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Published on: November 5, 2019
Meningococcal meningitis
Ricardo G Branco1, Robert C Tasker
1School of Clinical Medicine, Department of Paediatrics, Addenbrookes Hospital, University of Cambridge, Box 116, Hills Road, Cambridge, CB2 2QQ, UK, rgb35@cam.ac.uk.
Opinion Statement:
Meningococcal meningitis (MM) is the most common presentation of meningococcal disease and an important cause of morbidity and mortality worldwide. When MM is associated with shock, early recognition and treatment of shock is essential. No investigation should delay starting antibiotics once the diagnosis is suspected. Corticosteroids can be started at the same time as the antibiotics or just before, but this is not a specific recommendation for MM. Low-dose steroids should be used in meningococcal disease with refractory shock. Altered blood flow, cerebral edema, and raised intracranial pressure are problems that should be considered in all patients with MM and decreased consciousness level. When mechanical ventilation is required, the target carbon dioxide level is 4.0 to 4.5 kPa, with avoidance of hypocapnia. Seizures, although not frequent, can occur in MM and require prompt treatment. Other treatments, such as mannitol and activated protein C, should be avoided. Potential new treatments requiring further investigation include neuroprotection with hypothermia or glycerol.
Insights
Early recognition and treatment of meningococcal meningitis (MM) with shock are crucial. Prompt antibiotics are vital, with low-dose steroids recommended for refractory shock to improve patient outcomes.
Area of Science:
- Critical care medicine
- Infectious diseases
- Neurology
Background:
- Meningococcal meningitis (MM) is a significant global cause of illness and death.
- MM with shock necessitates immediate medical intervention.
- Timely management is key to reducing morbidity and mortality.
Purpose of the Study:
- To outline essential management strategies for meningococcal meningitis (MM).
- To emphasize the critical importance of early shock recognition and treatment in MM.
- To provide guidance on managing complications and adjunctive therapies.
Main Methods:
- This opinion statement synthesizes current clinical knowledge and expert consensus.
- It focuses on established and emerging treatment protocols for MM.
- Evidence-based recommendations are provided for clinical practice.
Main Results:
- Immediate antibiotic administration is paramount upon suspicion of MM.
- Low-dose corticosteroids are recommended for meningococcal disease with refractory shock.
- Management of intracranial pressure and seizures is critical in severe MM cases.
Conclusions:
- Prompt initiation of antibiotics and appropriate management of shock are essential for improving outcomes in MM.
- Careful consideration of cerebral edema and intracranial pressure is necessary.
- Certain treatments like mannitol and activated protein C should be avoided, while neuroprotection strategies warrant further research.
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