• Ryszard Stanislawski, Sleiman Sebastian Aboul-Hassan, Jakub Marczak, Tomasz Stankowski, Maciej Peksa, Marcin Nawotka, and Romuald Cichon.
• Department of Cardiac Surgery, MEDINET Heart Center Ltd, Nowa Sol, Poland.
• J Card Surg. 2020 Dec 1; 35 (12): 3412-3419.

BackgroundThis study was designed to compare short-term and long-term clinical outcomes of minimally invasive direct coronary artery bypass (MIDCAB) and off-pump coronary artery bypass grafting (OPCAB) via median sternotomy in patients with single-vessel left anterior descending (LAD) artery disease.MethodsIn this retrospective study, 194-patients met the inclusion criteria and were divided into the MIDCAB group (n = 111) and OPCAB via median sternotomy group (n = 83). Short-term outcomes included: in-hospital mortality, perioperative myocardial infarction (MI), perioperative cerebrovascular adverse events (CAEs), chest drainage, reoperation for bleeding, duration of surgery, ventilation time, deep wound infection, packed red blood cell (pRBC) transfusion and duration of hospital stay. The long-term outcomes included: all-cause mortality, the incidence of MI and stroke, target vessel revascularization (TVR) and composite of mortality/MI/stroke. Propensity score matching (PSM) was used to match patients between the groups.ResultsBefore as well as after the PSM, no significant differences were observed between both groups in terms of in-hospital mortality, incidence of perioperative MI, incidence of CAEs, reoperation for bleeding, pRBC transfusions, deep wound infection and ventilation time. However, MIDCAB group had lower chest tube drainage and shorter hospital stay. On the other hand, OPCAB group had shorter time of surgery before as well as after PS matching. At 7-years, before and after PSM, freedom from all-cause mortality, MI, stroke, TVR as well as composite of mortality/MI/stroke were comparable between both groups.ConclusionsShort-term as well as long-term outcomes of MIDCAB in terms of mortality, MI, stroke, and target vessel revascularization are satisfactory and as safe and effective as OPCAB via sternotomy.© 2020 Wiley Periodicals LLC.

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