Objective:To evaluate the difference between ordinary and high -flexion prostheses clinical curative effect after total knee arthroplasty .Meth ods:Select patients from February 2010 to April 2012 in Luzhou Medical College Hospital Bone and Joint Surgery , u-nilateral or bilateral total knee replacement , the implants were high flexion and ordinary type , perioperative and surgical procedures are the same, the clinical efficacy of the two groups were compared after the operation .Results: patients included in the study were followed up for 24 to 48 months, mean 33.2 months.Two groups of patients were stage Ⅰincision healed without knee stiffness , blood vessels and nerve damage , and other complications occurred in one case where the general group after 3 years of infection , mainly because of poor nu-trition for the body, moderate -severe anemia, lower body resistance.2 years after two HSS score, pain score, activity (ROM), the complications, the difference was not significant (P>0.05), a significant difference (p <0.05) preoperative and postoperative evalua-tion .Conclusion:Description total knee arthroplasty function affected by many factors , fake choose just one factor of the degree of flex-ion contracture .%目的：评价高屈曲型与普通型假体在人工全膝关节置换术后的临床疗效的差异。方法：选择2010年2月～2012年4月于泸州医学院附属医院骨与关节外科行单侧或双侧全膝关节置换的病人，植入假体分别为高屈曲型与普通型，围手术期处理及手术方式均相同，比较2组患者术后的临床疗效。结果：纳入研究患者均获随访，随访时间24～48个月，平均33．2个月。2组患者切口均Ⅰ期愈合，无膝关节僵硬、血管及神经损伤等并发症发生，其中普通组中有1例术后3年发生感染，主要原因为身体营养太差，中－重度贫血，身体抵抗力降低。术后2年2组HSS评分、疼痛评分、活动度（ ROM），并发症比较，差异无显著性意义（P ＞0．05），2组术前与术后疗效评价有显著差异（p＜0．05）。结论：全膝关节置换术后功能受较多因素的影响，假体选择只是其中之一因素。
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