Prevalence, clinico-laboratory features, and the functional outcome of children with scrub typhus

Amitava Baidya1, Dhandapany Gunasekaran1, Rahul Dhodapkar2

  • 1Department of Pediatrics, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry 605006, India.

Insights

Scrub typhus is the leading cause of childhood meningoencephalitis in India. Early identification of scrub typhus (Orientia tsutsugamushi) and prompt antibiotic treatment are crucial for better patient outcomes.

Area of Science:

  • Pediatrics
  • Infectious Diseases
  • Neurology

Background:

  • Scrub typhus is increasingly recognized as a significant cause of meningoencephalitis in children in India.
  • Meningoencephalitis presents a diagnostic challenge, and identifying the specific etiology is critical for effective management.

Purpose of the Study:

  • To determine the proportion of scrub typhus infection in children diagnosed with meningoencephalitis.
  • To analyze the demographic, clinical, and laboratory characteristics of scrub typhus meningoencephalitis in this pediatric cohort.

Main Methods:

  • A cohort study was conducted involving 127 children aged 1 month to 12 years with a clinical diagnosis of meningoencephalitis.
  • Data collected included socio-demographic factors, clinical presentations, laboratory results, and patient outcomes.
  • Etiological agents were identified to confirm infections.

Main Results:

  • An etiological agent was identified in 56% of the children.
  • Orientia tsutsugamushi (scrub typhus) was the most common infection, accounting for 24.4% of all meningoencephalitis cases.
  • Children aged 5 years and above were more frequently affected. Key clinical features included eschar, capillary leak, hepatomegaly, and splenomegaly. Thrombocytopenia and abnormal liver function tests were common.

Conclusions:

  • Orientia tsutsugamushi is the predominant cause of meningoencephalitis in the studied pediatric population in India.
  • Recognizing clinical signs like eschar, thrombocytopenia, and hepatosplenomegaly, alongside timely antibiotic initiation, can significantly improve outcomes for scrub typhus meningoencephalitis.