• Interact Cardiovasc Thorac Surg · May 2017

    Perioperative outcomes of off-pump minimally invasive coronary artery bypass grafting with bilateral internal thoracic arteries under direct vision†.

    • Keita Kikuchi, Xufa Chen, Makoto Mori, Atsushi Kurata, and Liang Tao.
    • Department of Cardiac Surgery, Wuhan Asia Heart Hospital, Wuhan, China.
    • Interact Cardiovasc Thorac Surg. 2017 May 1; 24 (5): 696-701.

    ObjectivesWe previously introduced techniques to harvest and use the right internal thoracic artery in minimally invasive coronary artery bypass grafting (CABG) via a single left thoracotomy for revascularization with bilateral internal thoracic arteries (BITA). We report our short-term outcomes of patients who underwent minimally invasive CABG using BITA and a single internal thoracic artery (SITA).MethodsConsecutive patients who underwent minimally invasive CABG using BITA or SITA at a Japanese medical center between February 2012 and December 2015 were reviewed retrospectively. Preoperative, intraoperative and 30-day postoperative outcomes were analysed. Perioperative data for the SITA cohort is presented to provide a context in which the outcomes of the BITA cohort can be evaluated.ResultsA total of 25 and 37 patients underwent BITA and SITA revascularization, respectively. The mean duration of the operation was longer in the BITA group than in the SITA group (265 ± 104 vs 336 ± 73 min). There were no deaths in the BITA group and one death in the SITA group. There were no strokes in either cohort, and new haemodialysis was required in one patient in each group. All BITA grafts were harvested without major complications and were all patent on computed tomography angiograms 1 week following the operations.ConclusionsBITA can be safely harvested in a reproducible manner under direct vision via a small left thoracotomy. The potential advantages of minimally invasive CABG using BITA, although yet to be established, include a long-term survival benefit conferred by BITA grafts and elimination of the risk of sternal wound infection, in addition to the established advantages of minimally invasive coronary artery surgery. This approach has the potential for further optimization with hybrid revascularization strategies.© The Author 2017. Published by Oxford University Press on behalf of the European Association for Cardio-Thoracic Surgery. All rights reserved.

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