Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Kaufmann Bldg Ste 1011, 3471 Fifth Ave, Pittsburgh, PA 15213-3221, USA.
Knee Surg Sports Traumatol Arthrosc. 2011 Dec;19 Suppl 1:S12-6. doi: 10.1007/s00167-011-1502-4. Epub 2011 Apr 7.
The primary purpose of this study was as follows: (1) to compare bony morphology in subjects with and without ACL injury. The secondary purposes were the following: (2) to compare bony morphology between men and women and (3) to determine whether MRI measurements of the notch correlate with intra-operative measurements.
MRI measurements of NW, bicondylar width, medial condyle size and lateral condyle size, and medial-to-lateral condyle ratio (M:L) were taken from 45 subjects with ACL injury and 44 subjects without ACL injury, by two independent observers. In addition, notch width measurements were taken arthroscopically in the 45 injured subjects. Knee morphometrics were compared between men and women. Additionally, values of ACL-injured and non-injured subjects were compared for male and female subjects separately. Correlations between notch measurements taken from MRI and measured arthroscopically were determined. Reliability of the MRI measurements was calculated.
Significant differences were found for bicondylar width (P = 0.001), medial condyle width (P = 0.002), and lateral condyle width (P = 0.002) between male and female subjects. When bony morphology was compared between ACL-injured and non-injured subjects, the male subjects showed significant differences for bicondylar width (P = 0.002) and medial condyle width (P = 0.008). For the female subjects, significant differences were found for bicondylar width (P = 0.009) and lateral condyle width (P = 0.002). There was no correlation between notch width measured on the MRI's and NW measured intra-operatively. The intra- and inter-observer reliability of the MRI measurements was satisfactory.
There were differences in bony morphology between men and women and between subjects with and without ACL injury. The bony morphology that was different between ACL-injured and non-injured subjects varied between male and female subjects.
本研究的主要目的如下：（1）比较 ACL 损伤患者与无 ACL 损伤患者的骨骼形态。次要目的如下：（2）比较男女之间的骨骼形态；（3）确定 MRI 测量的切迹与术中测量值是否相关。
由两位独立观察者对 45 例 ACL 损伤患者和 44 例无 ACL 损伤患者进行 NW、双髁宽度、内侧髁大小和外侧髁大小以及内外侧髁比值（M：L）的 MRI 测量。此外，在 45 例受伤患者中进行关节镜测量切迹宽度。比较男女之间的膝关节形态。另外，分别比较男性和女性 ACL 损伤和非损伤患者的数值。确定 MRI 测量的切迹与关节镜测量的相关性。计算 MRI 测量的可靠性。
男女之间的双髁宽度（P = 0.001）、内侧髁宽度（P = 0.002）和外侧髁宽度（P = 0.002）存在显著差异。当比较 ACL 损伤和非损伤患者的骨骼形态时，男性患者的双髁宽度（P = 0.002）和内侧髁宽度（P = 0.008）存在显著差异。对于女性患者，双髁宽度（P = 0.009）和外侧髁宽度（P = 0.002）存在显著差异。MRI 测量的切迹宽度与术中测量的 NW 之间无相关性。MRI 测量的观察者内和观察者间可靠性良好。
男女之间以及 ACL 损伤患者与非损伤患者之间存在骨骼形态差异。ACL 损伤和非损伤患者之间存在差异的骨骼形态在男性和女性患者之间有所不同。
