous ACLR were more likely to change their expectations and cea …
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Thomas L. Wickiewicz performs an ACL Reconstruction, central 3rd of patella tendon is used as acl graft. Hospital For Special Surgery
Best orthopaedic surgeon for ACL reconstruction. Knee after acl surgery for best doctor and hospital in India. ACL repair without surgery Medtravels patient care portal
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Return to sport following an anterior cruciate ligament tear. Signs and symptoms of an ACL tear. Surgical options for an ACL tear.
CORONAVIRUS IMPACT ASSESSMENT In accordance with present changing challenging market conditions the report forecasts have been revised.The market situation is constantly being monitored, the latest d...
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Seventeen meta-analyses were identified comparing BPTB versus HT for ACLR. The majority of meta-analyses were published in 2011 (5; 29 %), and North America was the most common continent of publication (6; 35 %). The three most commonly reported outcomes were stability (82 %), complications (76 %), and function (return to sport, IKDC score) (71 %). The median number of satisfactorily reported items in the Users Guide was three out of seven (IQR 2-4). The median number of satisfactorily reported items in PRISMA for the meta-analyses was 20 out of 27 (IQR 19-22).. CONCLUSION ...
At a time when surgeons aim for surgery without scars, robots are their most high-tech tools.The doctor sits in a darkened corner of an operating room about 10 feet from the gurney where his patient
Non-Surgical. Minimally-Invasive. Non-Narcotic: Cooled RF is a non-surgical, minimally-invasive, non-narcotic solution for genicular neurotomy. Because it can be performed in an outpatient setting, patients have the potential to return to an enhanced quality of life much sooner than with surgery - and with a reduced need for narcotics.. Studies show that when Cooled RF is performed on other joints:. ...
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Okay, to what could I possibly be referring? Well, as pleasant as removing a large, bloody, hair-ripping Band-Aid is (comparable to getting your knee drained after an ACL repair - thanks Atlanta Old White for that rugby memory), many people think terminating an employee ranks right up there. Like with a Band-Aid, you can fire someone slowly or quickly. My preference is to not get
The purpose of this study was to conduct an investigation of the lived experiences of asthma and sporting embodiment in non-elite sportspeople of different ages and levels of ability, involved in a range of sports. Despite ...
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What sets us apart is the wide range of the minimally-invasive treatments we use for managing and curing these common conditions. Before committing to the often-prescribed surgical solutions, be sure to explore these innovative options available to you at our clinic.. Treatments and procedures we offer:. ...
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The patellar ligament is often used, since bone plugs on each end of the graft are extracted which helps integrate the graft ... The two most common sources for tissue are the patellar ligament and the hamstrings tendon. ... Once the graft is pulled through the bone tunnels, two screws are placed into the tibial and femoral bone tunnel. Recovery time ... The surgeon will drill a hole forming the tibial bone tunnel and femoral bone tunnel, allowing for the patient's new ACL graft ...
"Biomechanical comparison between BioScrew and titanium alloy interference screws for bone-patellar tendon-bone graft fixation ... The researchers found that bone substitute materials may improve the bone apposition onto titanium. Metal foam Titanium Bone ... In the lab, synthetic nanocrystalline bone grafting material in mice has shown in-growth of vascularized fibrous tissue which ... However, instead of a bone fragment-end reconnecting to bone, the fragment-end connects to an implant surface. In a study on ...
... the bone-patella tendon-bone graft, the semitendinosus and gracilis tendons (quadrupled hamstring tendon), quadriceps tendon, ... The patellar ligament is often used, since bone plugs on each end of the graft are extracted which helps integrate the graft ... "When Would You Use Patellar Tendon Autograft as Your Main Graft Selection?". www.healio.com. Retrieved 2018-11-15. "ACL Injury ... Once the graft is pulled through the bone tunnels, two screws are placed into the tibial and femoral bone tunnel. Recovery time ...
Patellar tendon[edit]. Knees following ACL reconstruction surgery. A patellar tendon graft was used. Discoloration of the left ... Types of grafts[edit]. Grafts are inserted through a tunnel that is drilled through the shin bone (tibia) and thigh bone (femur ... No ideal graft site for ACL reconstruction exists. Surgeons have historically regarded patellar tendon grafts as the "gold ... Evidence suggests that the hamstring tendon graft does as well, or nearly as well, as the patellar ligament graft in the long ...
... a human clinical trial of a porcine bone-patellar tendon-bone graft for reconstructing the anterior cruciate ligament (ACL) of ... Xenograft ligament cartilage, bone, and tendon transplantation.. FDA-Approved ACL Replacement Study 2003 - PRESENT. CE Mark ... 2006, "Pop Goes the Tendon", The New York Times, Play. p32. *^ The American Oprthopaedic Society for Sports Medicine :Cabaud ... The paste graft technique 2-12 year results were published in 2006 revealing 85% of the patients obtained improvement in pain ...
... bone transplantation MeSH E04.555.130.100 - bone-patellar tendon-bone graft MeSH E04.555.200 - diskectomy MeSH E04.555.200.200 ... bone transplantation MeSH E04.936.450.050.100 - bone-patellar tendon-bone graft MeSH E04.936.450.475 - heart transplantation ... bone marrow transplantation MeSH E04.936.225.687.312 - cord blood stem cell transplantation MeSH E04.936.225.687.500 - ... bone lengthening MeSH E04.555.120.380 - ilizarov technique MeSH E04.555.120.690 - osteogenesis, distraction MeSH E04.555.130 - ...
The portion of the patellar tendon is then drawn through these tunnels in the bone and will be affixed to the bone via screws. ... This patellar tendon method of reconstruction was traditionally the gold standard graft for anterior cruciate ligament ... The patellar tendon can be injured in a patellar tendon rupture. Because tendon does not regenerate fully in humans, there is a ... The insertion of the patellar tendon on the tibia is the location of Osgood-Schlatter disease. Patellar reflex Patellar ...
Sufficient graft size could typically be obtained using either a semitendinosus/gracilis tendon double-bundle technique, or a ... Along with patellar ligament and quadriceps femoris, semitendinosus/gracilis (STG) tendon autografts has been used commonly and ... Right hip bone. External surface. The popliteal, posterior tibial, and peroneal arteries. Back of left lower extremity. ... These three tendons form what is known as the pes anserinus, so named because it looks like the foot of a goose. A lower motor ...
... for a graft; however when reconstructing both the FCL and popliteus an Achilles tendon graft from a cadaver is preferred.[33][ ... J Bone Joint Surg. 1991; 73A:30-36 *^ Stäubli H, Birrer S. The popliteus tendon and its fascicles at the popliteal hiatus: ... Reconstruction of the lateral collateral ligament of the knee with patellar tendon allograft: report of a new technique in ... Bones[edit]. The bones that make up the knee are the femur, patella, tibia, and fibula. In the posterolateral corner, the bony ...
... for a graft; however when reconstructing both the FCL and popliteus an Achilles tendon graft from a cadaver is preferred. ... J Bone Joint Surg. 1991; 73A:30-36 Stäubli H, Birrer S. The popliteus tendon and its fascicles at the popliteal hiatus: gross ... Reconstruction of the lateral collateral ligament of the knee with patellar tendon allograft: report of a new technique in ... Anatomic (grafts placed in the exact attachment sites) allograft reconstruction of the FCL and/or popliteus tendon and ...
Holes to accommodate a replacement graft tendon are drilled in the ulna and humerus bones of the elbow. A harvested tendon, ... the patellar tendon, hamstring, toe extensor or a donor tendon (allograft), is then woven in a figure-eight pattern through the ... is a surgical graft procedure where the ulnar collateral ligament in the medial elbow is replaced with either a tendon from ... promotion of healing and simultaneous protection of the reconstructed graft with a hinged elbow brace. 2. The goals of phase 2 ...
Three months later, a scan indicated a broken cuboid bone, leading to a bone graft and reconstructive surgery. Coomes/Buckland ... Coomes underwent an operation on 10 January 2017 to remove the wires in her knee, which were digging into the patellar tendon, ...
... gracilis tendon, sartorius tendon, adductor magnus tendon, medial head of the gastrocnemius muscle, semimembranosus tendon, ... Securing the POL graft is done in full knee extension. The graft is pulled tight and fixed using a bioabsorbable screw. The ... The bones of the knee are the femur, patella, tibia, and fibula. The fibula is on the lateral side of the knee and the patella ... It is rarely injured from a medial knee injury unless there is a concurrent lateral patellar subluxation or dislocation. The ...
