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  • Title: Radiotherapy-induced supra-aortic trunk disease: early and long-term results of surgical and endovascular reconstruction.
    Author: Hassen-Khodja R, Kieffer E, University Association for Research in Vascular Surgery.
    Journal: J Vasc Surg; 2004 Aug; 40(2):254-61. PubMed ID: 15297818.
    Abstract:
    PURPOSE: Few articles have dealt specifically with management of radiotherapy-induced supra-aortic trunk disease. We investigated the results of surgical and endovascular treatment of these lesions, and present our findings in a large series of patients. METHODS: The study was conducted at 11 centers. Over 10 years 64 patients with radiotherapy-induced supra-aortic trunk disease underwent surgical or endovascular treatment. Data were collected retrospectively in a consecutive cohort of patients, and were analyzed with the Kaplan-Meier method. RESULTS: Mean patient age was 64.4 years. The indications for radiotherapy included breast cancer (30%), head and neck malignancies (50%), and lymphomas (19%). The mean interval between irradiation and arterial revascularization was 15.2 years. Thirteen of the 64 patients (20%) had asymptomatic disease, and 51 patients (80%) had symptomatic disease. Ninety-two stenotic or occlusive lesions were observed, which involved the common carotid artery (n = 62), the subclavian artery (n = 26), or the innominate artery (n = 4). Twenty-three patients (36%) had multiple supra-aortic trunk lesions, but only 8 patients underwent reconstruction of multiple supra-aortic trunks. Five patients (8%) underwent sternotomy for revascularization from the ascending aorta. Forty-seven patients required revascularization of a common carotid artery; procedures included bypass grafting (n = 30), angioplasty with stent placement (n = 13), carotid-carotid transposition (n = 2), and endarterectomy (n = 2). Fifteen patients underwent restoration of a subclavian artery. One patient died on postoperative day 5, of stroke after early occlusion of an intercarotid crossover bypass graft. Mean follow-up was 37 months (range, 2-120 months). Ten late deaths occurred during follow-up. The probability of survival at 4 years was 78.1% +/- 8.6%. During follow-up, 6 patients had stroke, 4 bypass occlusions occurred and 3 stenoses occurred in the revascularized arteries. At 4 years the probability of freedom from stroke was 85% +/- 8.8%. At 4 years the primary patency rate was 79.3% +/- 8.5% and the secondary patency rate was 87.9% +/- 7.2%. CONCLUSIONS: In light of the context, the results of arterial revascularization to treat radiation-induced arterial lesions of the supra-aortic trunk are satisfactory.
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