• Zhonghua Wai Ke Za Zhi · Dec 2002

    Comparative Study

    [Comparison of perioperative myocardial injury between off-pump coronary artery bypass grafting and conventional coronary artery bypass grafting].

    • Changqing Gao, Feng Zhou, Bojun Li, Cangsong Xiao, and Xiaohui Ma.
    • Department of Cardiovascular Surgery, General Hospital of People's Liberation Army, Beijing 100853, China.
    • Zhonghua Wai Ke Za Zhi. 2002 Dec 1;40(12):930-1.

    ObjectiveTo compare the perioperative release levels of cardiac troponin I (cTnI) between off-pump coronary artery bypass grafting (OPCAB) or conventional coronary artery bypass grafting (CCABG) in an attempt to detect myocardial injury.MethodsFifty-nine patients with instable angina underwent coronary artery bypass grafting by OPCAB in 34 patients aged (59.15 +/- 1.71) years or CCABG in 25 patients, aged (54.46 +/- 1.81) years.ResultsBaseline characteristics were similar. The number of grafts was similar (OPCAB, mean 2.90; CCABG, mean 3.2), and no patient died. Postoperative myocardial serum enzyme measures were significantly lower in OPCAB, suggesting less myocardial injury. OPCAB patients did not receive blood transfusion, and had higher hematocrit at discharge. Most of OPCAB patients were extubated in 4 hours.ConclusionsCompared with CCABG, OPCAB may achieve similar outcomes; it reduces transfusion volume and creates less myocardial injury.

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