Determinants of Myocardial Oxygen Supply vs. Demand (\(DO_{2}\) vs. \(MVO_{2}\)). Preoperative Risk Stratification (STS Score, EuroSCORE II, Echo metrics, EF, and Diastolic Dysfunction).
Determinants of Myocardial Oxygen Supply vs. Demand (\(DO_{2}\) vs. \(MVO_{2}\)). Preoperative Risk Stratification (STS Score, EuroSCORE II, Echo metrics, EF, and Diastolic Dysfunction).
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This guide outlines critical aspects of managing myocardial oxygen balance and preoperative risk assessment. It emphasizes the importance of quantifying myocardial oxygen delivery, protecting coronary perfusion pressure, and recognizing limits to coronary flow reserve. Key strategies include controlling oxygen demand drivers, identifying supply-demand mismatches, and matching risk assessments to surgical plans. The use of STS and EuroSCORE II models aids in anticipating complications, while...