Patellar tendon autograft (An autograft is a graft that comes from the patient) Hamstring tendon autograft Quadriceps tendon ... O'Donoghue D (1950). "Surgical treatment of fresh injuries to the major ligaments of the knee". J Bone Joint Surg Am. 32 (A:4 ... patellar tendon, Achilles tendon, semitendinosus, gracilis, or posterior tibialis tendon The goal of reconstruction surgery is ... Nedeff DD, Bach BR (2001). "Arthroscopic anterior cruciate ligament reconstruction using patellar tendon autografts: a ...
Doschak, M. R.; Zernicke, R. F. (March 2005). "Structure, function and adaptation of bone-tendon and bone-ligament complexes". ... Although most sprains can be managed without surgery, severe injuries may require tendon grafting or ligament repair based on ... and fibula Patellar dislocation Fingers and wrists - Wrist sprains commonly occur, especially during a fall on an outstretched ... An equivalent injury to a muscle or tendon is known as a strain. The majority of sprains are mild, causing minor swelling and ...
Bone mass is affected by muscles forces and their loads to the bone structure. The strength and density of the bone is directly ... It has been deduced that high muscle tendon forces delivered in a controlled environment are needed for optimal tendon ... Early, high-force eccentric training can be used to increase muscle strength and volume without damage to the ACL graft, ... This is the reason chronic patellar tendonitis is often called "jumper's knee." A study done by Roald Bahr and colleagues ...
Bone cutter - Bone cyst - Bone density - Bone disease - Bone fracture - Bone fracture healing - Bone grafting - Bone healing - ... Patellar dislocation - Patellar tendon rupture - Pathologic fracture - Patrick's test - Patrick's test - Pauwel's angle - ... Bone metastases - Bone mineral - Bone pathology - Bone remodeling - Bone resorption - Bone tumor - Bone - Bosworth fracture - ... Congenital patellar dislocation - Conradi-Hünermann syndrome - Coopernail's sign - Cortical bone - Cotrel-Dubousset ...
Bone marrow aspirate concentrate (BMAC) has shown some benefits when grafted into the area following microtrauma. However, the ... It is not recommended for use in tendon sheaths or bursae, or in joints with damage to the bone, menisci, or ligaments unless ... "The effects of injection of an iodine counterirritant into the patellar ligaments of ponies: Application to stifle lameness." ... BMAC has also been used for intralesional treatment of tendon and ligament injuries. An older method of bone marrow aspirate ...
The method currently in favor is to place an anchor in the bone at the natural attachment site, with resuture of torn tendon to ... When possible, surgeons make tension-free repairs in which they use grafted tissues rather than stitching to reconnect tendon ... The shoulder is a complex mechanism involving bones, ligaments, joints, muscles, and tendons. ... The amount of stress needed to tear a rotator cuff tendon acutely will depend on the underlying condition of the tendon prior ...
Sesamoid bones are bones embedded in tendons. Since they act to hold the tendon further away from the joint, the angle of the ... Some complex fractures can be treated by the use of bone grafting procedures that replace missing bone portions. ... Bone marrow[edit]. Bone marrow, also known as myeloid tissue in red bone marrow, can be found in almost any bone that holds ... Bone volume[edit]. Bone volume is determined by the rates of bone formation and bone resorption. Recent research has suggested ...
... of a bone plug in the femoral tunnel in rectangular tunnel ACL reconstruction with a bone-patellar tendon-bone graft: a ... Femoral tunnel enlargement Three-dimensional computer model Hamstring tendon graft Bone-patella tendon-bone graft ... Rectangular tunnel double-bundle anterior cruciate ligament reconstruction with bone-patellar tendon-bone graft to mimic ... Anatomically oriented anterior cruciate ligament reconstruction with a bone-patellar tendon-bone graft via rectangular socket ...
... both grafts are an equivalent option for anterior cruciate ligament reconstruction. ... bone-patellar tendon-bone compared with double semitendinosus and gracilis tendon grafts. A prospective, randomized clinical ... assisted reconstruction with use of either autologous bone-patellar tendon-bone or doubled hamstring tendon grafts, in a ... bone-patellar tendon-bone or doubled hamstring tendons) fixed with modern devices affect the two-year minimum clinical and ...
Hamstring Tendon Graft Reconstruction of the ACL. *Iliotibial Band Syndrome. *Knee Anatomy ...
Franke pioneered the use of free bone-patellar tendon-bone graft consisting of one-quarter of the patellar tendon with blocks ... 6. Bone-Patellar Tendon-Bone Grafts. In 1963 Jones published a new surgical technique for the reconstruction of an irreparably ... By the 1990s the technique of using a free bone-patellar tendon-bone graft harvested from the central one-third of the patella ... using the medial one-third of the patellar tendon [23]. The graft, harvested with a patellar bone block, was left attached to ...
Evaluation of efficacy of ACL reconstruction with use of bone patellar tendon auto grafts and hamstring auto grafts: A Meta- ... Evaluation of efficacy of ACL reconstruction with use of bone patellar tendon auto grafts and hamstring auto grafts: A Meta- ... Evaluation of efficacy of ACL reconstruction with use of bone patellar tendon auto grafts and hamstring auto grafts: A Meta- ...
Hamstring and bone patellar tendon bone graft were used in 6 (28.6%) and 15 (71.4%) cases respectively. ... assessment of knee laxity after anterior cruciate ligament reconstruction using bone patellar tendon bone and hamstring graft ... assessment of knee laxity after anterior cruciate ligament reconstruction using bone patellar tendon bone and hamstring graft ... A total of eight cases of laxity (36.36%) were identified - six males (75%) and two females (25%). Hamstring grafts accounted ...
Patellar Autologous Bone Graft and Chondrocyte Implantation: Layered Technique with Collagen Membrane February 10, 2018 ... Proximal Hamstring Tendon Repair: Surgical Technique and Case-Based Literature Review February 10, 2018 ... Meniscus Allograft Transplantation: Emphasis on Graft Preparation and Placement February 10, 2018 ...
When the patellar tendon is grafted, the middle third of the patellar tendon is removed along with a piece of bone at each end ... bone-patellar tendon-bone autograft versus patellar tendon autograft?" is the inclusion criteria that all patients should be ... Studies comparing bone-patellar tendon-bone autografts and hamstring tendon autografts were chosen, being that these are the ... Being that bone-patellar tendon-bone autograft and hamstring tendon autograft procedures are the most commonly used techniques ...
Functional outcomes similar to those of healthy legs can be achieved following ACL reconstruction with bone-patellar tendon- ... bone grafting and rehabilitation. The similar functional test results of the operated and healthy subjects prove the ... outcomes similar to those of healthy legs can be achieved following ACL reconstruction with bone-patellar tendon-bone grafting ... and compare the functional performance and muscle strength of cases of ACL reconstruction using bone-patellar tendon-bone graft ...
Five surgeons were involved using two different surgical techniques: hamstring or bone-patellar tendon-bone (BPTB) grafts. Both ... Outcomes and revision rate after bone-patellar tendon-bone allograft versus autograft anterior cruciate ligament reconstruction ... patellar tendon versus semitendinosus and gracilis tendon graft. Am J Sports Med 2007;35:729-39. doi:10.1177/0363546506298277. ... A 10-year comparison of anterior cruciate ligament reconstructions with hamstring tendon and patellar tendon autograft: a ...
Screw is indicated for graft fixation ... PCL reconstructions with bone-patellar tendon-bone or ... SmartScrew ACL provides ...
Bone-patellar Tendon-bone Grafts. A bone-patellar tendon graft used for fixation of the ANTERIOR CRUCIATE LIGAMENT during ... A joint is where two or more bones come together, like the knee, hip, elbow, or shoulder. Joints can be damaged by many types ... tendons, muscles, ligaments and associated structures (Oxford Medical Diction... ...
Purpose A peroneus longus tendon autograft is used in many orthopaedic procedures and it is biomechanically comparable to a ... hamstring tendon autograft. Despite its potential, there are few studies... ... comparison of bone-patellar tendon-bone grafts with two-strand hamstring grafts. A prospective, randomized study. J Bone Joint ... A 2-year follow-up of rehabilitation after ACL reconstruction using patellar tendon or hamstring tendon grafts: a prospective ...
Achilles tendon, tibialis anterior tendon, bone-patellar tendon-bone, and peroneus longus tendon. These graft materials have ... These grafts are obtained from the same patient. These include bone-patellar tendon-bone and hamstring grafts. Since an ... The graft provides a scaffold on which new tissue grows. There are three main types of grafts:. *Allografts. Allografts are ... The graft material is passed through these tunnels and is fixed in place with the help of fixation devices like screws. The ...
Peroperative patellar fracture after bone-patellar tendon-bone auto ... Bone-Patellar Tendon-Bone Graft / methods*. Female. Fractures, Bone / surgery*. Humans. Joint Instability / complications*. ... Peroperative patellar fracture after bone-patellar tendon-bone autograft harvesting is a rare complication, which can ... Painful patellofemoral instability secondary to peroperative patellar fracture during bone-patellar tendon-bone autograft ...
