Stents: Devices that provide support for tubular structures that are being anastomosed or for body cavities during skin grafting.Drug-Eluting Stents: Stents that are covered with materials that are embedded with chemicals that are gradually released into the surrounding milieu.Coronary Restenosis: Recurrent narrowing or constriction of a coronary artery following surgical procedures performed to alleviate a prior obstruction.Sirolimus: A macrolide compound obtained from Streptomyces hygroscopicus that acts by selectively blocking the transcriptional activation of cytokines thereby inhibiting cytokine production. It is bioactive only when bound to IMMUNOPHILINS. Sirolimus is a potent immunosuppressant and possesses both antifungal and antineoplastic properties.Prosthesis Design: The plan and delineation of prostheses in general or a specific prosthesis.Angioplasty, Balloon, Coronary: Dilation of an occluded coronary artery (or arteries) by means of a balloon catheter to restore myocardial blood supply.Treatment Outcome: 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.Coronary Thrombosis: Coagulation of blood in any of the CORONARY VESSELS. The presence of a blood clot (THROMBUS) often leads to MYOCARDIAL INFARCTION.Metals: Electropositive chemical elements characterized by ductility, malleability, luster, and conductance of heat and electricity. They can replace the hydrogen of an acid and form bases with hydroxyl radicals. (Grant & Hackh's Chemical Dictionary, 5th ed)Coated Materials, Biocompatible: Biocompatible materials usually used in dental and bone implants that enhance biologic fixation, thereby increasing the bond strength between the coated material and bone, and minimize possible biological effects that may result from the implant itself.Coronary Angiography: Radiography of the vascular system of the heart muscle after injection of a contrast medium.Cardiovascular Agents: Agents that affect the rate or intensity of cardiac contraction, blood vessel diameter, or blood volume.Paclitaxel: A cyclodecane isolated from the bark of the Pacific yew tree, TAXUS BREVIFOLIA. It stabilizes MICROTUBULES in their polymerized form leading to cell death.Ultrasonography, Interventional: 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.Follow-Up Studies: 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.Peripheral Nerves: The nerves outside of the brain and spinal cord, including the autonomic, cranial, and spinal nerves. Peripheral nerves contain non-neuronal cells and connective tissue as well as axons. The connective tissue layers include, from the outside to the inside, the epineurium, the perineurium, and the endoneurium.Coronary Stenosis: Narrowing or constriction of a coronary artery.Coronary Vessels: The veins and arteries of the HEART.Blood Vessel Prosthesis Implantation: Surgical insertion of BLOOD VESSEL PROSTHESES to repair injured or diseased blood vessels.Thrombosis: Formation and development of a thrombus or blood clot in the blood vessel.Coronary Artery Disease: Pathological processes of CORONARY ARTERIES that may derive from a congenital abnormality, atherosclerotic, or non-atherosclerotic cause.Angioplasty, Balloon: 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.Time Factors: Elements of limited time intervals, contributing to particular results or situations.Blood Vessel Prosthesis: Device constructed of either synthetic or biological material that is used for the repair of injured or diseased blood vessels.Absorbable Implants: Implants constructed of materials designed to be absorbed by the body without producing an immune response. They are usually composed of plastics and are frequently used in orthopedics and orthodontics.Constriction, Pathologic: The condition of an anatomical structure's being constricted beyond normal dimensions.Platelet Aggregation Inhibitors: Drugs or agents which antagonize or impair any mechanism leading to blood platelet aggregation, whether during the phases of activation and shape change or following the dense-granule release reaction and stimulation of the prostaglandin-thromboxane system.Alloys: A mixture of metallic elements or compounds with other metallic or metalloid elements in varying proportions.Foreign-Body Migration: Migration of a foreign body from its original location to some other location in the body.Myocardial Infarction: NECROSIS of the MYOCARDIUM caused by an obstruction of the blood supply to the heart (CORONARY CIRCULATION).Iliac Artery: Either of two large arteries originating from the abdominal aorta; they supply blood to the pelvis, abdominal wall and legs.Equipment Design: Methods of creating machines and devices.Percutaneous Coronary Intervention: A family of percutaneous techniques that are used to manage CORONARY OCCLUSION, including standard balloon angioplasty (PERCUTANEOUS TRANSLUMINAL CORONARY ANGIOPLASTY), the placement of intracoronary STENTS, and atheroablative technologies (e.g., ATHERECTOMY; ENDARTERECTOMY; THROMBECTOMY; PERCUTANEOUS TRANSLUMINAL LASER ANGIOPLASTY). PTCA was the dominant form of PCI, before the widespread use of stenting.Tunica Intima: The innermost layer of an artery or vein, made up of one layer of endothelial cells and supported by an internal elastic lamina.Tubulin Modulators: Agents that interact with TUBULIN to inhibit or promote polymerization of MICROTUBULES.Peripheral Vascular Diseases: Pathological processes involving any one of the BLOOD VESSELS in the vasculature outside the HEART.Drug Implants: Small containers or pellets of a solid drug implanted in the body to achieve sustained release of the drug.Immunosuppressive Agents: Agents that suppress immune function by one of several mechanisms of action. Classical cytotoxic immunosuppressants act by inhibiting DNA synthesis. Others may act through activation of T-CELLS or by inhibiting the activation of HELPER CELLS. While immunosuppression has been brought about in the past primarily to prevent rejection of transplanted organs, new applications involving mediation of the effects of INTERLEUKINS and other CYTOKINES are emerging.Prosthesis Failure: Malfunction of implantation shunts, valves, etc., and prosthesis loosening, migration, and breaking.Ticlopidine: An effective inhibitor of platelet aggregation commonly used in the placement of STENTS in CORONARY ARTERIES.Angioplasty: 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.Peripheral Nervous System: The nervous system outside of the brain and spinal cord. The peripheral nervous system has autonomic and somatic divisions. The autonomic nervous system includes the enteric, parasympathetic, and sympathetic subdivisions. The somatic nervous system includes the cranial and spinal nerves and their ganglia and the peripheral sensory receptors.Retrospective Studies: 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.Prospective Studies: 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.Chromium Alloys: Specific alloys not less than 85% chromium and nickel or cobalt, with traces of either nickel or cobalt, molybdenum, and other substances. They are used in partial dentures, orthopedic implants, etc.Retreatment: The therapy of the same disease in a patient, with the same agent or procedure repeated after initial treatment, or with an additional or alternate measure or follow-up. It does not include therapy which requires more than one administration of a therapeutic agent or regimen. Retreatment is often used with reference to a different modality when the original one was inadequate, harmful, or unsuccessful.Polymers: Compounds formed by the joining of smaller, usually repeating, units linked by covalent bonds. These compounds often form large macromolecules (e.g., BIOPOLYMERS; PLASTICS).Bacteroidaceae Infections: Infections with bacteria of the family BACTEROIDACEAE.Peripheral Nervous System Diseases: Diseases of the peripheral nerves external to the brain and spinal cord, which includes diseases of the nerve roots, ganglia, plexi, autonomic nerves, sensory nerves, and motor nerves.Recurrence: The return of a sign, symptom, or disease after a remission.Prosthesis Implantation: Surgical insertion of a prosthesis.Coronary Disease: 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.Catheterization: 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.Hyperplasia: 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.Equipment Failure: Failure of equipment to perform to standard. The failure may be due to defects or improper use.Device Removal: Removal of an implanted therapeutic or prosthetic device.Tracheal StenosisKaplan-Meier Estimate: A nonparametric method of compiling LIFE TABLES or survival tables. It combines calculated probabilities of survival and estimates to allow for observations occurring beyond a measurement threshold, which are assumed to occur randomly. Time intervals are defined as ending each time an event occurs and are therefore unequal. (From Last, A Dictionary of Epidemiology, 1995)Peripheral Arterial Disease: 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.Registries: