Abstract
Does preoperative revascularization of the myocardium reduce cardiac risk in noncardiac surgery? The aim of this study was to evaluate the clinical effectiveness of preoperative cardioprotection by coronary artery revascularization in abdominal nonvascular surgery under general anesthesia. The observational clinical study included 111 consecutive patients with angiographically verified coronary artery disease. Two stratification groups of patients were compared, those with coronary artery revascularization (34 patients, 30.6%) and those without coronary artery revascularization (77 patients, 64.9%), in relation to frequency of perioperative cardiac complications. The patients were followed up until the 30th postoperative day. During operation and in the following 72 postoperative hours, the patients were monitored by continuous ST-T segment recording. Twelve-lead electrocardiography was performed immediately after surgery and on postoperative days 1, 2, and 7 as well as 1 day before discharge. Serum troponin T levels were controlled at 6, 24, and 96 h postoperatively. The number of patients with major cardiac complications was 0 (0.0%, n=34) in the revascularized myocardium group and 10 (12.9%, n=77) in the nonrevascularized my...Continue Reading
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