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Treatment of recurrent ischemia after thrombolysis and successful reperfusion for acute myocardial-infarction - effect on in-hospital mortality and left-ventricular function

Academic Article
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Overview

authors

  • Ellis, S. G.
  • Debowey, D.
  • Bates, E. R.
  • Topol, Eric

publication date

  • March 1991

journal

  • Journal of the American College of Cardiology  Journal

abstract

  • To determine the effect of treatment of recurrent ischemia after reperfusion for acute myocardial infarction on in-hospital mortality and left ventricular function recovery and to identify patients at highest risk of serious consequences in the event of recurrent ischemia in this setting, 405 consecutively treated patients were studied retrospectively. All patients received intravenous thrombolytic therapy within 6 h of ST segment elevation-documented infarction and had angiographic confirmation of their reperfusion status performed within 120 min of treatment. Three hundred three patients had successful reperfusion with or without rescue angioplasty and had no recurrent ischemia (group 1), 74 patients had initially successful reperfusion but subsequent recurrent ischemia (group 2) and 28 patients had failed reperfusion (group 3). The in-hospital mortality in groups 1 to 3 was 2.0%, 14.9% and 32.1%, respectively (p less than 0.001) and the change from baseline to prehospital discharge left ventricular ejection fraction was 1.2 +/- 9.3%, -0.8 +/- 8.7% and -4.3 +/- 5.3%, respectively (p = NS). Within the recurrent ischemia group (group 2), multiple regression analysis found absence of cardiogenic shock at presentation (p = 0.002) and successful treatment initiated within 90 min of recurrent ischemia (p = 0.045) to be the only variables independently correlated with in-hospital survival. Later successful reperfusion was not associated with improved hospital survival. The timing and success of treatment did not affect recovery of global or regional left ventricular function in the patients with paired angiographic studies.(ABSTRACT TRUNCATED AT 250 WORDS)

subject areas

  • Aged
  • Angioplasty, Balloon, Coronary
  • Coronary Artery Bypass
  • Coronary Disease
  • Female
  • Hospitalization
  • Humans
  • Male
  • Middle Aged
  • Myocardial Infarction
  • Myocardial Reperfusion
  • Recurrence
  • Stroke Volume
  • Survival Rate
  • Thrombolytic Therapy
  • Ventricular Function, Left
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Identity

International Standard Serial Number (ISSN)

  • 0735-1097

PubMed ID

  • 1993797
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Additional Document Info

start page

  • 752

end page

  • 757

volume

  • 17

issue

  • 3

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