The systems and processes involved in the establishment, support, management, and operation of registers, e.g., disease registers.Arterial Occlusive Diseases: 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.Myocardial Revascularization: The restoration of blood supply to the myocardium. (From Dorland, 28th ed)Angiography: Radiography of blood vessels after injection of a contrast medium.Femoral Artery: The main artery of the thigh, a continuation of the external iliac artery.Endovascular Procedures: 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.Feasibility Studies: Studies to determine the advantages or disadvantages, practicability, or capability of accomplishing a projected plan, study, or project.Aspirin: The prototypical analgesic used in the treatment of mild to moderate pain. It has anti-inflammatory and antipyretic properties and acts as an inhibitor of cyclooxygenase which results in the inhibition of the biosynthesis of prostaglandins. Aspirin also inhibits platelet aggregation and is used in the prevention of arterial and venous thrombosis. (From Martindale, The Extra Pharmacopoeia, 30th ed, p5)Graft Occlusion, Vascular: Obstruction of flow in biological or prosthetic vascular grafts.Esophageal Stenosis: A stricture of the ESOPHAGUS. Most are acquired but can be congenital.Polytetrafluoroethylene: 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.Angioscopy: Endoscopic examination, therapy or surgery performed on the interior of blood vessels.Risk Factors: 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.Stainless Steel: Stainless steel. A steel containing Ni, Cr, or both. It does not tarnish on exposure and is used in corrosive environments. (Grant & Hack's Chemical Dictionary, 5th ed)Leukocytes, Mononuclear: Mature LYMPHOCYTES and MONOCYTES transported by the blood to the body's extravascular space. They are morphologically distinguishable from mature granulocytic leukocytes by their large, non-lobed nuclei and lack of coarse, heavily stained cytoplasmic granules.Drug Delivery Systems: Systems for the delivery of drugs to target sites of pharmacological actions. Technologies employed include those concerning drug preparation, route of administration, site targeting, metabolism, and toxicity.Risk Assessment: 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)Postoperative Complications: 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.Swine: 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).Aortography: Radiographic visualization of the aorta and its branches by injection of contrast media, using percutaneous puncture or catheterization procedures.Peripheral Nerve Injuries: Injuries to the PERIPHERAL NERVES.Tomography, X-Ray Computed: Tomography using x-ray transmission and a computer algorithm to reconstruct the image.Neointima: 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.Coronary Occlusion: Complete blockage of blood flow through one of the CORONARY ARTERIES, usually from CORONARY ATHEROSCLEROSIS.Radiography, Interventional: Diagnostic and therapeutic procedures that are invasive or surgical in nature, and require the expertise of a specially trained radiologist. In general, they are more invasive than diagnostic imaging but less invasive than major surgery. They often involve catheterization, fluoroscopy, or computed tomography. Some examples include percutaneous transhepatic cholangiography, percutaneous transthoracic biopsy, balloon angioplasty, and arterial embolization.Plastics: Polymeric materials (usually organic) of large molecular weight which can be shaped by flow. Plastic usually refers to the final product with fillers, plasticizers, pigments, and stabilizers included (versus the resin, the homogeneous polymeric starting material). (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)Palliative Care: Care alleviating symptoms without curing the underlying disease. (Stedman, 25th ed)Tomography, Optical Coherence: An imaging method using LASERS that is used for mapping subsurface structure. When a reflective site in the sample is at the same optical path length (coherence) as the reference mirror, the detector observes interference fringes.Equipment Failure Analysis: The evaluation of incidents involving the loss of function of a device. These evaluations are used for a variety of purposes such as to determine the failure rates, the causes of failures, costs of failures, and the reliability and maintainability of devices.Popliteal Artery: The continuation of the femoral artery coursing through the popliteal fossa; it divides into the anterior and posterior tibial arteries.Chi-Square Distribution: A distribution in which a variable is distributed like the sum of the squares of any given independent random variable, each of which has a normal distribution with mean of zero and variance of one. The chi-square test is a statistical test based on comparison of a test statistic to a chi-square distribution. The oldest of these tests are used to detect whether two or more population distributions differ from one another.Aortic Aneurysm, Thoracic: An abnormal balloon- or sac-like dilatation in the wall of the THORACIC AORTA. This proximal descending portion of aorta gives rise to the visceral and the parietal branches above the aortic hiatus at the diaphragm.Swine, Miniature: Genetically developed small pigs for use in biomedical research. There are several strains - Yucatan miniature, Sinclair miniature, and Minnesota miniature.Randomized Controlled Trials as Topic: Works about clinical trials that involve at least one test treatment and one control treatment, concurrent enrollment and follow-up of the test- and control-treated groups, and in which the treatments to be administered are selected by a random process, such as the use of a random-numbers table.Gastric Outlet Obstruction: The hindering of output from the STOMACH into the SMALL INTESTINE. This obstruction may be of mechanical or functional origin such as EDEMA from PEPTIC ULCER; NEOPLASMS; FOREIGN BODIES; or AGING.Silicones: A broad family of synthetic organosiloxane polymers containing a repeating silicon-oxygen backbone with organic side groups attached via carbon-silicon bonds. Depending on their structure, they are classified as liquids, gels, and elastomers. (From Merck Index, 12th ed)Coronary Artery Bypass: 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.Aortic Aneurysm, Abdominal: An abnormal balloon- or sac-like dilatation in the wall of the ABDOMINAL AORTA which gives rise to the visceral, the parietal, and the terminal (iliac) branches below the aortic hiatus at the diaphragm.Iliac Vein: A vein on either side of the body which is formed by the union of the external and internal iliac veins and passes upward to join with its fellow of the opposite side to form the inferior vena cava.Cholangiopancreatography, Endoscopic Retrograde: Fiberoptic endoscopy designed for duodenal observation and cannulation of VATER'S AMPULLA, in order to visualize the pancreatic and biliary duct system by retrograde injection of contrast media. Endoscopic (Vater) papillotomy (SPHINCTEROTOMY, ENDOSCOPIC) may be performed during this procedure.Single-Blind Method: A method in which either the observer(s) or the subject(s) is kept ignorant of the group to which the subjects are assigned.Lymphoma, T-Cell, Peripheral: A group of malignant lymphomas thought to derive from peripheral T-lymphocytes in lymph nodes and other nonlymphoid sites. They include a broad spectrum of lymphocyte morphology, but in all instances express T-cell markers admixed with epithelioid histiocytes, plasma cells, and eosinophils. Although markedly similar to large-cell immunoblastic lymphoma (LYMPHOMA, LARGE-CELL, IMMUNOBLASTIC), this group's unique features warrant separate treatment.Intracranial Aneurysm: Abnormal outpouching in the wall of intracranial blood vessels. Most common are the saccular (berry) aneurysms located at branch points in CIRCLE OF WILLIS at the base of the brain. Vessel rupture results in SUBARACHNOID HEMORRHAGE or INTRACRANIAL HEMORRHAGES. Giant aneurysms (>2.5 cm in diameter) may compress adjacent structures, including the OCULOMOTOR NERVE. (From Adams et al., Principles of Neurology, 6th ed, p841)Ureteral Diseases: Pathological processes involving the URETERS.Jaundice, Obstructive: Jaundice, the condition with yellowish staining of the skin and mucous membranes, that is due to impaired BILE flow in the BILIARY TRACT, such as INTRAHEPATIC CHOLESTASIS, or EXTRAHEPATIC CHOLESTASIS.Intestinal Obstruction: Any impairment, arrest, or reversal of the normal flow of INTESTINAL CONTENTS toward the ANAL CANAL.Atherectomy, Coronary: Percutaneous transluminal procedure for removing atheromatous plaque from the coronary arteries. Both directional (for removing focal atheromas) and rotational (for removing concentric atheromatous plaque) atherectomy devices have been used.Catheterization, Peripheral: Insertion of a catheter into a peripheral artery, vein, or airway for