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  • Title: Bacterial contamination of musculoskeletal allografts.
    Author: Maso A, Andollina A, Bassi A, Bertoni G, Modelli L, Quinto C, Vaccari M, Fornasari PM.
    Journal: Chir Organi Mov; 2003; 88(4):345-50. PubMed ID: 15259549.
    Abstract:
    Based on the indications in the literature of the transmission of highly pathogenic bacteria in musculoskeletal allograft implants, the cultural results for allografts removed and implanted in conditions of asepsis between 1997 and 2000 in BTM were analyzed: 4014 allografts (3117 from a living donor, 897 from a cadaver) and 3479 implants (2191 with allografts from living donors and 1288 with allografts from cadavers). Explanted tissues: these were positive to culture in 292 out of 3117 (9.4%) allografts from living donors; the bacteria isolated showed low pathogenicity. Out of 897 allografts 117 cadaver donors bacteria with low pathogenicity were isolated in 68 (7.6%) and high pathogenicity in 12 (1.3%). Implants: cultures were positive in 116/2191 (5.3%) implants with allografts from living donors and in 55/1288 (4.3%) implants with allografts from cadavers. The bacteria isolated are the same as those shown in the explants. In living donors contamination is similar as regards incidence and type of microorganism to that observed in surgical theatres during routine surgery. Contamination seems to be greater in allografts removed from cadavers who died as a result of trauma, in the presence of positive hemocultures, prolonged catheterization and intubation, explantation of the pelvis and removal of several organs and tissues prior to musculoskeletal allograft.
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