Patellar tendon bone grafting for patellectomized patients having total knee arthroplasty. Clin Orthop Relat Res. 1991;271:72-8 ... Bone-grafting for severe patellar bone loss during revision knee arthroplasty. J Bone Joint Surg Am. 2001;83:171-6.CrossRef ... It is important to select the optimal exposure, to avoid avulsion of the patellar tendon insertion. Component removal is a ... Ries MD, Cabalo A, Bozic KJ, Anderson M. Porous tantalum patellar augmentation: the importance of residual bone stock. Clin ...
... bone-patellar tendon- bone compared with double semitendinosus and gracilis tendon grafts.. The effect of anterior knee pain on ...
Article 18: Calcium Phosphate Soaking to Improve Healing of ACL Tendon-Bone Graft?. Article 19: An Individualized Approach to ... Article 20: Patellar Tendon Versus Hamstring ACL Autografts: The Value of Meta-Analyses and Systematic Reviews ... The surgical side of ACL rehabilitation is examined through various graft options as well as the emerging trends in surgical ... Article 16: Knees With ACL Reconstruction Often Have Osteoarthritis Regardless of Graft Selection. Article 17: Limited ...
The piece of patellar tendon graft between the two bone plugs becomes the new ACL. ... The most commonly used graft is taken from the middle third of the patellar tendon (the tendon connecting the knee cap to the ... the bone plug on one end of the graft is secured to the tunnel in the femur and the bone plug on the other end of the graft is ... Hamstring tendon grafts taken from the inner thigh to the back of the knee are also used. Occasionally, tendon grafts are taken ...
Shelbourne KD, Gray T. Anterior cruciate ligament reconstruction with autogenous patellar tendon graft followed by accelerated ... Biomechanical analysis of human ligament grafts used in knee-ligament repairs and reconstructions. J Bone Joint Surg Am. 1984 ... a prospective study of hamstring and patellar tendon grafts. Am J Sports Med. 2012 Mar. 40(3):595-605. [Medline]. ... Quality of Life and Clinical Outcome Comparison of Semitendinosus and Gracilis Tendon Versus Patellar Tendon Autografts for ...
Femoral Interference Screw Fixation in ACL Reconstruction Using Bone-Patellar Tendon-Bone Grafts. JBJS Reviews 2020; 8(1): ... correlates tunnel position after anterior cruciate ligament reconstruction using bone-patellar tendon-bone graft. World Journal ... Outcome of Patellar Tendon Versus 4-Strand Hamstring Tendon Autografts for Anterior Cruciate Ligament Reconstruction: A ... Outcomes of revision anterior cruciate ligament reconstruction secondary to reamer-irrigator-aspirator harvested bone grafting ...
ACL Reconstruction or Anterior Cruciate Ligament Reconstruction (Bone-Patellar Tendon-Bone Graft) ...
Comparisons of intraosseous graft healing between the doubled flexor tendon graft and the bone-patellar tendon-bone graft in ... Graft incorporation within the tibial bone tunnel after anterior cruciate ligament reconstruction with bone-patellar tendon- ... Anterior cruciate ligament replacement using patellar tendon. An evaluation of graft revascularization in the dog. J Bone Joint ... Bone-patellar tendon-bone autograft versus allograft in outcomes of anterior cruciate ligament reconstruction: a meta-analysis ...
Understand.com® is excited to announce the release of our updated Torn ACL Reconstruction - Bone-Patellar Tendon-Bone Graft ...
Condition: Anterior Cruciate Ligament Tear Interventions: Procedure: ACL Reconstruction (Bone Patellar Tendon Bone Graft); ... More News: ACL Reconstruction , Bone Graft , Epidemiology , Gastroschisis Repair , Italy Health , Men , Orthopaedics , Study ... Clinical outcomes after ACL reconstruction with free quadriceps tendon autograft versus hamstring tendons autograft. A ... Unsatisfactory long-term results with synthetic grafts for anterior crucial ligament (ACL) reconstruction led knee surgeons to ...
Bone-Patellar Tendon-Bone Graft. The anterior cruciate ligament (ACL) is one of four ligaments that are crucial to the ... Quadriceps Tendon Graft. A guide wire is inserted through the tibia and femur to help accurately drill tunnels. A surgical ... The end of the graft is tied to a loop on the guide wire and the graft is pulled into place. ... The end of the graft is tied to a loop on the guide wire and the graft is pulled into place. ...
This vertical incision is used for harvesting the central third of the patellar tendon with patellar and tibial bone blocks. ... Patellar tendon graft harvesting using horizontal incisions for anterior cruciate ligament reconstruction ARTHROSCOPY Mishra, A ... Bilateral stress fractures of the anterior part of the tibial cortex - A case report JOURNAL OF BONE AND JOINT SURGERY-AMERICAN ... Two grafts were removed: one patient had delayed ligament reconstruction and the other had total knee arthroplasty. The ...
... grafts, and bone-patellar-tendon-bone (BPTB) grafts. In a survey study by members of the Pan Am Clinic Foundation research team ... Three bones form the knee joint: the femur (thigh bone), the patella (kneecap) and the tibia (shin bone). Since the shape of ... Peter MacDonald, hamstring grafts are the most common type of graft used in Canada, whereas BPTB grafts are used more often in ... Once bone tunnels are drilled into the tibia and femur, the graft is inserted into the tunnels and secured on each end with a ...
ACL Reconstruction or Anterior Cruciate Ligament Reconstruction (Bone-Patellar Tendon-Bone Graft) ... Tore bicep tendon and rotator cuff at 54 years of age. At age 55, Dr. Buford repaired. Look up Dr. Buford YouTube. DL R Shldr ...
Arthroscopic Anterior Cruciate Ligament Reconstruction with Patellar Tendon Bone Graft Instruments. 44. Total Knee Replacement ... Skin Graft. UNIT NINE: PERIPHERAL VASCULAR, CARDIOVASCULAR, AND THORACIC SURGERY. 84. Endarterectomy. 85 Artery Bypass Graft. ... Long Bone Rodding for Fracture Fixation. 52. ASIF Universal Femoral Distractor Set. 53. Synthes Retrograde/Antegrade Femoral ... Neurologic Bone Pan Instruments. 101. Neurologic Retractors. 102. Medtronic Midas Rex Electric Drill 103. Rhoton Neurologic ...
