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Eur J Trauma Emerg Surg · Apr 2022
Risk factors related to the partial necrosis of the posterior tibial artery perforator-plus fasciocutaneous flap.
- Ping Peng, Zhonggen Dong, Jianwei Wei, Lihong Liu, Zhaobiao Luo, and Lei Zheng.
- Department of Orthopedic Surgery, The Second Xiangya Hospital, Central South University, No. 139 Renmin Road, Changsha, 410011, Hunan, People's Republic of China.
- Eur J Trauma Emerg Surg. 2022 Apr 1; 48 (2): 1247-1253.
Purpose And BackgroundThe posterior tibial artery perforator-plus fasciocutaneous (PTAPF) flap is commonly used for defects over the distal lower extremity. However, the causes of partial necrosis of the PTAPF flap are unknown. This paper aimed to explore the factors related to the partial necrosis of the PTAPF flap.MethodsA retrospective study was conducted on 59 patients who received the PTAPF flap for soft-tissue defects between September 2007 and September 2017. The clinical outcomes of the flap were evaluated, and the patient and surgical factors related to flap survival were analyzed.ResultsOf the 59 patients, 9 (15.25%) flaps exhibited partial necrosis. No significant differences were found between the survival and partial necrosis groups regarding gender, age, soft tissue defect site, length and width of the fascia pedicle, length of the skin island, length-width ratio (LWR), and pivot point (P > 0.05). However, the survival group showed significantly less width of the skin island and total length of the flap than the partial necrosis group (P < 0.05). Multiple logistic regression analysis revealed that the width of the skin island was an independent risk factor affecting partial flap necrosis (OR = 4.028; P = 0.041).ConclusionsThe PTAPF flap can be effectively used to repair small and medium wounds of the lower and middle leg, ankle and foot. As the width of the skin island exceeds 6 cm, the risk of partial flap necrosis significantly increases.© 2021. Springer-Verlag GmbH, DE part of Springer Nature.
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