diagnostic or therapeutic purposes.Cerebral Angiography: Radiography of the vascular system of the brain after injection of a contrast medium.Reoperation: A repeat operation for the same condition in the same patient due to disease progression or recurrence, or as followup to failed previous surgery.Proportional Hazards Models: Statistical models used in survival analysis that assert that the effect of the study factors on the hazard rate in the study population is multiplicative and does not change over time.Aneurysm, False: 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.Carotid Stenosis: 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)Lymphocytes: White blood cells formed in the body's lymphoid tissue. The nucleus is round or ovoid with coarse, irregularly clumped chromatin while the cytoplasm is typically pale blue with azurophilic (if any) granules. Most lymphocytes can be classified as either T or B (with subpopulations of each), or NATURAL KILLER CELLS.Cholestasis: Impairment of bile flow due to obstruction in small bile ducts (INTRAHEPATIC CHOLESTASIS) or obstruction in large bile ducts (EXTRAHEPATIC CHOLESTASIS).Cells, Cultured: Cells propagated in vitro in special media conducive to their growth. Cultured cells are used to study developmental, morphologic, metabolic, physiologic, and genetic processes, among others.Ureter: One of a pair of thick-walled tubes that transports urine from the KIDNEY PELVIS to the URINARY BLADDER.Diabetic Angiopathies: VASCULAR DISEASES that are associated with DIABETES MELLITUS.Aneurysm, Dissecting: 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.Acute Coronary Syndrome: An episode of MYOCARDIAL ISCHEMIA that generally lasts longer than a transient anginal episode that ultimately may lead to MYOCARDIAL INFARCTION.Embolization, Therapeutic: 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.Predictive Value of Tests: 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.Fluoroscopy: Production of an image when x-rays strike a fluorescent screen.Intermittent Claudication: 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.Incidence: The number of new cases of a given disease during a given period in a specified population. It also is used for the rate at which new events occur in a defined population. It is differentiated from PREVALENCE, which refers to all cases, new or old, in the population at a given time.Brachytherapy: A collective term for interstitial, intracavity, and surface radiotherapy. It uses small sealed or partly-sealed sources that may be placed on or near the body surface or within a natural body cavity or implanted directly into the tissues.Aortic Coarctation: A birth defect characterized by the narrowing of the AORTA that can be of varying degree and at any point from the transverse arch to the iliac bifurcation. Aortic coarctation causes arterial HYPERTENSION before the point of narrowing and arterial HYPOTENSION beyond the narrowed portion.Drainage: The removal of fluids or discharges from the body, such as from a wound, sore, or cavity.Radiology, Interventional: Subspecialty of radiology that combines organ system radiography, catheter techniques and sectional imaging.T-Lymphocytes: Lymphocytes responsible for cell-mediated immunity. Two types have been identified - cytotoxic (T-LYMPHOCYTES, CYTOTOXIC) and helper T-lymphocytes (T-LYMPHOCYTES, HELPER-INDUCER). They are formed when lymphocytes circulate through the THYMUS GLAND and differentiate to thymocytes. When exposed to an antigen, they divide rapidly and produce large numbers of new T cells sensitized to that antigen.Severity of Illness Index: Levels within a diagnostic group which are established by various measurement criteria applied to the seriousness of a patient's disorder.Saphenous Vein: The vein which drains the foot and leg.Coronary Aneurysm: Abnormal balloon- or sac-like dilatation in the wall of CORONARY VESSELS. Most coronary aneurysms are due to CORONARY ATHEROSCLEROSIS, and the rest are due to inflammatory diseases, such as KAWASAKI DISEASE.Duodenal Obstruction: Hindrance of the passage of luminal contents in the DUODENUM. Duodenal obstruction can be partial or complete, and caused by intrinsic or extrinsic factors. Simple obstruction is associated with diminished or stopped flow of luminal contents. Strangulating obstruction is associated with impaired blood flow to the duodenum in addition to obstructed flow of luminal contents.Beta Particles: High energy POSITRONS or ELECTRONS ejected from a disintegrating atomic nucleus.Sciatic Nerve: A nerve which originates in the lumbar and sacral spinal cord (L4 to S3) and supplies motor and sensory innervation to the lower extremity. The sciatic nerve, which is the main continuation of the sacral plexus, is the largest nerve in the body. It has two major branches, the TIBIAL NERVE and the PERONEAL NERVE.Propensity Score: Conditional probability of exposure to a treatment given observed covariates.Microscopy, Electron, Scanning: Microscopy in which the object is examined directly by an electron beam scanning the specimen point-by-point. The image is constructed by detecting the products of specimen interactions that are projected above the plane of the sample, such as backscattered electrons. Although SCANNING TRANSMISSION ELECTRON MICROSCOPY also scans the specimen point by point with the electron beam, the image is constructed by detecting the electrons, or their interaction products that are transmitted through the sample plane, so that is a form of TRANSMISSION ELECTRON MICROSCOPY.Intubation: Introduction of a tube into a hollow organ to restore or maintain patency if obstructed. It is differentiated from CATHETERIZATION in that the insertion of a catheter is usually performed for the introducing or withdrawing of fluids from the body.Antineoplastic Agents, Phytogenic: Agents obtained from higher plants that have demonstrable cytostatic or antineoplastic activity.Angina Pectoris: The symptom of paroxysmal pain consequent to MYOCARDIAL ISCHEMIA usually of distinctive character, location and radiation. It is thought to be provoked by a transient stressful situation during which the oxygen requirements of the MYOCARDIUM exceed that supplied by the CORONARY CIRCULATION.Aorta, Abdominal: The aorta from the DIAPHRAGM to the bifurcation into the right and left common iliac arteries.Vertebrobasilar Insufficiency: Localized or diffuse reduction in blood flow through the vertebrobasilar arterial system, which supplies the BRAIN STEM; CEREBELLUM; OCCIPITAL LOBE; medial TEMPORAL LOBE; and THALAMUS. Characteristic clinical features include SYNCOPE; lightheadedness; visual disturbances; and VERTIGO. BRAIN STEM INFARCTIONS or other BRAIN INFARCTION may be associated.Endoscopy: Procedures of applying ENDOSCOPES for disease diagnosis and treatment. Endoscopy involves passing an optical instrument through a small incision in the skin i.e., percutaneous; or through a natural orifice and along natural body pathways such as the digestive tract; and/or through an incision in the wall of a tubular structure or organ, i.e. transluminal, to examine or perform surgery on the interior parts of the body.Models, Animal: Non-human animals, selected because of specific characteristics, for use in experimental research, teaching, or testing.Ultrasonography, Doppler, Duplex: 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.Thrombectomy: 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.Disease Models, Animal: 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.Lymphocyte Activation: Morphologic alteration of small B LYMPHOCYTES or T LYMPHOCYTES in culture into large blast-like cells able to synthesize DNA and RNA and to divide mitotically. It is induced by INTERLEUKINS; MITOGENS such as PHYTOHEMAGGLUTININS, and by specific ANTIGENS. It may also occur in vivo as in GRAFT REJECTION.Renal Artery: A branch of the abdominal aorta which supplies the kidneys, adrenal glands and ureters.Models, Cardiovascular: Theoretical representations that simulate the behavior or activity of the cardiovascular system, processes, or phenomena; includes the use of mathematical equations, computers and other electronic equipment.Flow Cytometry: Technique using an instrument system for making, processing, and displaying one or more measurements on individual cells obtained from a cell suspension. Cells are usually stained with one or more fluorescent dyes specific to cell components of interest, e.g., DNA, and fluorescence of each cell is measured as it rapidly transverses the excitation beam (laser or mercury arc lamp). Fluorescence provides a quantitative measure of various biochemical and biophysical properties of the cell, as well as a basis for cell sorting. Other measurable optical parameters include light absorption and light scattering, the latter being applicable to the measurement of cell size, shape, density, granularity, and stain uptake.Deglutition Disorders: Difficulty in SWALLOWING which may result from neuromuscular disorder or