• Department of Orthopedics, the Forth Medical Center of Chinese PLA General Hospital, Beijing, 100048, P.R.China;
WANG Xiaoning, Email: wxn304@126.com
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Objective To summarize the research progress of osteonecrosis of femoral head (ONFH) following femoral intertrochanteric fractures in adults.Methods Relevant literature at home and abroad was extensively reviewed to summarize the pathogenesis, high-risk factors, and treatment of ONFH after femoral intertrochanteric fracture in adults.Results ONFH after femoral intertrochanteric fracture mostly occurs within 2 years after operation, with a lower incidence. At present, it is believed that comminuted and large displacement fractures caused by high-energy injuries, fracture line close to the base of neck, excessive external rotation deformity, improper intramedullary nail entry points, and rough intraoperative manipulating may injury the deep branch of the medial circumflex femoral artery, causing ONFH. Hip replacement is the main treatment for necrosis, which can achieve good results.Conclusion Addressing the above risks, excessive external rotation, overstretching, and rough manipulating should be avoided. Anatomical reduction should be performed during the operation, the nail entry point should be accurate and avoid repeated drilling and thermally bone necrosis.

Citation: JIANG Yu, HUANG Xin, ZHU Yingbo, WANG Xiaoning, WU Kejian. Research progress in osteonecrosis of femoral head following femoral intertrochanteric fractures in adults. Chinese Journal of Reparative and Reconstructive Surgery, 2020, 34(11): 1458-1461. doi: 10.7507/1002-1892.202002111 Copy

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