  • Baumfeld JA, Diduch DR, Rubino LJ, Hart JA, Miller MD, Barr MS et al (2008) Tunnel widening following anterior cruciate ligament reconstruction using hamstring autograft: a comparison between double cross-pin and suspensory graft fixation. (springer.com)
  • A peroneus longus tendon autograft is used in many orthopaedic procedures and it is biomechanically comparable to a hamstring tendon autograft. (springer.com)
  • Bone-Patellar Tendon-Bone Autograft Versus Hamstring Tendon Autograft? (ispub.com)
  • This paper is a review of two studies comparing hamstring tendon autograft reconstruction with patellar tendon autograft reconstruction for the repair of ACL tendon rupture. (ispub.com)
  • There have been several surgical procedures developed for the repair of this injury including bone-patellar tendon-bone, hamstring tendon, and quadriceps tendon autograft techniques. (ispub.com)
  • Painful patellofemoral instability secondary to peroperative patellar fracture during bone-patellar tendon-bone autograft harvesting for anterior cruciate ligament reconstruction. (biomedsearch.com)
  • Peroperative patellar fracture after bone-patellar tendon-bone autograft harvesting is a rare complication, which can significantly impair the functional outcome of ACL single-bundle reconstruction. (biomedsearch.com)
  • We report the case of a patient presenting with disabling patellofemoral syndrome 3 years after arthroscopic ACL reconstruction by bone-tendon-bone autograft, revealing unnoticed mal-union of a iatrogenic sagittal patellar fracture. (biomedsearch.com)
  • Analysis of return to competition and repeat rupture for 298 anterior cruciate ligament reconstructions with patellar or hamstring tendon autograft in sportspeople. (semanticscholar.org)
  • METHODS The authors followed-up 540 competitive sportspeople who had undergone ACL surgery via patellar or hamstring tendon autograft (HTA) techniques in 2003 and 2004. (semanticscholar.org)
  • Incidence of subsequent injury to either knee within 5 years after anterior cruciate ligament reconstruction with patellar tendon autograft. (semanticscholar.org)
  • When the source of the graft is from the individual having surgery, it is called an autograft. (verywell.com)
  • Most athletes will require reconstructive surgery on the ACL, in which the torn or ruptured ACL is completely removed and replaced with a piece of tendon or ligament tissue from the patient (autograft) or from a donor (allograft). (wikipedia.org)
  • The supremacy of free bone-patellar tendon-bone autograft was briefly challenged in the 1970s and 1980 by proponents of artificial ligaments in the form of Gore-Tex and Proplast. (medscape.com)
  • In addition, after discussing the advantages and drawbacks of the various graft materials available, patients may choose not to use autograft material. (medscape.com)
  • The tendon of the semitendinosus muscle was prelevated, folded and used as an autograft (1). (wikipedia.org)
  • The aim of the study was to evaluate the results of the medial patellofemoral ligament reconstruction with a medial strip of patellar tendon autograft after a minimum 2-year followup. (hindawi.com)
  • This video demonstrates the first part of two for a revision single bundle ACL reconstruction using a transfibular endoscopic technique with a bone-tendon-bone autograft for a 19 year old female athlete. (aaos.org)
  • In choosing the appropriate graft, orthopedic surgeons and patients have the options of using either an autograft or an allograft. (healio.com)
  • The main advantage of autograft - of using your own tissue - is the fact that the healing response is probably a lot better and quicker from the time course then using cadaver grafts," E. Lyle Cain Jr., MD, fellowship director at the American Sports Medicine Institute and founding partner of Andrews Sports Medicine and Orthopedics Center, said. (healio.com)
  • Among autograft choices, the most commonly used include patellar tendon and hamstring tendon, as well as the quadriceps tendon, according to Brett D. Owens, MD, professor in the Department of Orthopedic Surgery at Brown University Alpert Medical School. (healio.com)
  • For] lower-level athletes, weekend warrior and snow skiers, [sometimes] you can use hamstrings or sometimes you can use cadaver graft, whereas in the higher-level athletes, [most] people use patella tendon autograft for their primary choice because of the quicker healing and the tissue properties of the graft itself. (healio.com)
  • Baumfeld JA, Diduch DR, Rubino LJ et al (2008) Tunnel widening following anterior cruciate ligament reconstruction using hamstring autograft: a comparison between double cross-pin and suspensory graft fixation. (springermedizin.de)
  • The transplantation of bone-patellar tendon-bone autograft , quadruple semitendinosus tendon autograft and bone-patellar tendon-bone allograft all can reconstruct and strengthen the stability of knee joint. (unboundmedicine.com)
  • Bone-patellar tendon-bone allograft is better selection for the ACL injury in elder and quadruple semitendinosus tendon autograft is suitable to adolescent patients with disrupted ACL. (unboundmedicine.com)
  • The surgical procedure was identical in all patients and one experienced surgeon operated on all the patients, using the bone-patellar tendon-bone autograft. (nih.gov)
  • Patients in the control arm of the study will undergo Anterior cruciate ligament reconstruction using Autologous bone patellar tendon bone autograft. (clinicaltrials.gov)
  • Although numerous graft sources have been reported, currently, no graft material, autograft or allograft, can meet all these requirements. (thesportjournal.org)
  • There remain advantages and disadvantages to each autograft choice, primarily bone-patellar tendon-bone, quadrupled hamstring, as well as allograft. (bvsalud.org)
  • Most studies show nearly equivalent functional outcomes for autograft anterior cruciate ligament using bone-patellar tendon-bone and hamstring autografts in athletes younger than the age of 25 years, whereas allograft may be preferred for older athletes. (bvsalud.org)
  • The aim of this study was to compare the clinical outcome and donor site morbidity of ACL reconstruction with hamstring tendon autografts versus peroneus longus tendon autografts in patients with an isolated ACL injury. (springer.com)
  • Anterior cruciate ligament reconstruction with peroneus longus autografts produces a functional score (IKDC, modified Cincinnati, Lysholm) comparable to that of hamstring autografts at a 1-year follow-up, with the advantages of larger graft diameter, less thigh hypotrophy and excellent ankle function based on AOFAS and FADI scores. (springer.com)
  • The two studies being reviewed are "Patellar Tendon Versus Hamstring Tendon Autografts for Reconstructing the Anterior Cruciate Ligament" and "Patellar Tendon Versus Hamstring Tendon Autografts for Reconstructing the Anterior Cruciate Ligament: A Meta-Analysis Based on Individual Patient Data. (ispub.com)
  • bone-patellar tendon-bone autografts versus hamstring tendon autografts? (ispub.com)
  • An accessory hamstring or part of the patellar ligament are the most common donor tissues used in autografts. (wikipedia.org)
  • Hamstring autografts are made with the semitendinosus tendon , either alone or accompanied by the gracilis tendon for a stronger graft. (wikipedia.org)
  • In a systematic review of eight overlapping meta-analyses, Randy Mascarenhas, MD, FRCSC, and his colleagues found lower re-rupture rates in autografts among multiple studies compared with allografts, but no significant differences in clinical outcomes between the two grafts. (healio.com)
  • Lower risk of revision with patellar tendon autografts compared with hamstring autografts: a registry study based on 45,998 primary ACL reconstructions in Scandinavia. (nhi.no)
  • Arthroscopic anterior cruciate ligament reconstruction: a metaanalysis comparing patellar tendon and hamstring tendon autografts. (nhi.no)
  • Physicians should use bone-patellar tendon-bone or hamstring-tendon autografts, and should use a single- or double-bundle approach when performing intra-articular ACL reconstruction. (aafp.org)
  • Impact of graft and tunnel orientation on patient-reported outcome in anterior cruciate ligament reconstruction using bone-patellar tendon-bone autografts. (uzh.ch)
  • The purpose of this research study is to investigate whether or not platelet rich plasma (PRP) may help to improve tendon healing and decrease post operative pain in patients undergoing anterior cruciate ligament (ACL) reconstructive surgery using their own patellar tendons as autografts. (clinicaltrials.gov)
  • Patients randomized into the treatment arm of the study will undergo Anterior cruciate ligament reconstruction with Autologous bone patellar tendon bone autografts. (clinicaltrials.gov)
  • A plug of allograft tissue containing bone and cartilage is shaped to fit into the area that is damaged. (beverlyhillsphysicians.com)
  • The use of a tibialis allograft provides a stout graft for reconstruction, while minimizing bone tunnel size. (ovid.com)
  • These most common options include patellar tendon, hamstring tendon, and donor tissue (allograft). (verywell.com)
  • Performing ACL surgery using allograft allows for decreased operative time, no need to remove other tissue to use for the graft, smaller incisions, and less post-operative pain. (verywell.com)
  • Massive bone loss around the knee has been managed historically with a massive tumour implant, an allograft or an allograft/prosthetic composite. (scielo.org.za)
  • The technique of reconstruction used is dependent on the age of the patient, the size and location of the tumour, the histological grade, surgeon preference/familiarity and availabilityof graft material and implants, namely, bulk allograft and custom endoprosthetics. (scielo.org.za)
  • Historically these massive bone defects have been reconstructed by either an endoprosthesis or a bulk allograft and considerable debate around this topic still persists. (scielo.org.za)
