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首页> 外文期刊>International Orthopaedics >Outcomes of computer-assisted peri-acetabular osteotomy compared with conventional osteotomy in hip dysplasia
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Outcomes of computer-assisted peri-acetabular osteotomy compared with conventional osteotomy in hip dysplasia

机译：与髋关节发育不良中的常规截骨术相比，计算机辅助腹腔截骨骨膜术的结果

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摘要

Aim of the study To compare the outcomes after computer-assisted peri-acetabular osteotomy (PAO) and conventional PAO performed for hip dysplasia (DDH). Methods Ninety-one patients (98 hips) were enrolled in this study. In each case, DDH was treated with either conventional PAO, in which the angle and direction of the osteotomy was determined by intra-operative X-ray examination, or with computer-assisted PAO, which used the 3D navigation system. Forty hips underwent conventional PAO and 58 hips underwent computer-assisted PAO. Results Japanese Orthopaedic Association hip scores improved significantly from 70.0 points pre-operatively to 90.7 points post-operatively in patients with conventional PAO, and from 74.5 points pre-operatively to 94.2 points post-operatively in patients with computer-assisted PAO. In all patients with computer-assisted PAO, the post-operative AHI and VCA angle were within the radiographic target zone. Some patients with conventional PAO had post-operative AHI and VCA angle outside of the target zone. We performed total hip arthroplasty (THA) on five of the 98 PAO hips (5.1%) after an average follow-up period of 5.4 years. None of 58 hips (0%) with computer-assisted PAO was revised. Discussion Computer-assisted PAO enabled intra-operative confirmation of osteotomy sites, and the position of the osteotomized bone fragment could be confirmed in real time. Adequate anterior and lateral coverage of the femoral head in patients with computer-assisted PAO resulted in no need for early conversion to THA, in contrast to conventional PAO. Conclusion Computer-assisted PAO not only improved accuracy and safety but also achieved sufficient anterior and lateral displacement to prevent the progression of DDH.
机译：该研究的目的是将计算机辅助围髋臼骨膜术（PAO）和常规PAO进行比较，对髋关节发育不良（DDH）进行常规PAO。方法在本研究中注册了九十一名患者（98髋）。在每种情况下，用常规Pao处理DDH，其中截骨术的角度和方向通过术中术内X射线检查来确定，或者使用使用3D导航系统的计算机辅助PAO来确定。四十髋关节常规Pao和58髋关节电脑辅助PAO。结果日本矫形协会髋关节评分在常规PAO患者患者患者中预先可操作地高达90.7点，从可操作地高达90.7分，在计算机辅助PAO患者中可操作地前64.5点。在所有计算机辅助PAO患者中，术后AHI和VCA角在放射线靶区内。一些常规PAO患者在目标区域外术后AHI和VCA角度。在平均随访期为5.4岁后，我们在98个Pao Hips（5.1％）中的五个中进行了总髋关节置换术（THA）。修订了具有计算机辅助PAO的58髋（0％）中没有58个臀部（0％）。讨论计算机辅助PAO能够实现骨质切片术部位的术语术语，并且可以实时确认骨质化骨片段的位置。与传统的PAO相比，计算机辅助PAO患者对股骨头的股骨头的足够的前侧和侧向覆盖导致了对THA的早期转化。结论计算机辅助PAO不仅提高了准确性和安全性，还可以实现足够的前部和横向位移以防止DDH的进展。

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