Clinical experience of coenzyme Q10 to enhance intraoperative myocardial protection in coronary artery revascularization
Cardiovascular drugs and therapy(1991)
摘要
Summary Seventy-eight patients undergoing coronary artery bypass grafting (CABG) were compared retrospectively to evaluate whether
pretreatment with coenzyme Q10 (CoQ) is effective in preventing left ventricular depression in early reperfusion following CABG. CoQ (5 mg/kg, intravenously)
was given to 60 patients, 2 hours prior to the onset of cardiopulmonary bypass (CPB). CABG was performed using saphenous vein
under CPB associated with cold cardioplegia in the standard fashion. Heart rate, mean arterial pressure, and cardiac index
showed no significant difference between the CoQ and control groups. However, left ventricular stroke work index was significantly
elevated at 6 and 10 hours of reperfusion following CABG in the CoQ-treated group compared with the controls. Serum MB-CK
was lower at 0 and 6 hours of reperfusion in the CoQ group compared with the controls. These results suggest that pretreatment
with intravenous CoQ is effective in preventing left ventricular depression in early reperfusion and in minimizing myocardial
cellular injury during CABG followed by reperfusion.
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关键词
global ischemia, reperfusion, coenzyme Q10, myocardial protection
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