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A stent is a small mesh tube that’s used to treat narrowed or weakened arteries in the body.

You may have a stent placed in an artery as part of a procedure called angioplasty (AN-jee-oh-plas-tee). Angioplasty can restore blood flow through narrowed or blocked arteries. Stents help prevent arteries from becoming narrowed or blocked again in the months or years after treatment with angioplasty. You may also have a stent placed in a weakened artery to improve blood flow and to help prevent the artery from bursting.

Stents are usually made of metal mesh, but sometimes they’re made of fabric. Fabric stents, also called stent grafts, are used in larger arteries. Some stents are coated with medicines that are slowly and continuously released into the artery. These medicines help prevent the artery from becoming blocked again.
Study shows room for improvement in medical management of women with PAD

Study shows room for improvement in medical management of women with PAD

Women face greater limits on their lifestyle and have more severe symptoms as a result of peripheral artery disease (PAD), but minimally invasive procedures used to unclog arteries are just as successful as in men. [More]
Cardiac Catheterization Laboratory of Mount Sinai Heart receives highest "two-star" safety rating

Cardiac Catheterization Laboratory of Mount Sinai Heart receives highest "two-star" safety rating

The Cardiac Catheterization Laboratory of Mount Sinai Heart at The Mount Sinai Hospital has once again received the highest "two-star" safety rating from the New York State Department of Health for its percutaneous coronary interventions (PCI) overall and in non-emergency cases. [More]
InspireMD initiates Voluntary Field Action for MGuard Prime EPS stent dislodgements

InspireMD initiates Voluntary Field Action for MGuard Prime EPS stent dislodgements

InspireMD, Inc., a leader in embolic protection systems (EPS), today announced that it has initiated a Voluntary Field Action (VFA) following recent reports of MGuard Prime EPS stent dislodgements. [More]
RWJUH offers new alternative to open up blocked arteries

RWJUH offers new alternative to open up blocked arteries

Treatment options for high-risk heart patients with severely calcified coronary artery disease (CAD) have been limited for more than 20 years. Now, Robert Wood Johnson University Hospital offers a new alternative to open up blocked arteries. [More]
Abbott completes enrollment of 3 clinical trials to support approval of Absorb Bioresorbable Vascular Scaffold

Abbott completes enrollment of 3 clinical trials to support approval of Absorb Bioresorbable Vascular Scaffold

Abbott (NYSE: ABT) today announced it has completed enrollment of three clinical trials to support approvals of the company's revolutionary Absorb™ Bioresorbable Vascular Scaffold (BVS) in the United States, Japan and China. [More]

Santen announces Phase III results of sirolimus intravitreal injections in non-infectious posterior segment uveitis patients

Santen Inc., the U.S. subsidiary of global ophthalmic pharmaceutical company Santen Pharmaceutical Co., Ltd. (Osaka, Japan), today announced that SAKURA (Study Assessing double‐masKed Uveitis tReAtment) Study 1, the first of two Global Phase III studies evaluating intravitreal injections of sirolimus in patients with non-infectious posterior segment uveitis (NI-PSU), met its primary endpoint. [More]
Boston Scientific presents new data on cardiology-related clinical trials at ACC 2014

Boston Scientific presents new data on cardiology-related clinical trials at ACC 2014

Reinforcing its position as a global leader in bringing new therapies to patients with heart and cardiovascular disease, Boston Scientific Corporation (NYSE: BSX) reported favorable results in studies related to cardiac resynchronization therapy (CRT), platinum chromium stent platforms and transcatheter aortic valve replacement (TAVR). [More]
Study of non-surgically implanted replacement pulmonary valve shows strong results

Study of non-surgically implanted replacement pulmonary valve shows strong results

The first post-FDA approval study of a non-surgically implanted replacement pulmonary valve showed strong short- and mid-term results for the device in patients with certain congenital heart defects, according to research presented by a U-M pediatric interventional cardiologist at the American College of Cardiology's 63rd Annual Scientific Session Sunday. [More]
Heparin proves effective than bivalirudin in patients receiving percutaneous coronary intervention after heart attack

Heparin proves effective than bivalirudin in patients receiving percutaneous coronary intervention after heart attack

In a comparison of two blood-thinning medications, heparin was associated with significantly fewer major cardiovascular events at 28 days than bivalirudin in patients receiving primary percutaneous coronary intervention after a heart attack, according to research presented at the American College of Cardiology's 63rd Annual Scientific Session. [More]
New angiographic analysis examines impact of stent thrombosis in patients undergoing PCI

