Aortic Cross-clamp Time and Postoperative Complications in Coronary Artery Bypass Graft Patients
Aortic Cross-clamp Time and Postoperative Complications
Keywords:
coronary artery bypass graft, aortic cross-clamp time, postoperative complicationsAbstract
Coronary bypass surgery is a procedure used to treat coronary artery disease and reduce mortality rate. Open heart surgery required to stop the heart and use a heart lung machine and cross clamp the aorta induces a temporary myocardial ischemia that might affect postoperative complications. The retrospective cohort study was to compare aortic cross-clamp time and complications in coronary artery bypass graft at Naresuan University Hospital between October 1, 2014 to October 31, 2018 with total 212 patients. The results showed that, the mean aortic cross-clamp time was 112.9 minutes, rate of postoperative complications in patients who underwent aortic cross-clamp time ≤ 90 minutes had more than in patients who underwent aortic cross-clamp time > 90 minutes with statistically significant, such as mortality in 30 days (p = 0.019) and use of postoperative intra-aortic balloon pump (p = 0.048). Other postoperative complications such as use of extracorporeal membrane oxygenation, renal replacement therapy, ventilation time and intensive care unit length of stay were not related to aortic cross-clamp time. The results of this study can be used for surgical planning and help in preventing some of these complications
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