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Akita S, Yoshimoto H, Ohtsuru A, Hirano A, Yamashita S, et al.
Radiation protection dosimetry. Date of publication 2012 Oct 1;volume 151(4):656-60.
1. Radiat Prot Dosimetry. 2012 Oct;151(4):656-60. Epub 2012 Aug 22. Autologous adipose-derived regenerative cells are effective for chronic intractable radiation injuries. Akita S(1), Yoshimoto H, Ohtsuru A, Hirano A, Yamashita S. Author information: (1)Division of Plastic and Reconstructive Surgery, Department of Developmental and Reconstructive Medicine, Nagasaki University, Graduate School of Biomedical and Sciences, Nagasaki, Japan. akitas@hf.rim.or.jp Effective therapy for chronic radiation injuries, such as ulcers, is prone to infection. Stiffness is expected since the therapeutic radiation often involves wider and deeper tissues and often requires extensive debridement and reconstruction, which are not sometimes appropriate for elderly and compromised hosts. Autologous adipose-derived regenerative cells (ADRCs) are highly yielding, forming relatively elderly aged consecutive 10 cases, 63.6±14.9 y (52-89 y), with mean radiation dose of 75.0±35.4 Gy (50-120 Gy) were included with at least 10-month follow-up. Minimal debridement and ADRC injection in the wound bed and margin along with the injection of mixture of fat and ADRCs in the periphery were tested for efficacy and regenerated tissue quality by clinically as well as imaging by computed tomography and magnetic resonance imaging. Uncultured ADRCs of 1.6±1.3×10(7) cells were obtained. All cases healed uneventfully after 6.6±3.2 weeks (2-10 weeks) post-operatively. The done site morbidity was negligible and without major complications, such as paralysis or massive haematoma. The regenerated tissue quality was significantly superior to the pre-operative one and the mixture of fat and ADRCs connected to the intact tissue was very soft and pliable. Mean follow-up at 1.9±0.8 y (0.9-2.9 y) revealed no recurrence or new ulceration after treatment. Thus, the ADRCs treatment for decades-long radiation injuries is effective, safe and improves the quality of wounds. DOI: 10.1093/rpd/ncs176 PMID: 22914335 [Indexed for MEDLINE]
Appears in following Topics:
Radiation-Induced Cutaneous Damage - Treatment, Prevention, Patient Education
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