New angiographic analysis examines impact of stent thrombosis in patients undergoing PCI

A new angiographic analysis of the CHAMPION PHOENIX trial examined the incidence and impact of stent thrombosis (ST) in patients undergoing percutaneous coronary intervention (PCI). Results of the study were released today and will be presented March 30 at the American College of Cardiology 63rd Annual Scientific Session. [More]
Corindus Vascular Robotics to showcase FDA-cleared CorPath System at ACC annual meeting

Corindus Vascular Robotics to showcase FDA-cleared CorPath System at ACC annual meeting

Corindus Vascular Robotics, the leader in precision vascular robotics, will showcase its FDA-cleared CorPath System at the upcoming American College of Cardiology annual meeting, March 29 – 31 in Washington, D.C. [More]

Shimadzu announces FDA approval for new digital angiography systems

Shimadzu Medical Systems USA has announced that a new digital angiography system family has received 510(k) clearance from the U.S. Food and Drug Administration. These are the ceiling-mounted Trinias, the floor-mounted Trinias, and the Biplane models. [More]
Protein known to promote cancer appears to give blood vessels strength and shape, researchers report

Protein known to promote cancer appears to give blood vessels strength and shape, researchers report

A protein known to promote cancer appears to give the blood vessels strength and shape, researchers report. When yes-associated protein, or YAP, is deleted from vascular smooth muscle cells during development, the protein makes thin-walled blood vessels that over-dilate in response to the usual pressure of blood flow, said Dr. Jiliang Zhou, vascular biologist at the Medical College of Georgia at Georgia Regents University. [More]
Concise analysis of the global pediatric interventional cardiology market

Concise analysis of the global pediatric interventional cardiology market

The report "Pediatric Interventional Cardiology Market by Congenital Heart Defect Closure Device [ASD, Ventricular Septal Defect, Patent Ductus Arteriosus, Left Atrial Appendage, Aortic Valve, Pulmonary Valve] & Procedures - Global Forecasts to 2018", analyzes and studies the major market drivers, restraints, opportunities, and challenges in North America, Europe, APAC, and the Rest of the World. [More]
FDA approves expansion of BIOTRONIK's ongoing ProMRI trial

FDA approves expansion of BIOTRONIK's ongoing ProMRI trial

BIOTRONIK, a leading manufacturer of cardiovascular medical devices, announced today that the Food and Drug Administration has approved the expansion of BIOTRONIK's ongoing ProMRI trial. The new phase of the trial (Phase C) will study the company's ProMRI technology in implantable cardioverter-defibrillator (ICD) devices. [More]
Study: NGF-containing fibrin glue membrane can promote peripheral nerve regeneration

Study: NGF-containing fibrin glue membrane can promote peripheral nerve regeneration

Complete regeneration is usually very difficult following peripheral nerve damage, though microsurgical techniques have vastly increased the success rate of surgery to repair the injured nerve. [More]
Report highlights benefits of different access approach to treat uterine fibroids

Report highlights benefits of different access approach to treat uterine fibroids

Interventional radiologists have devised a new way to access a woman's fibroids-by flipping her wrist and treating via an arm not groin artery-to nonsurgically shrink noncancerous growths in the muscular wall of the uterus. Researchers found this to be less painful and traumatic for women, allowing them to immediately sit up and move after uterine fibroid embolization (UFE)-with no overnight stay, according to a March article in the Society of Interventional Radiology's flagship publication, the Journal of Vascular and Interventional Radiology. [More]
Long-term risks of deep vein thrombosis

Long-term risks of deep vein thrombosis

Deep vein thrombosis (DVT) often brings with it the risk of post-thrombotic syndrome (PTS), an under-recognized but serious complication that often causes long-term disability for patients. During March's DVT Awareness Month, the Society of Interventional Radiology wants to help patients and family members to better understand the long-term risks of DVT. [More]
Protamine antidote can be effective in reversing low-molecular-weight heparin

Protamine antidote can be effective in reversing low-molecular-weight heparin

Low-molecular-weight heparin is commonly used in surgeries to prevent dangerous blood clots. But when patients experience the other extreme - uncontrolled bleeding - in response to low-molecular-weight heparin, there is no antidote. [More]
UH Case Medical Center cardiologists perform TAVR procedure under twilight

UH Case Medical Center cardiologists perform TAVR procedure under twilight

University Hospitals Case Medical Center cardiologists Marco Costa, MD, and Dan Simon, MD, are among the first in the country to perform transaortic valve replacements (TAVR) while the patient is in a "twilight" sedation, awake and communicating with them during the procedure. [More]