Objective: This randomized clinical trial aimed to investigate the clinical efficacy of combining a medial superior malleolar perforator flap from the posterior tibial artery (PTAPF) with a vacuum-assisted closure (VAC) dressing for skin and soft tissue defects in the Achilles tendon area.
Methods: Twenty-eight patients were randomly divided into two equally sized groups: the control group received treatment with a medial superior malleolar perforator flap, while the experimental group was treated with a perforator flap from the posterior tibial artery in combination with a VAC dressing. Perioperative data, including average operative time, intraoperative blood loss, intraoperative complications, time to ambulation, and hospital stay after surgery, were recorded. Clinical outcomes were assessed based on the time to first weight-bearing walking, time to full weight-bearing activity, Visual Analog Scale (VAS) score, American Orthopaedic Foot and Ankle Society hindfoot and ankle score, and the range of motion for ankle plantar flexion.
Results: The patients were monitored for 3-12 months (average, 8.5), and it was observed that the flaps remained stable without enlargement, and their texture and color were similar to the surrounding tissue. Significantly enhanced postoperative indices were noted in the experimental group compared to the control group (P<0.05).
Conclusion: The medial superior malleolar perforator flap from the posterior tibial artery, especially when combined with a VAC dressing, proves to be an effective method for repairing medium-sized skin defects in the Achilles tendon area. This approach offers several benefits, including a reliable blood supply, simplicity of the procedure, decreased damage to the donor site, improved aesthetic outcomes, and fewer postoperative complications.
Keywords: Achilles tendon; Posterior tibial artery; perforating branch; skin flap.
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