SciELO - Scientific Electronic Library Online

vol.24 issue1Effects of ischemic postconditioning on left ventricular function of isolated rat heartsVideo-thoracoscopic pericardial drainage in the treatment of pericardial effusions author indexsubject indexarticles search
Home Pagealphabetic serial listing  

Services on Demand




Related links


Brazilian Journal of Cardiovascular Surgery

Print version ISSN 0102-7638On-line version ISSN 1678-9741


CARNEIRO, Luciano Jannuzzi et al. Coronary artery bypass grafting using the radial artery: influence of proximal anastomosis site in mid-term and long-term graft patency. Rev Bras Cir Cardiovasc [online]. 2009, vol.24, n.1, pp.38-43. ISSN 0102-7638.

OBJECTIVE: To determine whether the proximal anastomosis interferes or not in mid- and long-term patency of these grafts. METHODS: One hundred twenty-three out of 481 patients who had undergone surgery using radial artery (RA) were restudied. The mean age was 58.8 + 10.4 years. In 96 (78.05%) patients the cardiopulmonary bypass (CPB) was used. Considering all surgical grafts, 382 coronary branches were grafted (mean, 3.1 + 0.8 arteries per patient). 150 of them used radial artery (RA), and the left marginal branches (LOM) were the most prevalent (48.67%). The proximal anastomosis was performed in the aorta in 50 (40.65%) patients and as an artificial "Y" composite graft with the left or right internal thoracic artery (LIMA/RITA) in 73 (59.35%). Postoperatively, coronary angiography studies were performed within a mean period of 5.36 + 3.21 years. The obtained data was divided into two categories: proximal anastomosis (aorta/composite) and patency (occluded/patent). A chi-square test was used to compare both proportions, within a 95% confidence interval (CI). RESULTS: From the 50 aorta-anastomosed grafts, 42 (84%) were patent and eight (16%) occluded. Regarding the 73 "Y" composite grafts, 59 (80.82%) were patent and 14 (19.18%) occluded. Comparing these proportions in both techniques, there was no statistically significant difference between them (P=0.651, CI=95%). CONCLUSION: The site of proximal anastomosis of the RA coronary grafts does not interfere in mid- and long-term graft occlusion and patency.

Keywords : Myocardial revascularization [methods]; Radial artery; Anastomosis, surgical; Treatment outcome.

        · abstract in Portuguese     · text in English | Portuguese     · English ( pdf ) | Portuguese ( pdf )


Creative Commons License All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License