{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,24]],"date-time":"2026-10-24T00:33:43Z","timestamp":1792802023713,"version":"4.5.0"},"reference-count":75,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2024,3,7]],"date-time":"2024-03-07T00:00:00Z","timestamp":1709769600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["www.mdpi.com"],"crossmark-restriction":true},"short-container-title":["Life"],"abstract":"<jats:p>Hepatitis B virus (HBV) is a frequent cause of chronic hepatitis worldwide, with an estimated 5.6 million children under 5 years being infected. In Romania, there are no available epidemiology reports on large cohorts in children. We aimed to assess the profile of pediatric chronic HBV infection in southern Romania. We conducted an observational retrospective study on 506 HBV-infected children. Based on alaninaminotransferase (ALT), HBV serology and viremia, we identified four states of the disease. We correlated age, gender, household HBV infection, coinfection with other viruses and laboratory parameters. Most patients were in a positive HBV envelope antigen (HBeAg) immune-active state (65.4%). Age at diagnosis was significantly lower for those with household infection (p &lt; 0.05). ALT values were not significantly different between positive or negative HBeAg patients in the immune-active state (p = 0.780). ALT values were higher in patients with hepatitis D virus (HDV)-associated infection (p &lt; 0.001). Children with a household HBV infection had a high viraemia more frequently when compared to those with no infected relative (79.3% vs. 67.4%) (p &lt; 0.001), but the ALT values were not significantly different (p = 0.21). Most of the patients are in an immune-active state (high ALT, high viremia). The percentages of HBV- and HDV-associated infections are high, but lower than the reported prevalence in Romania in the general population.<\/jats:p>","DOI":"10.3390\/life14030348","type":"journal-article","created":{"date-parts":[[2024,3,7]],"date-time":"2024-03-07T08:59:37Z","timestamp":1709801977000},"page":"348","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Hepatitis B in Pediatric Population: Observational Retrospective Study in Romania"],"prefix":"10.3390","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8604-8691","authenticated-orcid":false,"given":"Daniela","family":"P\u0103curar","sequence":"first","affiliation":[{"name":"Department of Pediatrics, \u201cCarol Davila\u201d University of Medicine and Pharmacy, 020021 Bucharest, Romania"},{"name":"Department of Pediatrics, \u201cGrigore Alexandrescu\u201d Emergency Children\u2019s Hospital, 011743 Bucharest, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8008-4408","authenticated-orcid":false,"given":"Alexandru","family":"Dinulescu","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, \u201cCarol Davila\u201d University of Medicine and Pharmacy, 020021 Bucharest, Romania"},{"name":"Department of Pediatrics, \u201cGrigore Alexandrescu\u201d Emergency Children\u2019s Hospital, 011743 Bucharest, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4193-063X","authenticated-orcid":false,"given":"Gheorghi\u021b\u0103","family":"Jugulete","sequence":"additional","affiliation":[{"name":"Department of Infectious Diseases 3, \u201cCarol Davila\u201d University of Medicine and Pharmacy, 020021 Bucharest, Romania"},{"name":"National Institute for Infectious Diseases \u201cProf. Dr. Matei Bal\u0219\u201d, 021105 Bucharest, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexandru-Sorin","family":"P\u0103s\u0103ric\u0103","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, \u201cGrigore Alexandrescu\u201d Emergency Children\u2019s Hospital, 011743 Bucharest, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5814-2082","authenticated-orcid":false,"given":"Irina","family":"Dijm\u0103rescu","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, \u201cCarol Davila\u201d University of Medicine and Pharmacy, 020021 Bucharest, Romania"},{"name":"Department of Pediatrics, \u201cGrigore Alexandrescu\u201d Emergency Children\u2019s Hospital, 011743 Bucharest, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2024,3,7]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"370","DOI":"10.1016\/j.jhep.2017.03.021","article-title":"EASL 2017 Clinical Practice Guidelines on the Management of Hepatitis B Virus Infection","volume":"67","author":"Lampertico","year":"2017","journal-title":"J. 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