Abstract
Prior to the AIDS-era, elevation of intracranial pressure was known to be a typical complication of cryptococcal meningitis associated with an increased risk of early death. In AIDS-patients, however, the prevalence and clinical significance of this complication are as yet unclear. We analysed clinical features and courses, CSF findings, serological results and neuroimaging scans in acute cryptococcal meningitis in eight patients with AIDS. Five showed symptoms and signs compatible with raised intracranial pressure, which was life-threatening in one and the most probable cause of death in another. Serial monitoring of intracranial pressure together with repeated CSF analysis revealed that severe intracranial pressure elevation in AIDS related cryptococcal meningitis can occur in spite of effective antimycotic treatment, does not depend on an increased CSF/serum osmolality ratio or CSF overproduction and can be associated with normal cranial computed tomography and magnetic resonance imaging findings. Our data support the hypothesis that CSF reabsorption failure plays the crucial role in the pathophysiological mechanism. External lumbar drainage may be of benefit in selected cases of acute AIDS related cryptococcal meningitis with persisting life threatening elevation in intracranial pressure and normal computed tomogram.
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Abbreviations
- AIDS:
-
acquired immune deficiency syndrome
- CM:
-
cryptococcal meningitis
- CSF:
-
cerebrospinal fluid
- CT:
-
computed tomography
- HIV:
-
human immunodeficiency virus
- ICP:
-
intracranial pressure
- MRI:
-
magnetic resonance imaging
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Correspondence to: R. Malessa
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Malessal, R., Krams, M., Hengge, U. et al. Elevation of intracranial pressure in acute AIDS-related cryptococcal meningitis. Clin Investig 72, 1020–1026 (1994). https://doi.org/10.1007/BF00577748
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DOI: https://doi.org/10.1007/BF00577748