News tips for Tuesday, Novemb...( h risk of DVT during long-haul flights ...),Health

h risk of DVT during long-haul flights (8-13 hours), researchers tested whether below-knee elastic stockings could reduce occurrence of DVT. Ultrasound scans detected DVT before and after flights in a group wearing "flight socks" and in a matched group of stocking-less controls. Below-knee DVTs were found in 1.1 percent of the stocking-wearers, while in the non-stocking group 4.6 percent had a DVT and 3.4 percent had a superficial blood clot. Researchers said the difference in the mostly asymptomatic clotting events were significant. Stockings were well tolerated with no side effects. Flight socks in association with an exercise program should be "very effective" in controlling DVT, according to researchers.

11:15 a.m. Abstract 2551 Risk of post-op neurologic complications highest two days after bypass surgery. When are neurological complications most likely to strike after coronary artery bypass surgery? Ohio doctors studied 37,955 bypass patients' records over two decades. They found that 1,304 had a post-operative stroke, transient ischemic attack or coma. Of those, 254 (39 percent) of the complications presented upon awakening and 382 (59 percent) occurred later. The complications peaked around the second day after surgery. Factors predisposing patients for neurological events "reflect atherosclerotic disease and duration of cardiopulmonary bypass," the researchers reported. The good news: the risk of both early and delayed strokes has dropped significantly in recent years, along with increased awareness of aortic blockages, and steps to avoid clot formation.

2 p.m. Abstract 3029 Depression may trigger silent ischemia in women with new angina. Women with recently diagnosed coronary heart disease are often depressed, but is the depression a consequence of, or a contributor to, disease severity? In a new study, 139 women who had new-onset angina underwent 24-hour electrocardiogram monitoring and heart rate (HR) va
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Contact: Carole Bullock
carole.bullock@heart.org
214-706-1279
American Heart Association
9-Nov-2004

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