Causes and outcome of bacterial meningitis in Malawian children

E M Molyneux1, A L Walsh1, H Forsyth2

  • 1Department of Paediatrics, College of Medicine, Box 360, Blantyre; Wellcome Trust Research Laboratories, Box 30096, Blantyre.

Insights

Bacterial meningitis in Malawian children caused high mortality (31%) and long-term disabilities (38%). Streptococcus pneumoniae and Haemophilus influenzae type b were the most common pathogens, with younger age and HIV positivity indicating a poor prognosis.

Area of Science:

  • Pediatrics
  • Infectious Diseases
  • Epidemiology

Background:

  • Bacterial meningitis poses a significant threat to child health globally.
  • Understanding causative agents and outcomes is crucial for effective public health interventions.

Purpose of the Study:

  • To investigate the causes, mortality, and sequelae of bacterial meningitis in children admitted to Queen Elizabeth Central Hospital (QECH), Blantyre, Malawi.
  • To identify prognostic indicators for poor outcomes in pediatric bacterial meningitis.

Main Methods:

  • A cohort of 598 children with bacterial meningitis admitted between July 1997 and March 2001 were followed up at 1 and 6 months post-discharge.
  • Assessments included physical, neurological, developmental, and hearing evaluations.
  • Causative pathogens were identified through bacterial cultures.

Main Results:

  • The most frequent pathogens were Streptococcus pneumoniae (40%) and Haemophilus influenzae type b (28%).
  • Overall mortality was 31%, with 38% of survivors experiencing significant sequelae.
  • Younger age, lower coma score, bacterial etiology, poor nutritional status, and HIV positivity were associated with poorer prognosis.

Conclusions:

  • Bacterial meningitis in this Malawian pediatric cohort resulted in high mortality and significant long-term morbidity.
  • Prompt identification of risk factors is essential for improving patient management and outcomes.
  • Public health strategies should focus on prevention and early intervention for bacterial meningitis in children.

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