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August 14, 2003 Vol. 349 No. 7
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In an attempt to reduce the risk of bleeding, some have recently proposed lowering the intensity of anticoagulant therapy with warfarin for the prevention of recurrent venous thromboembolism. This randomized trial found that low-intensity warfarin therapy is not as effective as conventional-intensity therapy in the prevention of recurrent thromboembolic events. Furthermore, low-intensity therapy did not reduce the risk of bleeding complications.
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Survivors of acute lymphoblastic leukemia who had been in complete remission for at least 10 years and had not received radiation therapy had a negligible risk of recurrent leukemia and a survival equal to that of the general U.S. population. Survivors who had undergone cranial or craniospinal irradiation had slightly reduced rates of health insurance coverage, employment, and (among women) marriage.
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Waiting lists for organ transplantation are growing. This study examined numbers of potential organ donors and actual organ donations from 1997 through 1999 in areas of the United States that are served by 36 organ-procurement organizations. Hospitals with 150 or more beds had significantly higher proportions of potential donors and actual donors than smaller hospitals; 19 percent of hospitals accounted for 80 percent of all potential donors.
Acute cardiac tamponade is life threatening and requires prompt pericardial drainage. This review explains the manifestations of tamponade, including a presentation in which the diagnostic finding of pulsus paradoxus is absent, and variant forms, such as low-pressure tamponade and regional tamponade.
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