The main artery of the thigh, a continuation of the external iliac artery.
The vessels carrying blood away from the heart.
The direct continuation of the brachial trunk, originating at the bifurcation of the brachial artery opposite the neck of the radius. Its branches may be divided into three groups corresponding to the three regions in which the vessel is situated, the forearm, wrist, and hand.
Either of the two principal arteries on both sides of the neck that supply blood to the head and neck; each divides into two branches, the internal carotid artery and the external carotid artery.
The short wide vessel arising from the conus arteriosus of the right ventricle and conveying unaerated blood to the lungs.
Pathological processes which result in the partial or complete obstruction of ARTERIES. They are characterized by greatly reduced or absence of blood flow through these vessels. They are also known as arterial insufficiency.
Either of two large arteries originating from the abdominal aorta; they supply blood to the pelvis, abdominal wall and legs.
A major nerve of the upper extremity. In humans the fibers of the radial nerve originate in the lower cervical and upper thoracic spinal cord (usually C5 to T1), travel via the posterior cord of the brachial plexus, and supply motor innervation to extensor muscles of the arm and cutaneous sensory fibers to extensor regions of the arm and hand.
A branch of the abdominal aorta which supplies the kidneys, adrenal glands and ureters.
The arterial blood vessels supplying the CEREBRUM.
Arteries which arise from the abdominal aorta and distribute to most of the intestines.
The artery formed by the union of the right and left vertebral arteries; it runs from the lower to the upper border of the pons, where it bifurcates into the two posterior cerebral arteries.
Insertion of a catheter into a peripheral artery, vein, or airway for diagnostic or therapeutic purposes.
The continuation of the femoral artery coursing through the popliteal fossa; it divides into the anterior and posterior tibial arteries.
The flow of BLOOD through or around an organ or region of the body.
A hypoperfusion of the BLOOD through an organ or tissue caused by a PATHOLOGIC CONSTRICTION or obstruction of its BLOOD VESSELS, or an absence of BLOOD CIRCULATION.
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 continuation of the axillary artery; it branches into the radial and ulnar arteries.
Radiography of blood vessels after injection of a contrast medium.
Arteries originating from the subclavian or axillary arteries and distributing to the anterior thoracic wall, mediastinal structures, diaphragm, pectoral muscles and mammary gland.
The first branch of the SUBCLAVIAN ARTERY with distribution to muscles of the NECK; VERTEBRAE; SPINAL CORD; CEREBELLUM; and interior of the CEREBRUM.
Not an aneurysm but a well-defined collection of blood and CONNECTIVE TISSUE outside the wall of a blood vessel or the heart. It is the containment of a ruptured blood vessel or heart, such as sealing a rupture of the left ventricle. False aneurysm is formed by organized THROMBUS and HEMATOMA in surrounding tissue.
Either of two extremities of four-footed non-primate land animals. It usually consists of a FEMUR; TIBIA; and FIBULA; tarsals; METATARSALS; and TOES. (From Storer et al., General Zoology, 6th ed, p73)
The degree to which BLOOD VESSELS are not blocked or obstructed.
Techniques for controlling bleeding.
Use of a balloon catheter for dilation of an occluded artery. It is used in treatment of arterial occlusive diseases, including renal artery stenosis and arterial occlusions in the leg. For the specific technique of BALLOON DILATION in coronary arteries, ANGIOPLASTY, BALLOON, CORONARY is available.
Artery arising from the brachiocephalic trunk on the right side and from the arch of the aorta on the left side. It distributes to the neck, thoracic wall, spinal cord, brain, meninges, and upper limb.
The two principal arteries supplying the structures of the head and neck. They ascend in the neck, one on each side, and at the level of the upper border of the thyroid cartilage, each divides into two branches, the external (CAROTID ARTERY, EXTERNAL) and internal (CAROTID ARTERY, INTERNAL) carotid arteries.
The condition of an anatomical structure's being constricted beyond normal dimensions.
Application of a ligature to tie a vessel or strangulate a part.
A mixture of metallic elements or compounds with other metallic or metalloid elements in varying proportions.
The nonstriated involuntary muscle tissue of blood vessels.
Pathological conditions involving the CAROTID ARTERIES, including the common, internal, and external carotid arteries. ATHEROSCLEROSIS and TRAUMA are relatively frequent causes of carotid artery pathology.
Branch of the common carotid artery which supplies the anterior part of the brain, the eye and its appendages, the forehead and nose.
Disease involving the RADIAL NERVE. Clinical features include weakness of elbow extension, elbow flexion, supination of the forearm, wrist and finger extension, and thumb abduction. Sensation may be impaired over regions of the dorsal forearm. Common sites of compression or traumatic injury include the AXILLA and radial groove of the HUMERUS.
The physiological widening of BLOOD VESSELS by relaxing the underlying VASCULAR SMOOTH MUSCLE.
The physiological narrowing of BLOOD VESSELS by contraction of the VASCULAR SMOOTH MUSCLE.
The veins and arteries of the HEART.
Elements of limited time intervals, contributing to particular results or situations.
The inferior part of the lower extremity between the KNEE and the ANKLE.
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.
Devices that provide support for tubular structures that are being anastomosed or for body cavities during skin grafting.
Pathological outpouching or sac-like dilatation in the wall of any blood vessel (ARTERIES or VEINS) or the heart (HEART ANEURYSM). It indicates a thin and weakened area in the wall which may later rupture. Aneurysms are classified by location, etiology, or other characteristics.
A branch of the celiac artery that distributes to the stomach, pancreas, duodenum, liver, gallbladder, and greater omentum.
The largest branch of the celiac trunk with distribution to the spleen, pancreas, stomach and greater omentum.
The vein accompanying the femoral artery in the same sheath; it is a continuation of the popliteal vein and becomes the external iliac vein.
A procedure to surgically correct REFRACTIVE ERRORS by cutting radial slits into the CORNEA to change its refractive properties.
Single pavement layer of cells which line the luminal surface of the entire vascular system and regulate the transport of macromolecules and blood components.
The larger of the two terminal branches of the brachial artery, beginning about one centimeter distal to the bend of the elbow. Like the RADIAL ARTERY, its branches may be divided into three groups corresponding to their locations in the forearm, wrist, and hand.
Drugs used to cause dilation of the blood vessels.
Surgical insertion of BLOOD VESSEL PROSTHESES to repair injured or diseased blood vessels.
Ultrasonography applying the Doppler effect combined with real-time imaging. The real-time image is created by rapid movement of the ultrasound beam. A powerful advantage of this technique is the ability to estimate the velocity of flow from the Doppler shift frequency.
Device constructed of either synthetic or biological material that is used for the repair of injured or diseased blood vessels.
The domestic dog, Canis familiaris, comprising about 400 breeds, of the carnivore family CANIDAE. They are worldwide in distribution and live in association with people. (Walker's Mammals of the World, 5th ed, p1065)
The arterial trunk that arises from the abdominal aorta and after a short course divides into the left gastric, common hepatic and splenic arteries.
Lack of perfusion in the EXTREMITIES resulting from atherosclerosis. It is characterized by INTERMITTENT CLAUDICATION, and an ANKLE BRACHIAL INDEX of 0.9 or less.
Artery originating from the internal carotid artery and distributing to the eye, orbit and adjacent facial structures.
The innermost layer of an artery or vein, made up of one layer of endothelial cells and supported by an internal elastic lamina.
A large vessel supplying the whole length of the small intestine except the superior part of the duodenum. It also supplies the cecum and the ascending part of the colon and about half the transverse part of the colon. It arises from the anterior surface of the aorta below the celiac artery at the level of the first lumbar vertebra.
Arteries originating from the subclavian or axillary arteries and distributing to the anterior thoracic wall, mediastinal structures, diaphragm, pectoral muscles, mammary gland and the axillary aspect of the chest wall.
Maintenance of blood flow to an organ despite obstruction of a principal vessel. Blood flow is maintained through small vessels.
Delivery of drugs into an artery.
Use or insertion of a tubular device into a duct, blood vessel, hollow organ, or body cavity for injecting or withdrawing fluids for diagnostic or therapeutic purposes. It differs from INTUBATION in that the tube here is used to restore or maintain patency in obstructions.
Reconstruction or repair of a blood vessel, which includes the widening of a pathological narrowing of an artery or vein by the removal of atheromatous plaque material and/or the endothelial lining as well, or by dilatation (BALLOON ANGIOPLASTY) to compress an ATHEROMA. Except for ENDARTERECTOMY, usually these procedures are performed via catheterization as minimally invasive ENDOVASCULAR PROCEDURES.
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.
Incision of tissues for injection of medication or for other diagnostic or therapeutic procedures. Punctures of the skin, for example may be used for diagnostic drainage; of blood vessels for diagnostic imaging procedures.
The largest of the cerebral arteries. It trifurcates into temporal, frontal, and parietal branches supplying blood to most of the parenchyma of these lobes in the CEREBRAL CORTEX. These are the areas involved in motor, sensory, and speech activities.
A symptom complex characterized by pain and weakness in SKELETAL MUSCLE group associated with exercise, such as leg pain and weakness brought on by walking. Such muscle limpness disappears after a brief rest and is often relates to arterial STENOSIS; muscle ISCHEMIA; and accumulation of LACTATE.
Homopolymer of tetrafluoroethylene. Nonflammable, tough, inert plastic tubing or sheeting; used to line vessels, insulate, protect or lubricate apparatus; also as filter, coating for surgical implants or as prosthetic material. Synonyms: Fluoroflex; Fluoroplast; Ftoroplast; Halon; Polyfene; PTFE; Tetron.
Specialized arterial vessels in the umbilical cord. They carry waste and deoxygenated blood from the FETUS to the mother via the PLACENTA. In humans, there are usually two umbilical arteries but sometimes one.
Surgical excision, performed under general anesthesia, of the atheromatous tunica intima of an artery. When reconstruction of an artery is performed as an endovascular procedure through a catheter, it is called ATHERECTOMY.
Narrowing or occlusion of the RENAL ARTERY or arteries. It is due usually to ATHEROSCLEROSIS; FIBROMUSCULAR DYSPLASIA; THROMBOSIS; EMBOLISM, or external pressure. The reduced renal perfusion can lead to renovascular hypertension (HYPERTENSION, RENOVASCULAR).
Thickening and loss of elasticity of the walls of ARTERIES of all sizes. There are many forms classified by the types of lesions and arteries involved, such as ATHEROSCLEROSIS with fatty lesions in the ARTERIAL INTIMA of medium and large muscular arteries.
Radiography of the vascular system of the heart muscle after injection of a contrast medium.
The continuation of the subclavian artery; it distributes over the upper limb, axilla, chest and shoulder.
Procedures in which placement of CARDIAC CATHETERS is performed for therapeutic or diagnostic procedures.
Arteries arising from the external carotid or the maxillary artery and distributing to the temporal region.
Endovascular procedure in which atheromatous plaque is excised by a cutting or rotating catheter. It differs from balloon and laser angioplasty procedures which enlarge vessels by dilation but frequently do not remove much plaque. If the plaque is removed by surgical excision under general anesthesia rather than by an endovascular procedure through a catheter, it is called ENDARTERECTOMY.
Left bronchial arteries arise from the thoracic aorta, the right from the first aortic intercostal or the upper left bronchial artery; they supply the bronchi and the lower trachea.
Naturally occurring or experimentally induced animal diseases with pathological processes sufficiently similar to those of human diseases. They are used as study models for human diseases.
The vein which drains the foot and leg.
The movement and the forces involved in the movement of the blood through the CARDIOVASCULAR SYSTEM.
Drugs used to cause constriction of the blood vessels.
The aorta from the DIAPHRAGM to the bifurcation into the right and left common iliac arteries.
