Free-style Deepithelialized Propeller Flaps: An Ideal Local Flap to Obliterate Wounds with Dead Space

Background: The reconstruction of the posterior trunk, especially with large dead spaces, remains challenging. Regional muscle flaps may lack adequate volume and reach. The purpose of this report was to evaluate the efficacy of deepithelialized free-style perforator-based propeller flaps to obliterate defects with large dead space. Methods: A total of 7 patients with defects on the posterior trunk with large dead spaces were evaluated. After complete debridement or resection, all flaps were designed on a single perforator adjacent to the defect, deepithelialized, and then rotated in a propeller fashion. Flaps were further modified in some cases such as folding the flap after deepithelialization to increase bulk and to obliterate the dead space. Results: The flap dimension ranged from 10 × 5 × 1 to 15 × 8 × 2.5 cm based on a single perforator. The rotation arch of the flap ranged from 90 to 180 degrees. Uneventful healing was noted in all cases. One case showed latent redness and swelling at 7 months after falling down, which resolved with medication. During the average follow-up of 28 months, there were no other flap and donor site complications. Conclusion: The deepithelialized propeller flap can be used efficiently to obliterate dead spaces in the posterior trunk and retains advantages such as having a good vascular supply, adequate bulk, sufficient reach without tension, and minimal donor site morbidity.

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