Management of Meningitis with Decerebrate Posturing

Initial Assessment and Management

Decerebrate posturing in meningitis indicates severe increased intracranial pressure and is an absolute contraindication to immediate lumbar puncture, as recommended by the Infectious Diseases Society of America 1, 2
Blood cultures should be obtained immediately before initiating empiric antimicrobial therapy, according to the Infectious Diseases Society of America guidelines 3
Empiric antimicrobial therapy must be started immediately without waiting for diagnostic procedures, as stated by the Infectious Diseases Society of America 2, 3
Head CT scan should be performed urgently before considering any lumbar puncture, as recommended by the Infectious Diseases Society of America 2, 3

Maintain euvolemia to support normal hemodynamic parameters, with a target mean arterial pressure (MAP) of ≥65 mmHg to maintain adequate cerebral perfusion pressure, as recommended by the Neurocritical Care Society 4, 5
Elevate head of bed to 30° to promote venous drainage, as suggested by the Neurocritical Care Society 4, 5
In patients with evidence of cerebral edema, consider higher MAP targets (70 mmHg) to improve cerebral perfusion pressure, according to the Neurocritical Care Society 5
Avoid hyperthermia, hyponatremia, and maintain normocapnia and normoglycemia, as recommended by the Neurocritical Care Society 5

Administer empiric antibiotics based on patient age and predisposing conditions, as recommended by the Infectious Diseases Society of America 3, 6
Continue antimicrobial therapy based on culture results and susceptibility patterns, according to the Infectious Diseases Society of America 3

Monitor neurological status closely, including pupillary responses, level of consciousness, and motor function, as recommended by the Infectious Diseases Society of America 2, 3
Normalize lactate levels and maintain urine output at ≥0.5 ml/kg/h as indicators of adequate resuscitation, as suggested by the Neurocritical Care Society 5

Lumbar puncture is absolutely contraindicated in patients with decerebrate posturing until ICP is controlled, as stated by the Infectious Diseases Society of America 1, 2
Delay in antimicrobial therapy increases mortality; therefore, antibiotics must be given before diagnostic procedures, according to the Infectious Diseases Society of America 3
Notify public health authorities of all meningitis cases regardless of etiology, as recommended by the Infectious Diseases Society of America 5