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.
Tomography using x-ray transmission and a computer algorithm to reconstruct the image.
A process leading to shortening and/or development of tension in muscle tissue. Muscle contraction occurs by a sliding filament mechanism whereby actin filaments slide inward among the myosin filaments.
Ultrasonography applying the Doppler effect, with frequency-shifted ultrasound reflections produced by moving targets (usually red blood cells) in the bloodstream along the ultrasound axis in direct proportion to the velocity of movement of the targets, to determine both direction and velocity of blood flow. (Stedman, 25th ed)
Pathological processes involving any one of the BLOOD VESSELS in the vasculature outside the HEART.
Operative procedures for the treatment of vascular disorders.
A branch arising from the internal iliac artery in females, that supplies blood to the uterus.
Damages to the CAROTID ARTERIES caused either by blunt force or penetrating trauma, such as CRANIOCEREBRAL TRAUMA; THORACIC INJURIES; and NECK INJURIES. Damaged carotid arteries can lead to CAROTID ARTERY THROMBOSIS; CAROTID-CAVERNOUS SINUS FISTULA; pseudoaneurysm formation; and INTERNAL CAROTID ARTERY DISSECTION. (From Am J Forensic Med Pathol 1997, 18:251; J Trauma 1994, 37:473)
Non-invasive method of vascular imaging and determination of internal anatomy without injection of contrast media or radiation exposure. The technique is used especially in CEREBRAL ANGIOGRAPHY as well as for studies of other vascular structures.
A free radical gas produced endogenously by a variety of mammalian cells, synthesized from ARGININE by NITRIC OXIDE SYNTHASE. Nitric oxide is one of the ENDOTHELIUM-DEPENDENT RELAXING FACTORS released by the vascular endothelium and mediates VASODILATION. It also inhibits platelet aggregation, induces disaggregation of aggregated platelets, and inhibits platelet adhesion to the vascular endothelium. Nitric oxide activates cytosolic GUANYLATE CYCLASE and thus elevates intracellular levels of CYCLIC GMP.
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.
Branch of the common carotid artery which supplies the exterior of the head, the face, and the greater part of the neck.
A value equal to the total volume flow divided by the cross-sectional area of the vascular bed.
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.
Formation and development of a thrombus or blood clot in the blood vessel.
Obstruction of flow in biological or prosthetic vascular grafts.
An imbalance between myocardial functional requirements and the capacity of the CORONARY VESSELS to supply sufficient blood flow. It is a form of MYOCARDIAL ISCHEMIA (insufficient blood supply to the heart muscle) caused by a decreased capacity of the coronary vessels.
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.
Ultrasonography applying the Doppler effect, with the superposition of flow information as colors on a gray scale in a real-time image. This type of ultrasonography is well-suited to identifying the location of high-velocity flow (such as in a stenosis) or of mapping the extent of flow in a certain region.
Any of various animals that constitute the family Suidae and comprise stout-bodied, short-legged omnivorous mammals with thick skin, usually covered with coarse bristles, a rather long mobile snout, and small tail. Included are the genera Babyrousa, Phacochoerus (wart hogs), and Sus, the latter containing the domestic pig (see SUS SCROFA).
A neurotransmitter found at neuromuscular junctions, autonomic ganglia, parasympathetic effector junctions, a subset of sympathetic effector junctions, and at many sites in the central nervous system.
A volatile vasodilator which relieves ANGINA PECTORIS by stimulating GUANYLATE CYCLASE and lowering cytosolic calcium. It is also sometimes used for TOCOLYSIS and explosives.
Injuries to blood vessels caused by laceration, contusion, puncture, or crush and other types of injuries. Symptoms vary by site and mode of injuries and may include bleeding, bruising, swelling, pain, and numbness. It does not include injuries secondary to pathologic function or diseases such as ATHEROSCLEROSIS.
An alternative to amputation in patients with neoplasms, ischemia, fractures, and other limb-threatening conditions. Generally, sophisticated surgical procedures such as vascular surgery and reconstruction are used to salvage diseased limbs.
The outer shorter of the two bones of the FOREARM, lying parallel to the ULNA and partially revolving around it.
The development of new BLOOD VESSELS during the restoration of BLOOD CIRCULATION during the healing process.
A strain of albino rat used widely for experimental purposes because of its calmness and ease of handling. It was developed by the Sprague-Dawley Animal Company.
A method of non-invasive, continuous measurement of MICROCIRCULATION. The technique is based on the values of the DOPPLER EFFECT of low-power laser light scattered randomly by static structures and moving tissue particulates.
An increase in the number of cells in a tissue or organ without tumor formation. It differs from HYPERTROPHY, which is an increase in bulk without an increase in the number of cells.
The recording of muscular movements. The apparatus is called a myograph, the record or tracing, a myogram. (From Stedman, 25th ed)
Surgical union or shunt between ducts, tubes or vessels. It may be end-to-end, end-to-side, side-to-end, or side-to-side.
Distensibility measure of a chamber such as the lungs (LUNG COMPLIANCE) or bladder. Compliance is expressed as a change in volume per unit change in pressure.
The vessels carrying blood away from the capillary beds.
Precursor of epinephrine that is secreted by the adrenal medulla and is a widespread central and autonomic neurotransmitter. Norepinephrine is the principal transmitter of most postganglionic sympathetic fibers and of the diffuse projection system in the brain arising from the locus ceruleus. It is also found in plants and is used pharmacologically as a sympathomimetic.
A method of delineating blood vessels by subtracting a tissue background image from an image of tissue plus intravascular contrast material that attenuates the X-ray photons. The background image is determined from a digitized image taken a few moments before injection of the contrast material. The resulting angiogram is a high-contrast image of the vessel. This subtraction technique allows extraction of a high-intensity signal from the superimposed background information. The image is thus the result of the differential absorption of X-rays by different tissues.
The anterior and posterior arteries created at the bifurcation of the popliteal artery. The anterior tibial artery begins at the lower border of the popliteus muscle and lies along the tibia at the distal part of the leg to surface superficially anterior to the ankle joint. Its branches are distributed throughout the leg, ankle, and foot. The posterior tibial artery begins at the lower border of the popliteus muscle, lies behind the tibia in the lower part of its course, and is found situated between the medial malleolus and the medial process of the calcaneal tuberosity. Its branches are distributed throughout the leg and foot.
The main trunk of the systemic arteries.
Any adverse condition in a patient occurring as the result of treatment by a physician, surgeon, or other health professional, especially infections acquired by a patient during the course of treatment.
The region of the lower limb in animals, extending from the gluteal region to the FOOT, and including the BUTTOCKS; HIP; and LEG.
An aspect of personal behavior or lifestyle, environmental exposure, or inborn or inherited characteristic, which, on the basis of epidemiologic evidence, is known to be associated with a health-related condition considered important to prevent.
Polyester polymers formed from terephthalic acid or its esters and ethylene glycol. They can be formed into tapes, films or pulled into fibers that are pressed into meshes or woven into fabrics.
Aneurysm due to growth of microorganisms in the arterial wall, or infection arising within preexisting arteriosclerotic aneurysms.
The use of ultrasound to guide minimally invasive surgical procedures such as needle ASPIRATION BIOPSY; DRAINAGE; etc. Its widest application is intravascular ultrasound imaging but it is useful also in urology and intra-abdominal conditions.
Rhythmic, intermittent propagation of a fluid through a BLOOD VESSEL or piping system, in contrast to constant, smooth propagation, which produces laminar flow.
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 portion of the descending aorta proceeding from the arch of the aorta and extending to the DIAPHRAGM, eventually connecting to the ABDOMINAL AORTA.
NECROSIS occurring in the MIDDLE CEREBRAL ARTERY distribution system which brings blood to the entire lateral aspects of each CEREBRAL HEMISPHERE. Clinical signs include impaired cognition; APHASIA; AGRAPHIA; weak and numbness in the face and arms, contralaterally or bilaterally depending on the infarction.
The relationship between the dose of an administered drug and the response of the organism to the drug.
The plan and delineation of prostheses in general or a specific prosthesis.
A strain of albino rat developed at the Wistar Institute that has spread widely at other institutions. This has markedly diluted the original strain.
A thickening and loss of elasticity of the walls of ARTERIES that occurs with formation of ATHEROSCLEROTIC PLAQUES within the ARTERIAL INTIMA.
Non-human animals, selected because of specific characteristics, for use in experimental research, teaching, or testing.
A repeat operation for the same condition in the same patient due to disease progression or recurrence, or as followup to failed previous surgery.
An alpha-1 adrenergic agonist used as a mydriatic, nasal decongestant, and cardiotonic agent.
Sudden ISCHEMIA in the RETINA due to blocked blood flow through the CENTRAL RETINAL ARTERY or its branches leading to sudden complete or partial loss of vision, respectively, in the eye.
The neural systems which act on VASCULAR SMOOTH MUSCLE to control blood vessel diameter. The major neural control is through the sympathetic nervous system.
That phase of a muscle twitch during which a muscle returns to a resting position.
A powerful vasodilator used in emergencies to lower blood pressure or to improve cardiac function. It is also an indicator for free sulfhydryl groups in proteins.
Studies to determine the advantages or disadvantages, practicability, or capability of accomplishing a projected plan, study, or project.
Blood clot formation in any part of the CAROTID ARTERIES. This may produce CAROTID STENOSIS or occlusion of the vessel, leading to TRANSIENT ISCHEMIC ATTACK; CEREBRAL INFARCTION; or AMAUROSIS FUGAX.
The number of times the HEART VENTRICLES contract per unit of time, usually per minute.
The new and thickened layer of scar tissue that forms on a PROSTHESIS, or as a result of vessel injury especially following ANGIOPLASTY or stent placement.
Arteries which supply the dura mater.
A collection of blood outside the BLOOD VESSELS. Hematoma can be localized in an organ, space, or tissue.
The state of activity or tension of a muscle beyond that related to its physical properties, that is, its active resistance to stretch. In skeletal muscle, tonus is dependent upon efferent innervation. (Stedman, 25th ed)
Pathological processes involving any of the BLOOD VESSELS in the cardiac or peripheral circulation. They include diseases of ARTERIES; VEINS; and rest of the vasculature system in the body.
A non-selective inhibitor of nitric oxide synthase. It has been used experimentally to induce hypertension.
The circulation of blood through the CORONARY VESSELS of the HEART.
A white crystal or crystalline powder used in BUFFERS; FERTILIZERS; and EXPLOSIVES. It can be used to replenish ELECTROLYTES and restore WATER-ELECTROLYTE BALANCE in treating HYPOKALEMIA.
Pathological processes involving any part of the AORTA.
An abnormal direct communication between an artery and a vein without passing through the CAPILLARIES. An A-V fistula usually leads to the formation of a dilated sac-like connection, arteriovenous aneurysm. The locations and size of the shunts determine the degree of effects on the cardiovascular functions such as BLOOD PRESSURE and HEART RATE.
Narrowing or stricture of any part of the CAROTID ARTERIES, most often due to atherosclerotic plaque formation. Ulcerations may form in atherosclerotic plaques and induce THROMBUS formation. Platelet or cholesterol emboli may arise from stenotic carotid lesions and induce a TRANSIENT ISCHEMIC ATTACK; CEREBROVASCULAR ACCIDENT; or temporary blindness (AMAUROSIS FUGAX). (From Adams et al., Principles of Neurology, 6th ed, pp 822-3)
Surgical insertion of BLOOD VESSEL PROSTHESES, or transplanted BLOOD VESSELS, or other biological material to repair injured or diseased blood vessels.
Narrowing or constriction of a coronary artery.
Resistance and recovery from distortion of shape.
