Post-transfusion hepatitis in Navarra. Evidence of acute hepatitis C virus infection without elevation of aminotransferases
Huarte Muniesa MP, Maluenda Colomer MD, Civeira Murillo MP, Medarde Agustín A, Prieto Valtueña JM.
Centro de Investigaciones Biomédicas, Facultad de Medicina, Universidad de Navarra, Pamplona
Revista: Medicina Clínica
Fecha: 12/11/1994Medicina Interna
To determine the incidence of postransfusion hepatitis (PTH) and hepatitis C virus (HCV) infection in blood recipients in Navarra and to evaluate the impact of excluding anti-HCV positive donors on the incidence of posttransfusion HCV infection.
248 transfusion recipients were included, 150 in a first period before anti-HCV(+) donors exclusion, and 98 in a second period after their exclusion. A serum sample from each patient was collected, bimonthly during the first month and monthly for six months, and another serum sample, twelve months after transfusion. ALT and anti-HCV were tested in each sample with ELISA and RIBA 2nd generation. HCV-RNA was determined with a nested polymerase chain reaction assay.
PTH incidence in 1989 was of 2.9%. This incidence decreased to 1.1% after anti-HCV ELISA 1st generation positive donors exclusion. At present, this incidence, with anti-HCV ELISA 2nd generation positive donors exclusion, is 0.8%. 80% of PTH were caused by HCV. 50% of HCV acute infection, confirmed by positive PCR, had normal ALT.
In Navarra, HPT incidence is below 1% after anti-HCV(+) donors exclusion. There are subclinics forms of HCV acute postransfusional infection with normal ALT.
CITA DEL ARTÍCULO Med Clin (Barc). 1994 Nov 12;103(16):601-5
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