Despite the findings, the researchers don't recommend that patients wait longer for a same-sex heart.
"Clearly, receiving a heart transplant from a donor of opposite sex is preferable to severe heart failure. If equivalent donors exist for a given patient, our data suggest that picking a sex matched donor may lead to improved short- and long-term survival," Weiss said.
More information
The U.S. National Heart, Lung, and Blood Institute has more about heart transplantation.
-- Robert Preidt
SOURCE: American Heart Association, news release, Nov. 12, 2008
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