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Management of Increased Intracranial Pressure in Cryptococcal Meningitis
Kimberly J. Gambarin1, Richard J. Hamill
1*Infectious Diseases Section, Veterans Affairs Medical Center (111G), 2002 Holcombe Blvd., Houston, TX 77030-4211, USA. richard.hamill@med.va.gov
Abstract:
Therapy of cryptococcal meningitis has been focused primarily on optimizing the antifungal regimen to improve the previously high treatment failure rates. Until recently, relatively little attention has been paid to the impact of increased intracranial pressure, which is a frequent problem that complicates management of patients with cryptococcal meningitis. Patients with elevated baseline opening pressures have higher titers of cerebrospinal fluid cryptococcal capsular polysaccharide antigen, more frequent headaches, meningismus, papilledema, hearing loss, and pathologic reflexes, as well as increased morbidity and mortality compared with those patients with normal opening pressures. Optimal therapy has not yet been firmly established, but the diagnostic evaluation and available treatment options are reviewed here, including frequent high volume lumbar punctures, lumbar drains, ventriculoperitoneal shunting, and corticosteroids.
Insights
Elevated intracranial pressure significantly worsens outcomes in cryptococcal meningitis, increasing morbidity and mortality. Managing this pressure is crucial for improving patient survival and treatment success.
Area of Science:
- Infectious Diseases
- Neurology
- Critical Care Medicine
Background:
- Cryptococcal meningitis treatment traditionally focuses on antifungal regimens.
- Increased intracranial pressure (ICP) is a common and serious complication.
- Elevated ICP correlates with higher fungal loads and worse clinical outcomes.
Purpose of the Study:
- To review the diagnostic evaluation and treatment options for increased intracranial pressure in cryptococcal meningitis.
- To highlight the impact of intracranial pressure on patient morbidity and mortality.
- To emphasize the need for better management strategies beyond antifungal therapy.
Main Methods:
- Review of current literature on cryptococcal meningitis and intracranial pressure management.
- Discussion of diagnostic tools for assessing elevated intracranial pressure.
- Overview of therapeutic interventions for managing intracranial pressure.
Main Results:
- Elevated opening pressures in cerebrospinal fluid are linked to worse clinical presentation and outcomes.
- Higher titers of cryptococcal capsular polysaccharide antigen are associated with increased intracranial pressure.
- Increased morbidity and mortality are observed in patients with elevated baseline opening pressures.
Conclusions:
- Management of increased intracranial pressure is critical for improving outcomes in cryptococcal meningitis.
- Therapeutic options include lumbar punctures, drains, shunting, and corticosteroids.
- Further research is needed to establish optimal management protocols for intracranial pressure in this condition.