Minimally invasive procedures, diagnostic or therapeutic, performed within the BLOOD VESSELS. They may be perfomed via ANGIOSCOPY; INTERVENTIONAL MAGNETIC RESONANCE IMAGING; INTERVENTIONAL RADIOGRAPHY; or INTERVENTIONAL ULTRASONOGRAPHY.
A method of hemostasis utilizing various agents such as Gelfoam, silastic, metal, glass, or plastic pellets, autologous clot, fat, and muscle as emboli. It has been used in the treatment of spinal cord and INTRACRANIAL ARTERIOVENOUS MALFORMATIONS, renal arteriovenous fistulas, gastrointestinal bleeding, epistaxis, hypersplenism, certain highly vascular tumors, traumatic rupture of blood vessels, and control of operative hemorrhage.
The rhythmical expansion and contraction of an ARTERY produced by waves of pressure caused by the ejection of BLOOD from the left ventricle of the HEART as it contracts.
The minute vessels that connect the arterioles and venules.
The presence of an increased amount of blood in a body part or an organ leading to congestion or engorgement of blood vessels. Hyperemia can be due to increase of blood flow into the area (active or arterial), or due to obstruction of outflow of blood from the area (passive or venous).
NECROSIS of the MYOCARDIUM caused by an obstruction of the blood supply to the heart (CORONARY CIRCULATION).
Agents acting to arrest the flow of blood. Absorbable hemostatics arrest bleeding either by the formation of an artificial clot or by providing a mechanical matrix that facilitates clotting when applied directly to the bleeding surface. These agents function more at the capillary level and are not effective at stemming arterial or venous bleeding under any significant intravascular pressure.
Persistently high systemic arterial BLOOD PRESSURE. Based on multiple readings (BLOOD PRESSURE DETERMINATION), hypertension is currently defined as when SYSTOLIC PRESSURE is consistently greater than 140 mm Hg or when DIASTOLIC PRESSURE is consistently 90 mm Hg or more.
In screening and diagnostic tests, the probability that a person with a positive test is a true positive (i.e., has the disease), is referred to as the predictive value of a positive test; whereas, the predictive value of a negative test is the probability that the person with a negative test does not have the disease. Predictive value is related to the sensitivity and specificity of the test.
Methods of creating machines and devices.
Dilation of an occluded coronary artery (or arteries) by means of a balloon catheter to restore myocardial blood supply.
Radiography of the vascular system of the brain after injection of a contrast medium.
Direct myocardial revascularization in which the internal mammary artery is anastomosed to the right coronary artery, circumflex artery, or anterior descending coronary artery. The internal mammary artery is the most frequent choice, especially for a single graft, for coronary artery bypass surgery.
The act of constricting.
Pathologic deposition of calcium salts in tissues.
Levels within a diagnostic group which are established by various measurement criteria applied to the seriousness of a patient's disorder.
An NADPH-dependent enzyme that catalyzes the conversion of L-ARGININE and OXYGEN to produce CITRULLINE and NITRIC OXIDE.
The removal of a limb or other appendage or outgrowth of the body. (Dorland, 28th ed)
Devices to be inserted into veins or arteries for the purpose of carrying fluids into or from a peripheral or central vascular location. They may include component parts such as catheters, ports, reservoirs, and valves. They may be left in place temporarily for therapeutic or diagnostic purposes.
Bleeding or escape of blood from a vessel.
Any of the tubular vessels conveying the blood (arteries, arterioles, capillaries, venules, and veins).
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 qualitative or quantitative estimation of the likelihood of adverse effects that may result from exposure to specified health hazards or from the absence of beneficial influences. (Last, Dictionary of Epidemiology, 1988)
The return of a sign, symptom, or disease after a remission.
The tearing or bursting of the weakened wall of the aneurysmal sac, usually heralded by sudden worsening pain. The great danger of a ruptured aneurysm is the large amount of blood spilling into the surrounding tissues and cavities, causing HEMORRHAGIC SHOCK.
A branch of the external carotid artery which distributes to the deep structures of the face (internal maxillary) and to the side of the face and nose (external maxillary).
Endogenously-synthesized compounds that influence biological processes not otherwise classified under ENZYMES; HORMONES or HORMONE ANTAGONISTS.
The middle layer of blood vessel walls, composed principally of thin, cylindrical, smooth muscle cells and elastic tissue. It accounts for the bulk of the wall of most arteries. The smooth muscle cells are arranged in circular layers around the vessel, and the thickness of the coat varies with the size of the vessel.
Genetically developed small pigs for use in biomedical research. There are several strains - Yucatan miniature, Sinclair miniature, and Minnesota miniature.
Surgical shunt allowing direct passage of blood from an artery to a vein. (From Dorland, 28th ed)
Blocking of a blood vessel by an embolus which can be a blood clot or other undissolved material in the blood stream.
A CALCIUM-dependent, constitutively-expressed form of nitric oxide synthase found primarily in ENDOTHELIAL CELLS.
Aneurysm caused by a tear in the TUNICA INTIMA of a blood vessel leading to interstitial HEMORRHAGE, and splitting (dissecting) of the vessel wall, often involving the AORTA. Dissection between the intima and media causes luminal occlusion. Dissection at the media, or between the media and the outer adventitia causes aneurismal dilation.
Radiographic visualization of the aorta and its branches by injection of contrast media, using percutaneous puncture or catheterization procedures.
Surgical removal of an obstructing clot or foreign material from a blood vessel at the point of its formation. Removal of a clot arising from a distant site is called EMBOLECTOMY.
Regional infusion of drugs via an arterial catheter. Often a pump is used to impel the drug through the catheter. Used in therapy of cancer, upper gastrointestinal hemorrhage, infection, and peripheral vascular disease.
A statistical technique that isolates and assesses the contributions of categorical independent variables to variation in the mean of a continuous dependent variable.
"Radial artery versus femoral artery approach for performing coronary catheter procedures in people with coronary artery disease ... A catheter is inserted into an artery (typically the radial or femoral artery) and pushed to the vessels supplying the heart. A ... Obstructed or narrowed arteries can be identified, and angioplasty applied as a therapeutic measure (see below). Angioplasty ... In particular, acute myocardial infarction in the distribution of the circumflex artery is likely to produce a nondiagnostic ...
In order for accurate hemodynamic monitoring, arterial monitoring is typically placed in the femoral or radial artery. ... Intravascular cooling systems regulate temperature from inside veins such as the femoral, sub-clavian, or internal jugular to ...
Begin by palpating the radial or femoral arteries, feeling for a regular rhythm but alternating strong and weak pulses. Next ...
Invasive PP monitoring involves inserting a manometer pressure sensor into an artery-usually the radial or femoral artery-and ... It estimates cardiac output (Q) using a standard arterial catheter with a manometer located in the femoral or radial artery. ... estimates Q from the analysis of the pressure wave profile obtained from an arterial catheter-radial or femoral access. This PP ... knowledge of the pulmonary artery catheter. Pulmonary Artery Catheter Study Group". JAMA. 264 (22): 2928-32. doi:10.1001/jama. ...
A thin, flexible wire is inserted into either the femoral artery or the radial artery and threaded toward the heart until it is ... Commonly, this includes the radial artery, internal jugular vein, and femoral artery/vein. Each blood vessel has its advantages ... Radial access is not associated with an increased risk of stroke over femoral access. At this point, a catheter is guided over ... Should these arteries show narrowing or blockage, then techniques exist to open these arteries. Percutaneous coronary ...
It involves placing a special type of plastic cannula in an artery, usually in the wrist (radial artery) or groin (femoral ... artery). Agent concentration measurement: anaesthetic machines typically have monitors to measure the percentage of ...
During coronary catheterization, a catheter is inserted into the femoral (groin) or radial arteries (wrist) using a sheath and ... June 1996). "Measurement of fractional flow reserve to assess the functional severity of coronary-artery stenoses". N. Engl. J ... study evaluated the role of FFR in patients with multivessel coronary artery disease. In 20 centers in Europe and the United ... is a technique used in coronary catheterization to measure pressure differences across a coronary artery stenosis (narrowing, ...
PCI involves small probes, inserted through peripheral blood vessels such as the femoral artery or radial artery into the blood ... Blockage of an artery can lead to tissue death in tissue being supplied by that artery. Atherosclerotic plaques are often ... The gradual buildup of cholesterol and fibrous tissue in plaques in the wall of the coronary arteries or other arteries, ... Calcium deposits in the coronary arteries can be detected with CT scans. Calcium seen in coronary arteries can provide ...
Bleeding from the insertion point in the groin (femoral artery) or wrist (radial artery) is common, in part due to the use of ... femoral artery in the leg or the radial artery in the arm is punctured with a needle and a small wire is passed into the artery ... After accessing the blood stream through the femoral or radial artery, the procedure uses coronary catheterization to visualise ... Vascular access complications are less common and less serious when the procedure is performed via the radial artery. The most ...
... radial, or femoral arteries). External ultrasound methods have the advantage of being non-invasive, comparatively low cost and ... Deeper internal arteries, such as the coronary arteries require special intravascular catheters employing ultrasound or optical ... Variations in IMT between different locations (e.g. the common carotid artery, the carotid bulb and the internal carotid artery ... The carotid artery is the usual site of measurement of IMT and consensus statements for carotid IMT have been published for ...
... the heart is most often accessed via the femoral vein; neither the femoral artery nor the radial artery are used. Values are ... A thin, flexible wire is inserted into either the femoral artery or the radial artery and threaded toward the heart until it is ... Radial access is not associated with an increased risk of stroke over femoral access.[7] At this point, a catheter is guided ... The coronary arteries are known as "epicardial vessels" as they are located in the epicardium, the outermost layer of the heart ...
Most of the radial artery occlusions are asymptomatic. Post PCI radial artery occlusion can be reduced by using smaller ... Radial versus femoral approach for percutaneous coronary diagnostic and interventional procedures: Systematic overview and meta ... Radial access has also been used successfully to treat peripheral artery disease including bilateral iliac artery stenosis, ... radial artery access is now being used with equal efficacy to treat almost every complex coronary artery disease, including ...
... femoral and radial pulses are present in patients with a systolic blood pressure > 70 mmHg, carotid and femoral pulses alone in ... Methods using constitutive models have been proposed to measure blood pressure from radial artery pulse. The diastolic blood ... White, L; Halpin, A; Turner, M; Wallace, L (22 April 2016). "Ultrasound-guided radial artery cannulation in adult and ... usually radial, femoral, dorsalis pedis or brachial). The cannula is inserted either via palpation or with the use of ...
In the latter, a flexible catheter is passed via the femoral or radial arteries and advanced to the heart to identify blockages ... Acute coronary syndrome (ACS) is a syndrome (a set of signs and symptoms) due to decreased blood flow in the coronary arteries ... After the coronary arteries are unblocked, there is a risk of reperfusion injury due spreading inflammatory mediators ... Chun AA, McGee SR (2004). "Bedside diagnosis of coronary artery disease: a systematic review". Am. J. Med. 117 (5): 334-43. doi ...
Finesse grabs Laura's arms and fatally stabs Briggs in the radial and femoral arteries, making him bleed to death. Laura first ...
This most commonly involves the insertion of a sheath into the femoral artery (but, in practice, any large peripheral artery or ... The radial artery may also be used for cannulation; this approach offers several advantages, including the accessibility of the ... the use of angioplasty for the treatment of obstruction of coronary arteries as a result of coronary artery disease. A deflated ... Downsides to this approach include spasm of the artery and pain, inability to use larger catheters needed in some procedures, ...
... inserting a sheath into either the radial or femoral artery, passing a wire and catheter into the coronary artery and ... They then interpret the images taken to ascertain where the narrowed or blocked artery has the problem. They use a variety of ... Cardiac physiologists usually set up what is known as a transducer to monitor pressure in the arteries. They also have a live ... is an examination room in a hospital or clinic with diagnostic imaging equipment used to visualize the arteries of the heart ...
