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  • Title: Clinical outcomes of combined aortic root reimplantation technique and total arch replacement.
    Author: Minami H, Miyahara S, Okada K, Matsumori M, Kano H, Inoue T, Sakamoto T, Okita Y.
    Journal: Eur J Cardiothorac Surg; 2015 Jul; 48(1):152-7. PubMed ID: 25354747.
    Abstract:
    OBJECTIVES: The goal of this study was to evaluate early and late outcomes of combined valve-sparing aortic root replacement and total arch replacement (TAR). METHODS: From October 1999 to May 2014, 195 patients underwent valve-sparing operations using the David reimplantation technique. Thirty-one patients underwent combined TAR for aortic regurgitation (AR) with extended aortic aneurysm from the aortic root to the aortic arch. Aetiologies included acute type A aortic dissection in 12 cases, chronic aortic dissection in 8 cases and non-dissecting aneurysm in 11 cases. There were 9 patients with Marfan syndrome. The preoperative severity of AR was mild in 4, moderate in 16 and severe in 11. Even though half of those were emergent operations for acute aortic dissection, preoperative haemodynamic conditions were stable in all patients. RESULTS: No hospital deaths occurred. Postoperative complications included prolonged mechanical ventilation (>48 h) in 1 case and re-exploration for bleeding in 2 cases. Other complications, such as neurological dysfunction or low cardiac output syndrome, were not observed. At hospital discharge, 2 patients had mild AR, 22 had trace AR and 7 had no AR. During follow-up, 2 patients had moderate AR, 7 had mild AR, 18 had trace AR and 3 had no AR. Follow-up was completed in 95.1% of patients, and the mean follow-up period was 60.5 ± 9.1 months. No late death and thromboembolic complication occurred during follow-up. One patient required reoperation for AR. Freedom from reoperation at 5 and 10 years was 100 ± 0 and 83.3 ± 3.5%, respectively. Freedom from moderate or severe AR at 3 and 5 years was 83.3 ± 3.5 and 83.3 ± 3.5%, respectively. CONCLUSIONS: Early outcomes of combined aortic root reimplantation and TAR were satisfactory and provided excellent freedom from thromboembolic complication. The rate of freedom from reoperation during long-term follow-up was acceptable. Further follow-up is required to evaluate this procedure.
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