Relationship between the degree of stifle flexion and the proximal patellofemoral angle in the sagittal plane: A radiographic study.

IF 1.1 4区 农林科学 Q2 Veterinary
Juan José Camarasa, Rosario Vallefuoco, Felipe De Vicente
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引用次数: 0

Abstract

The objective of this study was to evaluate the position of the patella in relation to the proximal femoral axis in the sagittal plane and to assess its reliability as a surgical landmark for femoral component placement in canine hip replacement. The relationship between the patella and the proximal femoral axis was assessed by defining the proximal patellofemoral angle in medio-lateral radiographic projections with 3 different stifle angles (full flexion, 90°, full extension) in medium to large breed skeletally mature dogs (N = 14). Proximal patellofemoral angle measurements were compared between the 3 different groups of stifle position using ANOVA for statistical analysis. The mean proximal patellofemoral angle measurements were -7.4° (± 1.3°) in the flexion group, -1.6° (± 1.5°) in the 90° group, and 2.1° (± 1.8°) in the extension group. Statistically significant differences were seen in the proximal patellofemoral angle between groups (P ≤ 0.001). These results confirm that position of the patella related to the proximal femoral axis differs depending on the degree of stifle flexion. The degree of stifle flexion should be considered in the preoperative planning and intraoperatively when using the patella as a surgical landmark in the sagittal plane for femoral canal broaching in canine total hip replacement.

膝关节屈曲程度与髌股近端矢状面角的关系:影像学研究。
本研究的目的是评估髌骨在矢状面中相对于股骨近端轴的位置,并评估其作为犬髋关节置换术中股骨假体放置的外科标志的可靠性。通过确定3种不同膝关节角度(完全屈曲、90°、完全伸展)的中侧位x线片上髌骨近端角度来评估中大型成熟犬(N = 14)髌骨与股近端轴之间的关系。采用方差分析比较3组不同膝关节位的髌骨近端角测量值。髌骨近端平均测量角屈曲组为-7.4°(±1.3°),90°组为-1.6°(±1.5°),伸展组为2.1°(±1.8°)。两组髌骨近端角度差异有统计学意义(P≤0.001)。这些结果证实髌骨与股骨近端轴相关的位置取决于膝关节屈曲的程度。在犬全髋关节置换术中,髌骨作为矢状面股管拉入的手术标志时,术前规划和术中应考虑膝关节屈曲的程度。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
1.80
自引率
0.00%
发文量
58
审稿时长
>24 weeks
期刊介绍: The Canadian Journal of Veterinary Research, published by the Canadian Veterinary Medical Association, is Canada''s only veterinary research publication. This quarterly peer-reviewed online-only journal has earned a wide international readership through the publishing of high quality scientific papers in the field of veterinary medicine. The Journal publishes the results of original research in veterinary and comparative medicine.
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