Purpose: Myocardial revascularization by coronary
artery bypass grafting (CABG) in ischemic heart disease patients has direct
impact on hemodynamic parameters in the immediate post-operative period. The
peri-operative cardiovascular functioning is an important determinant for
outcome of surgery. In On-Pump CABG (ONCAB), the cardiopulmonary bypass has a
negative effect on myocardium. Off-Pump CABG (OPCAB) avoids the effect of CPB
but complete revascularization with difficult positioning of heart is
technically demanding. This study is aimed to compare the cardiovascular functioning in the immediate post-operative
period after OPCAB and ONCAB.Methods: Total 106 patients were operated for CABG from
January 2015 to June 2016, of which 75 patients were operated for OPCAB and 31
patients were operated for ONCAB. For the comparison, hemodynamic parameters
were measured during anesthesia before surgery, postoperatively after 1 and 4
hours (h) in the ICU, and in the morning after surgery, approximately after 20h. Results: The time-dependent rise of hemodynamic parameters
like Cardiac Output (CO), Cardiac Index (CI), Stroke volume
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