... radial artery, or femoral artery to ensure this is purely respiratory arrest and not cardiopulmonary arrest. Checking a pulse ... Initial assessment also involves checking for a pulse, by placing two fingers against the carotid artery, ...
For patients who had a catheterization at the femoral artery or vein (and even some of those with a radial insertion site), in ... The blood vessels used to reach the heart (the femoral or subclavian veins, and sometimes the femoral artery) are punctured ... If the femoral artery was used, the patient will probably be asked to lie flat for several hours (3 to 6) to prevent bleeding ... An access site that will allow catheters to be passed to the heart via an artery or vein is shaved and cleaned, usually in the ...
Finesse grabs X-23's arms and fatally stabs Briggs in the radial and femoral arteries, causing him to bleed profusely. She ...
... femoral, axillary, brachial, radial), central venous cannulation (internal jugular, femoral, subclavian), pulmonary artery ... usually placed in the aorta or femoral artery, is used to return blood to the arterial circulation. The process of preparation ... The surgeon places a cannula in the right atrium, vena cava, or femoral vein to withdraw blood from the venous circulation. The ... Some of the cardiac surgeries they train for include the following: coronary artery bypass surgery (CABG) both on ...
Other common places are the brachial artery, radial artery, popliteal artery, dorsalis pedis, and others. There are four types ... The most common access point is near the groin through the common femoral artery (CFA). ... Atherectomy is used to treat narrowing in arteries caused by peripheral artery disease. The use of atherectomy instead of or in ... It is an alternative to angioplasty for the treatment of peripheral artery disease, but the studies that exist are not adequate ...
... or radial artery and the oxygen concentration in the deoxygenated blood from the mixed supply found in the pulmonary artery (as ... oxygen difference is usually taken by comparing the difference in the oxygen concentration of oxygenated blood in the femoral, ... the a-vO2 diff may instead be taken by comparing blood from the pulmonary artery and the pulmonary vein; in this case a ...
... or femoral arteries, with the ulnar, radial, and tibial vessels if necessary) are used. The corresponding veins are commonly ... In these cases, a six-point injection is made through the two iliac or femoral arteries, subclavian or axillary vessels, and ... injecting arterial fluid into the right common carotid artery and draining from the right femoral vein) is referred to as a ... The fluid is usually injected with an embalming machine into an artery under high pressure and flow, and allowed to swell and ...
... a coarctation occurring after the left subclavian artery will produce synchronous radial pulses, but radio-femoral delay will ... In the lower extremities, weak pulses in the femoral arteries and arteries of the feet are found.[citation needed] The ... In these cases, a difference between the normal radial pulse in the right arm and the delayed femoral pulse in the legs (either ... In some cases angioplasty can be performed to dilate the narrowed artery, with or without the placement of a stent graft.[ ...
... carotid artery), wrist (radial artery), at the groin (femoral artery), behind the knee (popliteal artery), near the ankle joint ... brachial artery) Radial pulse: located on the lateral of the wrist (radial artery). It can also be found in the anatomical ... A normal artery is not palpable after flattening by digital pressure. A thick radial artery which is palpable 7.5-10 cm up the ... A discrepant or unequal pulse between left and right radial artery is observed in anomalous or aberrant course of artery, ...
Examples of muscular arteries include the radial artery, femoral artery and the splenic artery. Muscular arteries, along with ... A muscular artery (or distributing artery) is a medium-sized artery that draws blood from an elastic artery and branches into " ... This contrasts to the mechanism of elastic arteries, which use their elastic properties to store the energy generated by the ... In constricted vessels, the elastic lamina of muscular arteries appears thick and kinky. The elastic lamina is best visualized ...
The femoral artery can be used to draw arterial blood when the blood pressure is so low that the radial or brachial arteries ... the femoral artery has the following segments: The common femoral artery is the segment of the femoral artery between the ... The femoral artery is a large artery in the thigh and the main arterial supply to the thigh and leg. The femoral artery gives ... Front of right thigh, showing surface markings for bones, femoral artery and femoral nerve. Femoral artery and its major ...
... an interventional radiologist obtains access to the arterial system by piercing the femoral or radial artery, usually under ... Prostatic artery embolization (PAE, or prostate artery embolisation) is a developing non-surgical technique for treatment of ... This technique is used to help locate the prostatic artery and advance the catheter to the ostium of the prostatic artery. ... Prostatic artery embolization is an emerging treatment alternative which avoids the risks of systemic medication and of surgery ...
RADIAL Versus Femoral Access for Coronary Artery Bypass Graft Angiography and Intervention (RADIAL-CABG) Trial (RADIAL-CABG). ... A Randomized Comparison of RADIAL Versus Femoral Access for Coronary Artery Bypass Graft Angiography and Intervention (RADIAL- ... Procedure: Radial access versus femoral access for coronary angiography and intervention Radial access or femoral access for ... Procedure: Radial access versus femoral access for coronary angiography and intervention Radial access or femoral access for ...
Radial artery RA was carried out in 33 (38.4%) cases. There was a significant difference in sheath size (femoral 7[6-8] vs. ... Rotational Atherectomy via the Radial Artery Route is Safe With Equivalent Procedural Success Rates to the Traditional Femoral ... Rotational Atherectomy via the Radial Artery Route is Safe With Equivalent Procedural Success Rates to the Traditional Femoral ... Rotational Atherectomy via the Radial Artery Route is Safe With Equivalent Procedural Success Rates to the Traditional Femoral ...
Clinical outcomes following radial versus femoral artery access in primary or rescue percutaneous coronary intervention in ... Clinical outcomes following radial versus femoral artery access in primary or rescue percutaneous coronary intervention in ... Clinical outcomes following radial versus femoral artery access in primary or rescue percutaneous coronary intervention in ...
Superficial Femoral Artery Recanalization via Transradial Access or a Combined Radial-Pedal Access Strategy ... Superficial Femoral Artery Recanalization via Transradial Access or a Combined Radial-Pedal Access Strategy ... Superficial Femoral Artery Recanalization via Transradial Access or a Combined Radial-Pedal Access Strategy ...
... assignment to either radial or femoral access). Outcomes of patients randomized to radial versus femoral artery access were ... the primary outcome was similar in the radial and femoral artery groups (4.76% radial vs. 3.92% femoral; HR: 1.21; 95% CI: 0.87 ... In patients with STEMI (A), radial artery access reduced the primary outcome compared with femoral artery access, whereas in ... In patients with STEMI (A), radial artery access reduced the mortality compared with femoral artery access, whereas in patients ...
Radial versus femoral artery access in patients undergoing PCI for left main coronary artery disease: Analysis from the EXCEL ... Radial versus femoral artery access in patients undergoing PCI for left main coronary artery disease: Analysis from the EXCEL ... coronary artery disease. Methods and results: The EXCEL trial was a prospective, international, open-label, multicentre trial ... 32 to PCI with everolimus-eluting stents versus coronary artery bypass grafting. The present analysis cohort consisted of 931 ...
A randomized trial comparing left distal radial versus femoral approach for coronary artery bypass graft angiography: a pilot ... A randomized trial comparing left distal radial versus femoral approach for coronary artery bypass graft angiography: a pilot ... A randomized trial comparing left distal radial versus femoral approach for coronary artery bypass graft angiography: a pilot ... BACKGROUND: Left distal transradial angiography (ldTRA) is a new technique for radial coronary angiography and may be an ...
circumflex femoral artery, lateral synonyms, circumflex femoral artery, lateral pronunciation, circumflex femoral artery, ... English dictionary definition of circumflex femoral artery, lateral. n. pl. ar·ter·ies 1. Anatomy Any of the muscular elastic ... bifurcates into the radial and ulnar arteries at the elbow. arteria radialis, radial artery - branch of the brachial artery ... arteria femoralis, femoral artery - the chief artery of the thigh; a continuation of the external iliac artery ...
Radial artery appears to be a safe alternative to femoral artery for catheter procedures Instead of threading catheters from ... the femoral artery in the groin, cardiologists can safely use the radial artery in the arm to gain access to coronary arteries ... the property of arteries to dilate in order to meet an increased demand of blood, for instance due to a physical effort). ... commonly known as hardening of the arteries. These dual effects enhance the circulatory system, therefore aiding in the ...
TCT-813 Assessing Relative Importance for Attributes of Radial and Femoral Artery PCI Amongst Healthy Online-Recruited ...
Long Radial Sheath for Angiography of Femoral Artery Large Sheath Access Site with Vascular Closure Devices Article Sidebar. ... Onizuka, T., Raveendran, G., & Panetta, C. J. (2021). Long Radial Sheath for Angiography of Femoral Artery Large Sheath Access ... Nazir S, Nesheiwat Z, Syed MA, Gupta R. Severe radial artery spasm causing entrapment of the terumo radial to peripheral ... a case series with use of a novel long 6 French guiding sheath via left radial artery access for angiography of the femoral ...
... the radial mean and diastolic artery pressures were lower than corresponding the femoral artery pressure. CONCLUSIONS:. Radial ... The femoral artery systolic pressure was higher than the corresponding radial artery pressures during the operation. Although ... Radial and femoral artery pressures, systemic vascular resistance, cardiac output and temperature were compared during surgery ... A Comparison of Femoral and Radial Artery Pressure during an Adult Liver Transplantation / 대한마취과학회지 ...
Brachial artery. Femoral artery. Radial artery. 14 of 15Question 2. A patient without a pulse requires the first responder to ... Which artery should first responders use to check the pulse rate of an infant? ...
In this study, the authors aimed to investigate procedural and clinical outcomes between radial and femoral artery access in ... A comparison of radial versus femoral artery access for acute stroke interventions ... for radial vs 94.2% for femoral, p = 0.696). There was no significant difference in the incidence of access site or ... 11.68 for radial vs 18.49 ± 11.78 minutes for femoral, p = 0.898). The majority of patients underwent thrombolysis in cerebral ...
Prevention of Radial Artery Occlusion After Transradial Catheterization. Factors influencing radial artery occlusion and ... An Anesthesiologists Perspective of Radial Artery Catheterization. A brief summary of radial artery catheterization and the ... Compartment Syndrome After Radial Artery Catheterization. A review of the literature.. By Samer Mowakeaa, MD; and Robert S. ... In the superficial femoral artery (SFA), we now have multiple technologies that can be used and randomized trials demonstrating ...
PAE also offers a shorter recovery time compared to surgical options and is performed via the femoral or radial artery. ... Prostatic artery embolization (PAE) is a promising non-surgical treatment for lower urinary tract symptoms (LUTS) from benign ... Embosphere PRO™ Prostatic Artery Embolization Kit - combines the power and predictability of Embosphere® Microspheres with ... Learn the minimally invasive technique of Prostatic Artery Embolization (PAE). The ThinkPAE™ education course features numerous ...
Keywords: Cardiac Catheterization, Catheterization, Femoral Artery, Radial Artery, Vascular Access Devices , Back to Listings ... YOU ARE HERE: Home , Latest in Cardiology , Radial Uptake and Femoral Complications ... radial access was associated with fewer VCs compared with femoral access (adjusted rates: 1.44% vs. 4.19%; OR, 0.33; 95% CI, ... This is not surprising since a reduction in femoral route is probably accompanied by a reduction in proficiency with obtaining ...
