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Heart, Lung and Circulation

Antegrade Perfusion for Mini-Thoracotomy Mitral Valve Surgery in Patients with Atherosclerotic Burden

Published:September 13, 2021DOI:https://doi.org/10.1016/j.hlc.2021.08.007

      Background

      The relationship between retrograde arterial perfusion and stroke in patients with peripheral vascular disease has been widely documented. Antegrade arterial perfusion has been favoured as an alternative approach in less invasive mitral valve (MV) operations. We aimed to analyse our experience in patients with peripheral arterial disease undergoing MV surgery through a right mini-thoracotomy adopting antegrade arterial perfusion.

      Method

      A single-institution retrospective study on prospectively collected data was performed on patients undergoing right mini-thoracotomy MV surgery with antegrade arterial perfusion. Since 2009, indication for the latter was dictated by the severity of atherosclerotic burden. Preoperative screening included computed tomography, angiography, or both for the evaluation of the aorta and ileo-femoral arteries.

      Results

      Consecutive patients (n=117) underwent MV surgery through a right mini-thoracotomy with antegrade arterial perfusion, established either by transthoracic central aortic cannulation in 65 (55.6%) cases or by axillary arterial cannulation in 52 (44.4%). Mean logistic EuroSCORE was 11%±2.3%. Twenty-five (25) (21.4%) patients had undergone one or more previous cardiac operations. Operative mortality was 4.3% (n=5). Nonfatal iatrogenic aortic dissection occurred in one case (0.8%). The incidence of stroke was zero.

      Conclusions

      Axillary or central aortic cannulation is a promising alternative route to provide excellent arterial perfusion in right mini-thoracotomy MV surgery, with a very low incidence of stroke and other major perioperative complications in patients with severe aortic or peripheral arterial disease.

      Keywords

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