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Danielle B. Cohen Eduard E. Zijlstra Mavuto Mukaka Miriam Reiss Shizzie Kamphambale Maarten Scholing Peter I. Waitt Florian Neuhann 《Tropical medicine & international health : TM & IH》2010,15(8):910-917
Objectives Cryptococcal meningitis (CM) and tuberculous meningitis (TBM) are common in HIV‐infected adults in Africa and difficult to diagnose. Inaccurate diagnosis results in adverse outcomes. We describe patterns of meningitis in a Malawian hospital, focusing on features which differentiate CM and TBM with the aim to derive an algorithm using only clinical and basic laboratory data available in this resource‐poor setting. Methods Consecutive patients admitted with meningitis were prospectively recruited, clinical features were recorded and cerebrospinal fluid (CSF) was examined. Results A total of 573 patients were recruited, and 263 (46%) had CSF consistent with meningitis. One hundred and twelve (43%) had CM and 46 (18%) had TBM. CM was associated with high CSF opening pressure and low CSF leukocyte count. Fever, neck stiffness and reduced conscious level were associated with TBM. A diagnostic index was constructed demonstrating sensitivity 83%and specificity 79% for the differentiation of CM and TBM. An algorithm was derived with 92% sensitivity for the diagnosis of CM, but only 58% specificity. Conclusions Although we demonstrate features associated with CM and TBM, a sufficiently sensitive and specific diagnostic algorithm could not be derived, suggesting that the diagnosis of CM and TBM in resource‐limited settings still requires better access to laboratory tools. 相似文献
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