  • The other large family of options is on the allograft side, which there are a lot of options, primarily Achilles tendon allograft, patellar tendon allograft and then also hamstring and tibialis tendon allografts," Owens said. (healio.com)
  • Currently, the most commonly utilized tissues for ACL reconstruction are autologous semitendinous/gracilis tendons (ST-G), central one-third patellar tendon (B-PT-B), and allograft patellar tendon. (thesportjournal.org)
  • Allograft B-PT-B has been advocated as an alternative graft source due to the lack of harvest morbidity and decreased operative time required. (thesportjournal.org)
  • Finally, we highlight the most important steps in the evolution of the ACL reconstruction surgery by discussing the various techniques spanning the years using not only autologous grafts (fascia lata, meniscal, hamstring, patella tendon, bone-patella tendon-bone, and double bundle grafts) but also synthetic ones and allografts. (hindawi.com)
  • The most commonly selected grafts include patellar tendon, Achilles tendon, and tibialis allografts. (ovid.com)
  • Bone-patella-bone allografts provide bone to bone fixation options with flexibility in tunnel selection sizing. (ovid.com)
  • Poor experiences with these nontissue substitutes led surgeons to choose other graft materials, including allografts. (medscape.com)
  • Allografts (using bone or tissue from another body, either a cadaver or a live donor). (wikipedia.org)
  • This limited availability is amplified at the PF articulation not only for the lack of donors, but also by the limited number of pristine patellae, unique topology and competition within tissue banks that can use one patella for two or three patellar tendon bon-tendon-bone allografts. (healio.com)
  • 25, 32, 36, 41, 46 However, despite the diminished risk of disease transmission, opponents of allografts cite reports of prolonged graft-tunnel healing and intraarticular reactions to some allografts. (thesportjournal.org)
  • Adequate joint reconstruction will be achieved by balancing ligaments and flexion/extension gaps, managing bone loss, achieving adequate fixation, and choosing the appropriate revision implant/constraint. (springer.com)
  • The thigh and leg bones (femur and tibia, respectively) that contribute to the knee are held together with bands of tissue called ligaments with surrounding capsule and muscles supporting them. (medindia.net)
  • Biomechanics of ligaments and tendons. (springer.com)
  • Amiel D, Frank C, Harwood F, Fronek J, Akeson W. Tendons and ligaments: a morphological and biochemical comparison. (springer.com)
  • Ligaments are tough bands of tissue that connect the ends of bones together. (orthogate.org)
  • The tumour has penetrated into the knee joint by way of direct perforation through the articular surface or via the collateral or cruciate ligaments or as a skip metastasis.The resection entails complete resection of the knee en bloc with the corresponding defect of both the tibia as well as femur. (scielo.org.za)
  • The ACL is part of a complicated network of tendons and ligaments that help support the knee by stabilizing the femur on the tibia and preventing the tibia from sliding and twisting during activity. (hss.edu)
  • The torn ligaments are trimmed and the knee is prepared for the replacement graft of suitable tissue from somewhere else on your body. (circlehealth.co.uk)
  • The knee is made up of four main things: bones, cartilage, ligaments, and tendons. (aaos.org)
  • It includes your bones, joints, ligaments, tendons, muscles and even your nerves: basically all the essential parts of your body for you to move, work and enjoy your life. (ortho.com.sg)
  • These include tibialis posterior tendon, Achilles tendon , tibialis anterior tendon, bone-patellar tendon-bone, and peroneus longus tendon. (medindia.net)
  • Fujioka H, Thakur R, Wang GJ, Mizuno K, Balian G, Hurwitz SR. Comparison of surgically attached and non-attached repair of the rat Achilles tendon-bone interface. (springer.com)
  • Acute achilles tendon rupture. (svenskidrottsmedicin.se)
  • The Achilles tendon is the strongest tendon in the body, linking the heel bone to the calf muscle. (hss.edu)
  • Chronic, long-lasting Achilles tendon disorders can range from overuse injuries to tearing of the tendon. (hss.edu)
  • This study aimed to retrospectively compare the enlargement and migration of the femoral tunnel aperture after anatomic rectangular tunnel anterior cruciate ligament (ACL) reconstruction with a bone-patella tendon-bone (BTB) or hamstring tendon (HT) graft using three-dimensional (3-D) computer models. (springer.com)
  • The transtibial (TT) drilling of the femoral tunnel in the bone-patellar tendon-bone (BPTB) anterior cruciate ligament (ACL) reconstruction was found to place the tunnel non-anatomically. (semanticscholar.org)
  • A new femoral fixation device for anterior cruciate ligament reconstruction using the outside-in technique and hamstring tendon graft: A comparison between two devices in cadaveric human knee models. (semanticscholar.org)
  • She also underwent curettage and cementing of distal femoral lesion with prophylactic distal femoral locked plate fixation (Fig ) and curettage and autologous bone grafting for talar lesion. (ipl.org)
  • The surgeon will drill a hole forming the tibial bone tunnel and femoral bone tunnel, allowing for the patient's new ACL graft to be guided through. (wikipedia.org)
  • Once the graft is pulled through the bone tunnels, two screws are placed into the tibial and femoral bone tunnel. (wikipedia.org)
  • These resections involve significant muscle loss and will often require an arthrodesis or proximal tibial and/or distal femoral prosthetic replacement and associated tendon/muscle transfers to cover the implant and power the joint ( Figure 3 ) . (scielo.org.za)
  • Magnetic resonance imaging (MRI) revealed a lesion of 2 cm 2 in the medial femoral condyle that compromised the subchondral bone, compatible with OCD. (kstudy.com)
  • Aim: To evaluate the incidence of heterotrophic ossifications at the femoral tunnel site and the efficacy of the preventive measures which were undertaken, in patients who had undergone ACL reconstructions with the use of bone patellar tendon bone grafts. (jove.com)
  • After the complex of the prosthesis trial and proximal resection bone block was reset, appropriate traction of the femoral resection block was performed, and the overlapping part between the proximal and distal ends was the amount of the osteotomy. (thefreedictionary.com)
  • Which graft type to choose depends on a variety of factors including the patient's age, medical history, other knee injuries, what activities the patient will return to, duration to return to work or sport, and level of participation. (kelsey-seybold.com)
  • This type of graft is harvested often from the patient's own tissue. (kelsey-seybold.com)
  • By saving the patient's patellar tendon and using an off-the-shelf product, one may have a better chance of preserving the natural biomechanics of the knee. (eurekalert.org)
  • The graft often consists of a section of the patient's own patellar tendon (a large, strong tendon of the quadriceps muscles). (exampleessays.com)
  • Patrick C. McCulloch, MD, from Houston Methodist Hospital said orthopedic surgeons and patients need to discuss the pros and cons of each of the graft choices for ACL reconstruction so as to choose the right graft for the patient's particular situation. (healio.com)
  • Multiple sources are used including the patient's own hamstring tendon or patellar tendon. (hss.edu)
  • The ideal ACL graft should result in minimal or no damage to the patient's tissues after harvest. (thesportjournal.org)
  • [1] The torn ligament is removed from the knee before the graft is inserted in an arthroscopic procedure. (wikipedia.org)
  • Pubmed ID: 23814735 Introduction: Previous studies have enumerated the advantages of an arthroscopic Anterior Cruciate Ligament (ACL) reconstruction with the use of a Bone Patellar Tendon Bone (BPTB) graft. (jove.com)
  • Material and Methods: A total of 285 patients who had ACL tears within a duration of six years, were evaluated prospectively for the incidence of heterotrophic ossifications after they underwent arthroscopic reconstructions with the use of bone patellar tendon bone grafts by the double incision technique. (jove.com)
  • Significant advances in surgical reconstruction of the anterior cruciate ligament (ACL) have been made since Jones' described open reconstruction with the central one-third patellar tendon in 1963.29 Advancements in technology, arthroscopic instrumentation, and surgical skills have decreased surgical morbidity while improving functional outcome. (thesportjournal.org)
  • This eliminates the need to repair the pouch or tendon before proceeding with the arthroscopic portion of the procedure. (thesportjournal.org)
  • A tissue called a graft is introduced into the knee during the surgery. (medindia.net)
  • The graft provides a scaffold on which new tissue grows. (medindia.net)
  • Articular cartilage is a firm rubbery tissue that covers the ends of bones. (beverlyhillsphysicians.com)
  • The present invention is based on the discovery of new methods for obtaining a tissue graft. (google.com)
  • b) removing the tissue graft from the mammal. (google.com)
  • 9. A method of treating a mammal that has a tissue defect, the method comprising implanting the tissue graft of claim 8 into the mammal at the site of the tissue defect. (google.com)
  • 10. The method of claim 9 , wherein the mammal that has the tissue defect and the mammal from which the tissue graft is obtained are the same mammal or the same type of mammal. (google.com)
  • 12. The method of claim 9 , wherein implanting the tissue graft comprises suturing, pinning, tacking, or stapling the tissue graft into the mammal at the site of the tissue defect. (google.com)
  • 13. The method of claim 9 , wherein the target tissue is a tendon, ligament, cartilage, or bone. (google.com)
  • T1- and T2*-Mapping for Assessment of Tendon Tissue Biophysical Properties: A Phantom MRI Study. (nih.gov)
