Why the study?
Does preoperative anemia increase the risk of in-hospital postoperative adverse outcomes in patients undergoing coronary artery bypass graft surgery?
Population
4,804 patients undergoing coronary artery bypass graft surgery who received no preoperative transfusions.
Comparison
Low preoperative hemoglobin vs Normal preoperative hemoglobin / absence of…
Design
Cohort
Follow-up
in-hospital
Authors
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Preoperative anemia may refine risk stratification before CABG; leaves open whether correction reduces events in high-EuroSCORE patients.
Does preoperative anemia increase the risk of in-hospital postoperative adverse outcomes in patients undergoing coronary artery bypass graft surgery?
Preoperative anemia independently predicts adverse noncardiac outcomes after CABG, and its impact on overall postoperative events is strongly modulated by baseline comorbidities.
Kulier et al. (2007) studied this question.
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