Clinical Features and Laboratory Findings of Hospitalized Children with Infectious Mononucleosis Caused by

Laura Prtorić1, Ante Šokota2, Silvana Karabatić Knezović3

  • 1Pediatric Infectious Diseases Department, Clinical Hospital Center Rijeka, 51 000 Rijeka, Croatia.

Insights

This study on Epstein-Barr virus (EBV)-associated infectious mononucleosis (IM) in children found that clinical assessment is key for management. Laboratory findings support clinical evaluation but are not primary predictors of outcomes.

Area of Science:

  • Pediatrics
  • Infectious Diseases
  • Virology

Background:

  • Epstein-Barr virus (EBV) causes infectious mononucleosis (IM), a common illness in adolescents and young adults.
  • Understanding the clinical and laboratory features of EBV-IM in hospitalized pediatric patients is crucial for effective management.

Purpose of the Study:

  • To analyze the demographic, laboratory, and clinical characteristics of pediatric patients hospitalized with EBV-associated IM.
  • To identify predictors of complications and hospitalization duration in this patient cohort.

Main Methods:

  • Retrospective analysis of 212 patients under 18 years old hospitalized with EBV-IM over a 6-year period.
  • Data collected included demographics, symptoms, laboratory values, complications, and hospitalization duration.
  • Multiple linear regression analysis was used to identify predictors of hospitalization duration.

Main Results:

  • The median age was 14.7 years, with most patients aged 13-18 years.
  • Common symptoms included fever, tonsillitis, lymphadenopathy, hepatomegaly, and splenomegaly.
  • Tonsillar hypertrophy and thrombocytopenia were common complications; however, all patients had favorable outcomes. Patients with three or more complications or thrombocytopenia had longer hospital stays.
  • Platelet count, bilirubin, ESR, and AST were accurate predictors of hospitalization duration.

Conclusions:

  • Clinical assessment is the most reliable parameter for managing pediatric EBV-IM.
  • Laboratory findings play a supportive role in patient management.
  • While complications can prolong hospitalization, outcomes for pediatric EBV-IM are generally favorable.