Why the study?
Does intermittent coronary artery occlusion alter myocardial potassium content and cellular hydration in patients undergoing cardiopulmonary bypass surgery?
Population
Patients undergoing cardiopulmonary bypass surgery
Design
Cohort
Follow-up
Up to 150 minutes of occlusion
Authors
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Progressive potassium loss during bypass may heighten arrhythmia risk; leaves open whether preservation strategies improve outcomes.
Does intermittent coronary artery occlusion alter myocardial potassium content and cellular hydration in patients undergoing cardiopulmonary bypass surgery?
Myocardial ischaemia during cardiopulmonary bypass leads to significant progressive potassium loss and cellular hydration changes, which may contribute to postoperative arrhythmias and low cardiac output.
Taggart et al. (1971) studied this question.
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