Early thrombolytic therapy does not enhance the recovery of the right ventricle in patients with acute inferior myocardial infarction and predominant right ventricular involvement

A. Roth, H. I. Miller, E. Kaluski, G. Keren, B. Shargorodsky, R. Krakover, G. I. Barbash, S. Laniado

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23 Scopus citations

Abstract

In this study we report the efects of early thrombolytic therapy on the recovery of the right ventricle after an acute myocardial infarction. Sixty-five patients presenting with their first inferior myocardial infarction and predominant right ventricular involvement were consecutively treated as follows: group A (20 patients) conservatively (without thrombolytic therapy), group B (19 patients) with streptokinase and group C (26 patients) with recombinant tissue type plasminogen activator. Coronary angiography was performed within 72 h after admission in 52 patients (10 of group A, 18 of group B and in 24 patients of group C) followed by transluminal coronary angioplasty in 26. All groups had similar characteristics except for a higher mean age in group A. Within 3 months, a remarkable improvement in right ventricular function and a major increase in ejection fraction was observed for all three patient groups. Improvement of right ventricular function was more prominent in patients with residual flow through the infarct-related artery. The beneficial course was comparable in all the groups, unaffected by the type of medical treatment applied, or by the performance of coronary angioplasty. No further significant change occurred beyond this period. Thus, early thrombolytic therapy does not augment the generally favorable course of recovery of the right ventricle from acute infarction.

Original languageEnglish
Pages (from-to)40-49
Number of pages10
JournalCardiology
Volume77
Issue number1
DOIs
StatePublished - 1990

Keywords

  • coronary angioplasty
  • plasminogen activator
  • right ventricular infarction
  • streptokinase
  • thrombolysis

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