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Meningitis and encephalitis in infants and children

Mohammed M Jan1

  • 1Department of Pediatrics, Faculty of Medicine, King Abdulaziz University, PO Box 80215, Jeddah 21589, Kingdom of Saudi Arabia. mmsjan@yahoo.ca

Saudi Medical Journal
|January 26, 2012
PubMed

Insights

Meningitis and encephalitis are dangerous childhood infections, causing death or long-term issues. Early diagnosis and treatment are crucial for better outcomes, especially where immunizations are low.

Area of Science:

  • Pediatrics
  • Infectious Diseases
  • Neurology

Background:

  • Meningitis and encephalitis pose significant threats to children, with mortality rates up to 25% and high risks of long-term sequelae like epilepsy and developmental disorders.
  • Despite advances in antibiotics and critical care, early diagnosis and prompt treatment remain paramount for favorable outcomes in pediatric meningitis and encephalitis.
  • Routine childhood immunizations have reduced the incidence of serious infections, yet these conditions persist, particularly in regions with suboptimal vaccination coverage.

Purpose of the Study:

  • To provide an updated overview of meningitis and encephalitis in infants and children.
  • To highlight the persistent challenges and etiological factors associated with these infections.
  • To emphasize the importance of early detection and intervention strategies.

Main Methods:

  • Review of current literature on pediatric meningitis and encephalitis.
  • Analysis of epidemiological data and etiological trends.
  • Synthesis of information on diagnostic approaches and treatment outcomes.

Main Results:

  • Common viral causes include enteroviruses, herpes simplex virus, and arboviruses, with unidentified viral etiology in up to 70% of cases.
  • Bacterial meningitis is often identifiable unless prior antibiotic treatment has occurred; causative agents vary by age.
  • Fungal infections are less common and primarily affect immunocompromised pediatric populations.

Conclusions:

  • Meningitis and encephalitis continue to be critical pediatric health concerns, necessitating ongoing vigilance and effective management strategies.
  • While immunization has curbed some infectious diseases, these neurological infections remain a significant challenge, especially in resource-limited settings.
  • The established principles of early diagnosis and treatment are indispensable for mitigating the severe consequences of pediatric meningitis and encephalitis.

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