Stent News and Research

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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: More PCIs classified as appropriate for acute indications in the U.S.

In an examination of the appropriateness of the widespread use of percutaneous coronary interventions (PCIs), researchers found that of more than 500,000 PCIs included in the study, nearly all for acute indications were classified as appropriate, whereas only about half of PCIs performed for nonacute indications could be classified as appropriate, according to a study in the July 6 issue of JAMA.

6 Jul 2011

Enrollment complete in BIOTRONIK 4EVER clinical trial for treatment of peripheral vascular disease

BIOTRONIK announced today that the full cohort of 120 patients has been successfully enrolled into the physician-initiated 4EVER clinical study. Follow up is scheduled at 1, 6 and 12 months, with immediate and 6 month results potentially available in January 2012.

28 Jun 2011

Spectranetics initiates enrollment in EXCITE clinical trial against femoropopliteal IRS

Spectranetics Corporation today announces the first patient enrollment in the EXCITE ISR (EXCImer Laser Randomized Controlled Study for Treatment of FemoropopliTEal In-Stent Restenosis) clinical trial.

27 Jun 2011

ULMCA PCI with DES a viable option for low-risk patients with normal left ventricular function

23 Jun 2011

UCLA study reports favorable outcomes for angioplasty with stents for low-risk heart patients

Heart bypass surgery is considered the gold standard for most patients with left main coronary artery disease, one of the most serious types of heart disease and one that affects thousands.

23 Jun 2011

Positive results for unprotected left main coronary artery PCI with drug-eluting stents

Patients with normal left ventricular function who undergo elective unprotected left main coronary artery (ULMCA) percutaneous coronary intervention (PCI) with drug-eluting stents (DES) had favorable outcomes according to new research. Results of the multicenter, retrospective study are reported in the June issue of Catheterization and Cardiovascular Interventions, a journal published by Wiley-Blackwell on behalf of The Society for Cardiovascular Angiography and Interventions (SCAI).

22 Jun 2011

Positive results for unprotected left main coronary artery PCI with drug-eluting stents

22 Jun 2011

Only 10% of patients with heart attack transferred to another hospital for PCI in recommended time

Only about 10 percent of patients with a certain type of heart attack who need to be transferred to another hospital for a PCI are transferred within the recommended time of 30 minutes, according to a study in the June 22/29 issue of JAMA.

22 Jun 2011

Genetic biomarker may help identify patients at increased risk of bypass surgery

Outcomes of bypass surgery to repair blocked arteries in the legs tend to be better in the roughly one-in-five people who have inherited a specific genetic variation from both parents, according to a study presented at the late-breaking clinical trials session of the Vascular Annual Meeting in Chicago on June 18, 2011.

20 Jun 2011

Zilver PTX stent more effective than PTA for treatment of femoral artery lesions

Results of a prospective, randomized trial indicate that when treating femoral artery (SFA) lesions, the Zilver PTX Paclitaxel-Eluting Stent shows sustained effectiveness compared to percutaneous transluminal angioplasty, even in diabetic patients.

20 Jun 2011

Surgeons demonstrate potential genetic basis for varying outcomes of leg vein bypass surgery

Vascular Cures, a leading non-profit investing in research to develop breakthrough treatments for vascular disease, announced results that indicate there may be a genetic basis for the varying outcomes of bypass surgery in the legs.

20 Jun 2011

Medtronic Valiant stent graft safe and effective for patients with thoracic aortic aneurysm

An innovative medical device used in the minimally invasive treatment of thoracic aortic aneurysms, the Valiant Thoracic Stent Graft System from Medtronic, Inc., delivered excellent clinical results through one year of patient follow-up in the company's U.S. pivotal study, VALOR II, according to data presented today at a meeting for vascular surgeons.

From Medtronic 20 Jun 2011

Study: Abdominal debrancing with aortic stent grafts linked to high early mortality

The clinical data from 167 patients who underwent abdominal debrancing combined with aortic stent grafts (ADSG) at 12 centers in North America from1999-2010 were released today at the 65th Vascular Annual Meeting® presented by the Society for Vascular Surgery.

