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  • Title: Surgery for marfan patients with acute type a dissection using a stented elephant trunk procedure.
    Author: Sun L, Qi R, Chang Q, Zhu J, Liu Y, Yu C, Zhang H, Lv B, Zheng J, Tian L, Lu J.
    Journal: Ann Thorac Surg; 2008 Dec; 86(6):1821-5. PubMed ID: 19021985.
    Abstract:
    BACKGROUND: The purpose of the study was to assess the efficacy of total arch replacement combined with stented elephant trunk implantation for Marfan patients with acute Stanford type A aortic dissection involving the aortic arch. METHODS: Between January 2004 and April 2006, 13 consecutive Marfan patients (4 female, 9 male) with acute type A aortic dissection involving the aortic arch underwent total arch replacement combined with implantation of a stented elephant trunk. Aortic dissection extending to the iliac artery was seen in 10 patients, and to the abdominal aorta in 3 patients. Ages ranged from 17 to 65 years (mean, 39 +/- 13). Computed tomography was done to evaluate the residual false lumen in the descending aorta. RESULTS: All patients survived and were discharged from hospital. One patient with thrombosis of the innominate artery suffered cerebral infarction and recovered during follow-up. One patient had ischemia of the left upper limb postoperatively, but recovered after axillary to axillary artery bypass. There was 1 death during the mean follow-up period of 27 +/- 10 months. Complete thrombus formation was observed in 84.6% of patients (11 of 13) around the stented elephant trunk, and in 69.2% of patients (9 of 13) at the diaphragmatic level. CONCLUSIONS: Total arch replacement combined with stented elephant trunk implantation for Marfan patients with acute type A aortic dissection involving the aortic arch results in less late dilatation of the dissected descending aorta. That prolongs the reoperation interval or reduces the number of late thoracoabdominal aortic replacements, unless there is a patent false lumen around the stented elephant trunk.
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