Effect of intravenous injection of Vitamin C on postoperative pulmonary complications in patients undergoing cardiac surgery

This is a double-blind, randomized trial study.This
study observed the effect of intravenous vitamin C during surgery on the
incidence of postoperative pulmonary complications(PPC) in patients undergoing
cardiopulmonary bypass and cardiac surgery, and evaluated its protective effect
on the lungs, providing a reference for clinical medication.

本研究为一项双盲随机对照试验，旨在观察术中静脉注射维生素C对接受体外循环（cardiopulmonary bypass）及心脏手术患者术后肺部并发症（postoperative pulmonary complications, PPC）发生率的影响，并评估其对肺部的保护作用，可为临床用药提供参考依据。