Patellar tendon angle
Patellar tendon angle
定义
髌腱角是一种用于评估胫骨解剖学特征的测量指标,适用于易感犬或存在前十字韧带断裂风险的犬。该测量值由胫骨的内外侧位X线片确定。X线束以膝关节为中心,伸展角为135±5°。当股骨髁相互重叠时,内外侧位投照被认为是可接受的。
髌腱角的测量方法为:胫骨近端关节定向线(胫骨平台)与一条从髌骨最颅侧点至胫骨粗隆最颅侧点所作连线之间的角。
以下为已发表的髌腱角参考值:
拉布拉多寻回犬:106.9±3.9°(Vedrine et al. 2013)
大型犬:96°(70-116)(Schwandt et al. 2006)
约克夏梗:103.7±6.5°(Vedrine et al. 2013)
小型犬:103.7±6.2°(Witte 2015)
參考資料
Vedrine B, Guillemot A, Fontaine D, Ragetly GR, Etchepareborde S. Comparative anatomy of the proximal tibia in healthy Labrador Retrievers and Yorkshire Terriers. Vet Comp Orthop Traumatol. 2013;26(4):266-70. doi: 10.3415/VCOT-12-02-0018. Epub 2013 Apr 24.
Witte PG. Tibial anatomy in normal small breed dogs including anisometry of various extracapsular stabilizing suture attachment sites. Vet Comp Orthop Traumatol. 2015;28(5):331-8. doi: 10.3415/VCOT-14-12-0186. Epub 2015 Jul 21. PMID: 26195139.
Schwandt CS, Bohorquez-Vanelli A, Tepic S, Hassig M, Dennler R, Vezzoni A, Montavon PM. Angle between the patellar ligament and tibial plateau in dogs with partial rupture of the cranial cruciate ligament. Am J Vet Res. 2006 Nov;67(11):1855-60. doi: 10.2460/ajvr.67.11.1855. PMID: 17078746.