Key result
Minimally invasive multivessel coronary artery bypass grafting significantly reduced median mechanical ventilation time in the ICU to 8 hours compared to 12 hours for the conventional method.
Why the study?
Minimally invasive coronary artery bypass grafting (CABG) is a newer technique, prompting comparison of its early postoperative outcomes and perioperative differences against conventional CABG.
Does minimally invasive multivessel CABG improve postoperative early outcomes compared to conventional CABG in patients undergoing surgical revascularization?
Cohort (n=100)
No
Does minimally invasive multivessel CABG improve postoperative early outcomes compared to conventional CABG in patients undergoing surgical revascularization?
Minimally invasive multivessel CABG is associated with enhanced early postoperative recovery (shorter ICU and ventilation times) at the cost of prolonged surgical and cardiopulmonary bypass times compared to conventional CABG.
Answers are grounded in this paper and cite their sources.
May inform perioperative planning in multivessel CABG; leaves open whether MIM techniques improve net outcomes pending randomized trials.
Minimally invasive coronary artery bypass grafting (CABG) is a new technique developed in recent years apart from the conventional method. Our first objective is to compare the postoperative early outcomes of conventional and minimally invasive multivessel (MIM) CABG methods, and second objective is to compare perioperative differences between two surgical techniques. This retrospective, comparative study was conducted at a university hospital with 100 patients, who underwent CABG surgery from November, 1 2019 to June, 1 2020. The data of 50 patients, who underwent MIM CABG (Group M), was certain. Among the patients operated with the conventional method (Group C), 50 patients were randomly selected from the same time period. Examination of early postoperative outcomes revealed that Group C had significantly higher intensive care unit (ICU) stay (p=0.013), significantly higher mechanical ventilation time in ICU (p<0.001), and significantly higher isolated systolic blood pressure (p=0.013). Examination of perioperative variables revealed that Group C had significantly shorter duration of surgery (p<0.001), significantly shorter aortic cross-clamp time (p<0.001), significantly shorter cardiopulmonary bypass (CPB) time (p<0.001), significantly lesser graft numbers (p<0.001), significantly lesser left internal mammary artery use (p<0.05), and significantly lesser inotropic support after CPB was discontinued (p<0.05). In the light of these results, MIM CABG was associated with enhanced postoperative early outcomes with prolonged surgery time compared to conventional method.
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Erdoğan et al. (2021) conducted a cohort in Coronary artery disease requiring elective coronary artery bypass grafting (n=100). Minimally invasive multivessel (MIM) CABG vs. Conventional CABG was evaluated on Mechanical ventilation time in ICU (hours) (p=<0.001). Minimally invasive multivessel coronary artery bypass grafting significantly reduced median mechanical ventilation time in the ICU to 8 hours compared to 12 hours for the conventional method.
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