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Prevalence of hepatitis C virus genotypes in a Spanish liver transplant unit.

Moreno Planas JM, Fernández Ruiz M, Portero Azorin F, Boullosa Graña E, Rubio González E, Martín Garcia S, Martinez Arrieta F, Jiménez Garrido M, Sánchez Turrión V, Cuervas-Mons Martinez V

Liver Transplant Unit, Hospital Puerta de Hierro, Madrid, Spain. josemariamoren@mixmail.com

INTRODUCTION: Among the at least six major identified genotypes of HCV, genotype 1b, the one associated with a poorer prognosis, is the most prevalent in Spain. We aimed to compare the distribution of hepatitis C virus genotypes in our liver transplant unit with that of the other HCV patients at our institution (n = 413) in order to assess whether genotype 1b is more prevalent among patients with more severe liver disease. PATIENTS AND METHODS: One hundred eight patients of mean age 56 years included 81 (75%) OLT recipients and 27 (25%) with HCV cirrhosis. Determination of HCV genotypes was made with the Inno-LiPA HCV III. RESULTS: The overall distribution of genotypes was: 1b, 93 patients (86.1%); 1a; eight patients (7.4%); 3, four patients (3.7%); 4; two patients (1.9%), and 2; one patient (0.9%). The distribution was similar among patients with cirrhosis and OLT. Genotype 1b patients were older. Eleven (78.6%) of 14 patients with hepatocellular carcinoma had genotype 1b. In the control group the distribution was: 1b, 287 patients (69.5%); 1a, 54 patients (12.1%); 3, 41 patients (9.9%); 4, 20 patients (4.8%), and genotype 2, 11 patients (2.7%). This differences in the distribution of genotypes between our population and the control group was statistically significant (P < .001). CONCLUSIONS: Genotype 1b, the most prevalent genotype in our liver transplant unit, included older patients in whom hepatocellular carcinoma was common, perhaps due to their higher prevalence of cirrhosis.

Published 3 May 2005 in Transplant Proc, 37(3): 1486-7.
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