| 摘要: |
| 目的 利用膝关节核磁共振成像(MRI)扫描探讨中老年人髌股关节软骨退变程度与胫骨结节-股骨滑车沟间距(TT-TG)之间的关系。方法:选取2020年9月—2022年12月在我院行膝关节MRI扫描的中老年患者515例。由两名从事骨科相关的影像科医生对髌股关节软骨退变分级进行客观评价。并利用GE工作站使用膝关节轴位图像后处理，进行TT-TG距离测量。比较髌骨侧软骨退变及股骨滑车侧软骨退变各组间TT-TG间距，采用Logistic回归分析TT-TG间距是否是关节软骨退变的影响因素，并绘制受试者特征曲线(ROC)进行分析。结果:髌骨侧软骨退变及股骨滑车侧软骨退变各组间TT-TG间距存在统计学意义(P<0.05)。髌骨侧关节软骨退变分级与TT-TG间距存在相关性(P=0.021)；股骨滑车侧关节软骨退变分级与TT-TG间距不存在相关性(P=0.737)。TT-TG间距对评估髌骨侧关节软骨退变存在诊断意义(AUC=0.583)，但诊断能力较低；而对股骨滑车侧关节软骨退变则不存在诊断意义(AUC=0.487)。结论:TT-TG间距对于髌骨侧关节软骨退变分级有一定的预测作用，但是对于股骨滑车侧关节软骨退变无法准确预测。 |
| 关键词: 髌股关节 软骨退变 胫骨结节-股骨滑车沟间距 核磁共振成像 |
| DOI：10.3969/j.issn.1007-6948.2023.05.009 |
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| 基金项目: |
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| Study on the relationship between tibial tuberosity to trochlear groove distance and patellofemoral cartilage degeneration among middle-aged and senior patients |
| YU Zi-chuan,ZHAO Hui,WAN Ye-da |
| First Department of Radiology, Tianjin Hospital, Tianjin 300142, China |
| Abstract: |
| Objective To investigate the relationship between the patellofemoral cartilage degeneration and tibial tuberosity to trochlear groove distance (TT-TG) among middle-aged and senior patients using knee MRI scanning. Methods 515 patients (55-75 years old) who underwent knee joint MRI scans in our hospital from September 2020 to December 2022 were selected. To carry out retrospective collection and analysis of whom had knee MRI scanning. The patellofemoral cartilage degeneration conditions were graded by two trained musculoskeletal radiologists under objective evaluation. The TT-TG distance was measured by use of GE workstation to post-process the knee axial position image. One-way analysis of variance or Kruskal-Wallis H test was used to compare the differences among the groups. Logistic regression analysis was applied to analyze whether TT-TG distance was an influencing factor for cartilage degeneration, and a receiver operating characteristic curve (ROC curve) was drawn for further analysis. Results There was statistical significance in TT-TG distance between the groups of patellar side cartilage degeneration and femoral trochlear side cartilage degeneration (P<0.05). The grading of patellar side cartilage degeneration was correlated with TT-TG distance (P=0.021); the grading of femoral trochlear side cartilage degeneration was not correlated with TT-TG distance (P=0.737). TT-TG distance had diagnostic significance in evaluating patellofemoral cartilage degeneration (AUC=0.583), yet with low diagnosability; it had no diagnostic significance with femur trochlear side cartilage degeneration (AUC=0.487). Conclusion TT-TG distance may have certain effect in predicting the patellofemoral cartilage degeneration stages, but no effect in making accurate prediction of femoral trochlear side cartilage degeneration. |
| Key words: patellofemoral joint cartilage degeneration TT-TG distance magnetic resonance imaging |
