Mechanical cranial proximal tibial angle

Mechanical cranial proximal tibial angle

定义

Stephan Mahler

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机械颅侧近端胫骨角是用于评估胫骨成角畸形并为矫正提供指导的测量指标。该角度由整段胫骨的内外侧位X线片或多平面重建CT图像确定。进行X线影像学评估时,犬取侧卧位,拍摄内外侧位X线片:视野包括胫骨、膝关节跗关节;X线束以胫骨骨干中点为中心,膝关节与跗骨关节均屈曲90°。

机械颅侧近端胫骨角胫骨机械轴近端胫骨关节定向线在胫骨颅侧面所成的角。

以下为健康犬机械颅侧近端胫骨角的研究结果:

  • 小型犬:88° [71–102](Garnoeva et al. 2018)

  • 玩具贵宾犬:117.5 ± 4.7°(X线摄影)(Yasukawa et al. 2016)

  • 中大型犬:63,6 ± 4,2°(X线摄影)(Dismukes et al. 2008)

  • 玩具贵宾犬:111.3 ± 3.3°(CT)(Yasukawa et al. 2016)

參考資料

  • Dismukes DI, Tomlinson JL, Fox DB, Cook JL, Witsberger TH. Radiographic measurement of canine tibial angles in the sagittal plane. Vet Surg. 2008 Apr;37(3):300-5. doi: 10.1111/j.1532-950X.2008.00381.x.

  • Garnoeva, R, Roydev, R, Paskalev, M et al. Radiographic measures of pelvic limb malalignment in small breed dogs with various grades of medial patellar luxation. Comp Clin Pathol 2018;27, 1551–1555. doi.org/10.1007/s00580-018-2772-8

  • Yasukawa S, Edamura K, Tanegashima K, Seki M, Teshima K, Asano K, Nakayama T, Hayashi K. Evaluation of bone deformities of the femur, tibia, and patella in Toy Poodles with medial patellar luxation using computed tomography. Vet Comp Orthop Traumatol. 2016;29(1):29-38. doi: 10.3415/VCOT-15-05-0089. Epub 2015 Dec 7.

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