mechanical obstruction. Dysphagia is classified into two distinct types: oropharyngeal dysphagia due to malfunction of the PHARYNX and UPPER ESOPHAGEAL SPHINCTER; and esophageal dysphagia due to malfunction of the ESOPHAGUS.Catheters: A flexible, tubular device that is used to carry fluids into or from a blood vessel, hollow organ, or body cavity.Survival Analysis: A class of statistical procedures for estimating the survival function (function of time, starting with a population 100% well at a given time and providing the percentage of the population still well at later times). The survival analysis is then used for making inferences about the effects of treatments, prognostic factors, exposures, and other covariates on the function.Foreign-Body Reaction: Chronic inflammation and granuloma formation around irritating foreign bodies.Ischemia: 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.Anticoagulants: Agents that prevent clotting.Cardiac Catheterization: Procedures in which placement of CARDIAC CATHETERS is performed for therapeutic or diagnostic procedures.Monocytes: Large, phagocytic mononuclear leukocytes produced in the vertebrate BONE MARROW and released into the BLOOD; contain a large, oval or somewhat indented nucleus surrounded by voluminous cytoplasm and numerous organelles.Biodegradable Plastics: Organic polymeric materials which can be broken down by naturally occurring processes. This includes plastics created from bio-based or petrochemical-based materials.Angiography, Digital Subtraction: 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.Vascular Surgical Procedures: Operative procedures for the treatment of vascular disorders.Cholestasis, Extrahepatic: Impairment of bile flow in the large BILE DUCTS by mechanical obstruction or stricture due to benign or malignant processes.Combined Modality Therapy: The treatment of a disease or condition by several different means simultaneously or sequentially. Chemoimmunotherapy, RADIOIMMUNOTHERAPY, chemoradiotherapy, cryochemotherapy, and SALVAGE THERAPY are seen most frequently, but their combinations with each other and surgery are also used.Renal Artery Obstruction: 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).Carotid Artery, Internal: Branch of the common carotid artery which supplies the anterior part of the brain, the eye and its appendages, the forehead and nose.Republic of Korea: The capital is Seoul. The country, established September 9, 1948, is located on the southern part of the Korean Peninsula. Its northern border is shared with the Democratic People's Republic of Korea.Treatment Failure: A measure of the quality of health care by assessment of unsuccessful results of management and procedures used in combating disease, in individual cases or series.Multicenter Studies as Topic: Works about controlled studies which are planned and carried out by several cooperating institutions to assess certain variables and outcomes in specific patient populations, for example, a multicenter study of congenital anomalies in children.Multivariate Analysis: A set of techniques used when variation in several variables has to be studied simultaneously. In statistics, multivariate analysis is interpreted as any analytic method that allows simultaneous study of two or more dependent variables.Subclavian Artery: 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.Patient Selection: Criteria and standards used for the determination of the appropriateness of the inclusion of patients with specific conditions in proposed treatment plans and the criteria used for the inclusion of subjects in various clinical trials and other research protocols.Bronchoscopy: Endoscopic examination, therapy or surgery of the bronchi.Prosthesis Fitting: The fitting and adjusting of artificial parts of the body. (From Stedman's, 26th ed)Endoleak: Postoperative hemorrhage from an endovascular AORTIC ANEURYSM repaired with endoluminal placement of stent grafts (BLOOD VESSEL PROSTHESIS IMPLANTATION). It is associated with pressurization, expansion, and eventual rupture of the aneurysm.Tracheal DiseasesBile Duct Neoplasms: Tumors or cancer of the BILE DUCTS.Anastomosis, Surgical: 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.Acute Disease: Disease having a short and relatively severe course.Peripheral Nervous System Neoplasms: Neoplasms which arise from peripheral nerve tissue. This includes NEUROFIBROMAS; SCHWANNOMAS; GRANULAR CELL TUMORS; and malignant peripheral NERVE SHEATH NEOPLASMS. (From DeVita Jr et al., Cancer: Principles and Practice of Oncology, 5th ed, pp1750-1)Polyurethanes: A group of thermoplastic or thermosetting polymers containing polyisocyanate. They are used as ELASTOMERS, as coatings, as fibers and as foams.Leg: The inferior part of the lower extremity between the KNEE and the ANKLE.Drug Therapy, Combination: Therapy with two or more separate preparations given for a combined effect.Biocompatible Materials: Synthetic or natural materials, other than DRUGS, that are used to replace or repair any body TISSUES or bodily function.Aorta, Thoracic: The portion of the descending aorta proceeding from the arch of the aorta and extending to the DIAPHRAGM, eventually connecting to the ABDOMINAL AORTA.Ankle Brachial Index: Comparison of the BLOOD PRESSURE between the BRACHIAL ARTERY and the POSTERIOR TIBIAL ARTERY. It is a predictor of PERIPHERAL ARTERIAL DISEASE.Logistic Models: Statistical models which describe the relationship between a qualitative dependent variable (that is, one which can take only certain discrete values, such as the presence or absence of a disease) and an independent variable. A common application is in epidemiology for estimating an individual's risk (probability of a disease) as a function of a given risk factor.Rabbits: 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.Survival Rate: The proportion of survivors in a group, e.g., of patients, studied and followed over a period, or the proportion of persons in a specified group alive at the beginning of a time interval who survive to the end of the interval. It is often studied using life table methods.Arteries: The vessels carrying blood away from the heart.Immunoglobulin Fab Fragments: Univalent antigen-binding fragments composed of one entire IMMUNOGLOBULIN LIGHT CHAIN and the amino terminal end of one of the IMMUNOGLOBULIN HEAVY CHAINS from the hinge region, linked to each other by disulfide bonds. Fab contains the IMMUNOGLOBULIN VARIABLE REGIONS, which are part of the antigen-binding site, and the first IMMUNOGLOBULIN CONSTANT REGIONS. This fragment can be obtained by digestion of immunoglobulins with the proteolytic enzyme PAPAIN.Sus scrofa: A species of SWINE, in the family Suidae, comprising a number of subspecies including the domestic pig Sus scrofa domestica.Bronchial DiseasesAntibodies, Monoclonal: Antibodies produced by a single clone of cells.Endothelium, Vascular: Single pavement layer of cells which line the luminal surface of the entire vascular system and regulate the transport of macromolecules and blood components.Intracranial Arteriosclerosis: Vascular diseases characterized by thickening and hardening of the walls of ARTERIES inside the SKULL. There are three subtypes: (1) atherosclerosis with fatty deposits in the ARTERIAL INTIMA; (2) Monckeberg's sclerosis with calcium deposits in the media and (3) arteriolosclerosis involving the small caliber arteries. Clinical signs include HEADACHE; CONFUSION; transient blindness (AMAUROSIS FUGAX); speech impairment; and HEMIPARESIS.Diabetes Complications: Conditions or pathological processes associated with the disease of diabetes mellitus. Due to the impaired control of BLOOD GLUCOSE level in diabetic patients, pathological processes develop in numerous tissues and organs including the EYE, the KIDNEY, the BLOOD VESSELS, and the NERVE TISSUE.Peripheral Blood Stem Cell Transplantation: Transplantation of stem cells collected from the peripheral blood. It is a less invasive alternative to direct marrow harvesting of hematopoietic stem cells. Enrichment of stem cells in peripheral blood can be achieved by inducing mobilization of stem cells from the BONE MARROW.Blood Cells: The cells found in the body fluid circulating throughout the CARDIOVASCULAR SYSTEM.Tantalum: Tantalum. A rare metallic element, atomic number 73, atomic weight 180.948, symbol Ta. It is a noncorrosive and malleable metal that has been used for plates or disks to replace cranial defects, for wire sutures, and for making prosthetic devices. (Dorland, 28th ed)Platelet Glycoprotein GPIIb-IIIa Complex: Platelet membrane glycoprotein complex important for platelet adhesion and aggregation. It is an integrin complex containing INTEGRIN ALPHAIIB and INTEGRIN BETA3 which recognizes the arginine-glycine-aspartic acid (RGD) sequence present on several adhesive proteins. As such, it is a receptor for FIBRINOGEN; VON WILLEBRAND FACTOR; FIBRONECTIN; VITRONECTIN; and THROMBOSPONDINS. A deficiency of GPIIb-IIIa results in GLANZMANN THROMBASTHENIA.
