Acetabular index

Acetabular index

定义

Stephan Mahler

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髋臼指数是用于评估犬髋关节解剖学的一项测量指标,尤其用于评价髋臼顶的外侧斜度,可用于髋关节发育不良的评分。髋臼指数由横断面二维CT图像确定。检查时犬取背卧位,髋关节伸展、内收并轻度内旋。测量在三张连续图像上进行,所选图像须包含髋臼窝、轮廓清晰的髋臼月状面承重区、圆形的股骨头股骨头凹

髋臼指数髋臼深度髋臼宽度之比乘以100。宽度沿月状面背外侧缘至腹外侧缘之间的连线测量。深度自月状面背内侧缘垂直量至上述宽度连线。

Lopez等(2008)发现,存在髋关节松弛的成年混血犬的髋臼指数为26.10 ± 2.58°(范围11.10 - 35.30)。

Andronescu等(2015)发表了髋臼指数与骨关节炎评分的对应结果:

  • 骨关节炎评分0分:31.22 ± 4.23

  • 骨关节炎评分1分:31.91 ± 3.42

  • 骨关节炎评分2分:34.16 ± 1.61

  • 骨关节炎评分3分:22.134 ± 8.66

Andronescu等(2015)发表了46只犬在各年龄段所有骨关节炎评分合并后的髋臼指数

  • 16周龄:30.63 ± 4.59

  • 32周龄:32.16 ± 3.46

  • 104周龄:28.02 ± 7.62

參考資料

  • Andronescu et al. (2015). Associations between early radiographic and computed tomographic measures and canine hip joint osteoarthritis at maturity. American Journal of Veterinary Research, 76(1), 19–27. doi:10.2460/ajvr.76.1.19

  • Lopez et al. (2008) Relationships among measurements obtained by use of computed tomography and radiography and scores of cartilage microdamage in hip joints with moderate to severe joint laxity of adult dogs. Am J Vet Res. Mar;69(3):362-70. doi: 10.2460/ajvr.69.3.362.

  • Schachner and Lopez (2015) Diagnosis, prevention, and management of canine hip dysplasia: a review. Vet Med (Auckl). May 19;6:181-192. doi: 10.2147/VMRR.S53266.

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