| Cryopreservation of Fat Tissue and Application in Autologous Fat Graft: In Vitro and In Vivo Study. | |
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MedLine Citation:
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PMID: 22190138 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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BACKGROUND: Absorption of the autologous fat graft results in repeated harvesting procedures. The cost and complications increase with repeated procedures, but cryopreservation is one way to solve the problem. The aim of this study was to find an optimal temperature at which to store fat tissue with or without cryoprotective agents for long-term use. METHODS: Fat tissues harvested by liposuction were stored in normal saline, frozen in the freezer following the preset program, and cryopreserved at -20, -80, and -196°C. The other group of fat tissues was stored in hydroxyethyl starch using the same frozen procedure. Two and 7 days after cryopreservation, viability tests were conducted. The fat tissues were injected into nude mice 2 and 4 weeks after cryopreservation. Three months later the fat grafts were harvested for histologic examination. RESULTS: No significant differences in cell viability were found in either in vitro or in vivo experiments for the three preserving temperatures. The cryoprotective agent HES did not influence cell viability. CONCLUSION: There were no differences in cell viability among the three temperatures and with the use of a cryoprotective agent. Cryopreservation for salvage management is a clinically practical method. |
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Authors:
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Bo-Wen Li; Wen-Chieh Liao; Szu-Hsien Wu; Hsu Ma |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-12-22 |
Journal Detail:
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Title: Aesthetic plastic surgery Volume: - ISSN: 1432-5241 ISO Abbreviation: - Publication Date: 2011 Dec |
Date Detail:
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Created Date: 2011-12-22 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7701756 Medline TA: Aesthetic Plast Surg Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Division of Plastic Surgery, Department of Surgery, Taipei Veterans General Hospital, Shipai Rd., Taipei, Taiwan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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