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[Myocardial reperfusion syndrome].
J P Monassier1, V Gressin, Y Louvard
1Service de cardiologie, centre hospitalier du Hasenrain, Mulhouse.
Archives Des Maladies Du Coeur Et Des Vaisseaux
|May 1, 1992
Summary
Myocardial reperfusion can cause arrhythmias and ST segment changes. Diagnostic signs include specific arrhythmias and rapid CPK rise, with low clinical risks.
Area of Science:
- Cardiology
- Physiology
Context:
- Myocardial reperfusion is a critical intervention following ischemic events.
- It triggers a complex cascade of physiological and clinical responses.
- Understanding these responses is key to managing cardiac recovery.
Purpose:
- To detail the clinical, electrocardiographic, hemodynamic, and biological events associated with myocardial reperfusion.
- To identify key indicators of the reperfusion syndrome for diagnostic purposes.
- To assess the clinical risks associated with reperfusion events.
Summary:
- Reperfusion commonly causes arrhythmias like ventricular extra-systoles and accelerated idioventricular rhythms, and ST segment changes (regression or accentuation).
- Inferior wall reperfusion may lead to sinus bradycardia and hypotension.
- Immediate increases in plasma enzyme and myoglobin concentrations, with peak CPK typically after 12 hours, are observed.
- Diagnostic value lies in recognizing specific arrhythmias, ST changes, and rapid CPK rise.
Impact:
- Provides a framework for interpreting reperfusion syndrome markers.
- Highlights the generally low clinical and hemodynamic risks of reperfusion.
- Informs clinical practice regarding the monitoring and management of post-reperfusion cardiac events.