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Peripheral Angioplasty & Stenting | MemorialCare![Characteristic mechanical properties of balloon-expandable peripheral stent systems]. - PubMed - NCBI](data:image/png;base64,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)
Characteristic mechanical properties of balloon-expandable peripheral stent systems]. - PubMed - NCBI
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AngioplastyDiseasePatencyMetallic stentsDrug-Eluting Peripheral StentSuperficial FemoraDiameter2017Market for vascular stentsCarotidExpandable stentOutcomesMetal stentsCategorized into coronary stentsBiliary StentSupera Peripheral Stent SystemIntended for use in the peripheClinicalGraftsRadialPlacement of a stentZilverVascular stent placementRenal artery stentsCardiovascularTubularBioabsorbableBlood vesselsMedtronicGlobal Vascular Stents MarketMinimallyProcedureCoronary Stent SystemAmbulatory Surgical CentersSurface of the stent2016
Angioplasty40
- Peripheral vascular stents including bare metal, drug-eluting, covered and bioabsorbable stents are associated with improved clinical outcomes compared to balloon angioplasty alone. (prnewswire.com)
- SEATTLE, March 7 -- Angioplasty and stenting of small vessels below the knee are successfully staving off amputation among older patients with severe peripheral arterial disease (PAD), researchers said here. (medpagetoday.com)
- Angioplasty and stenting have generally replaced surgery as the first line therapy for earlier stages of PAD as well, he said. (medpagetoday.com)
- Peripheral angioplasty is a minimally invasive procedure. (memorialcare.org)
- Peripheral stents are often implanted in conjunction with balloon angioplasty. (memorialcare.org)
- patients still showing femoral artery stenosis after angioplasty were re-randomized to a second procedure with either the Zilver stent or a bare-metal stent implanted. (medpagetoday.com)
- After one year, 83% of stenoses treated with the Zilver stent remained open, compared with 33% in the angioplasty control group, the FDA said. (medpagetoday.com)
- Among patients failing angioplasty and retreated, 90% of stenoses treated with the Zilver stent remained open,versus 73% of those receiving the bare-metal stent. (medpagetoday.com)
- Stent placement is often part of a PTA (Angioplasty) procedure. (mercy.com)
- Angioplasty with Stent placement usually takes 1-2 hours. (mercy.com)
- With the help of angioplasty or vascular surgery, peripheral vascular stents are placed in the arteries to prevent blockage.Prominent factors that are playing major role in the growth of Peripheral Vascular Stents Market are, growing occurrence of PAD, growing geriatric population, development of new imaging techniques, and rising use of advanced technology for treatment. (millioninsights.com)
- Angioplasty and stent placement is a procedure thats used to help open narrow or blocked arteries. (aarpmedicareplans.com)
- What Is Angioplasty and Stent Placement? (aarpmedicareplans.com)
- If medication and other treatments don't help your PAD, your doctor may opt for angioplasty and stent placement. (aarpmedicareplans.com)
- The growth in the world stents market is primarily attributed to the rising geriatric population, who are more susceptible to strokes and require a stent implant for treatment, technological advancements in stents, increased adoption rate of these devices, and increased risk of restenosis in patients undergoing angioplasty. (beforeitsnews.com)
- The purpose of the study is to evaluate the safety and efficacy of laser atherectomy with balloon angioplasty compared to balloon angioplasty alone in the treatment of above the knee peripheral artery in-stent restenosis. (clinicaltrials.gov)
- Combining a stent designed to hold blood vessels open to allow blood to flow freely through the vessel, with a medication used to prevent renarrowing, may reduce the development of scar tissue, the primary cause of the stent failure, in the months following balloon angioplasty in leg arteries. (montefiore.org)
- First introduced about two decades ago as a bailout technique for suboptimal or failed iliac angioplasty, peripheral vascular stenting gradually emerged as a valuable and versatile tool for a variety of primary and adjuvant applications within non-coronary vasculature. (healthworkscollective.com)
- Existing options for treatment of PAD can include exercise, drug therapy, and other options within the artery, such as percutaneous transluminal angioplasty (PTA, or balloon angioplasty), or bare-metal stenting or surgical bypass. (physiciansweekly.com)
- Major factors contributing to the growth of the global vascular stents market include technological advancements, increasing number of angioplasty procedures, rising burden of vascular diseases, increasing demand for minimally invasive procedures, and rising geriatric population. (reportlinker.com)
- Only 8 percent of patients with de novo lesions needed a reintervention to reopen the artery in the first 12 months - a rate significantly surpassing existing treatments for PAD in the SFA, such as balloon angioplasty and bare metal stents, the company said. (dicardiology.com)
- The RX Herculink Elite Renal Stent System is indicated for use in patients with atherosclerotic disease of the renal arteries following sub-optimal percutaneous transluminal renal angioplasty (PTRA) of a de novo or restenotic atherosclerotic lesion (≤ 15 mm in length) located within 10 mm of the renal ostium and with a reference vessel diameter of 4.0 - 7.0 mm. (ramedix.com)
- Angioplasty and stenting can widen the space inside the artery to restore blood flow and help prevent heart attack or amputation. (hopkinsmedicine.org)
- Angioplasty is sometimes done alone, without stenting. (hopkinsmedicine.org)
- When it is performed for peripheral arty disease, the procedure is called percutaneous transluminal angioplasty (PTA) . (hopkinsmedicine.org)
- A stent is a tube of metal mesh that holds your artery open and may improve the results of angioplasty alone. (hopkinsmedicine.org)
- Why choose Johns Hopkins Heart & Vascular Institute for angioplasty and stenting? (hopkinsmedicine.org)
- BASIL-3 is testing the clinical and cost-effectiveness of drug-coated balloons (DCB), drug-eluting stents (DES), and plain balloon angioplasty with bail-out, bare-metal stent revascularization strategies for severe limb ischemia secondary to femoropopliteal disease. (medscape.com)
- Coronary stents are placed during a coronary angioplasty . (wikipedia.org)
- Vascular stents are commonly placed as part of peripheral artery angioplasty . (wikipedia.org)
- Peripheral arterial angioplasty and stenting is a surgical procedure employed to widen the narrowed arteries in patients with peripheral arterial disease. (berwickintegratedcare.com.au)
- Peripheral angioplasty with stenting is a minimally invasive procedure performed to improve blood flow through the blocked peripheral arteries. (berwickintegratedcare.com.au)
- In peripheral angioplasty, a catheter (a small hallow tube) is inserted through a small incision over an artery in the groin. (berwickintegratedcare.com.au)
- Peripheral angioplasty is often combined with the placement of a stent, a small tubular mesh, inside the artery. (berwickintegratedcare.com.au)
- This acquisition allows CID to extend its portfolio to the large peripheral vascular products field, including self- and balloon-expandable stents and angioplasty catheters. (vascularnews.com)
- CID has now the full ownership of the know-how and intellectual property of the entire stent and catheter angioplasty field, both coronary and peripheral. (vascularnews.com)
- Angioplasty and stent placement are two ways to open blocked peripheral arteries. (adam.com)
- You had procedure that used a balloon catheter to open a narrowed vessel (angioplasty) that supplies blood to the arms or legs (peripheral artery). (adam.com)
- Current treatments for PAD include balloon angioplasty, placement of a covered or open stent, and open bypass surgery. (ucla.edu)
- Technological advancements in stents, increasing number of angioplasty procedures, rising burden of vascular diseases, increasing demand for minimally invasive procedures, and the rising geriatric population are the major factors driving the growth of the market. (marketsandmarkets.com)
Disease13
- Annualized PVS market revenue by type of stent and indication in the lower extremity, annual cost of disease and vascular stent adoption pattern data from 2010-2012 and forecast for seven years to 2019. (prnewswire.com)
- Recent studies such as COBEST have demonstrated the efficacy of the use of covered stents (CS) vs. bare metal stents (BMS) in the treatment of aorto-iliac occlusive disease. (getinge.com)
- The Torus stent graft is designed to treat PAD in the superficial femoral artery by aiding in halting the progression of the disease, rather than solely treat the symptoms, which can allow the disease to advance. (massdevice.com)
