Abstract
Background. Many different operative options have been used to cover sacral defects. Perforator flap enables wide defect reconstruction with long pedicle and a large arc of rotation while preserving gluteus maximus muscle, but the risk of vessel injury can jeopardize flap survival. Perforator-based flap, the flap transposed without skeletonization of the perforator, requires much experience to be perfect in flap design to achieve tension-free closure. Methods. Fourteen modified parasacral perforator-based flap procedures were carried out on 14 patients. The records of patients at Chungnam National University Hospital from February 2017 to January 2020 were retrospectively reviewed. Results. All 14 flaps survived completely. One patient developed localized hematoma, and another presented with latent seroma. No donor or recipient site dehiscence or recurrence occurred during follow-up. Conclusion. We present our experience of a parasacral perforator-based flap with modified design of bilobed flaps. It could be performed easily and safely with less wound dehiscence and serve as a good practice model for young surgeons to cover small to moderately sized defects.
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