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Updated: Aug 18, 2026

Prehospital Thrombolysis: A Manual from Berlin
Published on: November 26, 2013
Insights
Streptokinase treatment after myocardial infarction can cause significant bleeding in damaged heart tissue. This hemorrhage is likely due to restored blood flow to the infarcted areas.
Area of Science:
- Cardiovascular pathology
- Thrombolytic therapy
Background:
- Myocardial infarction (MI) is a leading cause of death.
- Thrombolytic agents like streptokinase are used to restore blood flow after MI.
Purpose of the Study:
- To investigate the histopathological effects of streptokinase treatment in patients with myocardial infarction.
Main Methods:
- Histopathological examination of 27 hearts from patients treated with streptokinase post-MI.
- Comparison with control hearts.
Main Results:
- Identified massive interstitial hemorrhage in necrotic cardiac tissue in some treated patients.
- This was the primary histopathological difference observed compared to controls.
Conclusions:
- Massive interstitial hemorrhage is a potential complication of streptokinase therapy post-MI.
- Hemorrhage is likely linked to the re-establishment of circulation in infarcted regions.
Abstract:
Examination of 27 hearts from patients treated by streptokinase following myocardial infarction showed one major histopathological difference from controls, the presence of massive interstitial haemorrhage into the necrotic tissue in some cases. This change is presumably related to the re-establishment of the circulation to infarcted areas.
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