Correction of Burn Scar Contracture: Indication and Choice of Free Flap.

Hur, Gi Yeun; Lee, Jong Wook; Koh, Jang Hyu; Seo, Dong Kook; Choi, Jai Koo; Jang, Young Chul; Oh, Suk Joon

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Original Article

Journal of the Korean Society of Plastic and Reconstructive Surgeons 2008;35(5):521-526.
Published online September 1, 2008.

Correction of Burn Scar Contracture: Indication and Choice of Free Flap.

Gi Yeun Hur, Jong Wook Lee, Jang Hyu Koh, Dong Kook Seo, Jai Koo Choi, Young Chul Jang, Suk Joon Oh

Department of Plastic and Reconstructive Surgery, School of Medicine, Hallym University, Seoul, Korea. jwlpsdoc@yahoo.co.kr

Abstract

PURPOSE
Most burn scar contractures are curable with skin grafts, but free flaps may be needed in some cases. Due to the adjacent tissue scarring, local flap is rarely used, and thus we may consider free flap which gives us more options than local flap. However, inappropriate performance of free flap may lead to unsatisfactory results despite technical complexity and enormous amount of effort. The author will discuss the points we should consider when using free flaps in treating burn scar contractures METHODS: We surveyed patients who underwent free flaps to correct burn scar contractures from 2000 to 2007. We divided patients into two groups. The first group was those in which free flaps were inevitable due to exposure of deep structures such as bones and tendons. The second group was those in which free flap was used to minimize scar contracture and to achieve aesthetic result.
RESULTS
We performed 44 free flap on 42 patients. All of the flaps were taken well except one case of partial necrosis and wound dehiscence. Forearm free flap was the most common with 21 cases. Most of the cases(28 cases) in which free flaps were inevitable were on the wrist and lower limbs. These were cases of soft tissue defect due to wide and extensive burns. Free flaps were done in 16 cases to minimize scar contracture and to obtain aesthetic outcome, recipient sites were mostly face and upper extremities.
CONCLUSION
When using free flaps for correction of burn scar contractures, proper release and full resurfacing of the contracture should be carried out in advance. If inadequate free flap is performed, secondary correction is more challenging than in skin grafts. In order to optimize the result of reconstruction, flap thickness, size and scar of the recipient site should be considered, then we can achieve natural shape, and minimize additional correction.

Keywords: Burn scar contracture; Free flap; Reconstruction

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