Safety of drug-coated stents spotlighted
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The two manufacturers of drug-coated stents used to prop open the arteries of about 3 million people in the U.S. say the devices' benefits outweigh their risks, even though patients could face a small but significant risk of blood clots.
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Boston Scientific Corp. found a slightly higher risk of blood clotting in patients implanted with its newer drug-coated stents compared with older bare-metal versions, a company spokesman said Thursday.
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NEW YORK -- Results of a Korean study released yesterday show Cordis Corp.'s Cypher drug-coated stent outperformed Boston Scientific Corp.'s Taxus Express2 stent in a multicenter study.
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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.
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Initial results with a bio-absorbable metal stent show that the novel device works as intended -- to prop open blocked leg arteries before being fully absorbed into the artery wall, so that complications common with standard stents don't occur.
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New drug-releasing stents used widely to keep clogged heart arteries open appear to increase the risk for potentially life-threatening blood clots more than older bare-metal versions, government investigators told an expert panel assessing the safety of the devices today.
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Boston Scientific Corp. BSX.N on   Thursday said an internal analysis confirmed an increased risk   of blood clots with its drug-coated device used to keep   previously clogged arteries open.
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It turns out the common practice of using stents to open the heart may not be right for some patients.
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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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Drug-coated stents that prop open the arteries of about 3 million people in the U.S. don't increase the risk of heart attack or death when used as labeled but may put patients at risk for blood clots, health advisers said Thursday.
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The new drug-coated stents implanted to keep arteries open might increase the risk of a later heart attack if a patient stops taking clot-preventing drugs such as aspirin even briefly, Dutch cardiologists warn.
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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 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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Experts expressed concerns Sunday that drug-coated heart stents &#151; metal-mesh tubes used to prop open coronary arteries &#151; may in rare instances lead to potentially fatal blood clots.
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Johnson & Johnson's drug-coated stent  slightly outperformed Boston Scientific's version in reopening  arteries that had been clogged by lesions following the earlier  insertion of bare-metal stents, a study said on Tuesday.
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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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GAITHERSBURG, Maryland  - The Food and Drug Administration should consider telling patients and doctors that the use of drug-coated heart stents in unapproved, high-risk cases can lead to greater complications, a panel of medical experts said on Friday.