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Ann Cardiothorac Surg. 2013 Nov; 2(6): 803–808.

Abstract

Effective myocardial protection and perfusion strategies during minimally invasive mitral valve surgery (Mini-MV) have evolved over the last decade. Our institutional approach for right-sided Mini-MV has been standardized over the last 15 years in more than 4,500 cases. Cardiopulmonary bypass (CPB) is usually instituted by right-sided femoral arterial and venous cannulation with additional cannulation of the right jugular vein in patients with a body weight greater than 75 kg or when a concomitant tricuspid valve (TV) procedure and/or atrial septal defect closure is performed. A single dosage of crystalloid-based cardioplegia [Custodial- histidine-trypthophan-ketoglutarate (Custodial-HTK)] administered via the aortic root in combination with moderate hypothermia (34-35 °C) has become the standard of care for induction and maintenance of myocardial protection at our institution. The present article highlights and discusses the principal techniques of myocardial protection for Mini-MV.

Keywords: Minimally invasive mitral valve surgery (Mini-MV), myocardial preservation and protection

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