anxiety, self efficacy expectation and social support in patients after coronary angioplasty and coronary bypass

background: coronary artery bypass grafting surgery (cabg) and precutaneous transluminal coronary intervention (pci) are safe and effective in the treatment of coronary artery disease. the aim of this study was to determine and compare anxi­ety, self efficacy expectation and perceived social support between cabg patients and pci patients referral to receiving car­diac rehabilitation programs. methods: in this descriptive- analytical study 150 patients with cabg and pci were selected. the spilberger state trait anxi­ety inventory, general self efficacy scale and perceived social support scale three instruments for collecting data in the pre­sent study. results: pci patients as compared to cabg patients experience higher anxiety ( p = 0.02) and lower perceived social sup­port ( p = 0.02). self efficacy score in the pci patients was higher than cabg patients ( p = 0.01). conclusion: it is necessary to be more considerate to psychological problems in the pci patients.