基于新分类的41例远端蒂股前外侧皮瓣回顾性临床研究

doi:10.13418/j.issn.1001-165x.2024.5.10

Abstract

Abstract: Objective To investigate the characteristics and surgical attentions of the distally-based anterolateral thigh (dALT) flap in order to improve the success rate of operation. Methods A retrospective analysis of 41 patients treated from November 2010 to February 2023 to repair soft tissue defects around the knee joint with dALT flaps. The dALT flap was classified into type I, type II, or type III based on the origin (the descending, oblique, or transverse branch) of the chosen perforator. The vascular pedicle length, repaired defect location, and flap outcome of different types were compared. Results The type Ⅰ flap had a shorter vascular pedicle that primarily reached closer regions (distal third of the thigh and anterior/lateral knee) (62.5%,15/24). Type Ⅱ and type Ⅲ flaps had longer pedicles that mostly reached more distal regions (medial/posterior knee and proximal third of the leg) (84.7%, 11/13; 100.0%, 4/4). However, the type Ⅲ flaps had higher complication rate (50.0%) and flap necrosis rate (25.0%). Conclusions To achieve more desirable outcomes using the dALT flap, preoperative assessment of vascular pedicle length and proper intraoperative maneuvers that avoid compromising the reverse blood circulation are necessary.

Key words: Anterolateral thigh flap, , , Perforator flap, , , Retrograde flap, , , Soft-tissue reconstruction, Lower extremity

CLC Number:

Du Qingyan, Zang Mengqing, Zhu Shan, Tong Dedi, Li Shanshan, Chen Zixiang, Liu Yuanbo. A retrospective clinical study of 41 cases of distally based anterolateral thigh flaps based on a new classification[J]. Chinese Journal of Clinical Anatomy, 2024, 42(5): 549-554.

References

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A retrospective clinical study of 41 cases of distally based anterolateral thigh flaps based on a new classification

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