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Perfusion and Aortic Surgery: Patient Directed Cardiopulmonary Bypass and Quality Improvement
We present the concepts of patient directed bypass with regard to blood pressure, flow-during cardiopulmonary bypass (CPB), oxygen delivery, cooling, and carbon dioxide levels on bypass.
Monitoring of the Progression of the Perioperative Serum Lactate Concentration Improves the Accuracy of the Prediction of Acute Mesenteric Ischemia Development After Cardiovascular Surgery
Late intraoperative and early postoperative lactate levels >3 mmol/L and increases >200%, even when remaining within the normal range, should raise the suspicion of subsequent mesenteric ischemia development.
ECMO Circuit Change
Common reasons for replacing the ECMO circuit include the buildup of blood clots, with or without an increase in Delta P. This condition can be linked to the activation of the coagulation process and inflammation, such as a rise in D-Dimer levels and a decrease in fibrinogen levels (less than 2).