20 Jun 2011

Careful, well-designed studies needed for evaluating patients with MS: SIRF panel

Evaluating patients with multiple sclerosis who have narrowed jugular and azygos veins-and the value of widening those veins with angioplasty-warrants careful, well-designed research, noted members of a Society of Interventional Radiology Foundation's Research Consensus Panel.

17 Jun 2011

BDC releases new technology to aid medical device industry with product design testing

Endovascular stents, stent grafts, and transcatheter heart valve (TAVI) devices provide enhanced methods for clinical treatment of cardiac and vascular disease. Further research and product development is currently ongoing worldwide to address complications associated with these devices.

15 Jun 2011

The Lancet publishes final 3-year data from landmark HORIZONS-AMI clinical trial

Data from the landmark HORIZONS-AMI clinical trial demonstrated that the administration of the anticoagulant medication bivalirudin enhanced survival compared to the use of heparin plus a glycoprotein (GP) IIb/IIIa inhibitor in heart attack patients undergoing angioplasty after 3 years. Use of a drug-eluting stent was also shown to be more effective than a bare-metal stent, with equivalent safety.

14 Jun 2011

Ambulance diversion linked to high risk of mortality in patients with acute myocardial infarction

Among Medicare patients with heart attack in 4 California counties, diversion of ambulance traffic by the nearest emergency department for 12 hours or more was associated with an increased risk of death for up to one year, according to a study in the June 15 issue of JAMA.

13 Jun 2011

U.S. District Court rules in favor of Boston Scientific in PROMUS patent lawsuit

Boston Scientific Corporation today announced that the U.S. Court of Appeals for the Federal Circuit affirmed the decision of the U.S. District Court for the District of Delaware, finding all four patents in a suit involving Johnson & Johnson to be invalid.

8 Jun 2011

Stent graft can repair abdominal aortic aneurysm

When Dr. Ross Milner repaired Lydia Strebing's life-threatening abdominal aortic aneurysm, she was astonished at how easy it was. "I've had more pain from dental procedures," she said. "This was nothing." Milner, chief of vascular surgery at Loyola University Hospital, repaired the bulging aneurysm by using a catheter to deploy a device called a stent graft.

8 Jun 2011

IDEV completes enrollment in SUPERA stent trial for treatment of peripheral artery disease

IDEV Technologies, Inc. today announced the completion of enrollment in the SUPERB Trial, an FDA-approved IDE trial evaluating the use of IDEV's SUPERA stent system for treatment of peripheral artery disease in the superficial femoral artery.

3 Jun 2011

Stent News and Research

Further Reading

Study: More PCIs classified as appropriate for acute indications in the U.S.

Enrollment complete in BIOTRONIK 4EVER clinical trial for treatment of peripheral vascular disease

Spectranetics initiates enrollment in EXCITE clinical trial against femoropopliteal IRS

ULMCA PCI with DES a viable option for low-risk patients with normal left ventricular function

UCLA study reports favorable outcomes for angioplasty with stents for low-risk heart patients

Positive results for unprotected left main coronary artery PCI with drug-eluting stents

Positive results for unprotected left main coronary artery PCI with drug-eluting stents

Only 10% of patients with heart attack transferred to another hospital for PCI in recommended time

Genetic biomarker may help identify patients at increased risk of bypass surgery

Zilver PTX stent more effective than PTA for treatment of femoral artery lesions

Surgeons demonstrate potential genetic basis for varying outcomes of leg vein bypass surgery

Medtronic Valiant stent graft safe and effective for patients with thoracic aortic aneurysm

Study: Abdominal debrancing with aortic stent grafts linked to high early mortality

Careful, well-designed studies needed for evaluating patients with MS: SIRF panel

BDC releases new technology to aid medical device industry with product design testing

The Lancet publishes final 3-year data from landmark HORIZONS-AMI clinical trial

Ambulance diversion linked to high risk of mortality in patients with acute myocardial infarction

U.S. District Court rules in favor of Boston Scientific in PROMUS patent lawsuit

Stent graft can repair abdominal aortic aneurysm

IDEV completes enrollment in SUPERA stent trial for treatment of peripheral artery disease

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Bringing real-time analytics to downstream bioprocess monitoring

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