Cent Eur J Public Health 2018, 26(3):159-163 | DOI: 10.21101/cejph.a5021

Distribution of hepatitis C virus genotypes and subtypes in Croatia: 2008-2015

Adriana Vince1,2, Snježana Židovec Lepej2, Jasna Bingulac-Popović3, Manuela Miletić3, Sendi Kuret4, Sanda Sardelić4, Ivana Baća Vrakela2, Ivan Kurelac2
1 School of Medicine, University of Zagreb, Zagreb, Croatia
2 University Hospital for Infectious Diseases, Zagreb, Croatia
3 Croatian Institute of Transfusion Medicine, Zagreb, Croatia
4 University Hospital Centre Split, Split, Croatia

Objective: Hepatitis C virus (HCV) genotyping is an important part of pre-treatment diagnostic algorithms as it guides the choice of therapeutic regimens. The aim of this study was to analyse the distribution of HCV genotypes in patients with chronic hepatitis C from Croatia in the period 2008-2015.

Methods: The study enrolled 3,655 anti-HCV positive patients with available results of HCV genotyping from the three largest national HCV genotyping laboratories.

Results: The majority of HCV-infected individuals enrolled in the study were male (70.7%). Analysis of age distribution in a subset of 2,164 individuals showed a mean age of 40.9 years (SD 11.77 years). Croatian patients were mostly infected with HCV genotype 1 (56.6%), followed by genotype 3 (37.3%), genotype 4 (4.2%) and genotype 2 (1.8%). Genotype 1 subtyping in a subset of 1,488 patients showed 54% (803/1,488) of 1b infections and 46% (685/1,488) of 1a infections. Percentages of genotype 1 were the highest in Central/Northwestern and Eastern Croatia and the lowest in the Central/Southern Adriatic Region. Genotype 3 was most frequently found in the Central/Southern Adriatic Region (49.1%) but represented only 17.5% of infections in Eastern Croatia (p < 0.001).

Conclusions: The results of this nine-year retrospective analysis on the distribution of HCV genotypes and subtypes in 3,655 HCV-infected individuals from Croatia showed that the majority of infections can be attributed to genotypes 1 and 3 with absence of major changes in the molecular epidemiology of the two most frequent HCV genotypes infection in Croatia in the past 20 years.

Klíčová slova: hepatitis C virus, genotypes, subtypes, Croatia

Vloženo: 28. prosinec 2016; Revidováno: 23. srpen 2018; Zveřejněno: 30. září 2018  Zobrazit citaci

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Vince A, Židovec Lepej S, Bingulac-Popović J, Miletić M, Kuret S, Sardelić S, et al.. Distribution of hepatitis C virus genotypes and subtypes in Croatia: 2008-2015. Cent Eur J Public Health. 2018;26(3):159-163. doi: 10.21101/cejph.a5021. PubMed PMID: 30419615.
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