The purpose of the present study was to examine the relationship between psychological factors , Erectile Dysfunctional ( E D ) and quality of life ( Q O L) before and after Coronary Artery Bypass Graft ( C A B G ) and Percutaneous Transluminal Coronary Angioplasty ( P T C A ) procedures , in an Iranian sample of cardiovascular patients . To do so, one hundred ninety patients scheduled for CA BG and PTCA operations were selected and administered relevant questionnaires a day before the surgery . Subsequently , the same patients filled out the same questionnaires two months following the procedure . Data analysis showed an increase in Qol while revealing a decline in men’s sexual functioning after the PT CA procedure although no change was observed in women . Also , an improvement in psychological status of all patients was observed following both revascularization procedures .