Radiographic characteristics of femur nutrient artery in adult patients with developmental dysplasia of the hip
Zhou Yangsheng1, Liang Du1, Yang Minzhi2,3, Kong Xiangpeng2, Guo Renwen2, Cao Zheng2,3, Wu Dong2, Chai Wei2
1Department of Hip Joint, Guangzhou Orthopedic Hospital, Guangzhou 510045,China; 2Department of Orthopaedics, the First Medicine Center of Chinese People's Liberation Army General Hospital, Beijing 100089, China; 3Department of Clinical Medicine, Medicine School of Nankai University, Tianjin 300071, China
Abstract：Objective To observe the characteristics of adult developmental dysplasia of the hip(DDH) patients' femur nutrient arteries by hip X-rays so as to avoid misdiagnosis of fracture.Methods A total of 163 patients(244 hips) in the Chinese PLA General Hospital with full-leg radiography and hip X-ray film were included from January 2016 to December 2018. There were 20 males and 143 females with an age of 20-69 (42±16.14) years old, Crowe type Ⅰ 72 hips, typeⅡ 58 hips, type Ⅲ 46 hips, and type Ⅳ 68 hips.The X-ray films with the femur nutrient artery were counted and measured. The arteries' direction and length (D), length of shaft (L), the angle between the vascular and the femoral anatomic line (α), the distance from the distally of artery to the apex of the greater trochanter (d) , ratio of the position entering the femoral shaft (R=d/L), were observed on the lateral x-ray film on the lateral radiograph. The correlation between D, R and α was analyzed.Results The visible percentage of femur nutrient arteries was 40.16% (98 in 244 hips). The D was 1.22-11.08(4.75±2.21)cm; the L was 38.83-46.88(42.52±1.90)cm. In the lateral X-rays, it ran from the posterior side to the front of the femur, the median of α was 8.20 °(5.58°, 12.79°); the d was 10.82-26.82(19.13±4.09)cm; the R was 0.26-0.60(0.45±0.09). A good correlation was found among D, R and α(r=0.673, rs=-0.690, rs=-0.680; all P values＜0.01).Conclusions It is common to see the femur nutrient artery in hip X-ray film of DDH patients. Femur nutrient artery has its own characteristics, which could be provided to distinguish it from fracture.
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Zhou Yangsheng, Liang Du, Yang Minzhi, Kong Xiangpeng, Guo Renwen, Cao Zheng, Wu Dong, Chai Wei. Radiographic characteristics of femur nutrient artery in adult patients with developmental dysplasia of the hip. Chinese Journal of Anatomy and Clinics, 2020, 25(1): 26-30.
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2020, Vol. 25 
