J Korean Med Sci.  2017 Mar;32(3):465-474. 10.3346/jkms.2017.32.3.465.

Epidemiology and Factors Related to Clinical Severity of Acute Gastroenteritis in Hospitalized Children after the Introduction of Rotavirus Vaccination

Affiliations
  • 1Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea. jychangmd@hanmail.net
  • 2Department of Pediatrics, Seoul Metropolitan Government-Seoul National University Boramae Medical Center, Seoul, Korea.
  • 3Department of Laboratory Medicine, Seoul National University College of Medicine, Seoul, Korea.
  • 4Department of Laboratory Medicine, Seoul Metropolitan Government-Seoul National University Boramae Medical Center, Seoul, Korea.
  • 5School of Biosystem and Biomedical Science, Korea University College of Health Science, Seoul, Korea.
  • 6Department of Medical Statistics, Seoul Metropolitan Government-Seoul National University Boramae Medical Center, Seoul, Korea.

Abstract

We aimed to investigate epidemiology and host- and pathogen-related factors associated with clinical severity of acute gastroenteritis (AGE) in children after rotavirus vaccination introduction. Factors assessed included age, co-infection with more than 2 viruses, and virus-toxigenic Clostridium difficile co-detection. Fecal samples and clinical information, including modified Vesikari scores, were collected from hospitalized children with AGE. The presence of enteric viruses and bacteria, including toxigenic C. difficile, was detected by polymerase chain reaction (PCR). Among the 415 children included, virus was detected in stool of 282 (68.0%) children. Co-infection with more than 2 viruses and toxigenic C. difficile were found in 24 (8.5%) and 26 (9.2%) children with viral AGE, respectively. Norovirus (n = 130) infection, including norovirus-associated co-infection, was the most frequent infection, especially in children aged < 24 months (P < 0.001). In the severity-related analysis, age < 24 months was associated with greater diarrheal severity (P < 0.001) and modified Vesikari score (P = 0.001), after adjustment for other severity-related factors including rotavirus status. Although the age at infection with rotavirus was higher than that for other viruses (P = 0.001), rotavirus detection was the most significant risk factor for all severity parameters, including modified Vesikari score (P < 0.001). Viral co-infection and toxigenic C. difficile co-detection were not associated with any severity-related parameter. This information will be helpful in the management of childhood AGE in this era of rotavirus vaccination and availability of molecular diagnostic tests, which often lead to the simultaneous detection of multiple pathogens.

Keyword

Acute Gastroenteritis; Clinical Severity; Age; Rotavirus; Norovirus; Co-Infection; Clostridium difficile; Children

MeSH Terms

Bacteria
Child
Child, Hospitalized*
Clostridium difficile
Coinfection
Epidemiology*
Gastroenteritis*
Humans
Norovirus
Pathology, Molecular
Polymerase Chain Reaction
Risk Factors
Rotavirus*
Vaccination*

Figure

  • Fig. 1 Monthly distribution of enteric viruses in 415 children.


Cited by  1 articles

Management of Acute Gastroenteritis in Children: A Survey among Members of the Korean Society of Pediatric Gastroenterology, Hepatology, and Nutrition
Ji-Hyun Seo, Jung Ok Shim, Byung-Ho Choe, Jin Su Moon, Ki-Soo Kang, Ju-Young Chung
Pediatr Gastroenterol Hepatol Nutr. 2019;22(5):431-440.    doi: 10.5223/pghn.2019.22.5.431.


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