Studying the Frequency of Graft Failure in Symptomatic Post-CABG Patients

Background: CABG and PCI are two important methods of revascularization in patients with ischemic heart disease. they are often  considered competitive procedures, but it is more appropriate to view them as complementary. An increase number of patients who have treated with CABG and later have recurrent ischemia undergo revascularization with PCI. Aim of this study, was evaluated LIMA and SVG graft in symptomatic post CABG patients. Methods: 129 symptomatic post CABG patients (chest pain, dyspnea, MI, etc) that referred to Ghaem and Imam Reza hospitals admitted for coronary angiography between 2018 and 2019. Indication of coronary angiography in these patients were similar to others patients. Graft failure was defined as ≥ 70% stenosis. Result: There were a total of 379 grafts. comprised of 252 venous grafts and 127 arterial grafts (LIMA). Angiography were detected grafts failure in 56.6% of patients. Arterial graft failure was 11.8% and venous graft failure Was 38.5%. there was no relationship between the presence of graft failure and any of the cardiovascular major risk factors. Conclusion: Given the high volume of venous graft CABG should only be used in urgent failure, cases and it is advisable to use LIMA if possible.