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Erschienen in:
04.09.2019 | Original Communication
Clinical features, outcomes and prognostic factors of tuberculous meningitis in adults worldwide: systematic review and meta-analysis
Erschienen in: Journal of Neurology | Ausgabe 12/2019
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Background
Tuberculous meningitis (TBM) is one of the most life-threatening infectious diseases. We performed a systematic review and meta-analysis of the clinical features, outcomes, and prognostic factors for TBM in adults.
Methods
PubMed, EMBASE, Cochrane CENTRAL, and Web of Science were searched for studies that reported the clinical outcomes and/or risk factors for death in adults with TBM between January 1990 and July 2018. A random-effects meta-analysis model was used to pool data on clinical features, outcomes, and risk factors for death.
Results
Thirty-two studies that examined 5023 adults who had TBM met the inclusion criteria. Overall, the mortality was 22.8% [95% confidence interval (CI) 18.9–26.8] and the risk of neurological sequelae was 28.7% (95% CI 22.8–35.1). The major risk factors for death (OR > 2 and P < 0.05) were advanced stage of disease (OR = 6.06, 95% CI 4.31–8.53), hydrocephalus (OR = 5.27, 95% CI 2.25–12.37), altered consciousness (OR 3.33, 95% CI 1.51–7.36), altered sensorium (OR 3.31, 95% CI 2.20–4.98), advanced age (> 60 years; OR = 2.64, 95% CI 1.27–5.51), and cerebral infarction (OR = 2.35, 95% CI 1.63–3.38). The clinical features and diagnostic findings present in more than four-fifths of the patients were fever (86.3%, 95% CI 82.4–89.8) and low CSF/serum glucose ratio (80.6%, 95% CI 64.8–92.6).
Conclusions
Adults with TBM have high rates of mortality. Clinicians should maintain a high clinical suspicion for patients who present with certain clinical features, and should pay more attention to prognostic factors.