朱玉鹏,徐俊,王奇政,陈永晔,秦思源,颜瑞馨,辛培锦,郎宁.膝关节股骨髁间切迹解剖特征用于预测非接触性前交叉韧带撕裂[J].中国医学影像技术,2024,40(6):902~906
膝关节股骨髁间切迹解剖特征用于预测非接触性前交叉韧带撕裂
Anatomical characteristics of femoral intercondylar notch of knee joint for predicting non-contact anterior cruciate ligament tear
投稿时间:2024-01-04  修订日期:2024-01-25
DOI:10.13929/j.issn.1003-3289.2024.06.022
中文关键词:  前交叉韧带  膝关节  磁共振成像
英文关键词:anterior cruciate ligament  knee joint  magnetic resonance imaging
基金项目:
作者单位E-mail
朱玉鹏 北京大学第三医院放射科, 北京 100191  
徐俊 北京大学第三医院放射科, 北京 100191  
王奇政 北京大学第三医院放射科, 北京 100191  
陈永晔 北京大学第三医院放射科, 北京 100191  
秦思源 北京大学第三医院放射科, 北京 100191  
颜瑞馨 北京大学第三医院放射科, 北京 100191  
辛培锦 北京大学第三医院放射科, 北京 100191  
郎宁 北京大学第三医院放射科, 北京 100191 langning800129@126.com 
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中文摘要:
      目的 观察以膝关节股骨髁间切迹解剖特征预测非接触性前交叉韧带撕裂(NC-ACLT)的价值。方法 对55例NC-ACLT患者(NC-ACLT组)及55名对照者(对照组)行膝关节MR,测算髁间切迹参数(深度、宽度、深度/宽度比值、开口宽度、开口宽度指数、面积及同水平股骨髁外缘宽度)并进行组间比较;记录髁间切迹类型(A、U及W型)。采用单因素及多因素logistic回归分析筛选NC-ACLT的独立影响因素;绘制受试者工作特征曲线,计算曲线下面积(AUC),评估各髁间切迹参数预测NC-ACLT的效能。结果 NC-ACLT组髁间切迹深度及深度/宽度比值均高于、开口宽度及开口宽度指数均低于对照组(P均<0.05)。多因素logistic回归分析显示,髁间切迹深度为NC-ACLT的独立影响因素(P<0.05)。以髁间切迹深度29.55 mm、深度/宽度比值1.45、开口宽度21.15 mm及开口宽度指数0.29为最佳截断值,各髁间切迹参数预测NC-ACLT的敏感度分别为74.55%、58.18%、67.27%及67.27%,特异度分别为69.09%、80.00%、61.82%及78.18%,AUC分别为0.720、0.713、0.652及0.710。结论 膝关节股骨髁间切迹解剖特征可用于预测NC-ACLT,髁间切迹深度、深度/宽度比值、开口宽度及开口宽度指数可作为预测指标。
英文摘要:
      Objective To observe the value of anatomical characteristics of femoral intercondylar notch of knee joint for predicting non-contact anterior cruciate ligament tear (NC-ACLT). Methods MRI data of knee joint of 55 patients with NC-ACLT (NC-ACLT group) and 55 controls (control group) were retrospectively analyzed. The parameters of intercondylar notch, including depth, width, depth/width ratio, opening width, opening width index, area and width of the femoral condyle's outer edge at the same level were measured between groups, and the types of intercondylar notch (type A, U and W) were recorded. Univariate and multivariate logistic regression analysis were used to screen the independent impact factors of NC-ACLT. Receiver operating characteristic curves were drawn, and the area under the curves (AUC) were calculated to evaluate the efficacy of each intercondylar notch parameter for predicting NC-ACLT. Results The depth and depth/width ratio of intercondylar notch in NC-ACLT group were both higher, while the opening width and opening width index of intercondylar notch in NC-ACLT group were both lower than those in control group (all P<0.05). Multivariate logistic regression analysis revealed that the depth of intercondylar notch was an independent impact factors of NC-ACLT (P<0.05). Taken 29.55 mm in depth of intercondylar notch, 1.45 in depth/width ratio of intercondylar notch, 21.15 mm in opening width of intercondylar notch and 0.29 in opening width index as the optimal cut-off value, respectively, the sensitivity of the above parameters for predicting NC-ACLT was 74.55%, 58.18%, 67.27% and 67.27%, the specificity was 69.09%, 80.00%, 61.82% and 78.18%, and the AUC was 0.720, 0.713, 0.652 and 0.710, respectively. Conclusion The anatomical characteristics of femoral intercondylar notch of knee joint could be used to predict NC-ACLT. The depth, depth/width ratio, opening width and opening width index of intercondylar notch could be used as predictive indicators.
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