Jarvis, JN; Meintjes, G; Williams, A; Brown, Y; Crede, T; Harrison, TS
(2010)
Adult meningitis in a setting of high HIV and TB prevalence: findings from 4961 suspected cases.
BMC INFECTIOUS DISEASES, 10 (67).
ISSN 1471-2334
https://doi.org/10.1186/1471-2334-10-67
SGUL Authors: Harrison, Thomas Stephen Jarvis, Joseph Nicholas
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Abstract
BACKGROUND: The presentation and causes of adult meningitis in South Africa have changed substantially as a result of HIV. Knowledge of aetiology and laboratory findings in patients presenting with meningitis are important in guiding management. We performed a retrospective study to determine these findings in a setting of high HIV and TB prevalence in Cape Town.
METHODS: Patients undergoing lumbar punctures between 1st January 2006 and 31st December 2008 at a public sector referral hospital were studied. Cases were classified by microbiological diagnosis, or in the absence of definitive microbiology as 1) normal CSF (neutrophils < or = 1 x 10(6)/L, lymphocytes < or = 5 x 10(6)/L, protein < or = 0.5 g/dL, glucose > or =1.5 mmol/L), 2) minor abnormalities (neutrophils 2-5, lymphocytes 6-20, protein 0.51-1.0, glucose 1.0-1.49) or 3) markedly abnormal (neutrophils>5, lymphocytes>20, protein>1.0, glucose<1.0).
RESULTS: 5578 LPs were performed on 4549 patients, representing 4961 clinical episodes. Of these, 2293 had normal CSF and 931 had minor abnormalities and no aetiology identified. Of the remaining 1737, microbiological diagnoses were obtained in 820 (47%). Cryptococcus accounted for 63% (514) of microbiological diagnoses, TB for 28% (227), bacterial meningitis for 8% (68). Of the remaining 917 who had marked abnormalities, the majority (59%) had a sterile lymphocytic CSF. Of note 16% (81) patients with confirmed Cryptococcus, 5% (12) with TB and 4% (3) with bacterial meningitis had normal CSF cell-counts and biochemistry.
CONCLUSIONS: Cryptococcal and tuberculous meningitis are now the commonest causes of adult meningitis in this setting. TB meningitis is probably underdiagnosed by laboratory investigation, as evidence by the large numbers presenting with sterile lymphocytic markedly abnormal CSFs.
Item Type: |
Article
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Additional Information: |
PubMed ID: 20230635
© 2010 Jarvis et al; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. |
Keywords: |
Science & Technology, Life Sciences & Biomedicine, Infectious Diseases, TUBERCULOUS MENINGITIS, BACTERIAL-MENINGITIS, CRYPTOCOCCAL MENINGITIS, INFECTION, IMPACT, ZIMBABWE, DISEASE, AFRICA, HARARE, Adult, Bacteria, Cerebrospinal Fluid, Female, Fungi, HIV Infections, Humans, Male, Meningitis, Prevalence, Retrospective Studies, South Africa, Tuberculosis |
SGUL Research Institute / Research Centre: |
Academic Structure > Infection and Immunity Research Institute (INII) |
Journal or Publication Title: |
BMC INFECTIOUS DISEASES |
ISSN: |
1471-2334 |
Related URLs: |
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Dates: |
Date | Event |
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15 March 2010 | Published |
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Web of Science ID: |
WOS:000276836500001 |
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URI: |
https://openaccess.sgul.ac.uk/id/eprint/1971 |
Publisher's version: |
https://doi.org/10.1186/1471-2334-10-67 |
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