A total of @ patients with ischemic cardiomyopathy and the median left venticular ejection fraction ( LVEF ) of @ @ % were prospectively and randomly enrolled in a single center interventional , open labeled clinical trial as two groups : group I of @ patients designated as the study group to receive CABG surgery and intramyocardial implantation of BMMNC and group II of @ patients as the control group to receive only the CABG procedure .