- Metabolic Monitoring of Postischemic Myocardium during Intermittent Warm-Blood Cardioplegic Administration
- Texas Heart Institute Journal
- Pages (from-to)
- Issue number
- Document type
- Faculty of Medicine (AMC-UvA)
In 12 patients undergoing elective myocardial revascularization with intermittent administration of warm-blood cardioplegic solution for myocardial protection, we analyzed metabolic changes by assay of global ischemia indicators (pH, lactate, glucose, and potassium), which we measured in the coronary sinus and arterial blood during the ischemic and post-ischemic periods. A typical cumulative ischemic pattern with progressively decreasing pH values and progressively increasing lactate values could not be observed in all patients. It was not the degree of lactate washout but the lactate concentration at the end of each reperfusion, that correlated significantly with global metabolic recovery time, which suggests the importance of effective reperfusion. (Tex Heart Inst J 2010;37(2):184-8)
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