Objective To observe the clinical effect of treatment of anterior cruciate ligament tibial eminence avulsion fractures with hollow screw through arthroscopy.Method 13 cases with anterior cruciate ligament tibial eminence avulsion fractures were treated through arthroscopy from February 2010 to March 2011.Fractures were reduction and fixed with hollow screw through arthroscopy.All the cases were followed-up more than 1 year.The evaluation of knee function was taken with Lysholm score system.Result All the cases were followed-up with mean time 16months (12～25months).The preoperative Lysholm scores ranged from 23 to 65,with a mean of (48.45±5.23),and the postoperative Lysholm scores ranged from 83 to 96,with a mean of (91.34±6.53).11 cases were excellent,1 good and 1 fair,the excellent and good rate was 92.3％.Conclusion It is an effiective method in the treatment of anterior cruciate ligament tibial eminence avulsion fractures with hollow screw through arthroscopy.it may produce less trauma and with quick healing.%目的 观察关节镜下空心螺钉固定ACL胫骨止点撕脱骨折的临床效果.方法 2010年2月～2011年3月,关节镜下空心螺钉固定ACL胫骨止点撕脱骨折13例,在关节镜下复位骨折块,空心螺钉固定骨折块.通过1年以上随访行疗效评定.患者膝关节功能以Lysholm评分系统评分.结果 全部病例获完整随访,平均随访16m(12～25m).Lysholm膝关节功能评分:术前23～65分,平均(48.45±5.23)分；术后83～96分,平均(91.34±6.53)分.优11例,良1例,中1例,优良率92.3％.结论 关节镜下空心螺钉固定ACL胫骨止点撕脱骨折创伤小、恢复快,是一种可行的方法.
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