... radial and femoral arteries. The local arterial pulse wave will be recorded as well as carotid-to-femoral and carotid-to-radial ... The carotid and radial augmentation indexes will be measured directly at the carotid and radial arteries and the aortic ... Artery Research. 2011;5(2):72-9.. *Sherry LM, Wang JJ, Rochtchina E, Wong T, Klein R, Hubbard L, Mitchell P. Reliability of ... Artery Research. 2011;5(2):58-64.. *Hubble SM, Kyte HL, Gooding K, Shore AC. Variability in sublingual microvessel density and ...
... particularly wounds created in arteries during procedures employing percutaneous access. The invention preferably includes the ... The vessel accessed is typically the femoral or radial artery. Access involves placement of an introducers distal tip beneath ... radial artery, and the like. Such wounds are typically subcutaneous in the sense that the artery is covered by tissue rather ... adjacent to the artery, a limb or life threatening clot may form inside of the artery. This condition can be difficult to treat ...
Femoral Artery Pressure Monitoring Catheter Sets and Trays; Radial Artery Pressure Monitoring Catheter Sets and Trays. And last ... or removing small blood clots from veins and arteries. According to the Journal of Medical Engineering & Technology the problem ...
Femoral Artery*. Humans. Male. Middle Aged. Platelet Glycoprotein GPIIb-IIIa Complex / antagonists & inhibitors. Radial Artery* ... Using propensity score methodology, 3,198 patients with femoral access were randomly matched to 3,198 patients with radial ... Major adverse cardiac event was defined as death, myocardial infarction, abrupt vessel closure, or coronary artery bypass ... 24284299 - Cardiac sarcoidosis and coronary artery disease: a two-hit mechanism to left ventricula.... 24831809 - ...
FA (femoral artery), PA (popliteal artery), PtA (posterior tibial artery), BA (brachial artery), RA (radial artery), and UA ( ... Stenoses located in the four arteries (femoral artery, popliteal artery, posterior tibial artery, and brachial artery) would ... femoral artery, popliteal artery and posterior tibial artery) and the upper limb artery (brachial artery). ... 3), popliteal artery (no. 4), posterior tibial artery (no. 5), brachial artery (no. 11), radial artery (no. 12), and ulnar ...
A new study from Canada suggests that even light smoking in otherwise healthy young people damages the arteries, reducing their ... The three arteries were the radial (wrist), carotid (neck) and femoral (groin) arteries.. The "arterial stress test" was a bit ... Hardened arteries in elderly linked to brain plaques A new study links hardening of the arteries in elderly people with beta- ... Also, when arteries get harder, the heart has to work harder to pump the same amount of blood around, and the stiffer the ...
Give a couple examples of muscular arteries. 1. radial artery. 2. femoral artery ... Coronary artery bypass graft (CABG). 2. Is limited by:. Rapidity of alleviating the obstruction. Extent of the correction and ... 2. Seen in artery occlusion of 90% or greater. 3. Caused by: Acute plaque change with superimposed thrombosis/embolism or ... 1. Caused by coronary artery spasm unrelated to physical activity, heart rate or BP. 2. Relieved by vasodilators and calcium ...
Used to examine cardiac function, blockage in coronary arteries, and integrity of cardiac valves; goes through femoral, radial ... Branches off L Coronary Artery; supplies blood to posterior heart. Left Coronary Artery. supplies blood to ventricles and left ... Coronary Arteries. Right Coronary, Posterior Interventricular, Anterior Interventricular, Circumflex and Left Coronary Artery. ... Right coronary Artery. Originates at cusp of aorta; supplies blood to ventricles, R atrium and SA node. ...
Since the radial artery is of a smaller caliber than the femoral artery, the radial artery cannot accommodate large-size ... Traditionally, the heart has been accessed via the femoral artery; however, in the last decade, the radial artery has been more ... Radial and ulnar arteries. Because of the tortuosity of the radial artery, the wrist needs to be extended prior to ... Pseudoaneurysms of the femoral and radial artery have been reported but are rare. Most can be controlled by applying local ...
Radial versus femoral approach for rotational atherectomy. Solomonica, Amir; Lavi, Shahar; Cui, Jingang; More ... A case of anomalous origin of left main coronary artery from the pulmonary artery combined with anomalous aortic origin of the ... Superdominant left anterior descending artery with posterolateral branch from circumflex. Bagchi, Avishek; Jain, Abinav; Kishan ... Long-term outcomes of percutaneous coronary intervention for unprotected left main coronary artery according to the synergy ...
radial artery. SFA. superficial femoral artery. SG. sheathless guide. TP. transpedal. TR. transradial. UA. ulnar artery. ... Conclusions Femoral artery intervention can be safely and effectively performed using radial and pedal access with acceptable ... For percutaneous superficial femoral artery (SFA) intervention, the common anatomic limitations of the arteries in the upper ... Combined Transradial and Transpedal Approach for Femoral Artery Interventions. Zoltán Ruzsa, Robert Bellavics, Balázs Nemes, ...
  • Increased use of radial access for cardiac catheterization is being advocated because studies have showed lower arterial access related complication rates and higher patient satisfaction as compared to femoral access. (
  • Radial access for lower extremity peripheral arterial interventions: Do we have the tools? (
  • The radial artery pressure is known to differ from central arterial pressure in normal patients (distal pulse amplification) and in the early postcardiopulmonary bypass period. (
  • They measured the participants' arterial stiffness in three arteries, both at rest and then after an arterial stress test, using a new but not well established method called applanation tonometry. (
  • The "arterial stress test" was a bit like a cardiac stress test that measures the heart's response to exercise, except in this case Daskalopoulou and colleagues measured the arteries' response to exercise. (
  • The ankle-brachial index (ABI), defined as the ratio of systolic pressure in the ankle arteries and that in the brachial artery, was a useful noninvasive method to detect arterial stenoses. (
  • For the purpose of a better understanding of the correlation between vascular stenoses and ABI, a computational model for simulating blood pressure and flow propagation in various arterial stenosis circumstances was developed with a detailed compartmental description of the heart and main arteries. (
  • ABI, defined as the ratio of systolic pressure in the ankle arteries (the posterior tibial artery in this model) and systolic pressure in the brachial artery (Figure 1 ), was an important noninvasive measurement for the detection of arterial obstructive disease, especially for the lower extremity arterial stenosis [ 8 - 10 ]. (
  • The radial artery is preferred for securing arterial blood and for cannulation to provide continuous blood pressure (BP) monitoring and arterial blood sampling. (
  • Late mortality is dependent not only on non-use of internal mammarian artery, closure of grafts, progression of native arterial disease but also on comorbidities. (
  • Peripheral arterial disease (PAD) is atherosclerotic disease with a decrease in blood flow to the arteries of the lower extremities. (
  • Responses of sympathetic nerve activity and arterial blood pressure are augmented during activation of the exercise pressor reflex in rats with femoral artery occlusion. (
  • We obtained right common femoral arterial access using the modified Seldinger technique and ultrasound guidance. (
  • The artery is more sensitive to pain because it has nerves close to it, so arterial sticks are more painful. (
  • This included, gaining patient consent, success in gaining arterial access, success in intubating the left and right coronary arteries, observation of haemodynamics, observation of complications and reporting the findings. (
  • When directly compared with contemporaries, nurse-delivered diagnostic coronary angiography resulted in successful and appropriate arterial access, successful intubation of both coronary arteries, safe monitoring throughout the procedure and correct reporting of each study, with a similar level of patient satisfaction. (
  • In addition, there was a trend to decrease carotid-radial PWV (crPWV), an indicator of arm arterial stiffness. (
  • No changes were observed in carotid-femoral PWV (cfPWV), 11 often considered the gold standard assessment of arterial health with applanation tonometry. (
  • Arterial and venous cannulation for cardiopulmonary bypass (CPB) was performed through the right femoral artery and vein, respectively. (
  • Four retrograde arterial cannulas attached to "Y" connectors in the arterial line were then placed into each supraaortic artery. (
  • The radial artery is also commonly used when drawing arterial blood for 'Arterial Blood Gas' (ABG) measurement. (
  • Arterial lines are most frequently placed in the radial artery, but also can be placed in the brachial, femoral, or other arteries. (
  • For bilateral femoral arterial occlusion, other access considerations include radial, brachial, or axillary artery locations. (
  • The femoral artery is a large artery in the thigh and the main arterial supply to the leg. (
  • The femoral artery can be used to draw arterial blood when the blood pressure is so low that the radial or brachial arteries cannot be located. (
  • The femoral artery is susceptible to peripheral arterial disease . (
  • Except disorganization of elastic fibers, less is known about the morphology of vascular aging and also about the molecular events influencing the age of arteries, arterial stiffness, and their role in the appearance of future complications. (
  • Clearly label the arterial line to prevent misidentification of the line as venous, with subsequent unintentional injection of drugs or other therapeutic substances into a peripheral artery. (
  • The three most widely used techniques for cardiac catheterization involve access through the femoral, radial, or brachial artery, with access to the brachial artery usually obtained by a cutdown approach and the others via a percutaneous approach. (
  • It is also gaining popularity for peripheral interventions (1-3) because of patient comfort and the higher risk for vascular complications when using femoral and brachial artery access (4,5) . (
  • Results showed that stenoses in lower limb arteries, as well as, brachial artery, caused different variations of blood pressure in ankle and brachial arteries, resulting in a significant change of ABI. (
  • The brachial artery can be palpated as it courses medial to the biceps muscle and tendon into the antecubital fossa, with the arm extended and the palm facing up. (
  • The Benefits Conferred by Radial Access for Cardiac Catheterization Are Offset by a Paradoxical Increase in the Rate of Vascular Access Site Complications With Femoral Access: The Campeau Radial Paradox. (
  • however, in the last decade, the radial artery has been more widely used, since it (1) is readily accessible (even in obese individuals), (2) is the preferred site of access by many patients, (3) is associated with a lower incidence of hemorrhage, and (4) allows earlier ambulation of the patient following the procedure than a femoral catheterization. (
  • The ability to access arteries through transradial catheterization, which involves entry through the wrist, as opposed to transfemoral catheterization, which involves entry through the groin, has gained favor in cardiology, where the approach allows for an optimal angle into the coronary arteries. (
  • Subsets of this technique are mainly coronary catheterization , involving the catheterization of the coronary arteries , and catheterization of cardiac chambers and valves of the cardiac system. (
  • Cardiac catheterization requires the use of fluoroscopy to visualize the path of the catheter as it enters the heart or as it enters the coronary arteries. (
  • Left heart catheterization allows for direct intervention in cases of coronary artery occlusion. (
  • SAN FRANCISCO, CA - October 29, 2013 - A clinical trial conducted exclusively in women suggests that an initial strategy of using the radial artery in the arm as the entry point for cardiac catheterization or percutaneous coronary intervention (PCI) in women has potential for reducing bleeding complications. (
  • The SAFE-PCI for Women Trial randomized 1,787 women undergoing elective PCI, urgent PCI or diagnostic catheterization with possible PCI to either a radial or femoral approach. (
  • The traditional method of catheterization is the femoral artery access. (
  • Radial access catheterization is another method of cardiovascular catheterization in which the catheter is introduced through the radial artery. (
  • Although radial access catheterization is a technically challenging procedure for cardiologists, the patient is more comfortable during the procedure and the risk of bleeding is significantly reduced. (
  • Radial Cardiac Catheterization: Diagnosing and treating conditions through the wrist If you are experiencing chest pain, your doctor may recommend a cardiac catheterization (also known as a coronary angiogram) to get images of your heart and learn the cause. (
  • Radial catheterizations are easier on the patient," said Peter Mason, MD, MPH, a Froedtert & MCW interventional cardiologist and director of the Froedtert & MCW Cardiac Catheterization Laboratory. (
  • To do a cardiac catheterization, a cardiologist inserts a catheter (a long, thin tube) into an artery in the groin or the wrist and threads the catheter to the aorta (the main artery of the body) and then to the heart arteries. (
  • A number of clinical trials have compared risks in radial and femoral catheterization approaches. (
