PU Luqiao , CUI Yi , SHI Rongmao , HE Bin , SUN Han , WANG Bo , XU Yongqing
  • Department of Orthopedics, the 920th Hospital of Joint Logistics Support Force, Kunming Yunnan, 650032, P.R.China;
XU Yongqing, Email: xuyongqingkm@163.net
Osteonecrosis of the femoral head; digital subtraction angiography; musculoskeletal flap transplantation
10.7507/1002-1892.202101132
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Objective To observe the effectiveness of digital subtraction angiography (DSA) assisted musculoskeletal flap transplantation in the treatment of osteonecrosis of the femoral head (ONFH).Methods The clinical data of 15 patients with 15 hips of ONFH admitted between January 2016 and December 2019 were retrospectively analyzed. All patients were male, aged 20-45 years, with an average age of 31.6 years. There were hormone type in 9 cases and alcohol type in 6 cases. The disease duration ranged from 15 days to 3 years, with an average of 8 months. The Association Research Circulation Osseous (ARCO) staging: 4 hips in stage Ⅱ, 11 hips in stage Ⅲ. The preoperative visual analogue scale (VAS) score was 6.2±0.2, and the Harris score of the hip joint was 57.3±1.3. Preoperative DSA examination of the femoral head was performed to determine the location of vascular lesions of the femoral head. According to the results of the angiography, the surgical selection of the musculoskeletal flap was guided. For the patients with both superior and inferior retinaculum vessels developed, simple core decompression was performed. For the patients with superior retinaculum vessels developed but inferior retinaculum vessels not developed, anterolateral tensor fasciae flap was used. For the patients whose superior retinaculum did not develop and the inferior retinaculum developed, posterolateral quadratus femoris flap was used. The fibular flap with anastomotic vessels was used in the patients whose superior and inferior retinaculum vessels were not developed.Results All 15 cases of 15 hips were followed up 6-24 months, with an average of 14 months. During the follow-up, the patient’s ONFH did not worsen, the femoral head did not collapse, the joint space was normal, and the hip joint fextion and extension function was acceptable. At last follow-up, the VAS score was 1.9±0.2, and the hip Harris score was 92.1±0.8, both of which were significantly improved when compared with preoperative ones (t=14.85, P=0.00; t=23.22, P=0.00).Conclusion For patients with ONFH who need musculoskeletal flap transplantation, preoperative DSA of femoral head can determine the location of vascular lesions of femoral head, so as to guide the selection of musculoskeletal flap transplantation, which is of great significance for hip-conserving surgery.

Citation： PU Luqiao, CUI Yi, SHI Rongmao, HE Bin, SUN Han, WANG Bo, XU Yongqing. Digital subtraction angiography assisted musculoskeletal flap transplantation for the treatment of osteonecrosis of the femoral head. Chinese Journal of Reparative and Reconstructive Surgery, 2021, 35(6): 673-677. doi: 10.7507/1002-1892.202101132 Copy

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