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关节镜下手术松解治疗跟骨骨折后距下关节僵硬

Arthroscopic release to treat subtalar stiffness after calcaneal fracture

摘要:

目的 探讨关节镜下手术松解治疗跟骨骨折后距下关节僵硬的临床效果.方法 2004年9月至2006年12月共治疗跟骨骨折后距下关节僵硬患者10例,其中男性8例,女性2例.年龄18~48岁,平均36岁.除2例为双足受累外,其余均为单足病变.根据AOFAS后足活动度分级标准,手术前10足为Ⅲ级,2足为Ⅱ级;AOFAS后足功能评分术前为71.4分.术中患者取侧卧位,分别建立外侧、前外侧、后外侧3种入路,逐步松解前方关节囊、距下关节外侧间隙、跟腓韧带、后方及后内侧关节囊.最后进行手法松解.结果 所有患者均获随访,随访时间12~36个月,平均24.5个月.末次随访时, AOFAS后足活动度分级标准9足后足活动度提高到Ⅰ级,3足提高到Ⅱ级,未见Ⅲ级病例.AOFAS后足功能评分术后为90.6分,与术前比较差异具有统计学意义(P<0.01).所有患者均在术后1~3个月(平均1.8个月)恢复原工作. 结论 关节镜下手术松解治疗跟骨骨折后距下关节僵硬具有微创、操作简单、疗效确切的优点.

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abstracts:

Objective To report the results of arthroscopic release to treat subtalar stiffness after calcaneal fractures. Methods From September 2004 to December 2006,10 cases of subtalar stiffness were treated. There were 8 male and 2 female cases, with an average age of 36 years old (ranging from 18 to 48). All, but 2 cases, had single subtalar involvement. The routine triple portals (lateral, anterolateral, posterolateral portals ) were applied with the patient placed in the lateral decubitus position. The anterior capsule, lateral gap, calcaneofibular ligament, posterior capsule together with the posteromedial corner of the subtalar joint were released step by step under arthroscopic control. Finally, manual release was performed. Results All cases were followed-up for 12 to 36 months (mean, 24.5 months). According to the AOFAS hindfoot activity rating scale, 10 cases were rated as Grade Ⅲ, 2 as Grade Ⅱ before the surgery. Nine cases were improved to GradeⅠ, 3 to Grade Ⅱ at the last follow-up after the surgery. AOFAS hindfoot scores were significantly improved from 71.4 before the surgery to 90.6 at the last follow-up (P<0.01). All cases returned to the previous work at an average of 1.8 months (range, 1 to 3 months) after the surgery. Conclusion Arthroscopic release to treat subtalar stiffness after calcaneal fracture has such advantages as minimally-invasiveness, simplicity and effectiveness.

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