关键词: 护理阶段死亡率分析；心脏外科；围手术期；护理质量；综述

Abstract: Phase of Care Mortality Analysis is a nursing quality improvement tool for cardiac surgery, which can help analyzing the root cause of death within 30 days after surgery. This article introduces the tools and methods for Phase of Care Mortality Analysis, and summarized the current clinical applications and analysis results abroad. This article introduces the clinical application and analysis results abroad. The article is hoped to provide reference for the postoperative mortality analysis of cardiac surgery patients in China, and to promote perioperative nursing management optimization and quality improvement.

Key words: Phase of Care Mortality Analysis; cardiac surgery; perioperative period; nursing quality; review