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  • Title: Glycerol treatment as recovery procedure for cryopreserved human skin allografts positive for bacteria and fungi.
    Author: Verbeken G, Verween G, De Vos D, Pascual B, De Corte P, Richters C, De Coninck A, Roseeuw D, Ectors N, Rose T, Jennes S, Pirnay JP.
    Journal: Cell Tissue Bank; 2012 Mar; 13(1):1-7. PubMed ID: 21360142.
    Abstract:
    Human donor skin allografts are suitable and much used temporary biological (burn) wound dressings. They prepare the excised wound bed for final autografting and form an excellent substrate for revascularisation and for the formation of granulation tissue. Two preservation methods, glycerol preservation and cryopreservation, are commonly used by tissue banks for the long-term storage of skin grafts. The burn surgeons of the Queen Astrid Military Hospital preferentially use partly viable cryopreserved skin allografts. After mandatory 14-day bacterial and mycological culture, however, approximately 15% of the cryopreserved skin allografts cannot be released from quarantine because of positive culture. To maximize the use of our scarce and precious donor skin, we developed a glycerolisation-based recovery method for these culture positive cryopreserved allografts. The inactivation and preservation method, described in this paper, allowed for an efficient inactivation of the colonising bacteria and fungi, with the exception of spore-formers, and did not influence the structural and functional aspects of the skin allografts.
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