Heart experts warn on safety of drug-coated stents
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Drug-coated stents -- tiny, wire-mesh   tubes used to prop open diseased arteries -- may increase the   risk of potentially fatal blood clots, researchers said on   Sunday.
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Kaiser Permanente, one of the biggest   U.S. health and hospital systems, has begun to study the safety   of drug-coated stents amid new signals that the widely used   heart devices might lead to fatal blood clots.
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GAITHERSBURG, Maryland  - A U.S. advisory panel heard evidence on Thursday about risks of drug-coated stents, the tiny mesh tubes used to prop open arteries in millions of heart patients.
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Blood clotting is four to five times more likely to occur in patients getting drug-coated heart devices known as stents, compared to the older bare-metal variety, according to a large data analysis released on Wednesday.
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The booming market for drug-coated   stents faces an uncertain future as some heart experts question   the long-term safety record of the devices.
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New studies shed some light on these controversial heart treatments, but many questions remain. What patients need to know.
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Even some heart attack patients would be better off if their doctors avoided using drug-coated stents to open their clogged arteries, an international study found, raising new concerns about the devices.
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The concerns that have been raised about the safety of drug-eluting stents at a major cardiology conference shouldn't mean it's time to go back to older treatments, the chief medical and scientific officer of Natick medical technology company Boston Scientific Corp. said yesterday.
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One of the nation's leading   cardiologists is calling for a sweeping study that evaluates   the risks of potentially fatal blood clots related to widely   used heart devices that treat blocked heart arteries.
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NEW YORK - Johnson &amp; Johnson and Boston Scientific Corp. reported new safety data yesterday for drug-coated stents that may help revive sales depressed by prior reports linking the devices to a higher risk of heart attacks.
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Two leading heart experts called for  urgent investigations on Wednesday into whether all painkilling  drugs known as COX-2 inhibitors may raise the risk of heart  attack in some people.
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Johnson &amp; Johnson's drug-coated Cypher heart stent may be better than Boston Scientific's Taxus for repeat procedures to unclog some arteries, according to a study in the Jan. 12 Journal of the American Medical Association.
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Drug-coated stents are safe to implant in cardiac blood vessels immediately after a heart attack, according to two studies in today's New England Journal of Medicine.
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GAITHERSBURG, Maryland  - A U.S. advisory panel began hearing evidence on Thursday about potential risks of drug-coated stents, the tiny tubes used to prop open arteries in millions of heart patients.
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Results of a study showing patients with acute heart attacks are more likely to die if given a drug-coated stent than a bare metal one are out of line with other findings, stent maker Johnson & Johnson said on Tuesday.
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Dutch doctors said on Sunday they had   developed a novel drug-coated stent to stimulate the growth of   natural heart bypass arteries, potentially offering a new way   to ensure blood supply to sick patients' hearts.
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GAITHERSBURG, Maryland  - Drug-coated heart stents deliver benefits that outweigh any risks of blood clots when placed in appropriate patients, a U.S. advisory panel said on Thursday.