PubMed · 7989099
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S Nade. 1994. Stimulating osteogenesis.. https://doi.org/10.1016/0020-1383(94)90031-0
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To assess the rate of infection associated with use of banked allograft bone, the case records of patients receiving banked bone over one year were reviewed. The notes of patients undergoing autografting procedures during the same period were reviewed as controls. Eighty-two patients received 98 banked allograft femoral heads and there were 10 proven infections (12.2%). Fifty-seven patients had autograft procedures, with two cases of infection (3.5%). The results of bacteriological surveillance of grafts harvested during the same period were analysed; there was a discard rate due to bacterial contamination of 1.3%, and two patients received three contaminated grafts, one of these patients suffering a postoperative infection. The failure rate of procedures was 50% where there was postoperative infection and 4.2% where there was none. Procedures using banked allograft bone have a substantial infection risk, and this is associated with a much higher rate of failure of the procedure. Prospective audit of allograft use should be applied to reduce this risk.
The use of non-treated cryopreserved bone allografts has been criticized following the publication of new cases of HIV and hepatitis-C infection caused by such grafts. However, the "new" cases of HIV infection arose in 1984/1985. when HIV testing was not possible. A critical analysis of the German bone bank procedures shows that the official guidelines are not adequate. Furthermore, new sterilization techniques are propagated for clinical use. This leads to a false feeling of security, and does not help to solve the problem of virus transmission by way of bone allografts. It is therefore essential that new guidelines for bone bank management be developed as a matter of urgency, with due consideration for everything known about this problem to date. Our current bone bank procedure is presented and the various points in the official guidelines that need updating are discussed, including the necessity for 6-month HIV and hepatitis testing modified donor screening, and special guidelines for multiple organ donors.