  • His work is described in the paper "A biodegradable tri-component graft for anterior cruciate ligament reconstruction," which was published in the Nov. 21 issue of the Journal of Tissue Engineering and Regenerative Medicine . (eurekalert.org)
  • By studying an animal model, Ameer and his team noticed that the animal's natural bone and tissue cells migrated into the pores of the artificial ligament, populating it throughout and integrating with the bone tunnels. (eurekalert.org)
  • The ACL graft is the type of tissue used to make a new ligament . (verywell.com)
  • A graft is a tissue that is moved from one location to another. (verywell.com)
  • This allows bone-to-bone healing, which is generally faster and stronger than a soft tissue graft. (exampleessays.com)
  • This graft typically results in less pain but longer healing times due to the soft tissue to bone graft. (exampleessays.com)
  • A new graft technique uses a portion of the quadriceps tendon,and has bone at one end and soft tissue at the other. (exampleessays.com)
  • If there isn't enough graft tissue available or if the patient is older, donor tissue may be used. (exampleessays.com)
  • If the graft is coming from the patient, the surgeon will take the tissue at this time. (exampleessays.com)
  • Many types of tissue grafts have been tried. (orthogate.org)
  • They often do so faster than people who have their ACL reconstructed with other types of tissue grafts. (orthogate.org)
  • The patellar tendon is a thick and strong band of connective tissue on the front of the knee. (orthogate.org)
  • The two most common sources for tissue are the patellar ligament and the hamstrings tendon. (wikipedia.org)
  • Anterior cruciate ligament reconstruction ( ACL reconstruction ) is a surgical tissue graft replacement of the anterior cruciate ligament , located in the knee , to restore its function after an injury . (wikipedia.org)
  • The tibial bone plug is cut first, and the soft tissue is left attached to the infrapatellar fat pad for stability while cutting the patellar plug. (aaos.org)
  • More specifically, Cain noted patella tendon graft is chosen by many orthopedic surgeons because it has tissue quality similar to the ACL. (healio.com)
  • The patellar tendon graft] already connects two pieces of bone, whereas other soft tissue grafts connect muscle to bone so it is a different tissue type," Cain said. (healio.com)
  • He added, when the patellar tendon is matched with the bone tunnel on the femur and tibia, the bone heals within the bone faster compared with the healing rate of soft tissue. (healio.com)
  • These tendon-resident CD146 + stem/progenitor cells were selectively enriched by connective tissue growth factor delivery (CTGF delivery) in the early phase of tendon healing, followed by tenogenic differentiation in the later phase. (jci.org)
  • Tendon Fascicles held together by loose connective tissue, the endotenon. (powershow.com)
  • Tendons not enclosed w/in a sheath move in a straight line and are surrounded by a loose areolar connective tissue called the paratenon (continuous w/ the tendon). (powershow.com)
  • Parallel arrangement of collagen fibers to the direction of tensile force give tendons one of the highest tensile strengths of any soft tissue in the body. (powershow.com)
  • While this is worrisome, there is already a 30% re-injury rate in young people with ACL tears, so better to rupture a donor graft than their own transferred tissue. (stoneclinic.com)
  • Association between traumatic bone marrow abnormalities of the knee, the trauma mechanism and associated soft-tissue knee injuries. (uzh.ch)
  • The normal, healthy tissue was still much stronger than any of the grafts used. (eorthopod.com)
  • Over time and with enough load, the graft tissue stretched out and failed. (eorthopod.com)
  • Graft tendons are too elastic compared with native MCL tissue. (eorthopod.com)
  • Because the ACL cannot be reattached once it is torn, surgical reconstruction requires the grafting of replacement tissue in its place. (hss.edu)
  • Alm A, Stromberg B. Transposed medial third of patellar ligament in reconstruction of the anterior cruciate ligament. (springer.com)
  • The described MPFL reconstruction with the use of the medial 1/3rd of patella tendon is an effective procedure that gives satisfactorily patellofemoral joint functions, improves the quality of life, and provides much pain relief. (hindawi.com)
  • described a novel technique of medial patellofemoral reconstruction, using a patellar tendon graft [ 4 ]. (hindawi.com)
  • The graft is harvested through an incision along the medial edge of the patellar tendon. (aaos.org)
  • A medial portal is made adjacent to the patellar tendon at the level of the patella. (aaos.org)
  • Biomechanical Analysis of Medial Collateral Ligament Reconstruction Grafts of the Elbow. (eorthopod.com)
  • Three different types of tendon grafts all provide good long-term outcomes in patients undergoing reconstruction of the anterior cruciate ligament (ACL) of the knee , reports a study in the June 5, 2019 issue of The Journal of Bone & Joint Surgery . (wolterskluwer.com)
  • Analysis of the data showed no difference between the four different types of tendon grafts. (eorthopod.com)
  • ACL reconstructions with the patients' own tissues-usually the hamstrings or patella tendon grafts-have not evolved very much. (stoneclinic.com)
  • Compared with patellar tendon grafts, hamstring grafts have donor site morbidity, but Owens noted less knee pain. (healio.com)
  • The cartilage covering the femur and tibia becomes worn and the underlying bone develops spurs and various irregularities which produce pain and loss of knee motion. (beverlyhillsphysicians.com)
  • During ACL reconstruction surgeries, tunnels are drilled into the femur and tibia bones to hold the new ligament in a fixed position. (eurekalert.org)
  • To secure the grafted ligament into the position of the normal ACL, tunnels are made of the shin bone (tibia) and thigh bone (femur), and the graft is passed through these tunnels to reconstruct the ligament. (verywell.com)
  • The patellar tendon is the structure on the front of your knee that connects the kneecap (patella) to the shin bone (tibia). (verywell.com)
  • When a patellar tendon graft is selected, the central 1/3 of the patellar tendon is removed (about 9 or 10 mm) along with a block of bone at the sites of attachment on the kneecap and tibia. (verywell.com)
  • The main goal of ACL surgery is to keep the tibia from moving too far forward under the femur bone and to get the knee functioning normally again. (orthogate.org)
  • As the knee rotates inward additional strain is placed on the ACL, since the femur and tibia, which are the two bones that articulate together forming the knee joint, move in opposite directions causing the ACL to tear. (wikipedia.org)
  • Grafts are inserted through a tunnel that is drilled through the shin bone (tibia) and thigh bone (femur). (wikipedia.org)
  • The braided segment is threaded through the heads of the tibia and femur , and its ends are fixed with screws on the opposite sides of the two bones. (wikipedia.org)
  • It extends from the lower leg bone (tibia) to the thigh bone (femur) at the knee. (washington.edu)
  • This ligament provides knee stability by preventing excessive forward movement of the tibia in relation to the femur and is also important in controlling rotation of the two bones. (washington.edu)
  • The method provides for the drilling bone tunnels in a femur and a tibia. (google.com.au)
  • The bone structure of the knee joint is formed by the femur, the tibia, and the patella. (aaos.org)
  • There is a risk of patellar fracture or patellar tendon tear following this surgery. (verywell.com)
  • Previous studies have shown this method requires smaller drill holes, is much stronger, and has less risk of causing fracture of the bone between the drill holes. (eorthopod.com)
  • Biswal UK, Balaji G, Nema S, Poduval M, Menon J, Patro DK (2016) Correlation of tunnel widening and tunnel positioning with short-term functional outcomes in single-bundle anterior cruciate ligament reconstruction using patellar tendon versus hamstring graft: a prospective study. (springer.com)
  • When the surgeon implants the new graft, the bony plugs on each end of the graft fit inside a tunnel of bone. (orthogate.org)
  • The graft is then pulled through the tunnel and fixated with screws. (wikipedia.org)
  • Pro-inflammatory cytokines play a pivotal role in osteoarthritis, as well as in bone tunnel widening after ACL reconstructive surgery. (springermedizin.de)
  • Bone tunnel width was measured by CT scans, while clinical efficacy was assessed by patient-administered outcome instruments (WOMAC, IKDC 2000) up to 1 year following the ACL reconstruction in patients receiving either ACS (Group A) or placebo (Group B). We compared the levels and dynamics of IL-1β concentrations in the synovial liquid and examined the correlation between the levels of IL-1β at three different postoperative points. (springermedizin.de)
  • The intraarticular administration/injection of ACS results in decreased bone tunnel widening after ACL reconstructive surgery. (springermedizin.de)
  • At least one end of the graft is secured in a bone tunnel using the biodegradable composite screw. (google.com.au)
  • No bone tunnel enlargement in patients with open growth plates after transphyseal ACL reconstruction. (ebscohost.com)
  • Bone tunnel enlargement after ACL reconstruction has been described extensively in adults. (ebscohost.com)
  • In the docking technique, the graft is held in place by threading it through a tunnel drilled in the bone. (eorthopod.com)
  • 1, 35, 43-45, 51 Moreover, due to technical factors such as tunnel angle and graft length, many B-PT-B grafts cannot be secured at the joint level, resulting in non-anatomic graft fixation. (thesportjournal.org)
