In patients with acute myocardial infarction, the prompt restorationof antegrade flow in the infarct-related coronary artery, whetheraccomplished pharmacologically1 or mechanically,2 improves leftventricular systolic function and reduces mortality. Initially,these salutary effects of reperfusion therapy were thought tobe tightly linked: successful reperfusion salvaged ischemicbut still viable myocardium, which led to improved left ventricularfunction and, in turn, improved survival. Conversely, reperfusionof the infarct-related artery more than 12 hours after the onsetof infarction was thought not to achieve these beneficial results.However, several studies suggested that the effects of reperfusionon left ventricular function and . . . [Full Text of this Article]
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From the Department of Medicine (Cardiovascular Division), University of Texas Southwestern Medical Center, Dallas (L.D.H.); and the Department of Medicine (Cardiovascular Division), Johns Hopkins Medical Institutions, Baltimore (R.A.L.).
This article was published at www.nejm.org on November 14, 2006.
Related Letters:
Persistent Coronary Occlusion after Myocardial Infarction
Anderson J. R., Nagajothi N., Velazquez-Cecena J.-L. E., Khosla S., Wong B., Erdogan O., De Luca L., Tomai F., Chua D., Lo A., Kuo I. F., Hochman J. S., Forman S., Reynolds H. R., the Occluded Artery Trial Investigators , Hillis L. D., Lange R. A.
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N Engl J Med 2007;
356:1681-1684, Apr 19, 2007.
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