Abstract
Careful donor selection and implementation of tests of appropriate sensitivity and specificity are of paramount importance for minimizing the risk of transmitting infectious diseases from donors to corneal allograft recipients. Reported cases of viral transmission with corneal grafts are very unusual. Nevertheless potential virus transmission through the engraftment cannot be ruled out. According to European Guideline 2006/17/EC, screening for antibodies for Hepatitis B core antigen (anti HBc) is mandatory, and when this test is positive, some criteria must be established before using corneas. Despite the continuous progress in screening tests, donors carrying an occult hepatitis B infection (OBI) can cause transplant-transmitted hepatitis B. To date, Nucleic Acid Testing (NAT) is not an obligatory assay in corneal tissue setting neither in our country nor in the rest of European countries. Herein, we report three cornea donors that were rejected with the diagnosis of OBI through the testing of sensitive NAT and the serological profile of Hepatitis B virus. The aim of this report is to emphasize the need to include NAT in new reviews of EU Tissues and Cells Directives in order to increase level of security in tissue donation as well as not to reject a high number of donors with isolated profile of anti HBc in geographical areas with high prevalence of Hepatitis B, that could be rejected without a true criterion of Hepatitis B infection.
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Fornés, M.G., Jiménez, M.A., Eisman, M. et al. Nucleic acid-amplification testing for hepatitis B in cornea donors. Cell Tissue Bank 17, 341–344 (2016). https://doi.org/10.1007/s10561-015-9539-0
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DOI: https://doi.org/10.1007/s10561-015-9539-0