  • Although Austrian surgeon Arnold Wittek had already used intra-articular screws for the fixation of an ACL graft in 1927, such efforts remained an exception (Wittek 1927) In 1966 BrOckner, suggested using a slightly oversized triangular bone block attached to the inferior part of a free patellar tendon graft which he press-fitted into the tibial tunnel thereby creating the first suture free fixation (BrOckner 1966, Pietsch et al 1969). (thefreedictionary.com)
  • Asagumo H, Kimura M, Kobayashi Y, Taki M, Takagishi K (2007) Anatomic reconstruction of the anterior cruciate ligament using double-bundle hamstring tendons: surgical techniques, clinical outcomes, and complications. (springer.com)
  • We believe that, with use of accurate and proven surgical and rehabilitation techniques, both grafts are an equivalent option for anterior cruciate ligament reconstruction. (nih.gov)
  • Despite proper patient selection, graft choice, surgical technique, and postoperative rehabilitation, there are still other factors still not completely understood that play a role in a successful patient outcome. (springer.com)
  • He has done extensive research on knee ligament tears, explored new techniques for shoulder stabilization and tendon repair, and he utilizes state-of-the-art surgical procedures to enhance rehabilitation and recovery after surgery. (stanford.edu)
  • This surgical procedure removes the damaged ACL and replaces it with a graft. (exampleessays.com)
  • Prior to 1970 primary bone sarcomas had a less than 25% five-year survival and the primary surgical treatment was amputation. (scielo.org.za)
  • Traumatic patellar tendon rupture: early mobilisaton following surgical repair. (royalfree.nhs.uk)
  • The field of art to which this invention relates is surgical procedures for the repair of an anterior cruciate ligament, more specifically, a surgical procedure for affixing an anterior cruciate ligament graft into a bone using a biodegradable interference screw. (google.com.au)
  • Treatment depends on the nature of the injury, and most people who have injuries related to overuse of the tendon undergo non-surgical treatment, which begins with rest and modification of activities. (hss.edu)
  • In an effort to minimize post-surgical anterior knee pain after ACL reconstruction, the use of semitendinosus/gracilis tendons has been reported. (thesportjournal.org)
  • When the graft is harvested as the initial portion of the surgical procedure, the central portion is obtained without violation of the suprapatellar pouch or transection of the quadriceps tendon. (thesportjournal.org)
  • surgical procedure in which a bone graft is placed adjacent to a joint to limit motion of the joint mechanically or to improve the stability of the joint, for example, at the ankle joint to correct foot-drop by preventing plantarflexion past 0°, but allowing dorsiflexion beyond 0°, for example, at the glenohumeral joint to prevent posterior instability. (thefreedictionary.com)
  • A surgical procedure in which the bone next to the joint is modified to limit the motion of the joint. (thefreedictionary.com)
  • Most common is the bone-patellar tendon-bone (BPTB) graft, in which the surgeon removes part of the patellar tendon to replace the damaged ACL. (eurekalert.org)
  • This systematic review examined the methodological credibility and quality of reporting of all meta-analyses which have compared bone-patellar tendon-bone (BPTB) versus hamstring tendon (HT) for anterior cruciate ligament (ACL) reconstruction (ACLR). (mcmaster.ca)
  • Specifically, ACL reconstruction using Bone Patellar Tendon Bone (BPTB) harvest and the role of PRP in decreasing postoperative pain at the donor site. (clinicaltrials.gov)
  • An independent observer, who was blinded with regard to the involved leg and the type of graft, performed the outcome assessment with use of a visual analog scale, the new International Knee Documentation Committee form, the Knee Injury and Osteoarthritis Outcome Score, the Functional Knee Score for Anterior Knee Pain, and an arthrometric and an isokinetic dynamometric evaluation. (nih.gov)
  • This type of graft is harvested from a donor. (kelsey-seybold.com)
  • In this study, we aimed to evaluate and compare the functional performance and muscle strength of cases of ACL reconstruction using bone-patellar tendon-bone graft followed by rehabilitation with those of healthy subjects. (nih.gov)
  • Functional outcomes similar to those of healthy legs can be achieved following ACL reconstruction with bone-patellar tendon-bone grafting and rehabilitation. (nih.gov)
  • Graft fixation is one factor that has an important role in determining rehabilitation progression and ultimate return to sports. (kelsey-seybold.com)
  • Patients with patellar tendon graft also have reported a little bit more difficulty early on in rehabilitation compared with cadaver grafts, according to Cain. (healio.com)
  • A break of the kneecap can occur during or after surgery but only if your surgeon uses a patella tendon graft - 1% risk. (circlehealth.co.uk)
  • The CQT consists of a central portion of the quadriceps tendon approximately 10-11mm wide. (thesportjournal.org)
  • Patellar osteotomy corrected this painful iatrogenic patellar instability. (biomedsearch.com)
  • Since April 2008 till 2012, nineteen patients with unilateral, posttraumatic, chronic, and lateral patellofemoral joint instability had been treated at our Department with MPFL reconstruction, using an autologous patellar tendon graft. (hindawi.com)
  • Four new evidence levels of A were determined, one for the hip (gluteal tendons tears), one for the knee (meniscal cysts), one for the ankle (ankle joint instability), and one for the foot (plantar plate tear). (deepdyve.com)
  • the goal is preservation of bone stock and prevention of iatrogenic fractures. (springer.com)
  • Of these, 20 patients underwent ACL reconstruction with a BTB graft (BTBR group), and the remaining 12 with an HT graft (HTR group). (springer.com)
  • One hundred and twenty patients with a chronic unilateral rupture of the anterior cruciate ligament underwent arthroscopically assisted reconstruction with use of either autologous bone-patellar tendon-bone or doubled hamstring tendon grafts, in a strictly alternating manner. (nih.gov)
  • Patellar tendon bone grafting for patellectomized patients having total knee arthroplasty. (springer.com)
  • Patients have multiple graft choices in ACL reconstruction. (kelsey-seybold.com)
  • The invention also features grafts generated by the methods described herein and methods for using those grafts to treat patients who have a defect in a target. (google.com)
  • The most common question patients face is: which type of ACL graft should they choose? (verywell.com)
  • The findings suggest that using a patellar tendon may offer an advantage in reducing the risk of repeat ACL injury in younger, more active patients. (wolterskluwer.com)
  • Today patients with non-metastatic primary bone sarcoma have an up to 65% cure rate. (scielo.org.za)
  • The focus of this paper is on the management of bone deficiency in patients with primary bone tumours. (scielo.org.za)
  • Ten patients (10 knees) were operated on by one surgeon, according to the modified technique, described by Camanho, without any bone plug at free graft end. (hindawi.com)
  • According to McCulloch, there have been reports that patients experienced anterior knee pain when a patellar tendon graft was used in ACL reconstruction. (healio.com)
  • We are doing an analysis of failure rates and complications of ACL surgery in general and patients need to be stratified as to what their relative risk are related to graft choice," Cole said. (healio.com)
  • Increased risk of revision with hamstring tendon grafts compared with patellar tendon grafts after anterior cruciate ligament reconstruction: a study of 12,643 patients from the Norwegian Cruciate Ligament Registry, 2004-2012. (nhi.no)
  • This sample will be spun down into 3-5cc of Platelet Rich Plasma which will be added to the patients bone graft chips and placed into the donor site at the end of the case. (clinicaltrials.gov)
  • Materials and methods Between 1998 and 1999, 189 patients were operated with ACL reconstruction with BTB patellar tendon graft. (ovid.com)
  • Conclusion The implant-free fixation of the graft with bone dowels and BTT implantation has good and excellent results after 10 years in more than 80% of the patients. (ovid.com)
  • Each of these grafts has been touted to reliably restore knee stability, thereby enabling many patients to return to pre-injury activity levels. (thesportjournal.org)
  • Additionally, patients may have bruises of the bone beneath the cartilage surface. (aaos.org)
  • The article notes that the patellar tendon was once considered as the "gold standard" of this surgery, but the use of semitendinosus and gracilis tendons in the surgery have increased dramatically since 1996. (ebscohost.com)
  • The objective of this study was to determine in a prospective, randomized clinical trial whether two grafts (bone-patellar tendon-bone or doubled hamstring tendons) fixed with modern devices affect the two-year minimum clinical and radiographic outcomes of anterior cruciate ligament reconstruction. (nih.gov)
  • Results of stability testing, patient satisfaction, knee function scores, and rates of failure have been shown to be similar between these two types of grafts, and there is no statistically significant difference in outcomes, including postoperative pain and knee function scores, between the single- and double-bundle approaches. (aafp.org)
  • While several authors have reported good outcomes with TF chondral lesions, marrow stimulation outcomes for patellar and bipolar (PF) have been less optimal. (healio.com)
  • Given the need for a highly powered study to demonstrate the clinical efficacy of PRP in ACL reconstruction, the investigators have designed a prospective, randomized, level 1, double-blinded study to evaluate the effects of PRP on the specific outcomes of donor site pain and radiographic measures of graft healing and incorporation. (clinicaltrials.gov)
