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桑德斯II型和III型骨折的不同内部固定方法:五年后期研究和有限元分析

Dewei Kong¹, Zhen Yang², Xinbin Fan³

¹Postgraduate Training Base at Shanghai Gongli Hospital, Ningxia Medical University, Shanghai, China.

Orthopaedic surgery

|January 18, 2025

概括

通过皮肤进行的最小侵入性螺丝内固定 (PMISIF) 提供了与骨骨折的其他方法相似的功能结果. 这种技术减少了手术创伤和并发症,导致住院时间缩短.

科学领域:

整形外科手术整形外科手术
创伤外科手术创伤外科
生物力学生物力学

背景情况:

骨折可以导致由于软组织缺陷和伤口愈合并发症导致显著的发病率.
正在探索最少的侵入性技术,以改善骨骨折治疗的结果.

研究的目的:

为了评估穿皮微创螺杆内固定 (PMISIF) 在治疗骨折的疗效.
为了比较PMISIF与状鼻腔切口板内部固定 (TSIPIF) 和延伸侧切口板内部固定 (ELIPIF).
通过有限元分析分析不同固定方法的机械稳定性.

主要方法:

对83名桑德斯II和III型骨折患者的回顾性分析,这些患者接受PMISIF,TSIPIF或ELIPIF治疗.
术后参数的比较:住院,流血,手术时间,排水和伤口并发症.
对Gissane和Bohler角的评估.
在应力下对三个固定模型进行有限元分析,以评估位移和应力分布.

主要成果:

与ELIPIF和TSIPIF相比,PMISIF的手术时间更短,切口更小,住院时间更短,术后并发症更少.
在手术后12个月,美国整形足和脚协会 (AOFAS) 的类似的优秀/好评分 (PMISIF的96.9%) 达到12个月.
有限元分析显示PMISIF模型中峰值应力和位移较低,表明生物力学稳定性优越.

结论:

PMISIF的功能结果与骨骨折的传统方法相美.
PMISIF提供了减少手术创伤,降低并发症率和更短的住院时间的优势.
该技术提供了与其他固定方法相似的生物力学稳定性.

关键词:

这是AOFASAS的AOFAS.桑德斯桑德斯桑德斯桑德斯桑德斯骨骨折骨骨折骨骨折骨骨折有限元分析是有限元分析.

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Fractures: Bone Repair

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