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Right arrow Coronary disease
Asian Cardiovasc Thorac Ann 2007;15:106-112
© 2007 Asia Publishing EXchange Ltd

ORIGINAL CONTRIBUTIONS

Radial Artery Graft Use and Off-Pump Coronary Artery Bypass Surgery Outcome

Ahmet T Gurbuz, MD, Orhan Findik, MD, Haiyan Cui, PhD1, Aydin Aytac, MD

Department of Cardiothoracic Surgery, Tucson Medical Center
1 Department of Biostatistics and Biometrics, Arizona Cancer Center, University of Arizona, Tucson, USA

For reprint information contact: Ahmet T Gurbuz, MD, Tel: 1 520 631 3719, Fax: 1 520 544 8190, Email: atgurbuz{at}yahoo.com, 4729 East Sunrise Drive, Suite 153, Tucson, AZ 85718, USA.

Radial artery is commonly used as a conduit for surgical revascularization. There is scarce data on the effect of radial artery use on outcome following off-pump coronary artery bypass. We prospectively evaluated 591 patients undergoing off-pump coronary artery bypass. Radial artery grafts were used in 398 of these patients (mean age, 67.6 ± 10.4 years; mean follow-up, 37.7 ± 13.4 months). Symptom recurrence (angina, congestive heart failure), adverse cardiac events (myocardial infarction, coronary re-intervention, sudden cardiac death), and overall mortality were recorded. Multivariate Cox regression analysis was used to evaluate predictors of endpoints. Patients with and without radial artery grafts were similar with respect to preoperative risk factors. Recurrent angina developed in 29 patients, congestive heart failure in 5, and myocardial infarction in 9. Coronary arteriography was performed in 27 patients, and 23 underwent re-intervention. Radial artery graft was an independent predictor of increased symptom recurrence and adverse cardiac events. Patients with radial artery grafts also had a tendency towards more angina recurrence, coronary re-intervention, and sudden cardiac death.






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