  • Researchers at the Washington University School of Medicine, the Cleveland Clinic and Vanderbilt University Medical Center followed 100 soccer players (55 male, 45 female) after ACLR to find out the rate at which they returned to play, and whether outcomes were effected by gender, the leg which was injured (dominant v. non-dominant), graft choice, and to determine the risk factors for further ACL surgery. (momsteam.com)
  • The Journal of Bone & Joint Surgery. (lww.com)
  • When the hamstring tendons are used in ACL surgery, two of the tendons of these muscles are removed, and 'bundled' together to create a new ACL. (verywell.com)
  • The most common problem following ACL surgery using the patellar tendon is a pain over the front of the knee. (verywell.com)
  • Furthermore, if the graft were to fail, revision surgery could be performed using either the patellar tendon or hamstring grafts. (verywell.com)
  • Radiation is occasionally used post surgery.In 85% of extremity bone sarcomas, limb-sparing surgery is possible. (scielo.org.za)
  • The quadriceps tendon can also be used if the patellar ligament has been harvested for a previous surgery. (wikipedia.org)
  • Unlike the patellar ligament, the hamstring tendon's fixation to the bone can be affected by motion after surgery. (wikipedia.org)
  • Graft choice is a personal decision to be made by both the patient and the surgeon," Patrick C. McCulloch, MD, associate professor in the Department of Orthopedic Surgery at Houston Methodist Hospital, told Orthopedics Today . (healio.com)
  • However, Brian J. Cole, MD, MBA, professor in the Department of Orthopedic Surgery at Midwest Orthopedics at Rush, noted "the incidence of anterior knee pain is not categorically higher in patellar tendon grafts and can occur with any ACL surgery or knee surgery in general. (healio.com)
  • At the end of the surgery, their graft donor site will have bone graft chips placed into the bony defect and the wound will be closed using sutures. (clinicaltrials.gov)
  • Advantages of patellar tendon bone press-fit fixation include anatomical positioning and fast bone-to-bone healing, ease for revision surgery and cost effectiveness. (ovid.com)
  • Surgery to repair the ligament often uses the palmaris longus tendon as a donor graft. (eorthopod.com)
  • After surgery, the majority of tendon healing is usually complete after two months, at which time light strengthening exercises can begin. (hss.edu)
  • During the evolution of ACL reconstruction surgery, numerous graft sources have been described. (thesportjournal.org)
  • Advocates of ST-G (hamstrings) point out that post-operative patellar pain is diminished by virtue of the patellar mechanism not being violated during graft harvest. (thesportjournal.org)
  • The wound is typically smaller than that of a patellar ligament graft, and so causes less post-operative pain. (wikipedia.org)
  • Early active and passive extension training, without any restrictions in extension, immediately after an ACL reconstruction using bone-patellar tendon-bone graft did not increase post-operative knee laxity up to 2 years after the ACL reconstruction. (nih.gov)
  • Purpose To evaluate whether a set of objective discharge criteria, including muscle strength and functional tests, are associated with risk of ACL graft rupture after RTS. (bmj.com)
  • Results Of the 158 athletes, 26 (16.5%) sustained an ACL graft rupture an average of 105 days after RTS. (bmj.com)
  • Conclusions Athletes who did not meet the discharge criteria before returning to professional sport had a four times greater risk of sustaining an ACL graft rupture compared with those who met all six RTS criteria. (bmj.com)
  • In addition, hamstring to quadriceps strength ratio deficits were associated with an increased risk of an ACL graft rupture. (bmj.com)
  • Incidence and risk factors for graft rupture and contralateral rupture after anterior cruciate ligament reconstruction. (semanticscholar.org)
  • Dynamic in vitro analysis of tractile forces of the anterior cruciate ligament (ACL) transplant using patellar and semitendinosus muscle tendon: a cadaver study. (ebscohost.com)
  • In this study, male cadaver elbows were used to compare the results using larger grafts. (eorthopod.com)
  • Risk of tearing the intact anterior cruciate ligament in the contralateral knee and rupturing the anterior cruciate ligament graft during the first 2 years after anterior cruciate ligament reconstruction: a prospective MOON cohort study. (semanticscholar.org)
  • The primary problem with these grafts is the fixation of the graft in the bone tunnels. (verywell.com)
  • Injuries to the distal biceps tendon can be partial or complete ruptures. (hss.edu)
  • Amano H, Toritsuka Y, Uchida R, Mae T, Ohzono K, Shino K (2015) Outcome of anatomical double-bundle ACL reconstruction using hamstring tendons via an outside-in approach. (springer.com)
  • For example, bioabsorbable implants are being used to fix facial bones, offering various advantages over titanium plates by reducing the need for a second operation for their removal. (odtmag.com)
  • The choice of graft for anterior cruciate ligament reconstruction is a matter of debate, with patellar and hamstring tendons being the two most popular autologous graft options. (nih.gov)
  • An encyclopedia entry for "bone-patellar tendon-bone," which refers to an autologous graft used to repair a ruptured anterior cruciate ligament, is presented. (ebscohost.com)
  • After the damaged cartilage is removed, a drill or pick is used to make small holes in the exposed bone. (beverlyhillsphysicians.com)
  • Healthy bone and cartilage is taken from a non-weight bearing section of your femur. (beverlyhillsphysicians.com)
  • New components will be implanted into the knee to replace the worn-out bone and cartilage. (beverlyhillsphysicians.com)
  • Sagarriga H, Visconti C, Kavalkovich K, Wu J, Niyibizi C. Biochemical analysis of collagens at the ligament-bone interface reveals presence of cartilage-specific collagens. (springer.com)
  • The OA status of the knee was assessed using the semiquantitative Whole Organ Magnetic Resonance Imaging Score (WORMS).The score uses magnetic resonance imaging (MRI) sequences to grade 14 independent features: cartilage signal and morphological characteristics, subarticular bone marrow abnormality, subarticular cysts, subarticular bone attrition, and marginal osteophytes evaluated in 15 regions. (clinicaltrials.gov)
  • Tendons in these regions assume a cartilage-like apprearance. (powershow.com)
  • Osteochondritis dissecans (OCD) is a condition that corresponds to an idiopathic focal lesion affecting the subchondral bone with possible compromise of the stability of the adjacent cartilage. (kstudy.com)
  • What are the Types of Grafts available for Reconstruction of Anterior Cruciate Ligament? (medindia.net)
  • Platelet-Rich Plasma Added to the Patellar Tendon Harvest Site During Anterior Cruciate Ligament Reconstruction Enhanced Healing. (ebscohost.com)
  • The OSferion Trapezoids are innovatively shaped and may be used as a bone void filler in bone-patellar tendon-bone harvest sites. (arthrex.com)
  • This article describes the techniques commonly used in the management of intercalary, intra-articular and extra-articular resections with uncontained bone defects. (scielo.org.za)
  • The two tendons are commonly combined and referred to as a four-strand hamstring graft, made by a long piece (about 25 cm) removed from each tendon. (wikipedia.org)
  • The authors concluded there is no added benefit of using a larger graft for MCL repair than the already commonly used palmaris longus tendon. (eorthopod.com)
  • Traumatic patellar dislocation in children: epidemiology, risk factors, the MPFL and treatment outcome. (svenskidrottsmedicin.se)
  • The patella is a flat triangular shaped bone that protects the knee joint and helps muscles move your leg more efficiently. (beverlyhillsphysicians.com)
  • I think I tore it doing a vulcan, and it is mostly because my bones were already bruised so I can't plant my feet for the landing as the impact made the muscles relax to ease the pain of the bones moving. (wakeworld.com)
  • The tendon segments are folded and braided together to form a tendon of quadruple thickness for the graft. (wikipedia.org)
  • A comparison of quadruple semitendinosus and patellar tendon grafts in reconstruction of the anterior cruciate ligament. (nhi.no)
  • Anterior cruciate ligament reconstruction: bone-patellar tendon-bone compared with double semitendinosus and gracilis tendon grafts. (nih.gov)
  • Adam F, Pape D, Schiel K, Steimer O, Kohn D, Rupp S (2004) Biomechanical properties of patellar and hamstring graft tibial fixation techniques in anterior cruciate ligament reconstruction. (springer.com)
  • Hamstring tendon versus patellar tendon anterior cruciate ligament reconstruction using biodegradable interference fit fixation: a prospective matched-group analysis. (semanticscholar.org)
  • Graft choice for anterior cruciate ligament reconstruction has been a great controversy in the sports medicine literature for the last 25 years. (bvsalud.org)
  • The incision to obtain the graft is smaller, and the pain both in the immediate postoperative period and down the road, is thought to be less. (verywell.com)
  • Another option first described in 2004, a minimally invasive technique for harvesting from the back of the knee, is faster, produces a significantly smaller wound, avoids the complications of graft harvesting from the anterior incision, and decreases the risk of nerve injury. (wikipedia.org)
  • Bone defects in revision total knee arthroplasty and management. (springer.com)
  • Divano S, Cavagnaro L, Zanirato A, Basso M, Felli L, Formica M. Porous metal cones: gold standard for massive bone loss in complex revision knee arthroplasty? (springer.com)
  • Bone-grafting for severe patellar bone loss during revision knee arthroplasty. (springer.com)
  • 2014) ACL grafts and revision rates. (ntnu.edu)
  • Despite its potential, there are few studies that have evaluated the use of the peroneus longus tendon in ACL reconstruction. (springer.com)
  • The peroneus longus graft diameter (8.8 ± 0.7 mm) was significantly larger than the hamstring diameter (8.2 ± 0.8 mm) ( p = 0.012). (springer.com)