Re-operative coronary artery bypass grafting (CABG) prevalence had markedly changed over the last decades. This change had been also noticed in patients' risk profile and outcomes. The aim of this review is to highlight large multi-and single-center studies investigating the change in pattern, techniques, and outcomes of re-operative CABG globally. It is meant to be a reference that can help cardiac surgeons for a better understanding of our current situation with this challenging operation.

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