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Prof Rob Heyderman

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Debate - Adjunctive corticosteroids for acute bacterial meningitis in africa - do we need more evidence?

Published in: Health & Medicine
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Prof Rob Heyderman

  1. 1. Adjunctive corticosteroids for acute bacterial meningitis in Africa – do we need more evidence? Rob Heyderman
  2. 2. Rationale for Steroids - Pathogenesis of Bacterial Meningitis Apoptosis Necrosis Senescence Immune activation Macrophages Microglia Astrocytes Endothelium Neurons Neutrophils BBBP Thrombosis Blood Flow Bacterial products (PAMPs) Cytokines Chemokines Reactive Oxygen Species Ecosinoids
  3. 3. Dexamethasone as Adjunctive Therapy in Bacterial Meningitis Matthijs Brouwer, Peter McIntyre, Kameshwar Prasad, Diederik van de Beek The Cochrane Library, Issue 9, 2015; DOI: 10.1002/14651858 • 25 trials in acute bacterial meningitis (4121 participants) • 16 in children • 7 in adults • 2 children and adults • 22 used dexamethasone; 3 used hydrocortisone or prednisone • 9 were performed in low-income countries; 16 in high-income countries
  4. 4. Dexamethasone as Adjunctive Therapy in Bacterial Meningitis: MORTALITY The Cochrane Library, Issue 9, 2015; DOI: 10.1002/14651858 RR 0.90, 95% CI 0.80-1.01
  5. 5. Dexamethasone as Adjunctive Therapy in Bacterial Meningitis: sub-group analyses The Cochrane Library, Issue 9, 2015; DOI: 10.1002/14651858 • Reduced mortality in S. pneumoniae meningitis (RR 0.84, 95% CI 0.72 to 0.98) NOT H. influenzae or N. meningitidis meningitis • Overall reduced severe hearing loss in children with H. influenzae meningitis (RR 0.34, 95% CI 0.20-0.59) NOT non-Haemophilus meningitis • In high-income countries • Reduced severe hearing loss (RR 0.51, 95% CI 0.35 to 0.73) • Any hearing loss (RR 0.58, 95% CI 0.45 to 0.73) • Short-term neurological sequelae (RR 0.64, 95% CI 0.48 to 0.85) • No beneficial effect in low-income countries
  6. 6. The High Mortality for Childhood & Adult Meningitis in SSA
  7. 7. The Survival Road for Bacterial Meningitis Carriage Invasion Clinical Disease Survival No Sequelae Survival Sequelae Death
  8. 8. • Are we trying to shortcut deficiencies in healthcare seeking, access healthcare and health systems? • Will corticosteroids work in this setting? • Could steroids be harmful (adverse event reporting has been selective)? Is there sufficient equipoise in this highly vulnerable population?
  9. 9. Adjunctive corticosteroids for acute bacterial meningitis in Africa – do we need more evidence? VOTE NO • Improve community recognition • Improve access • Health Systems interventions • Identify novel targets & interventions

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