Ischemic mitral regurgitation: in search of the culprit.

摘要

Ischemic mitral regurgitation (IMR) is either acute or chronic mitral insufficiency, caused by myocar-dial ischemia and/or infarction. Chronic IMR is an important cardiac disease that carries a grave prognosis after myocardial infarction (MI). In some studies, it has been shown to more than double the risk of short-term mortality and increase the risk of developing congestive heart failure (1,2). Even mild IMR diagnosed at the time of MI has been shown to confer a significant mortality risk in long-term studies (3).