目的　探讨SARS患者心功能不全的影响因素和处理方法。方法　回顾性分析 30 4例SARS患者住院期间的临床资料。结果　经逐步COX回归分析显示 ,与SARS患者心功能不全有关的影响因素有血氧饱和度、重症患者、糖尿病、心律失常、白细胞总数、淋巴细胞绝对值和心肌酶。结论　心律失常、糖尿病和重症SARS等是影响心脏功能的主要危险因素 Objective To investigate the influencing factors and treatment of heart failure in SARS patients. Methods The clinical data of 30 4 SARS patients during hospitalization were retrospectively analyzed. Results The results of stepwise COX regression analysis showed that the influencing factors of cardiac insufficiency in SARS patients were oxygen saturation, critically ill patients, diabetes mellitus, arrhythmia, total white blood cells, absolute lymphocytes and myocardial enzymes. Conclusions Arrhythmia, diabetes and severe SARS are the major risk factors affecting cardiac function