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  • Title: Sequential radial artery for coronary artery bypass grafting: five-year follow-up and evaluation with multi-detector row computed tomography.
    Author: Emir M, Kunt AG, Çiçek M, Bozok Ş, Karakişi SO, Uğuz E, Hidiroğlu M, Çetin L, Şener E.
    Journal: Cardiovasc Revasc Med; 2012; 13(5):272-6. PubMed ID: 22889883.
    Abstract:
    This study was undertaken to compare early postoperative results, programmed multi-detector row computed tomography coronary angiographic patency and midterm results of revascularization by sequential radial artery grafting with those of single radial artery grafting during a five-year period. Patients were grouped as those with sequential radial artery grafts (Group A, n = 27) and single radial artery grafts (Group B, n = 26). Multi-detector row computed tomography coronary angiography was scheduled at 1 and 5 years postoperatively. Each distal anastomosis was accepted as nonfunctional if a radial artery graft was occluded proximally or there was a critical stenosis. One sequential radial artery graft and two single radial artery grafts failed in the 1-year period (p>0.05). In the 5-year period, three radial artery grafts failed in each group (p>0.05). In Group A, there was no mortality in the five-year period, but in Group B, one patient died four years after the operation due to cardiac problems (p>0.05). In addition to one death in Group B, there were three percutaneous interventions and two myocardial infarctions among the 26 patients during the five-year follow-up. In group A, among 27 patients, there were 4 percutaneous interventions and one myocardial infarction (p>0.05). Although the sample size is relatively small to be conclusive, these data suggest that sequential radial artery grafting may be considered as a method of choice for maximizing arterial graft survival and patency. Noninvasive control of sequential and single radial artery grafts with multi-detector row computed tomography is feasible with no discomfort for the patient and excellent visualization of grafts.
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