在临床工作中客观、标准、有效地评估手术风险,有利于判定病情和采取预防措施,可提高手术的成功率、减少术后并发症、降低死亡率具有重要的临床意义。目前临床上存在许多关于手术风险的评分系统,其中POSSUM(死亡率和并发症发生率的生理学和手术严重性评分系统,Physiological and Operative Severity Score for the enumeration Of Mortality and Morbidity,POSSUM)及其改良评分系统对手术风险评估的临床价值已得到充分肯定,现已广泛应用于骨科领域的手术风险评估中。 Objectively, standardly and effectively evaluating the operation risk in clinical work is beneficial to determine the condition and take preventive measures, which can improve the success rate of operation, reduce the postoperative complications and reduce the mortality rate has important clinical significance. There are currently many clinical scoring systems for surgical risk, including POSSUM (Physiological and Operative Severity Score for the Enumeration Of Mortality and Morbidity, POSSUM) and its Modified Score The systematic clinical risk assessment of the clinical value has been fully affirmed, has been widely used in the field of orthopedic surgery risk assessment.