- 0.001 for the comparison of SE versus OMC, P=0.02 for ST versus OMC, and P=0.04 for SE versus ST). Although disease-specific quality of life as assessed by the Walking Impairment Questionnaire and Peripheral Artery Questionnaire also improved with both SE and ST compared with OMC, for most scales, the extent of improvement was greater with ST than SE. (nih.gov)
- Vascular disease: Exercise outperforms stenting for claudication in patients with aortoiliac PAD. (nih.gov)
- Stent is further employed as verb for describing the placement of such an equipment, mainly when a disease such as atherosclerosis has pathologically lessened a structure like an artery. (qyresearchreports.com)
- Peripheral vascular disease, is a condition of the blood vessels that leads to narrowing and hardening of the arteries that supply the legs and feet. (trihealth.com)
- Stent" is also used as a verb to describe the placement of such a device, particularly when a disease such as atherosclerosis has pathologically narrowed a structure such as an artery . (wikipedia.org)
- The 2007 Trans Atlantic Intersociety Consensus (TASC) II Working Group for the Management of Peripheral Disease estimated that the prevalence of PAD in Europe and North America to be 27 million, of whom 88,000 are hospitalizations involving lower extremities. (qxmd.com)
- Our group has been examining the utility of covering stents with surface treated thin film nickel titanium to treat a wide range of vascular disease processes. (ucla.edu)
- To assess safety and efficacy of the S.M.A.R.T. Vascular Stent System (Cordis Corp, Fremont, California) in obstructive superficial femoral artery (SFA) disease. (nih.gov)
- Further, the report provides a detailed analysis of the 2012 FDA Approved Stents covering the stent manufacturing company, stent description and targeted disease conditions, and most importantly, the key market capturing features that will drive their growth in the industry. (mynewsdesk.com)
- Cardiovascular Catheterization and Intervention: A Textbook of Coronary, Peripheral, and Structural Heart Disease. (wikipedia.org)
Patency13
- As results showed in the IMPERIAL clinical trial, recently published in The Lancet , patients treated with the Eluvia stent experienced a greater 12-month primary patency (expansion of blood vessels) of 88.5 percent compared to 79.5 percent in patients treated with Zilver®PTX®, a competing stent system. (mountsinai.org)
- The primary endpoints are major adverse events (MAEs) and patency of the stent at 12 months. (dicardiology.com)
- DURABILITY II is a landmark trial intended to study the patency and fracture resistance of placing a single nitinol stent in the superficial femoral artery. (medlatest.com)
- Upon deployment, the stent achieves its predetermined diameter and exerts a constant, outward force to establish patency in the peripheral arteries. (igiasi.gr)
- Placing a metallic stent across an occluded or stenotic blood vessel extends provision of structural support on the inner side and hence serves in maintaining the patency of that vessel along with flow re-establishment through it. (crystalmarketresearch.blog)
- At 1 year the Superaâ„¢ Stent demonstrated primary patency of 91% when nominally* deployed. (cardiovascular.abbott)
- With some peripheral stents, increasing lesion lengths can lead to decreasing patency rates. (cardiovascular.abbott)
- Whether treating simple (TASC A&B) or complex (TASC C&D) lesions, the Superaâ„¢ Stent is associated with impressive, consistent patency performance data. (cardiovascular.abbott)
- Vascular stents are structures that are designed to maintain the patency of a vessel in the body. (google.com)
- SAN DIEGO - A novel stent with sustained paclitaxel release showed superior target-vessel patency at 1 year against the standard paclitaxel-eluting stent for treatment of femoropopliteal artery lesions, in the first such head-to-head comparison. (medscape.com)
- Ureteral stents are used to ensure the patency of a ureter , which may be compromised, for example, by a kidney stone . (wikipedia.org)
- The stent maintains the patency of the artery and prevents it from future narrowing. (berwickintegratedcare.com.au)
- Four patients (2.0%) experienced single-stent strut fracture (type I) at 1 year, without associated loss of stent patency. (nih.gov)
Metallic stents2
- Among these, metallic stents segment generated the highest revenue in 2015 and natural biomaterials segment is estimated to grow at fastest CAGR of 10.5% from 2016-2022. (beforeitsnews.com)
- These devices consist either of compressed metallic stents that open by themselves as soon as they are released or of shape-memory stents manufactured from an alloy combining nickel and titanium (i.e., nitinol) that expands in response to body temperature. (ophthalmologymanagement.com)
Drug-Eluting Peripheral Stent2
- Effective October 1, Cook Medical's Zilver® PTX® Drug-Eluting Peripheral Stent qualifies for new-technology add-on payments under Medicare's hospital inpatient prospective payment system. (cookmedical.com)
- Cook's polymer-free Zilver PTX Drug-Eluting Peripheral Stent is specifically designed and approved to treat PAD affecting the main blood vessel in the thigh, the superficial femoral artery (SFA). (dicardiology.com)
Superficial Femora3
- August 9, 2010 - Enrollment was recently completed in a clinical trial of Medtronic's Complete SE (self-expanding) vascular stent for the treatment of atherosclerosis in the superficial femoral artery (SFA), including the proximal popliteal artery (PPA). (dicardiology.com)
- It seems to be all Covidien news this week, not least the announcement that the company has gained FDA clearance for its EverFlexâ„¢ Self-Expanding Peripheral Stent System for use in the superficial femoral artery (SFA) and/or the proximal popliteal artery (PPA). (medlatest.com)
- Shroë H. Superficial femoral artery PTA or stenting? (cardiovascular.abbott)
Diameter13
- Stenting is intended to improve and maintain the artery luminal diameter. (medtronic.com)
- The fatty plaque or blockage is pressed against the peripheral artery walls enlarging the diameter of the peripheral artery. (memorialcare.org)
- When expanded, all stents had a nominal diameter of 8 mm. (nih.gov)
- While the Bridge trade mark system had the largest profile with a diameter of 2.430 mm, all other stent systems had a significantly smaller diameter ranging from 1.970 mm for the Peiron trade mark to 2.078 mm for the Corinthian IQ trade mark. (nih.gov)
- Large sheaths or guide catheters are required for larger-diameter stents. (medscape.com)
- To evaluate visualization characteristics of the stent, the lumen diameter, intraluminal density and noise were measured. (hindawi.com)
- The mean percentage of the visible stent lumen diameter from the nominal stent diameter was 74.5% ± 5.7 for the medium-sharp kernel, 72.8% ± 6.4 for the medium, 70.8% ± 6.4 for the medium-smooth and 67.6% ± 6.6 for the smooth kernel. (hindawi.com)
- Visible stent lumen diameter varies depending on stent type and scan parameters. (hindawi.com)
- AUC significantly improved from 0.62 to 0.70 when RHI was added to traditional ISR risk factors (diabetes mellitus, total stent length, minimum stent diameter) (p = 0.02). (ahajournals.org)
- Stent diameter from 5 to 8 mm and a length from 30 to 200 mm. (synlas.de)
- 3. The stent delivery system of claim 2 , wherein the hypotube has a tapered section, the tapered section comprising a progressive reduction in diameter toward the distal portion. (google.es)
- 4. The stent delivery system of claim 2 , wherein the hypotube has a diameter ranging from 0.007 to 0.014 inches. (google.es)
- This ultra low-profile, smooth, and non-thrombogenic material is ideally suited to be used in small-diameter peripheral vessels. (ucla.edu)
20176
- Vascular Stents Market is expected to grow at a CAGR of 7.8% during forecasted period 2017-2023. (medgadget.com)
- The research report investigates into the growth trajectory of the Global peripheral vascular stents market research report 2017 market in order to provide valued insights to reader for understanding the structure of the market better. (qyresearchreports.com)
- The Global peripheral vascular stents market research report 2017 market can be thus classified on the basis of end users, raw materials, products, applications, and regions. (qyresearchreports.com)
- Different trends that may negatively or positively impact the growth of the Global peripheral vascular stents market research report 2017 market have also been measured in the report. (qyresearchreports.com)
- The vendor landscape has also been evaluated efficiently in the report of the Global peripheral vascular stents market research report 2017 market. (qyresearchreports.com)
- The Global peripheral vascular stents market research report 2017 market has multinational players functioning on the field with different varieties of products to deliver. (qyresearchreports.com)
Market for vascular stents2
- Geographically, North America commands market for vascular stents. (medgadget.com)
- North America was the largest market for vascular stents in 2016, with the U.S. accounting for a major share of this regional market. (marketsandmarkets.com)
Carotid3
- Acculink is the most extensively implanted* and studied* carotid stent, and is now the only system approved for both high risk and standard surgical risk patients. (ramedix.com)
