目的 音乐对抗膝关节置换病人围手术期焦虑的作用。方法 2011年1月至2013年6月，考察膝关节置换患者90例，随 机分为治疗组和对照组，每组45例。治疗组在常规护理的同时播放优美悦耳的舒缓音乐，对照组术前术后常规护 理。两组患者的焦虑程度均按焦虑自评量表(self-rating anxiety scale，sas)评分，得分49以下为正常，50-59 为轻度，60-69为中度，69以上为重度。结果 焦虑变化情况：治疗组术前术后差异显著，对照组手术前后无显著差 异，治疗组与对照组术后比较差异显著，治疗组术后中重度焦虑患者明显小于对照组，患者术后情绪趋于稳定。结 论 舒缓的音乐有镇痛和镇静之功效，能消除紧张情绪分散注意力，从而使不良反应减弱。

Objective To observe music therapy against perioperative anxiety effect in knee replacement patients. Methods From January 2011 to June 2013, a total of 90 patients with knee replacements collected at admission has different randomly divided into the treatment group and the control group 45 cases, the treatment group play music while routine care; The control group, routine preoperative and postoperative care. Two groups of patients according to the degree of anxiety self-rating anxiety scale (SAS) to score. 49 points or less as normal; 50-59 mild; 60-69 as moderate; 69 points or more is severe. Results Anxiety change: the treatment group significantly different in before and after surgery; The control group was no significant difference in before and after surgery; The treatment group and the control group were significant difference. The severe anxiety patients in the treatment group were significantly less than that in the control group. Conclusion Music has analgesic and sedative effect, can eliminate distracting tension, so that adverse reactions weakened.