Hasegawa Y, Iwata H, Mizuno M, Genda E, Sato S, Miura T
Department of Orthopaedic Surgery, Nagoya University School of Medicine, Japan.
Arch Orthop Trauma Surg. 1992;111(4):187-91. doi: 10.1007/BF00571474.
In 59 patients, 86 hips with subluxation or hip dysplasia were examined to determine the natural course of the condition and select suitable treatment. Thirty-three percent of the joints (13/39 hips) developed early osteoarthritis from pre-osteoarthritis within an average term of 9.2 years, while the remaining, sixty-six percent (31/47 hips) developed advanced-stage osteoarthritis from early osteoarthritis within an average term of 7.8 years. Patients were classified into advanced and non-advanced groups according to radiographic analysis of the advanced groups according to radiographic analysis of the advance of the disease and statistical analysis was performed. In pre-osteoarthritis, centre-edge angle, slope of the acetabular roof, acetabular head index, acetabular depth ratio and Japanese Orthopaedic Association (JOA) hip score were significant predictors, while in early osteoarthritis, a broken Shenton's line, cranial joint space and JOA score were significant. On the basis of multiple parameters, formulas for predicting development in patients with pre-osteoarthritis, those with early osteoarthritis, and all patients together were established, with an accuracy of 87%, 71%, and 68%, respectively.
对59例患者的86个存在半脱位或髋关节发育不良的髋关节进行了检查，以确定病情的自然发展过程并选择合适的治疗方法。33%的关节（13/39个髋关节）在平均9.2年的时间内从骨关节炎前期发展为早期骨关节炎，而其余66%（31/47个髋关节）在平均7.8年的时间内从早期骨关节炎发展为晚期骨关节炎。根据疾病进展的影像学分析将患者分为晚期组和非晚期组，并进行了统计分析。在骨关节炎前期，中心边缘角、髋臼顶斜率、髋臼头指数、髋臼深度比和日本矫形外科学会（JOA）髋关节评分是显著的预测指标，而在早期骨关节炎中，Shenton线中断、颅侧关节间隙和JOA评分是显著指标。基于多个参数，建立了骨关节炎前期患者、早期骨关节炎患者以及所有患者总体病情发展的预测公式，准确率分别为87%、71%和68%。
