Initial cardioplegia dose indexed to left ventricular mass in mitral valve surgery

Sitong Tang, Xinglei Ren, Chiyin Wang, Mariam Omotolani Afolabi, Meijuan Dai, Jian Chen, Yeqian Shen, Qinpu Wang, Boyu Wang, Shuzhan Huang, Xiaofen Jiang, Jue Wang, Wenzhou Medical University, Department of Cardiovascular Surgery, The First Affiliated Hospital of Wenzhou Medical University, Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University

Perfusion

Published online on July 10, 2026

Abstract

Perfusion, Ahead of Print.
BackgroundIn mitral valve surgery, cardioplegia is commonly dosed by body weight or body surface area (BSA), which may not reflect true cardiac mass. We evaluated whether indexing the initial dose to left ventricular (LV) mass improves dosing fidelity....