Prevalence and the impact of hepatitis E infection in pediatric liver transplanted recipients with hepatitis in Thailand

Author:

Sintusek Palittiya1ORCID,Khunsri Siriporn1ORCID,Chansaenroj Jira2ORCID,Thongmee Thanunrat2ORCID,Poovorawan Yong2ORCID

Affiliation:

1. Thai Pediatric Gastroenterology, Hepatology and Immunology (TPGHAI) Research Unit, Department of Pediatrics, Division of Gastroenterology, Faculty of Medicine, King Chulalongkorn Memorial Hospital, Thai Red Cross Society Chulalongkorn University Bangkok Thailand

2. Center of Excellence in Clinical Virology, Faculty of Medicine, King Chulalongkorn Memorial Hospital Chulalongkorn University Bangkok Thailand

Abstract

AbstractBackgroundThe hepatitis E virus (HEV) infection typically causes acute and self‐limiting hepatitis. However, chronic infection can occur in immunocompromised hosts. This study determined the prevalence and impact of HEV infection in liver transplanted (LT) children who had transaminitis.MethodsThe demographic data, anti‐HEV IgM/IgG, serum/stool HEV RNA, and management for LT children with acute or persistent transaminitis from 2003 to 2020 were retrospectively reviewed. HEV serology was tested by ELISA, and HEV RNA was detected by semi‐nested PCR.ResultsSeventy‐two children with LT with persistent transaminitis with a median age of 4.41 (1.32, 9.14) years (55.6% female) and one with acute hepatitis were investigated for HEV infection. Anti‐HEV IgM, anti‐HEV IgG, serum, or stool HEV RNA was investigated in 95.8% (N = 69), 93.1% (N = 67), 43.1% (N = 31), and 37.5% (N = 27) of patients, respectively. The prevalence of HEV infection was 37.5% (N = 27). There was no significant difference in characteristics between the HEV‐infected and HEV‐non‐infected patients. Moreover, 22.2% (N = 16) and 15.3% (N = 11) of patients had past HEV infection and HEV‐related acute or chronic infection, respectively. Most of the patients had primary treatment as the presumed graft rejection without improvement. In two patients, detectable HEV RNA in serum turned undetectable in approximately 2 weeks and 2 months, and liver enzyme levels normalized after reducing immunosuppressive therapy.ConclusionsThe prevalence of HEV infection among pediatric LT recipients with hepatitis was high. Chronic HEV infection was evidenced in two patients. Investigations of HEV infection in pediatric LT recipients with persistent transaminitis should guide proper management.

Publisher

Wiley

Subject

Transplantation,Pediatrics, Perinatology and Child Health

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