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High-dose intravenous thrombolytic therapy in acute myocardial infarction: efficiency, tolerance, complications and influence on left ventricular performance.

Abstract
Ten patients with acute myocardial infarction (AMI) underwent coronarographic studies before, immediately after and ten days after an intravenous infusion of 1 500 000 I.U. streptokinase (STK). Mean time between onset of symptoms to initiation of STK infusion was 03 hours 34 minutes. Occlusion of the infarct-related vessel was present in all of them and successful thrombolysis was obtained in 8 of the patients. Systemic fibrinolytic activity was present in 9 patients, one of whom required a transfusion of blood because of severe bleeding. At ventriculography, the global left ventricular ejection fraction and the regional ventricular ejection fraction, whatever the area involved, showed no significant improvement 10 days after the procedure. This suggests that high-dose intravenous STK in AMI, although causing an effective thrombolysis, does not seem to improve early myocardial function.
AuthorsM de Marneffe, E Van Thiel, M Ewalenko, P Mols, N Naeije, R Bernard, M Englert
JournalActa cardiologica (Acta Cardiol) Vol. 40 Issue 2 Pg. 183-98 ( 1985) ISSN: 0001-5385 [Print] England
PMID3873155 (Publication Type: Journal Article)
Chemical References
  • Streptokinase
Topics
  • Adult
  • Cardiac Output (drug effects)
  • Coronary Circulation (drug effects)
  • Dose-Response Relationship, Drug
  • Heart Ventricles (drug effects)
  • Humans
  • Infusions, Parenteral
  • Middle Aged
  • Myocardial Contraction (drug effects)
  • Myocardial Infarction (drug therapy)
  • Streptokinase (administration & dosage, therapeutic use)

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