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Vox sanguinis
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Red blood cell transfusion is known to be associated with increased morbidity and mortality in cardiac surgery. This study was performed to derive a score to predict that risk in our patients. ⋯ We derived a simple score that can be utilized to assess the need of blood transfusion in patients undergoing cardiac surgery. We are the first to report G6PD deficiency and history of cerebrovascular disease as predictors. We recommend prospective external validation of the proposed score on a larger cohort of patients.