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[Coronary permeability and left ventricular function following thrombolytic therapy].

J Suárez de Lezo1, A Medina, M Pan

  • 1Hospital Nuestra Señora del Pino, Las Palmas.

Revista Espanola De Cardiologia
|February 1, 1991
PubMed
Summary

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Early thrombolytic therapy for acute myocardial infarction significantly improves coronary artery patency and reperfusion. Recanalized patients showed better recovery of heart muscle function and left ventricular performance.

Area of Science:

  • Cardiology
  • Interventional Cardiology

Context:

  • Acute myocardial infarction (AMI) is a leading cause of mortality.
  • Early reperfusion therapy is critical for improving outcomes.
  • Thrombolytic agents are a key treatment modality for AMI.

Purpose:

  • To evaluate the angiographic outcomes and functional recovery in patients with acute myocardial infarction treated with thrombolytic therapy.
  • To assess the impact of early reperfusion on infarct-related artery patency and myocardial function.

Summary:

  • Forty patients (mean age 55 years) with AMI received thrombolytic therapy (streptokinase or rt-PA).
  • Angiography at baseline, 3 hours, 24 hours, and before discharge revealed infarct-related artery patency in 78% at 24 hours.
  • Early reperfusion occurred in 57% of patients, with reduced intraluminal thrombus and improved TIMI coronary perfusion grade over time.

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Impact:

  • Recanalization was associated with significantly better regional wall motion recovery in infarct zones compared to non-reperfused patients.
  • Improved left ventricular functional recovery was observed in patients with antegrade collateral flow to the infarct area.