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. 2025 Jan-Feb;15(1):102416.
doi: 10.1016/j.jceh.2024.102416. Epub 2024 Sep 24.

"Parvovirus B19-related Acute Hepatitis: Clinical Spectrum and Outcome in Children"

Arghya Samanta  1 , Anshu Srivastava  1 , Sangram S Patel  2 , Moinak Sen Sarma  1 , Ujjal Poddar  1 , Prabhakar Mishra  3
Affiliations

"Parvovirus B19-related Acute Hepatitis: Clinical Spectrum and Outcome in Children"

Arghya Samanta et al. J Clin Exp Hepatol. 2025 Jan-Feb.

Abstract

Background/aims: Acute liver injury is a common manifestation of parvovirus B19 (PVB19) infection in immunocompromised patients. However, literature in immunocompetent children is scarce. We aimed to study the clinicolaboratory features and outcome of hepatic involvement by PVB19 infection in hospitalized children.

Methods: We retrospectively analyzed our prospectively kept database of all children (<18 years old) admitted with acute viral hepatitis (AVH), acute liver failure (ALF) or acute-on-chronic liver failure (ACLF), and PVB19 infection between January 2010 and December 2023. Clinical features, laboratory parameters, and complications were evaluated. Poor outcome was defined as death or liver transplantation.

Results: A total of 35 children (19 boys [54%], median age: 7.25 [interquartile range: 4-10.8] years) with PVB19-related hepatitis were studied (28 [80%] isolated PVB19 infection and 7 [20%] coinfections [3 with Epstein-Barr virus, 2 with hepatitis A, and 1 each with hepatitis-E and cytomegalovirus]). AVH (17, 49%) was the most common presentation, followed by ALF (13, 37%) and acute insult in ACLF (5, 14%). Patients with coinfection had significantly higher bilirubin (14.6 [9.4-21.5] vs 6.8 [4.3-10.9] mg/dl; P=0.004) and transaminases (ALT: 697 [428-1296] vs. 277 [157-478] U/L; P=0.02) but similar mortality (1/7 vs 6/23; P=1.0) than PVB19 alone. Nine cases (25.7%) had extrahepatic complications (hemophagocytic lymphohistiocytosis [HLH]: 3, acute kidney injury: 3, aplastic anemia: 2, and myocarditis: 1). Poor outcome occurred in 38% (5/13) ALF, 11.7% (2/17) AVH (HLH: 1, myocarditis: 1), and none (0/5) of the ACLF cases.

Conclusion: PVB19 should be considered in children presenting with indeterminate acute liver injury, especially in younger children or those with complications such as aplastic anemia, HLH, or myocarditis.

Keywords: aplastic anemia; children; hemophagocytic lymphohistiocytosis; hepatitis; parvovirus B19.

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Conflict of interest statement

The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

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