髌骨成形术对类风湿关节炎全膝关节置换术后髌骨轨迹和膝前痛的影响

分析全膝关节置换术（total knee arthroplastv,TKA）保留髌骨并行髌骨成形术后对膝前区疼痛及髌骨运动轨迹影响的疗效,为临床治疗提供参考。2007年1月~2011年1月,共随访类风湿关节炎保留髌骨全膝关节置换术患者226例383膝,其中男51例,女175例,年龄34~85岁。所有患者膝关节评分采用美国HSS评分系统,髌骨评分采用Feller等评分标准,随访时调查膝前痛,拍摄膝关节正、侧及髌骨90度轴位X射片。髌骨成形术：去除髌骨周围所有骨赘,磨平边缘,修整髌骨至Wiberg分型II型,用电刀切除髌骨周围软组织,试模复位后无拇指试验no thumb test阳性者松解髌骨支持带。结果显示患者术前、术后的HSS评分、髌骨评分、膝前痛评分、髌骨功能评分差异均有显著意义（P〈0.01）。类风湿关节炎保留髌骨的全膝关节置换术,术中对髌骨进行髌骨成形术处理,使髌骨形态恢复至Wiberg分型II型,术后髌骨运动轨迹良好,膝前痛的发生率低,术后疗效可靠。     

股骨滑车及髌骨发育不良的MRI表现及其临床意义分析

目的：探讨股骨滑车及髌骨发育不良的MRI表现及其与髌股关节紊乱症的相关性。方法膝关节病例组26例（30个膝）及对照组30例（30个膝）均行MRI检查,在股胫关节上方3 cm层面进行测量,对TT-TG间距、股骨滑车前上侧突起、内外侧滑车关节面比例、外侧倾斜角、髌骨Wiberg分型及指数进行定性及定量分析（注释：在观察的指标中,TT-TG间距、股骨滑车前上侧突起、内外侧滑车关节面比例、外侧倾斜角、髌骨Wiber指数为定量分析,髌骨Wiberg分型为定性分析）。结果两组别TT-TG间距（P＝0.02）、滑车前上缘突起（P＝0.00）、外侧倾斜角（P＝0.00）、内外侧关节面比值（P＝0.01）、髌骨Wiberg指数（P＝0.00）的测量值差异均具有非常显著的统计学差异;WibergⅠ-Ⅱ型组与WibergⅢ-Ⅳ型组Wiberg指数的均值具有显著的统计学差异（P＝0.00）。髌骨Wiberg指数与股骨滑车发育形态、髌骨Wiberg分型呈负相关;股骨滑车发育类型与髌骨分型呈正相关。结论股骨滑车与髌骨发育不良常常同时存在（P＝0.00）,成为髌股关节紊乱症的骨发育结构不良的直接原因。MRI横轴位对股骨滑车发育不良的诊断具有非常重要的价值,应纳入膝关节检查的常规扫描。     

Reliability of plain radiographic parameters for developmental dysplasia of the hip in children

Introduction

Few studies have evaluated the reliability and reproducibility of the femoral neck-shaft angle (NSA), center-edge angle (CEA), and acetabular index (AI) in young children with developmental dysplasia of the hip (DDH). We wanted to determine whether these parameters could be used reliably by practitioners.

Methods

Fifty radiographs from 21 children with DDH were reviewed. Analysis was performed by three observers, at two time periods. The intra- and inter-observer reliability for each measure was assessed.

Results

At time period one, we noted a “high” level of agreement between observers when measuring the NSA, a “low” level when measuring the CEA, and a “moderate” level when measuring the AI. At time period two, we noted a “very high” level of agreement between observers when measuring the NSA and a “high” level when measuring the CEA and AI. When comparing the measurements of observer 1 at the two different time periods, we noted nearly “very high” agreement when measuring the NSA, a “moderate” agreement when measuring the CEA, and a “high” agreement for the AI. In comparing the measurements of observer 2, we noted “very high” agreement for the NSA and “high” agreement for the CEA and AI. In comparing the measurements for observer 3, we noted nearly “very high” agreement for the NSA, nearly “high” agreement for the CEA, and “high” agreement for the AI.

Conclusion

It is difficult to reliably measure three-dimensional pelvic morphology on a frontal plane radiograph, especially when important pelvic landmarks have yet to ossify.     

基于Wiberg分型探讨髌骨形态对髌股关节病变病人全膝关节置换术疗效的影响

目的 基于髌骨Wiberg分型探讨不同髌骨形态对于合并髌股关节病变的膝关节骨关节炎病人全膝关节置换术（total knee arthroplasty,TKA）的疗效影响。方法 将2018年1月至2022年1月接受初次TKA并符合标准的184例病人作为研究对象,根据病人术前髌骨形态Wiberg分型分为W1（Ⅰ型52例）、W2（Ⅱ型93例）、W3（Ⅲ型39例）三组,随访收集并比较病人手术前后的膝前方疼痛发生率、疼痛视觉模拟量表（VAS）评分、牛津大学膝关节评分（Oxford Knee Score,OKS）、Feller评分以及影像学资料。结果 三组病人末次随访时的各项观察指标均较术前明显改善（P<0.05）,其中术后12个月随访时,W3组病人术后膝前痛程度和发生率显著高于W1、W2两组;同时W1、W2组的OKS评分中第12题的得分明显优于W3组,W1、W2组的Feller评分明显高于W3组,差异有统计学意义（P<0.05）。结论 Wiberg分型为Ⅰ、Ⅱ型髌骨的病人TKA术后的膝前痛程度、发生率以及髌股关节功能的改善情况均优于Ⅲ型病人,而部分磨损过于严重的Ⅲ型病人是否适合TKA...