植骨在手术治疗跟骨关节内骨折中的作用
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植骨在手术治疗跟骨关节内骨折中的作用作者:孙骏,匡勇,谈绎文,顾新丰,乔琼
【摘要】目的通过前瞻性随机研究,观察植骨在切开复位内固定治疗关节内跟骨骨折中是否有益。
方法 2001年1月至2005年12月收治需要手术治疗的闭合性关节内跟骨骨折110 例,随机分为植骨组和非植骨组。
采用“L”形外侧延长切口,直视下显露整个跟骨外侧壁、距下关节后关节面及跟骰关节,给予跟骨骨折复位。
对于植骨组采用自体髂骨植骨填充复位后的骨缺损,而非植骨组则不进行植骨。
随后将塑形良好的跟骨解剖重建板放置于跟骨外侧壁以固定跟骨骨折。
手术前后摄片测量Bhler角,术后采用美国矫形足踝协会踝后足评分标准进行患者的功能评价。
结果手术前后植骨组和非植骨组的Bhler角增加没有统计学差异,术后6个月Bhler角的丢失也没有统计学差异,术后6个月、1年及2年的足功能评价也没有差异。
结论在手术治疗关节内跟骨骨折中植骨并不具有优势。
【关键词】 Bhler角;植骨;关节内跟骨骨折)
Abstract:Objective To determine whether autologous bone graft supplementation with open reduction and internal fixation of intraarticular calcaneal fractures is beneficial by prospective random research.Methods 110 cases of close
intraarticular calcaneal fractures which needed open reduction and internal fixation were randomly divided into bone graft group and non bone graft group from January 2001 to December 2005.Open reduction through the lateral extensile incision,and anatomic reduction of the posterior facet and fixation with anatomic plate were applied.The bone graft group got autologous bone graft supplementation while the non bone graft group didn′t.Postoperative and follow up radiographs assessed Bhler′s angle.A validated AOFAS ankle hindfoot scale assessed functional outcome after surgery.Results Statistical analysis found no significant difference between the bone graft and non bone graft patients regarding the change in Bhler′s angle obtained with surgery and the change in Bhler′s angle in the six months after surgery.No significant differences in functional outcome were detected at six month,one year and two year after surgery.Conclusion We found no benefit to the use of bone graft supplementation in the operative treatment of intraarticular calcaneal fractures.
Key words:bhler angle;bone graft;intraarticular calcaneal fracture
跟骨骨折是最常见的骨折之一,因跟骨及周围解剖结构复杂,局部软组织覆盖少,治疗困难,且后遗症多。
目前,切开复位内固定已成为治疗有移位跟骨骨折的最常用方法,适用于大多数有移位的跟骨骨折,尤其是关节内骨折。
其优点是
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