- Self-Expanding carotid stent, Open-Cell, available in straight and tapered sizes. (igiasi.gr)
- At TriHealth, we use a procedure called stenting, which involves the placement of a tiny tube into your carotid artery, to hold it open. (trihealth.com)
Expandable stent1
Outcomes5
- Superior outcomes have been reported when using covered stents in aorto-iliac occlusions . (getinge.com)
- Secondary end points included free-living step activity, quality of life with the Walking Impairment Questionnaire, Peripheral Artery Questionnaire, Medical Outcomes Study 12-Item Short Form, and cardiovascular risk factors. (nih.gov)
- Malas cautions that patients in the stent group may have had better outcomes because 77 percent of them had what were considered smaller blockages, while 73 percent of those who had bypass surgery had larger ones. (jhu.edu)
- Outcomes for these stents are very similar, so the stents have largely become a commodity product purchased on price rather than clinical data. (dicardiology.com)
- SUPERB Final 3-Year Outcomes Using Interwoven Nitinol Biometric Supera Stent. (cardiovascular.abbott)
Metal stents3
- Through GlobalData's analysis, it is evident that currently the peripheral vascular stent market for the lower extremity is saturated with bare metal stents, followed by covered stents. (prnewswire.com)
- The PVS market is currently dominated by bare metal stents, specifically self-expanding nitinol stents. (prnewswire.com)
- Mainly three types of coronary stents are used, namely, drug-eluting stents, bare metal stents, and bioabsorbable stents. (beforeitsnews.com)
Categorized into coronary stents2
- Based on product type, it is categorized into coronary stents and peripheral/vascular stents. (beforeitsnews.com)
- Based on product, the market is categorized into coronary stents, peripheral stents, and EVAR stent grafts. (marketsandmarkets.com)
Biliary Stent2
- All indications related to the PROTÉGÉ GPS SELF-EXPANDING PERIPHERAL AND BILIARY STENT are not approved globally, please refer to the complete Instructions for Use manual for the indication for Use approved in your geography. (medtronic.com)
- The IntraStentâ„¢ Maxâ„¢ LD biliary stent is your best choice for strength within the IntraStent family. (medtronic.com)
Supera Peripheral Stent System1
- 5. Supera Peripheral Stent System Instructions for Use. (cardiovascular.abbott)
Intended for use in the periphe1
- Veryan Medical's BioMimics 3Dâ„¢ Stent differs from other stents intended for use in the peripheral vasculature by being effectively coiled rather than straight. (medlatest.com)
Clinical14
- However, as clinical data and appropriate reimbursement and costs are established, adoption of innovative stent technologies such as drug-eluting stents and bioabsorbable stents will increase in the future. (prnewswire.com)
- It also provides information about clinical trials in progress, which includes trial phase, trial status, trial start and end dates, and, the number of trials for the key Peripheral Vascular Stents pipeline products. (giiresearch.com)
- A variety of stents for different clinical conditions are available in the market. (beforeitsnews.com)
- Data supporting the safety and effectiveness of the stent came from extensive non-clinical testing including biocompatibility, bench, and animal testing, as well as a clinical trial program. (physiciansweekly.com)
- The stent fractures did not result in any detectable clinical consequences. (physiciansweekly.com)
- Furthermore, a number of bioabsorbable stents for treating PAD are in clinical trials. (reportlinker.com)
- With this trial, Medtronic is partnering with physicians around the world to expand clinical knowledge about a potentially serious health condition while at the same time generating data in support of the safety and efficacy of its Complete SE stent in the treatment of PAD. (dicardiology.com)
- In addition, the Zilver stent was proven during its clinical trial to be the most durable peripheral stent available, suggesting even greater patient safety, according to the clinical trial data, Cook Medical said. (dicardiology.com)
- The CE mark follows the world's largest clinical trial for a peripheral stent, led by Michael Dake, M.D., professor in the department of cardiothoracic surgery at Stanford University Medical School and medical director of the cath/angio laboratories at Stanford University Medical Center, Palo Alto, Calif. The data collected in the Zilver PTX registry involved 791 patients from Europe, Russia, Canada, and Korea and demonstrated highly positive results. (dicardiology.com)
- Following more than 1,200 patients treated worldwide during its clinical evaluation and CE mark approval in July 2009, the first commercial implantations of the Zilver PTX stent were conducted yesterday in a coordinated effort by physicians in the United Kingdom, Germany, France, Holland, Belgium, Sweden, Switzerland and Spain. (dicardiology.com)
- Being able to place one long stent, versus multiple shorter stents, may lead to better long term clinical performance. (medlatest.com)
- On August 18, 2015, FDA issued the final guidance Select Updates for Non-Clinical Engineering Tests and Recommended Labeling for Intravascular Stents and Associated Delivery Systems which updates and augments (but not replaces) this guidance. (fda.gov)
- This document supersedes the guidance "Non-Clinical Engineering Tests and Recommended Labeling for Intravascular Stents and Associated Delivery Systems" dated January 13, 2005. (fda.gov)
- This guidance provides FDA's current thinking on non-clinical engineering tests that are submitted in investigational device exemption applications (IDEs) and premarket approval applications (PMAs) to support the safety and effectiveness of intravascular stents and their associated delivery systems. (fda.gov)
Grafts1
- Stent grafts are also used to treat stenoses in vascular grafts and fistulas used for hemodialysis . (wikipedia.org)
Radial4
- The Corinthian IQ trade mark stent had noticeably the highest radial stiffness. (nih.gov)
- Peripheral vascular stents that expand by themselves after deployment through an appropriate stent-delivery system, applying a constant radial pressure to the artery walls. (ophthalmologymanagement.com)
- In another form, the crimp is composed of a plurality of radial indentations spaced along the body of the stent. (google.com)
- In either case, when the stent is adjacent to a treatment site within the body, the sheath is retracted proximally to expose the stent for radial expansion into contact with the vessel wall. (google.es)
Placement of a stent1
- In the field of medicine, a stent is basically a plastic tube or metal inserted inside the lumen of an anatomic duct or vessel in order to keep the passageway open, and further stenting is the placement of a stent. (qyresearchreports.com)
Zilver13
- According to the FDA, "the study results indicate that treatment with the Zilver PTX stent is at least as safe as treatment with PTA and significantly more effective. (medpagetoday.com)
- The trial is designed to determine the safety and effectiveness of the Zilver® PTXTM drug-eluting stent in treating blockages in the femoropoliteal artery, the major artery in the thigh. (montefiore.org)
- While the add-on payment is in effect, hospitals can receive up to $1,705.25 in additional reimbursement for each patient that is treated on an inpatient basis with Zilver PTX stents. (cookmedical.com)
- It doesn't affect physician reimbursement, hospital reimbursement for outpatient procedures, or ambulatory surgery center (ASC) reimbursement for Zilver PTX stenting procedures performed in the ASC. (cookmedical.com)
- The Zilver PTX Stent includes a small, metal mesh tube called a self-expanding metal stent that keeps an artery open. (physiciansweekly.com)
- At the end of 12 months, 83 percent of narrowings treated with the Zilver PTX stent were still open, compared with 33 percent in the PTA control group. (physiciansweekly.com)
- Researchers detected stent fractures in 1.54 percent of Zilver PTX stents at 12 months. (physiciansweekly.com)
- As part of the approval, the FDA is requiring the manufacturer to conduct a five-year post-approval study of 900 patients treated with the Zilver-PTX Stent to further monitor safety and efficacy. (physiciansweekly.com)
- The Zilver PTX Stent is manufactured by Cook Incorporated of Bloomington, Ind. (physiciansweekly.com)
- Second, by eliminating the need for a polymer, which was left behind on the body of earlier drug-eluting stents after the drug dissolved into the surrounding tissues, Zilver PTX avoids the potential patient risks posed by leaving a permanent foreign, plastic substance in the body. (dicardiology.com)
- In comparisons with other trials published, the Zilver PTX stent showed a reduction in reintervention of between 50 percent and 75 percent, Cook Medical said. (dicardiology.com)
- In the United States, the Zilver PTX drug-eluting stent is an investigational device not available for sale. (dicardiology.com)
- Zilver PTX has 5-year results, and the early attempts at a polymer-based stent fell off after that first year. (medscape.com)
