Norepinephrine weaning guided by the Hypotension Prediction Index in vasoplegic shock after cardiac surgery: protocol for a single-centre, open-label randomised controlled trial - the NORAHPI study

在心脏手术后血管麻痹性休克中，基于低血压预测指数指导去甲肾上腺素撤药：一项单中心、开放标签随机对照试验方案——NORAHPI 研究