  • When a patient undergoes cardiac catheterization, a wire tube, or sheath, is inserted into the arteries in the patient's groin or wrist area (femoral or radial arteries). (
  • St. Jude Medical) compared to manual compression in patients undergoing diagnostic cardiac catheterization via the common femoral artery. (
  • 2,3 Yet, the femoral route remains the most commonly used access site worldwide (in particular in the United States), and even in experienced high-volume radial access centers, about 20%-30% of patients still undergo catheterization via the femoral route for various reasons. (
  • Heart patients traditionally undergo cardiac catheterization or stent procedures through the femoral artery or groin area. (
  • Cardiac catheterization is a procedure used to detect and identify cholesterol deposits that block blood flow through the arteries to the heart. (
  • Since the radial artery is of a smaller caliber than the femoral artery, the radial artery cannot accommodate large-size catheters, spasms in some cases (thereby preventing catheter passage), and occludes in 5%-10% of patients postprocedure, although this seldom causes symptoms. (
  • Methods Between 2014 and 2016, clinical and angiographic data from 145 consecutive patients with symptomatic superficial femoral stenosis, treated via primary radial access using the 6-F SheathLess Eaucath PV guiding catheter were evaluated in a pilot study. (
  • For radial artery cannulation, either the catheter-over-needle technique or the catheter-over-wire technique may be used. (
  • For femoral artery cannulation, the catheter-over-wire technique is preferred. (
  • The catheter-over-needle technique can also be used for femoral artery cannulation, either alone or in combination with an over-the-wire technique (ie, Seldinger) if a longer indwelling catheter is desired. (
  • Medtronic unveiled three new additions to its coronary portfolio Monday-a transradial diagnostic catheter and accompanying transradial devices to facilitate the treatment of coronary artery disease via the radial artery in the wrist. (
  • Uterine artery embolization is a procedure in which an interventional radiologist uses a catheter to deliver small particles that block the blood supply to the uterine body. (
  • In order to select the uterine vessels for subsequent embolization, a guiding catheter is commonly used and placed into the uterine artery under X-ray fluoroscopy guidance. (
  • Once at the level of the uterine artery an angiogram with contrast is performed to confirm placement of the catheter and the embolizing agent (spheres or beads) is released. (
  • [7] At this point, a catheter is guided over the wire into the ascending aorta, where it can be maneuvered into the coronary arteries through the coronary ostia. (
  • However, high cost of procedures, and lack of skilled and trained healthcare professionals are some of the factors that hinder the growth of the radial access catheter market. (
  • Radial Access Catheter is gaining popularity among the interventional cardiologists. (
  • However factors such as lack of training, and high cost of the procedure and equipment restrict the Radial Access Catheter Market Growth . (
  • Technology advancements, increase in R&D funding and rise in mergers and acquisitions are some opportunities for growth in the radial access catheter market. (
  • Increasing prevalence of cardiovascular diseases, changes in lifestyle, increasing use of radial access catheter in pediatric patients, and increasing preference for minimally invasive procedures and interventional cardiology procedures are some of the factors that drive the growth of the radial access catheter market. (
  • Radial Access Catheter market is segmented into product type, applications, end user and regions. (
  • Radial Access Catheter can be broadly classified into catheters, guidewires, sheath and sheath introducers and accessories based on product type. (
  • North America and Europe radial access catheter market is expected to occupy the maximum share of the global radial access catheter market. (
  • However, increasing adoption of interventional procedures, increase in cardiac diseases and increasing awareness is expected to drive the growth of the radial access catheter market in the Asia Pacific region such that the CAGR of the region is expected to be maximum when compared to the other regions during the forecast period. (
  • Uterine artery embolization, also known as uterine fibroid embolization (UFE), involves the placement of a small catheter into the uterine artery and delivery of small particles to starve the blood supply to the fibroid. (
  • An access catheter is then introduced into the artery. (
  • Once at the level of the uterine artery, an angiogram with contrast is performed to confirm placement of the catheter and tiny particles are injected. (
  • Hemodynamic monitoring was performed with an internal jugular central venous catheter and bilateral radial and left femoral artery lines. (
  • The Iberis™ system, which granted CE certification in April 2013, is a catheter delivering high radio frequency energy through the wall of renal artery to ablate or disrupt the surrounding renal sympathetic nerves. (
  • Traditional heart catheterizations have relied on use of the femoral artery as a point of entry for the catheter tube. (
  • The catheter is inserted, and then guided through the artery to the heart. (
  • As the femoral artery can often be palpated through the skin, it is often used as a catheter access artery. (
  • In the superficial femoral artery (SFA), we now have multiple technologies that can be used and randomized trials demonstrating the benefits of some of these approaches. (
  • The current treatment landscape for complex superficial femoral artery lesions and recommendations for improvement. (
  • Background Improved equipment and techniques have resulted in transition from transfemoral to transradial access for intervention of superficial femoral artery. (
  • For percutaneous superficial femoral artery (SFA) intervention, the common anatomic limitations of the arteries in the upper extremity are the narrower access lumen and the distance between the puncture site and target lesion, while the main advantage is that atherosclerotic involvement is rare. (
  • The patient is a 70-year-old female with a history of tobacco abuse, chronic obstructive pulmonary disease, 3-vessel coronary artery disease status post coronary artery bypass graft surgery, transient ischemic attacks, hypertension, hyperlipidemia, and bilateral iliac stents and superficial femoral artery disease. (
  • The common femoral artery gives off the profunda femoris artery and becomes the superficial femoral artery to descend along the anteromedial part of the thigh in the femoral triangle . (
  • In clinical parlance, the part of the femoral artery proximal to the origin of profunda femoris is often termed the common femoral artery, while that distal to the origin of the profunda is termed the superficial femoral artery. (
  • The three arteries were the radial (wrist), carotid (neck) and femoral (groin) arteries. (
  • This module focuses on groin access, since the majority of vascular closure devices is limited for closing the common femoral artery. (
  • Percutaneous coronary intervention is usually done via the radial artery in the wrist, or the femoral artery in the groin. (
  • Access is commonly through the radial or femoral artery via the wrist or groin, respectively. (
  • at the groin into the femoral arteries or the arm sight into the radial artery. (
  • For many years, cardiologists only performed cardiac catheterizations by using the femoral artery in the groin. (
  • He also underwent 3 insertions of needles into his femoral vein in his groin. (
  • This can be done through the wrist (radial) or the groin (femoral) artery. (
  • The partial occlusion of arteries due to stenotic obstruction is one of the most frequent cardiovascular diseases in human beings. (
  • The patient is then asked to open the hand, which should appear blanched as a consequence of the occlusion of the radial and ulnar arteries (see the image below). (
  • Post-procedurally if access was gained via a femoral artery puncture an occlusion device can be used to hasten healing of the puncture site and the patient is asked to remain with the leg extended for several hours but many patients are discharged the same day with some remaining in the hospital for a single day admission for pain control and observation. (
  • This technique is also used to assess the amount of occlusion (or blockage) in a coronary artery, often described as a percentage of occlusion. (
  • The exercise pressor reflex is amplified in patients with peripheral artery disease (PAD) and in an experimental PAD model of rats induced by femoral artery occlusion. (
  • Our data show that femoral occlusion decreased the protein levels of SOD in ischemic muscle as compared with control muscle. (
  • The present study examined the role played by proinflammatory tumor necrosis factor-α (TNF-α) in regulating augmented sympathetic responsiveness induced by stimulation of muscle metabolic receptors and static muscle contraction following 72 h of femoral artery occlusion. (
  • We first observed that the levels of TNF-α and protein expression of TNF-α receptor type 1 (TNFR1) were increased in the dorsal root ganglion (DRG) of hindlimbs with femoral artery occlusion. (
  • The effects of these injections on the sympathetic and pressor responses were further examined in control rats and rats with femoral artery occlusion. (
  • As TNF-α synthesis suppressor pentoxifylline (PTX) was previously administered into the hindlimb with femoral artery occlusion, sympathetic, and pressor responses induced by capsaicin and AITC were attenuated. (
  • but in the presence of bilateral femoral occlusion, other access locations are considered. (
  • For bilateral femoral venous occlusion, the internal jugular, subclavian, or transhepatic route is considered. (
  • Burn shock is a unique combination of distributive and hypovolemic shock, recognized by intravascular volume depletion, low pulmonary artery occlusion pressure (PAOP), increased systemic vascular resistance and depressed cardiac output. (
  • In fact, complete radial artery occlusion was found in 25% of patients, without associated ischemic consequences. (
  • The axillary artery may be palpated best in the axillary space, with the arm abducted and externally rotated. (
  • The RADIAL CABG Trial is a randomized-controlled trial proposed to test the hypothesis that bypass graft angiography and intervention via radial access provides lower vascular complication rates, similar contrast and equipment utilization and higher patient satisfaction when compared with transfemoral approach. (
  • This is a phase III, single-center, prospective, randomized trial that will compare resource utilization, clinical outcomes and patient satisfaction between radial and femoral access for patients with prior coronary artery bypass graft (CABG)surgery undergoing coronary and graft angiography and intervention. (
  • BACKGROUND: Left distal transradial angiography (ldTRA) is a new technique for radial coronary angiography and may be an alternative to conventional transfemoral angiography (TFA) in patients who had previously undergone coronary artery bypass graft (CABG) surgery. (
  • Radial access combined with hemodynamic support has the limitation of not allowing adequate angiography or delivery of peripheral balloons for managing the femoral access site after removal of the large femoral sheath. (
  • We present a case series with use of a novel long 6 French guiding sheath via left radial artery access for angiography of the femoral access site after removal of a large sheath for left ventricular assist device with vascular closure devices. (
  • I perform coronary angiography and angioplasty via both the radial and femoral arteries. (
  • We studied all consecutive emergency, urgent and elective patients who underwent diagnostic coronary angiography and/or PCI procedures using an initial radial artery vascular access at Watford General Hospital, over five years from April 2009 to March 2014. (
  • An interventional cardiologist operator performed all the percutaneous coronary interventions (PCI) using a single-plane angiography unit via both femoral and radial artery approaches. (
  • The qualification for simultaneous vertebral and subclavian artery angioplasty was performed on the basis of non-invasive examinations, neurological, cardiological and radiological consultation, and finally on direct angiography. (
  • For patients we host a ' Hospital Locator ' that lists centers practicing radial angiography (currently almost 400 listings). (
  • Anatomy in aortoiliac artery angiography. (
  • Aortoiliac angiography image includes abdominal aorta, lumber branch (A), inferior mesenteric artery (B), median sacral artery (C), common iliac artery (D), internal iliac artery (E), superior (F) and inferior (G) gluteal arteries, external iliac artery (H), deep circumflex iliac artery, (I) and common femoral artery (J). (
  • Aortoiliac artery angiography by 30 and 20 cm image size. (
  • Aortoiliac artery by 3D CT angiography. (
  • A) Ostium of renal artery is confirmed by selective renal artery angiography. (
  • In the crossover approach from the left CFA, angiography shows multiple stenotic lesions of the right EIA not extending to the right CFA (A). Keeping working view including the femoral head, the stent position is carefully determined so as not to implant in "no stenting zone" (B). Final result also confirmed with this view (C). (
  • Radial access was not associated with failure of stent deployment. (
  • While PCI usually involves balloon angioplasty to compress plaque against the wall of the artery, the physician may also deploy a stent to keep the artery open. (
  • Marrs is one of 585 people who received a letter from St. Joseph Medical Center saying Midei may have unnecessarily given her a stent, a tiny device designed to open up blocked arteries. (
