Abstract
The mortality (5–15%) (Ann Thorac Surg 58:359–65, 1994) and morbidity are higher for redo coronary artery bypass grafting (CABG) operations than for primary CABG procedures. There are multiple causes for the higher mortality of patients in need of repeat CABG, including left ventricular dysfunction as coronary artery disease (CAD) has progressed and decreased function of multiple organs with advancing age. Several risk stratification models have evolved, over the years, to objectively assess the preoperative risk of patients undergoing cardiac surgery, and a patient can be well-informed about his or her surgical risk prior to the procedure.
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Machiraju, V.R. (2012). Practical Approaches to the Current “On-Pump” Redo Coronary Artery Bypass Surgery. In: Machiraju, V., Schaff, H., Svensson, L. (eds) Redo Cardiac Surgery in Adults. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-1326-4_2
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