Epidemiological, Virological and Clinical Characteristics of Hepatitis B Virus Genotypes in Chronically Infected Persons in Slovenia

AuthorNina Kmet Lunacek
AuthorMario Poljak
AuthorJelka Meglic-Volkar
AuthorMojca Rajter
AuthorJanja Prah
AuthorGorazd Lesnicar
AuthorTanja Selic Kurincic
AuthorZvonko Baklan
AuthorTatajana Remec
AuthorEmil Pal
AuthorPetra Markocic
AuthorMaja Lunar
AuthorMojca Maticic
Issued Date2017-03-01
AbstractBackground: Hepatitis B virus (HBV) genotypes have been shown to have virological, clinical, and therapeutic implications. Knowledge about HBV genotype distribution in Slovenia is scarce. This study was the first to determine various characteristics of patients with chronic HBV infection with regard to HBV genotypes at the national level. Methods: HBV genotype determination was performed on randomly selected patients out of 1,729 patients from all Slovenian regions who tested positive for HBV surface antigen (HBsAg) at the national reference laboratory for viral hepatitis between January 1997 and December 2010. Demographic, epidemiological, virological, and clinical data were extracted from the medical records and statistically analyzed with regard to HBV genotypes. Results: A total of 186 HBsAg positive patients with the mean age of 40.1 years were identified from whom, 65.1% were male. 157 (84.4%) cases presented with genotype D, 23 (12.4%) with genotype A, and 6 (3.2%) with other HBV genotypes. Sexual transmission was more significantly associated with lower odds for HBV genotype D infection compared to blood-related risk factors (P = 0.023). Genotype A was significantly more common in men who had sex with men (P = 0.043). Compared to females with genotype D, genotype A positive women presented unknown risk factors more significantly (P = 0.002). Conclusions: HBV genotype D is the most prevalent genotype in Slovenia. However, future changes might be expected due to recent massive immigrations to Europe. Routine HBV genotyping is recommended in patients with certain risk factors prior to initiation of hepatitis B treatment.
DOIhttps://doi.org/10.5812/hepatmon.43838
KeywordHepatitis B Virus
KeywordGenotypes
KeywordRisk Factors
KeywordClinical Characteristics
PublisherBrieflands
TitleEpidemiological, Virological and Clinical Characteristics of Hepatitis B Virus Genotypes in Chronically Infected Persons in Slovenia
TypeBrief Report
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