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Chinese Journal of Reparative and Reconstructive Surgery ; (12): 1458-1461, 2020.
Article Dans Chinois | WPRIM | ID: wpr-856213

Résumé

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.

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