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[Application of anterolateral thigh bridge flap with free skin graft wrapping vascular bridge in complex calf soft tissue defects].

Authors:
Lin Zhong Liang He Dong Yin Zhe Jin Yang Niu Zifu Wang Jun Huang Tao Zhou Ding Zhou Hongxiang Zhou

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi 2022 May;36(5):619-624

The Microscopic Repair and Reconstruction Department of Hand and Foot, the First Affiliated Hospital of Anhui Medical University, Hefei Anhui, 230022, P. R. China.

Objective: To explore the effectiveness of anterolateral thigh bridge flap with free skin graft wrapping vascular bridge in repairing complex calf soft tissue defects.

Methods: The clinical data of 11 patients with complex calf soft tissue defects between April 2018 and October 2021 were retrospectively analyzed, including 9 males and 2 females, aged 11-60 years, with a median age of 39 years. There were 8 cases of calf soft tissue defect caused by traffic accident, and 3 cases of calf skin infection caused by chronic osteomyelitis. The skin and soft tissue defects ranged from 10 cm×8 cm to 35 cm×10 cm after thorough debridement and accompanied with bone and tendon exposure. There was only one main vessel in calf of 9 cases and no blood vessel that could be anastomosed with the flap vessel could be found in the recipient site of 2 cases. The anterolateral thigh skin flap (the flap size ranged from 12 cm×10 cm to 37 cm×12 cm) was taken to repair the soft tissue defect. The donor site of the flap was treated with direct suture (8 cases) or partial suture followed by skin grafting (3 cases), and the vascular bridge was wrapped with medium-thickness skin graft.

Results: The flaps of 11 patients survived completely without necrosis, infection, and vascular crisis. The blood supply of the vascular bridge was unobstructed and the pulse was good. The color of the medium-thickness skin graft were ruddy. All 11 patients were followed up 2-40 months, with an average of 19.4 months. The flaps healed well with the surrounding tissues without obvious exudation and color difference. The flaps had normal color and temperature, good blood supply, and soft texture. The shape of the flap and calf contour were satisfactory and the function of the limb recovered well. The donor area of thigh flap healed by first intention without obvious scar formation. The donor area of skin healed well with a longitudinal oblong scar only and the appearance was satisfactory.

Conclusion: The anterolateral thigh bridge flap transplantation with free skin wrapping vascular bridge is an effective method for the treatment of complex calf soft tissue defects.

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 Source
http://dx.doi.org/10.7507/1002-1892.202201093DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9108651PMC
May 2022

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