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在减肥后的MRI上,部形态学预测了开放或关闭减肥10年后的残余发育不良
Florian Schmaranzer1, Pedro Justo2, Jennifer R Kallini2
1Department of Diagnostic, Interventional, and Pediatric Radiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.
减少后的MRI测量,如冠状骨支骨距离和四肢厚度,可以预测关节张治疗后的长期残留支骨张力症 (RAD). 这些发现有助于评估部发育性形 (DDH) 的治疗成功.
科学领域:
- 整形外科手术 整形外科手术
- 儿科整形医生 儿科整形医生
- 放射学 放射学是一门学科.
背景情况:
- 仅有有限的证据表明,可以使用减少后的MRI形态参数来预测关节硬化治疗后的长期残留关节硬化 (RAD).
- 部发育性形 (DDH) 需要有效的方法来评估治疗结果.
研究的目的:
- 在DDH患者的封闭或开放降低后,评估降低后MRI形态参数对长期RAD的预测值.
- 为了确定特定的MRI测量,可以可靠地预测未来的关节稳定性和健康.
主要方法:
- 对42名患者 (47名部) 的回顾性研究,在部缩小手术后至少进行了10年的随访.
- 减少后的MRI测量包括形体版本,深度宽度比,股骨形体距离,形体指数,横横带厚度和肢体厚度.
- 在随访时,RAD被定义为需要进一步的手术或特定的acetabular指数/Severin分类标准.
主要成果:
- 近一半 (49%) 的部患有RAD,中位时间到失败为11.4年.
- 冠状骨骨距离 (AUC=0.95) 和四肢厚度 (AUC=0.91) 显示出预测RAD的最高分辨能力.
- 对于冠状骨骨距离的5mm截止值显示96%的灵敏度和83%的特异性;对于四肢厚度的4mm截止值显示96%的灵敏度和63%的特异性.
结论:
- 在减少后的MRI上,冠状骨骨距离和肢体厚度是预测缩后长期RAD的有价值的定量指标.
- 这些测量有助于评估还原的同心度和乙骨软骨的完整性,这对于预测DDH处理结果至关重要.
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