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KMID : 0358820100370050712
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Journal of Korean Society of Plastic and Reconstructive Surgeons
2010 Volume.37 No. 5 p.712 ~ p.716
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Superior Gluteal Artery Perforator Turn-Over Flap Coverage for Lumboscaral Soft Tissue Defect in Ambulatory Patient
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Moon Suk-Ho
Kim Dong-Seok
Oh Deuk-Young
Lee Jung-Ho
Rhie Jong-Won
Seo Je-Won
Ahn Sang-Tae
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Abstract
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Purpose:Extensive lumbosacral defects after removal of spinal tumors have a high risk of wound healing problems. Therefore it is an effective reconstructive strategy to provide preemptive soft tissue coverage at the time of initial spinal surgery, especially when there is an instrument exposure. For soft tissue reconstruction of a lumbosacral defect, a variation of the gluteal flap is the first-line choice. However, the musculocutaneous flap or muscle flap that is conventionally used, has many disadvantages. It damages gluteus muscle and causes functional disturbance in ambulation, has a short pedicle which limits areas of coverage, and can damage perforators, limiting further surgery that is usually necessary in spinal tumor patients. In this article, we present the superior gluteal artery perforator turn-over flap that reconstructs complex lumbosacral defects successfully, especially one that has instrument exposure, without damaging the ambulatory function of the patient.
Methods:A 67 year old man presented with sacral sarcoma. Sacralectomy with L5 corpectomy was performed and resulted in a sized complex soft tissue defect in the lumbosacral area. There was no defect in the skin. Sacral stabilization with alloplastic fibular bone graft and reconstruction plate was done and the instruments were exposed through the wound. A sized superior gluteal artery perforator flap was designed based on the superior gluteal artery perforator and deepithelized. It was turned over 180 degrees into the lumbosacral dead space. Soft tissue from both sides of the wound was approximated over the flap and this provided in double padding over the instrument.
Results:No complications such as hematoma, flap necrosis, or infection occurred. Until three months after the resection, functional disturbances in walking were not observed. The postoperative magnetic resonance imaging scan shows the flap volume was well maintained over the instrument.
Conclusion:This superior gluteal artery perforator turn-over flap, a modification of the conventional superior gluteal artery perforator flap, is a simple method that enabled the successful reconstruction of a lumbosacral defect with instrument exposure without affecting ambulatory function.
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KEYWORD
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Sacrum, Gluteal flap
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