Vascular stent placement5
- What do I need to know about a peripheral vascular stent placement? (drugs.com)
- A peripheral vascular stent placement is a procedure to widen a narrowed artery in your leg or arm. (drugs.com)
- How do I prepare for a peripheral vascular stent placement? (drugs.com)
- What will happen during a peripheral vascular stent placement? (drugs.com)
- What are the risks of a peripheral vascular stent placement? (drugs.com)
Renal artery stents1
- On the basis of type the market is segmented into self-expanding stent, balloon expanding stent, renal artery stents, drug eluting stent and other. (medgadget.com)
Cardiovascular2
- The major driving factor for the growth of global vascular stents market is increasing prevalence of cardiovascular diseases and coronary diseases. (medgadget.com)
- Cardiovascular stents are special implants used to widen blood vessels that have become constricted as a result of calcium deposits. (mpo-mag.com)
Tubular4
- These are tubular devices made up of special fabric that is supported by a rigid metal stent. (news-medical.net)
- Stents can be used in the vascular system in ureters, bile ducts, esophagus, and in many other tubular structures in the human body. (google.com)
- Stents can be tubular or can be made from wire. (google.com)
- 5. The stent delivery system of claim 1 , wherein the tubular sheath includes one or more drainage ports formed in a wall of the tubular sheath at a position of the radially self-expanding tubular vascular stent when the radially self-expanding tubular vascular stent is in the first delivery position. (google.es)
Bioabsorbable20
- Q).How will drug-eluting and bioabsorbable stents fulfil the unmet needs of the peripheral stent market for the lower extremity? (prnewswire.com)
- Q).What is the current perception and adoption of innovative stent platforms such as drug-eluting and bioabsorbable stents in the major markets? (prnewswire.com)
- A majority of pipeline products are drug-eluting bioabsorbable stents. (prnewswire.com)
- Q).As more bioabsorbable stents receive approval, how will new entrants impact the peripheral vascular stent market for the lower extremity? (prnewswire.com)
- The valuation of Global Bioabsorbable Stents Market is USD 395.5 million in 2016. (openpr.com)
- The Bioabsorbable Stents market is estimated to reach USD 3.32 billion in 2022, growing at a CAGR of 42.60% between 2016 and 2022 according to this study. (openpr.com)
- Global Bioabsorbable Stents Market report has been composed based on an in-depth Bioabsorbable Stents market analysis with inputs from industry professionals. (openpr.com)
- The motive of the Bioabsorbable Stents market report is to interpret the trends and forecasts for the Bioabsorbable Stents market over the coming years. (openpr.com)
- The primary focus of the Bioabsorbable Stents market report is to define and specify Past-Current Size, Bioabsorbable Stents Shares, Price, Segment & Forecast up to 2022. (openpr.com)
- Further, the study gives a proper understanding of Bioabsorbable Stents major players, dominant Bioabsorbable Stents market segments, diverse geographic regions and Bioabsorbable Stents market size (revenue). (openpr.com)
- It also offers detailed analysis of Bioabsorbable Stents market dynamics which will influence market during the forecast season. (openpr.com)
- The precise information about an extensive events such as Bioabsorbable Stents technological evolution, tie-ups, procurement, inventive Bioabsorbable Stents business approach, new launches is included in the Bioabsorbable Stents report. (openpr.com)
- Extensive evaluation of all opportunities and challenges in the Bioabsorbable Stents market. (openpr.com)
- Bioabsorbable Stents market latest innovations and key events. (openpr.com)
- In-depth analysis of business strategies of the Bioabsorbable Stents market top players. (openpr.com)
- Decisive analysis about the growth map of Bioabsorbable Stents market for upcoming five years. (openpr.com)
- Beneficial intuition inside crucial technological and market trends impacting the Bioabsorbable Stents market. (openpr.com)
- This report describes the Bioabsorbable Stents market by its major segments containing types, applications and the major geographic regions. (openpr.com)
- The report also analyzes Bioabsorbable Stents key manufacturers operating in the Bioabsorbable Stents market. (openpr.com)
- Finally, the overall study solves various queries for the target audiences, mainly which Bioabsorbable Stents market segments to focus on in the upcoming two to five years for prioritizing efforts and investments. (openpr.com)
Blood vessels2
- A stent implant is most commonly used for the treatment of cardiac abnormalities such as blocked blood vessels. (beforeitsnews.com)
- This is an exciting trial since it is the first evaluation of a drug-eluting stent in blood vessels outside the heart," said Evan Lipsitz, MD, chief of Vascular Surgery at Montefiore and principal investigator of the study. (montefiore.org)
Medtronic3
- Balloon-expandable stents including their delivery systems manufactured by Guidant (OTW Megalink trade mark ), Inflow Dynamics (Antares), Medtronic (AVE Bridge trade mark ), Biotronik (Peiron trade mark ) and Cordis (Corinthian IQ trade mark ) were selected for this study. (nih.gov)
- The key players of Peripheral Vascular Stents Industry are Medtronic, Abbott Laboratories, Cordis Corporation, Boston Scientific, Cook Medical, C.R. Bard and Biotronik. (millioninsights.com)
- The Medtronic Resolute Integrity drug-eluting stent (DES) is among the top three stents on the U.S. market. (dicardiology.com)
Global Vascular Stents Market4
- Global vascular stents market is segmented on the basis of material into metal, standard polymer and biodegradable polymer. (medgadget.com)
- Middle East and Africa accounts the least share in global vascular stents market. (medgadget.com)
- Ltd. (India) are some of the prominent players at the forefront of competition in the Global Vascular Stents Market and are profiled in MRFR Analysis. (medgadget.com)
- The global vascular stents market is projected to reach USD 17.68 billion by 2021 from USD 12.21 billion in 2016, at a CAGR of 7.7% from 2016 to 2021. (reportlinker.com)
Minimally3
- Coronary stents was the highest revenue-generating and fastest growing segment in 2015, registering a CAGR of 9.5% during the analysis period, owing to increasing advances in the field of interventional cardiology coupled with the progress of minimally invasive techniques. (beforeitsnews.com)
- Our study suggests the minimally invasive approach shows real promise, and we are embarking on a large, randomized study of the two procedures to develop guidelines that can be used for determining when a stent is likely to be best and when a bypass cannot be avoided. (jhu.edu)
- In contrast to minimally invasive stenting, a so-called femoral-popliteal bypass requires a large incision to open the leg, and the surgical attachment of a piece of vein or a synthetic tube above and below the blockage to reroute blood flow. (jhu.edu)
Procedure2
- Because angiographically guided stent implantation is a highly specialized procedure, proper equipment is necessary for imaging and for the procedure itself. (medscape.com)
- Patients who received stents had a 31 percent risk of needing another procedure to restore blood flow within 24 months, while those who received a bypass had a 54 percent chance of needing another intervention. (jhu.edu)
Coronary Stent System1
- For instance, in May 2014, Boston Scientific (U.S.) launched the Promus PREMIER Everolimus-eluting Platinum Chromium Coronary Stent System in Japan. (reportlinker.com)
Ambulatory Surgical Centers1
- Peripheral Vascular Stents Market is classified, by end-user into Specialty Clinics, Hospitals, and Ambulatory Surgical Centers. (millioninsights.com)
Surface of the stent3
- The covering may be on the exterior surface of the stent, or on the interior surface of the stent, or both. (google.co.uk)
- This was no easy task, since the outer surface of the stent must be tissue-compatible and the inner surface blood-compatible. (mpo-mag.com)
- To answer this question, the research team built an experiment in which the surface of the stent was exposed to a flow of synthetic blood plasma at varying temperatures, pressures and flow speeds. (mpo-mag.com)
20164
- In July 2016, Abbott Laboratories (U.S.) received the U.S. FDA approval to commercially launch its Absorb bioresorbable heart stent. (reportlinker.com)
- In this report, the global Peripheral Vascular Stents market is valued at USD XX million in 2016 and is expected to reach USD XX million by the end of 2022, growing at a CAGR of XX% between 2016 and 2022. (qyresearchreports.com)
- The global market for peripheral vascular stents is expected to increase at a higher compound annual growth rate (CAGR) during the forecast period of 2016-2021. (crystalmarketresearch.blog)
- 189 Pages Report] The vascular stent market is projected to reach USD 17.68 Billion by 2021 from USD 12.21 Billion in 2016, at a CAGR of 7.7% from 2016 to 2021. (marketsandmarkets.com)
