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Journal of the Korean Society of Plastic and Reconstructive Surgeons 2008;35(6):653-658.
Published online November 1, 2008.
Clinical Application of Adipose Derived Stromal Cell Autograft for Wound Coverage.
Dong lin Seo, Seung Kyu Han, Kyung Wook Chun, Woo Kyung Kim
Department of Plastic Surgery, Korea University College of Medicine, Seoul, Korea. pshan@kumc.or.kr
Skin and soft tissue defect is one of the major challenges faced by plastic surgeons. Adipose derived stromal cells, which can be harvested in large quantities with low morbidity, display multilineage mesodermal potential. Therefore, adipose derived stromal cells have been met with a great deal of excitement by the field of tissue engineering. Recently, Adipose derived stromal cells have been isolated and cultured to use soft tissue restoration. In order to apply cultured cells for clinical purpose, however, FDA approved facilities and techniques are required, which may be difficult for a clinician who cultures cells in a laboratory dedicated to research to utilize this treatment for patients. In addition, long culture period is needed. Fortunately, adipose derived stromal cells are easy to obtain in large quantities without cell culture. The purpose of this study is to present a possibility of using uncultured adipose derived stromal cells for wound coverage. METHODS: Seven patients who needed skin and soft tissue restoration were included. Five patients had diabetic foot ulcers, 1 patient got thumb amputation, and 1 patient had tissue defect caused by resection of squamous cell carcinoma. The patients' abdominal adipose tissues were obtained by liposuction. The samples were digested with type I collagenase and centrifuged to obtain adipose derived stromal cells. The isolated adipose derived stromal cells were applied over the wounds immediately after the wound debridement. Fibrin was used as adipose derived stromal cells carrier. Occlusive dressing was applied with films and foams and the wounds were kept moist until complete healing.
One hundred to one hundred sixty thousand adipose derived stromal cells were isolated per ml aspirated adipose tissue. All patients' wounds were successfully covered with the grafted adipose derived stromal cells in a 17 to 27 day period. No adverse events related to this treatment occurred.
The use of uncultured adipose derived stromal cells was found to be safe and effective treatment for wound coverage without donor site morbidity.
Keywords: Wound healing; Uncultured adipose derived stromal cells
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