  • Once identified, heart artery blockages can then be fixed by placing a small metal mesh tube, called a stent, inside the artery. (
  • Due to significant left subclavian artery tortuosity and stent, we were unable to perform the procedure from the left radial artery. (
  • Once doctors have threaded their equipment inside the body, they can choose whether to insert a stent, which is a metal mesh tube that works with a balloon to expand and open up a narrow artery. (
  • And these courses are sponsored in large part by industry: Medtronic, Merit Medical, Terumo and more - including smaller companies that may have radial-specific products, such as Svelte Medical's ' stent-on-a-wire . (
  • All complications occurred in patients who underwent RA via the femoral approach. (
  • Sandoval Y, Bell MR, Gulati R. Transradial artery access complications. (
  • Is increased uptake of radial access (RA) offset by a greater incidence of vascular access site complications among patients undergoing femoral access (FA)? (
  • Complications associated with radial artery access do occur but are far more tolerated and milder than those associated with femoral access. (
  • In light of evidence showing reduced bleeding, fewer vascular complications, reduced adverse events, and shorter hospital length of stay, the American Heart Association recommends a "radial first" strategy for acute coronary syndrome patients in its guidelines. (
  • Evidence has shown key benefits of the radial approach in neurology, however, including improved access to the vertebrobasilar system, ease in navigating complex arch anatomies, such as bovine and type III arches, and reductions in ischemic complications owing to robust collateral circulation from the ulnar artery, Catapano said in his presentation. (
  • Major complications occurred in 2% (13) in the femoral group and 0.5% (one) in the transradial group, which was not statistically different. (
  • In addition to disagreement about precisely what constitutes an abnormal result, there is some debate in the literature about whether an Allen test is needed before radial artery puncture and how well it predicts complications. (
  • 1 Radial approach in coronary interventions has advantages over the femoral approach with less vascular complications, less access site bleeding and earlier discharge post-procedure. (
  • Bhatt said there's less than a 1 percent chance a patient would experience complications from plaque breaking off and traveling downstream in the same artery to cause a heart attack. (
  • 1 Use of the radial access site is an established method for reducing vascular and bleeding complications. (
  • The mean total fluoroscopy time for the procedure was similar between the two patient cohorts (20.31 ± 11.68 for radial vs 18.49 ± 11.78 minutes for femoral, p = 0.898). (
  • Percutaneous coronary intervention, or PCI, is a nonsurgical procedure to treat the narrowing of coronary arteries. (
  • If access was gained via the radial artery the patient will be able to get off the table and walk out immediately following the procedure. (
  • Despite the multiple advantages of the transradial access route, many cardiologists remain unconvinced and unwilling to change practice, as the radial access procedure is technically more challenging, with a steep learning curve. (
  • From these data we identified all patients in whom the procedure was initially started using the radial artery vascular access, but were converted during the procedure to a femoral artery access route. (
  • All cases who had an initial radial artery vascular access approach had routine pre-procedure sublingual glyceryl trinitate 400-800 µg. (
  • With increase in R&D for new products that overcome the current drawbacks such as increased radiation exposure and simplifying the procedure could enhance the adoption rate for radial access catheters significantly. (
  • However, results of several large, randomized clinical trials in recent years have shown advantages in performing the procedure through the radial artery in the wrist. (
  • With the femoral approach, patients have to stay in the hospital on bed rest for two to four hours after the procedure to prevent bleeding and have greater limitations upon discharge. (
  • Uterine Artery Embolization (UAE) is a minimally invasive procedure that shrinks fibroids by depriving them of blood and nutrients that allow them to grow. (
  • For more information about the Uterine Artery Embolization procedure at Good Samaritan Hospital call (213) 977-2239. (
  • An angioplasty is a less invasive procedure that opens a clogged artery with a small balloon. (
  • The procedure was transmitted live from Toulouse, France during the AIM Radial scientific session. (
  • Radial and femoral artery pressures , systemic vascular resistance , cardiac output and temperature were compared during surgery in all 11 patients . (
  • Particular attention was paid to the analysis of effects of vascular stenoses in different large-sized arteries on ABI in theory. (
  • The vascular stenosis frequently affects the blood pressure and flow of large and middle-sized arteries. (
  • One study showed that, in the absence of peripheral vascular disease , the Allen test was not predictive of ischemia of the hand during or after radial artery cannulation. (
  • 2-4 In the PREVAIL (Prospective REgistry of Vascular Access in Interventions in Lazio region) study, patients who underwent coronary procedures through the radial artery had a statistically significant reduction in both major and minor bleeding (4.2% vs. 1.96%, p=0.03) and death or myocardial infarction (3.1% vs. 0.6%, p=0.005). (
  • The lateral femoral circumflex artery or one of its branches is sometimes used as a source for vascular grafts during coronary artery bypass surgery. (
  • As medical knowledge advanced, however, students of anatomy realized that arteries carry blood and only the windpipe and bronchial tubes carry air. (
  • Major adverse cardiac event was defined as death, myocardial infarction, abrupt vessel closure, or coronary artery bypass surgery. (
  • In RIFLE, 1001 STEMI patients were randomised to radial or femoral access, with the radial group benefiting from a highly significant 46% reduction in cardiac mortality(4). (
  • Coronary artery disease (CAD) is the most common pathology which prepossesses cardiologists and cardiac surgeons in the past century. (
  • Cardiac catheterizations are one of the most common diagnostic procedures for heart patients and are also commonly used to treat certain cardiac conditions like blocked or narrowed arteries that result in a heart attack. (
  • Within the Froedtert & the Medical College of Wisconsin health network, more than half of all cardiac catheterizations are done using a transradial approach (through the radial artery). (
  • The present invention provides improved methods of creating hemostasis or control of bleeding at the site of wounds, particularly wounds created in arteries during procedures employing percutaneous access. (
  • The radial artery (RA) is the preferred access site for percutaneous coronary interventions. (
  • Radial versus femoral access for primary percutaneous coronary intervention: is there a preferred route to the heart? (
  • In the US, the overall rate of radial use remains at 10-16% of percutaneous coronary intervention (PCI) procedures. (
  • Percutaneous coronary intervention (PCI) is a technique for revascularization for high-grade coronary artery stenosis. (
  • [4] When it is blocked through atherosclerosis , percutaneous intervention with access from the opposite femoral may be needed. (
  • The princeps pollicis artery branches from the radial artery near the wrist and extends into the hand toward the thumb. (
  • The pulse is checked at the wrist, where the radial artery is closest to the surface. (
  • Now, OU Medicine cardiologists can perform the same procedures through the radial or wrist artery, which allows patients to experience shorter recovery times. (
  • Secondary access was achieved through the pedal or popliteal artery. (
  • It enters and passes through the adductor canal , and becomes the popliteal artery as it passes through an opening in adductor magnus near the junction of the middle and distal thirds of the thigh. (
  • If the femoral artery has to be ligated surgically to treat a popliteal aneurysm , blood can still reach the popliteal artery distal to the ligation via the genicular anastomosis . (
  • Developmental occlusive disease of the abdominal aorta and the splanchnic and renal arteries. (
  • A thin, flexible wire is inserted into either the femoral artery or the radial artery and threaded toward the heart until it is in the ascending aorta. (
  • After the femoral artery was cannulated, and good pulsatile flow was observed, an .035-inch J-tip guidewire was advanced through the needle into the femoral artery, iliac artery, and descending aorta without resistance. (
  • This demonstrated postsurgical inflammatory changes, supraaortic vessels only 2 mm from the sternum, aneurysmal dilatation of the aortic root, ascending aorta, and aortic arch, tortuosity and dilatation of supraaortic vessels, aberrant right subclavian artery, and a normal descending aorta (Figures 1 and 2). (
  • Three-dimensional CT reconstruction showing aneurysmal dilatation of the aortic root, ascending aorta, and aortic arch, tortuosity of supraaortic vessels, and aberrant right subclavian artery. (
  • The superior adrenal artery is a branch of the inferior phrenic artery, the middle adrenal artery is a branch of the aorta, and the inferior adrenal artery is a branch of the renal artery. (
  • Ductus arteriosus involves a series of subclinical (endothelial dysfunction) to clinical level (atherosclerotic plaque and target organ damage) alterations including changes in large arteries, elastic type, like aorta, and also in small muscular arteries like peripheral arteries type. (
  • Spasm is the most common complication of radial artery cannulation and may be reduced by administering ample patient sedation, using smaller-caliber sheaths, and using antispasmodic medications. (
  • As a last resort, a surgical cutdown can be performed for cannulation of the radial artery. (
  • Many experts recommend that an Allen test be performed before radial artery cannulation is initiated. (
  • Patients with abnormal test results have safely undergone radial artery cannulation, and patients with normal results have experienced hand ischemia. (
  • Multiple arteries are available for easy cannulation and transduction. (
  • A method for identifying the depth of insertion of a transluminal device into an artery or vein based on the presence of pressurized blood internal to the vessel and the absence of pressurized blood external to the vessel is also provided. (
  • 6. The introducer of claim 4 , wherein said wound site is formed in an artery or vein, and at least a portion of said first and said second ends are placed at opposing ends of said wound site and transverse to a long axis of said artery or vein. (
  • Its first three or four centimetres are enclosed, with the femoral vein , in the femoral sheath . (
  • The femoral vein intervenes between the artery and the adductor longus. (
  • It is related to the femoral vein in the upper part of its course. (
  • The major reservations are mostly from a lack of experience and familiarity with techniques of access, as well as issues regarding size and compatibility of larger guide catheters with radial access," he said. (
  • The diagnostic catheters are used to ascertain whether a patient will need revascularization-bypass or angioplasty-to treat their coronary artery disease. (
  • Such factors are slowing down the adoption of radial access catheters globally. (
  • The catheters segment is expected to take a substantial share of the radial access catheters market primarily due to the high cost of the product. (
  • These radial access catheters are used for a number of applications that include drug administration, blood transfusion, diagnosis, testing and other similar applications. (
  • The published literature does not support a higher infection rate in femoral artery catheters when compared to radial artery catheters. (
  • Methods and results: The EXCEL trial was a prospective, international, open-label, multicentre trial that randomised 1,905 patients with LM disease and SYNTAX scores ≤32 to PCI with everolimus-eluting stents versus coronary artery bypass grafting. (
  • In spite of the last guidelines that offer stents for single or multiple vessels disease, the fact is that surgical revascularization has better outcomes in all groups of coronary artery patients. (
  • The puncture site for the femoral artery should be below the inguinal ligament to allow control of bleeding and prevention of bleeding into the pelvis. (
  • After anesthetizing the skin over the artery of choice, the artery is accessed by a needle puncture. (
  • This is done bilaterally from the initial puncture site as unilateral uterine artery embolizations have a high risk of failure. (
  • The artery is accessed by a needle puncture. (
  • With the wire still in the artery, we advanced the needle over the wire into the puncture site. (
  • Manual compression (MC) has traditionally been used to achieve hemostasis after femoral artery puncture. (
  • Structure and function of the carotid artery (intima-media thickness, distensibility, Young's elastic modulus), aortic pulse wave velocity and the systolic augmentation index. (
  • A tortuous and kinked carotid artery may produces what? (
  • it is part of the circle of Willis, and it branches from the internal carotid artery at the base of the brain. (
  • The femoral artery may be best palpated below the inguinal ligament, midway between the anterior superior spine of the ilium and the symphysis pubis. (
  • However, little is known on patients with prior coronary artery bypass graft (CABG). (
