Off-pump coronary artery bypass grafting: where are we now?

Off-pump coronary artery bypass (OPCAB) grafting is arguably the most thoroughly scrutinized operation in the history of surgery. Although over the last two decades hundreds of randomized controlled trials, propensity-matched analyses and observational studies have compared it with the universally recognized “gold standard” conventional on-pump coronary artery bypass grafting (CABG) the puzzle of superiority of one or the other remains unsolved and the jury is still out.