Objective:To explore the effect and experience of line suture anchor nail surgery in the treatment of acute traumatic patellar dislocation.Method:20 cases(20 knee,the experimental group) of acute traumatic patellar dislocation(for pure dislocation,not cartilage fracture, meniscus injury,cruciate ligament damage,etc.),patients with the arthroscopic microscopic diagnosis,articular cavity cleaning,lateral patellar retinaculum release,with small incision mediopatellar support and joint capsule line suture anchor nail repair,tightening,to observe the early clinical curative effect,with Lysholm score evaluation was knee joint function before and after operation,and always using traditional suture repair methods in the control group(20 cases,20 knee) in operation time,blood loss,postoperative recovery normal knee joint mobility postoperative recovery time of knees squats,returned to normal after running time,and after 2,4,6,8 weeks Lysholm the mean score were compared.Result:20 cases(20 knee) were for follow-up,follow-up of 4-31 months,an average of 15 months.Before all of the patients had no knee pain,elastic ring,no recurrent dislocation of the knee joint motion were back to normal,the experimental group and the control group in operation time,surgical blood loss,there were no statistical significance(P>0.05),postoperative recovery time normal knee joint mobility,postoperative recovery time of knees squats,returned to normal after running time there was statistical significance(P<0.05).Lysholm mean score was (96.7±2.0),compared with the control group was (85.9±2.0),the difference was statistically significant(P<0.05).Review of X-ray or CT pills,all patients were reset was good,with wire anchors were not loose or broken. Conclusion:Line suture anchor nail surgery in the treatment of acute traumatic patellar dislocation,as small arthroscopic surgery,trauma,and reset fixed firmer,early exercise,strengthening the knee muscle strength and joint mobility reduce complications,can short the recovery period,achieve a good reliable early clinical curative effect,restore the daily work,exercise,learning,long-term effect remains to be further follow-up observation.%目的：探讨使用带线缝合锚钉手术治疗急性创伤性髌骨脱位的临床疗效及体会。方法：对20例(20个膝，试验组)的急性创伤性髌骨脱位(为单纯脱位，不合并骨软骨骨折、半月板损伤、交叉韧带损伤等)患者，采用膝关节镜进行镜下诊断、关节腔清理、髌外侧支持带松解、小切口髌内侧支持带及关节囊带线锚钉缝合修补紧缩术，观察早期临床疗效，以Lysholm评分评价比较手术前后膝关节功能，并与既往使用传统缝合修复方法对照组(20例，20个膝)在手术时间、手术出血量、术后恢复正常膝关节活动度时间、术后恢复负重屈膝深蹲时间、术后恢复正常跑步锻炼时间及术后2、4、6、8周Lysholm平均评分进行比较。结果：20例患者(20个膝)均获得随访，随访时间4~31个月，平均15个月。所有患者均无膝前疼痛、弹响，无复发性脱位，膝关节活动度均恢复正常，试验组和对照组手术时间、手术出血量比较，差异均无统计学意义(P>0.05)，术后恢复正常膝关节活动度时间、术后恢复负重屈膝深蹲时间、术后恢复正常跑步锻炼时间比较，差异均有统计学意义(P<0.05)；试验组Lysholm平均评分(96.7±2.0)分，与对照组的(85.9±2.0)分比较，差异有统计学意义(P<0.05)；复查X线片或CT片，所有患者均复位良好，带线锚钉均无松动、松脱、断裂。结论：使用带线缝合锚钉手术治疗急性创伤性髌骨脱位，由于关节镜手术创伤小，且复位固定更牢固，早期加强膝关节肌力和关节活动度练习，减少了并发症，缩短了康复期，取得了良好的可靠的早期临床疗效，恢复了日常工作、体育锻炼、学习，远期效果有待进一步随诊观察。
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