Chinese Journal of Clinical Anatomy ›› 2022, Vol. 40 ›› Issue (5): 555-561.doi: 10.13418/j.issn.1001-165x.2022.5.10

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Effects of Shenggu Zaizao Pills on related indexes of bone morphometry in steroid-induced necrosis of the femoral head in rabbits

Ma Xueqiang 1, Cao Linzhong 1,2*, Jiang Wei 2, Zhang Qi 2, Liu Mengchu 1, Wang Duoxian 1   

  1. 1. College of Traditional Chinese Medicine, Gansu University of Chinese Medicine, Lanzhou 730000, China;  2. Department of Orthopedics, Affiliated Hospital of Gansu University of Chinese Medicine, Lanzhou 730000, China
  • Received:2022-02-16 Online:2022-09-25 Published:2022-10-12

Abstract: Objective    To observe the intervention effect of Shenggu Zaizao Pills on steroid-induced necrosis of the femoral head (SONFH) rabbit femoral head histomorphology and related indexes of osteometry.    Methods    Twenty female New Zealand rabbits were randomly divided into a normal group, a model group, a Shenggu Zaizao pill group and a positive control drug Xianling Gubao capsule group, 5 in each group. Except the normal group, the other three groups received endotoxin combined with methylprednisone sodium succinate injection to modeling. After 28d, Shenggu Zaizao Pills group was given 2.4 g/kg Shenggu Zaizai Pills, Xianling Gubao Capsule group was given 0.4 g/kg Xianling Gubao Capsule, normal group and model group were given 10mL of normal saline, 1 time/d. After 28d, the bilateral femoral heads of the rabbits in each group were taken to perform Micro-CT scanning to analyze osteometric parameters. HE staining was used to observe the pathological changes of the femoral head tissue morphology.  Results    Compared with the normal group, Micro-CT scan analysis showed that the femoral head bone mineral density (BMD),bone volume fraction (BV/TV), trabecular bone number (Tb.N), trabecular bone thickness (Tb.Th) and connectivity density (Conn.D) in the model group significantly decreased, while trabecular bone separation (Tb.Sp) and structural model index (SMI) significantly increased (P<0.05). Microscopic observation of HE stained pathological sections showed that the rate of empty bone lacunae and the area of adipocytes in the model group significantly increased, the epiphysis was deformed, and the trabecular bone was hyperplasia, narrowed or broken. Compared with the model group, the osteometric and histopathological changes of the femoral head of the rabbits in the Shenggu Zaizao Pills group and Xianling Gubao Capsule group significantly improved (P<0.05). There was no significant difference in curative effect between Shenggu Zaizao Pills group and Xianling Gubao Capsules group (P>0.05).   Conclusions    Shenggu Zaizao Pills can significantly increase the level of SONFH osteometric indexes in rabbits and improve histopathological morphology, thereby achieving the effect of treating SONFH.

Key words: Steroid-induced femoral head necrosis; ,  , Shenggu Zaizao Pills; ,  , Bone tissue morphology, Bone measurement; ,  , Rabbit modeling

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