Transfusion near surgery may up blood clot risk
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NEW YORK  - Transfusion of blood from a donor around the time of surgery appears to increase the risk of blood clots in women, but not in men, according to a new study.
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NEW YORK  - A significant proportion of  blood transfusions given to mothers around the time of birth  may be unnecessary, Canadian researchers report in the journal  Obstetrics and Gynecology.
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Drug-releasing stents used widely to keep clogged heart arteries open may increase the risk of potentially dangerous blood clots, but there is no conclusive evidence that the devices boost the likelihood of having a heart attack or dying if used as recommended, an expert panel said yesterday.
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Drug-coated heart stents on the U.S. market are associated with a small but significant risk of blood clots months after they are implanted, U.S. Food and Drug Administration staff said in documents released on Tuesday.
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A common operation in which plaque is scraped out of an artery in the neck to prevent strokes is providing a dubious benefit to patients in as many as half of all surgeries, new Canadian research suggests.
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NEW YORK  - A slight delay in cutting the umbilical cord of a preterm infant may reduce the need for blood transfusions and prevent brain hemorrhage, according to a new report in.
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Certain low-dose birth control pills increase a woman's risk of a potentially deadly blood clot more than others and should be pulled off the market, a consumer group said Tuesday.
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Oct. 18, 2004 -- Premature babies may be less likely to need blood transfusions if their umbilical cords are cut a bit later than normal.
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A widely publicized study that has  already linked hormone replacement therapy to an increased risk  of stroke, heart attack and some cancers also uncovered a blood  clot hazard, researchers reported on Tuesday.
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Imagine making an emergency call not for help getting to the hospital but after you've already arrived there. That's what Ray Clement and his wife did last year at the University of Pittsburgh Medical Center's Shadyside Hospital, where he had gone with a suspected blood clot. When Clement thought...
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Many heart surgeons insist on using fresh, recently donated whole blood when performing open heart surgery on infants, hoping to reduce the risk of complications from the procedure.
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Drug-coated heart stents might not increase the risk of blood clots as much as previously thought, according to research presented Sunday at a meeting of cardiologists.
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Pfizer Inc.'s painkiller Bextra will come with a new warning about the possibility of heart attacks and blood clots in patients who have just had heart bypass surgery, the U.S. Food and Drug Administration said on Thursday.
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NEW YORK  - By increasing the activity of platelets, blood cells that help clot the blood, smoking may weaken the anti-clotting effect of aspirin, new research suggests.
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Giving blood transfusions to patients with acute heart problems nearly triples the risk they will die or suffer a heart attack within a month, a study said on Tuesday.
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A new study showing an increased risk of blood clots among women using a contraceptive skin patch prompted the Food and Drug Administration on Friday to add that finding to the drug's label.
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NEW YORK  - Heart patients who are anemic  before they undergo percutaneous coronary intervention (PCI)  may be at increased risk of death following the procedure,  according to a report in Journal of the American College of  Cardiology.