Background: In this study, we evaluated female sex as a risk factor in the off-pump coronary artery bypass (OPCAB), aorta no-touch technique.
Materials And Methods: From February 2001 to November 2005, 1359 patients in our institution underwent isolated coronary revascularization with the pi-circuit technique, which consists of (1) beating heart surgery, (2) OPCAB, (3) no touching of the aorta, (4) use of composite grafts, and (5) arterial revascularization. There were 1159 men (group A) and 200 women (group B).