  • There were significant interactions for the primary outcome of death/myocardial infarction/stroke/non-coronary artery bypass graft-related major bleeding (p = 0.025), the secondary outcome of death/myocardial infarction/stroke (p = 0.011) and mortality (p = 0.001). (
  • It typically branches off from the deep femoral artery, although in a minority of cases (15 percent) it arises directly from the femoral artery. (
  • Methods We compared efficacy and bleeding outcomes in patients randomized to radial versus femoral access in RIVAL (RadIal Vs femorAL access for coronary intervention trial) (N = 7,021) separately in those with STEMI (n = 1,958) and NSTEACS (n = 5,063). (
  • Aims: We sought to compare clinical outcomes and procedural characteristics with transradial access (TRA) versus transfemoral access (TFA) in patients who were treated with PCI for left main (LM) coronary artery disease. (
  • In this study, the authors aimed to investigate procedural and clinical outcomes between radial and femoral artery access in patients undergoing thrombectomy for acute stroke. (
  • In this paper, which updates UK radial experience, we report the outcomes in a single UK centre in developing a transradial access programme. (
  • There was no significant difference in the clinical characteristics of the patients who underwent femoral versus radial RA. (
  • Additionally measurements included pH , PaO2, PaCO2, central venous pressure , pulmonary artery pressure and mixed venous oxygen saturation. (
  • The right atrium receives and holds deoxygenated blood from the superior vena cava, inferior vena cava and coronary sinus and then sends down to the right ventricle which in turn sends it to the pulmonary trunk and artery for pulmonary circulation. (
  • As with any surgical patient, it would also be important to understand all underlying comorbidities-in particular, whether there is coexisting coronary artery disease, congestive heart failure, pulmonary disease, renal disease, or history of cerebrovascular disease. (
  • Access in either the left or right femoral artery is possible and depends on the type of intervention or diagnostic. (
  • Using propensity score methodology, 3,198 patients with femoral access were randomly matched to 3,198 patients with radial access based on clinical, angiographic, and procedural characteristics. (
  • Special Clinical Interests: Management of acute coronary syndromes, Coronary artery disease, Radial access angiopraphy and intervention. (
  • Clinical symptoms, despite optimal medical therapy, were vertebrobasilar insufficiency (including vertigo, recurrent syncope) in all cases, prior posterior cerebrovascular incident in 5 (33.3%) cases, upper extremity exertional ischemia in 9 (60%) cases and subclavian-coronary steal syndrome in 1 (6.7%) patient after coronary artery bypass grafting. (
  • Finally, there has been the hard work of running clinical trial, studies, and meta-analyses, comparing the femoral and radial approaches. (
  • [4] These comorbidity conditions include, aortic aneurysm , aortic stenosis , diabetes , obesity , renal insufficiency, unstable angina , uncontrolled hypertension , and extensive three-vessel coronary artery disease . (
  • The left anterior descending (LAD) coronary artery had a proximal to mid 99% stenosis with TIMI-2 flow. (
  • The prevalence of subclavian artery (SA) stenosis in the general population is about 2% [1]. (
  • however, coexisting stenosis of these arteries is uncommon. (
  • Between February 2007 and July 2015 fifteen cases of patients with severe, symptomatic subclavian and vertebral artery stenosis were retrospectively extracted from the SA/VA angioplasty database in a single, high-volume center. (
  • B) By 20 cm DSA image, the precise morphology of left common iliac artery ulcerated lesion and tight stenosis of left external iliac artery are well visualized. (
  • The femoral artery: between the symphysis pubis and anterior superior iliac spine. (
  • We, at Angioplasty.Org, began evangelizing for this approach in 2007, when we created our ' Radial Access Center for Transradial Approach ,' a special section devoted to information and news about the transradial technique, for both patients and physicians. (
  • Renal Nerve Ablations are tipically performed via femoral artery access. (
  • Terumo and AngioCare Medical Co., Ltd. developed the specially designed Iberis™ System which facilitates radial access to the renal artery for a less invasive treatment. (
  • Nazir S, Nesheiwat Z, Syed MA, Gupta R. Severe radial artery spasm causing entrapment of the terumo radial to peripheral destination slender sheath: A case report. (
  • Radial access for peripheral interventions interventional cardiology clinics. (
  • The majority of subclavian artery stenoses occur proximally to the origin of the VA, leading to VA flow reversal. (
  • The primary objective of this study is to evaluate the safety and efficacy of simultaneous subclavian and vertebral artery stenting. (
  • Central lines may be single or multiple lumen, and are typically placed in the subclavian, internal jugular, or femoral veins. (
  • The lateral femoral circumflex artery supplies oxygenated blood to the anterior (front) and middle portions of the thigh muscles. (
  • The peroneal artery supplies blood to the lateral (or outer-side) portion of the leg. (
  • branches , lateral circumflex femoral, medial circumflex femoral, terminating in three or four perforating arteries. (
  • The profunda femoris artery is a large and important branch that arises from the lateral side of the femoral artery about 1.5 in. (
  • At its origin, it gives off the medial and lateral femoral circumflex arteries, and during its course it gives off three perforating arteries. (
  • The direction of the needle in the femoral artery can be against blood flow (retro-grade), for intervention and diagnostic towards the heart and opposite leg, or with the flow (ante-grade or ipsi-lateral) for diagnostics and intervention on the same leg. (
  • We previously showed that using the radial artery access site as opposed to the femoral artery site decreases the radiation exposure of patients during coronary artery interventions. (
  • The objective of this study was to compare radiation exposure levels of the operating physician during coronary interventions when incorporating both radial and femoral artery approaches. (
  • The femoral artery systolic pressure was higher than the corresponding radial artery pressures during the operation. (
  • Society of Interventional Radiology position statement: prostate artery embolization for treatment of benign disease of the prostate. (
  • Objectives The purpose of this prospective study was to evaluate the acute success and complication rates of combined transradial and transpedal access for femoral artery intervention. (
  • After propensity-adjusted analysis, transfemoral access procedures were found to be a major risk factor for a complication compared with transradial approaches," said first author Joshua Catapano, MD, in reporting on the experience with a "radial first" policy at the Barrow Neurological Institute, in Phoenix, Arizona. (
  • In the PCI group, bleeding and complication rates were 1.2 percent in the radial group compared to 2.9 percent in the femoral group (p=0.12). (
  • Within the radial group, conversion to femoral access was often due to radial artery spasm (42.9 percent among the patients who converted). (
  • Examples of muscular arteries include the radial artery, femoral artery and the splenic artery. (
  • The radial approach may be preferred in STEMI patients when the operator has considerable radial experience. (
  • To our knowledge, since a discouraging paper published in 1998, 8 this is the first large single-centre study that has assessed conversion rate from radial to femoral approach in a UK centre. (
  • In fact, in patients experiencing a heart attack, there may be a survival benefit of the transradial approach compared to femoral access. (
  • How an entire profession is managing this transition from the femoral to radial approach has been nothing less than revolutionary. (
  • Radial PCI is becoming more common and our aim was to investigate whether the radial route with sheath size limited to 6/7F would offer equivalent rates of procedural success. (
  • There was a significant difference in sheath size (femoral 7[6-8] vs. radial 6[6-7], p=0.002), but no difference in the choice of 1st or 2nd burr(1.25 vs. 1.75, p=NS). (
  • Our data do not suggest an increase rate of failure using the radial route despite the fact smaller sheath sizes were utilized. (
  • This is not surprising since a reduction in femoral route is probably accompanied by a reduction in proficiency with obtaining FA as well as in managing FA site after sheath removal. (
  • An access sheath and guidewire are then introduced into the artery. (
  • The 6 French (Fr) sheath was advanced over the wire, but stopped at the anterior wall of the artery. (
  • Using balloon anchor technique, the crossover sheath was advanced to contralateral iliac artery. (
  • Examiner occludes both radial and ulnar arteries while patient makes fist. (
  • Radial and ulnar arteries remain occluded after hand is opened. (
  • Objectives The purpose of this study was to determine the consistency of the effects of radial artery access in patients with ST-segment elevation myocardial infarction (STEMI) and in those with non-ST-segment elevation acute coronary syndrome (NSTEACS). (
  • Background The safety associated with radial access may translate into mortality benefit in higher-risk patients, such as those with STEMI. (
  • Conclusions In patients with STEMI, radial artery access reduced the primary outcome and mortality. (
  • We investigated when the pressure gradient developed and what mechanism could be responsible by comparing femoral to radial artery pressure in 11 patients undergoing liver transplantation . (
  • The majority of patients underwent thrombolysis in cerebral infarction score 2b/3 revascularization, regardless of access site (92.3% for radial vs 94.2% for femoral, p = 0.696). (
  • In most patients, the palmar arches are supplied by both the radial artery and the ulnar artery. (
  • Although this is a valid point, we addressed this issue in the discussion section of our paper, noting that when the RIVAL patients were excluded there was still a substantial mortality reduction of 31% in the radial access group. (
  • I see patients with any cardiovascular problems including coronary artery disease, heart failure and arrhythmias. (
  • A total of 1,787 patients were randomized (893 to radial access, 894 to femoral access), 691 of those who underwent PCI (345 radial access and 346 femoral access). (
  • Findings suggest that an initial strategy of radial access is reasonable and may be preferred in women, with the recognition that a proportion of patients will require bailout to femoral access," Dr. Rao added. (
  • As we discuss further, a subgroup of patients with stable CAD may benefit from revascularization of hemodynamically significant coronary artery lesions and experience improvement in symptoms and quality of life. (
  • The study concluded that in patients with stable coronary artery disease and functionally significant stenoses, FFR-guided PCI plus the best available medical therapy, as compared with the best available medical therapy alone, decreased the need for urgent revascularization. (
  • With both uterine arteries occluded, abundant collateral circulation prevents uterine necrosis, and the fibroids decrease in size and vascularity as they receive the bulk of the embolization material. (
  • Physicians may want to assess the collateral circulation if cannulating the smaller arteries such as the radial or dorsalis pedis arteries. (
  • It enters the thigh from behind the inguinal ligament as the common femoral artery , a continuation of the external iliac artery . (
  • A): in LAO view, stump is hidden and occluded lesion overlaps with internal iliac artery. (
  • Uterine artery embolization is used to treat bothersome bulk-related symptoms or abnormal or heavy uterine bleeding due to uterine fibroids or for the treatment of adenomyosis. (
  • Uterine artery embolization also appears to require more repeat procedures than if surgery was done initially. (
  • Uterine artery embolization is thought to work because uterine fibroids have abnormal vasculature together with aberrant responses to hypoxia (inadequate oxygenation to tissues). (
  • Uterine artery embolization can also be used to control heavy uterine bleeding for reasons other than fibroids, such as postpartum obstetrical hemorrhage. (
  • Uterine artery embolization (UAE) is indicated for relief of bothersome, bulk-related symptoms and abnormal uterine bleeding, also known as menorrhagia. (
  • The word is derived from the ancient Greek artēriā, a word originally applied to any of the vessels that emanated from the chest cavity, including arteries, veins, and the bronchial tubes. (
  • A muscular artery (or distributing artery) is a medium-sized artery that draws blood from an elastic artery and branches into "resistance vessels" including small arteries and arterioles. (
  • In constricted vessels, the elastic lamina of muscular arteries appears thick and kinky. (
  • The coronary arteries are known as "epicardial vessels" as they are located in the epicardium, the outermost layer of the heart. (
  • The posterior scrotal artery is made up of a group of blood vessels found near the external genitalia of the male human body. (
  • It passes medially behind the femoral vessels and enters the medial fascial compartment of the thigh . (
  • It is important to select the right patient for radial artery intervention. (
  • Conclusions Femoral artery intervention can be safely and effectively performed using radial and pedal access with acceptable morbidity and a high technical success rate. (
  • In fact, the data on access site utilisation in 2010 from the British Cardiovascular Intervention Society (BCIS) database indicates that the majority (51%) of all UK PCI is now performed via radial access (3). (