Lan Wen1, Maolin Li2, Tao Xu3, Xinyuan Yu4, Lijun Wang5, Kunyi Li6. 1. Department of Neurology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China. 2. Department of Neurology, People's Hospital of Deyang City, No. 173, North Taishan Road, Deyang, Sichuan, China. 3. Department of Neurology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China. 4. Department of Neurology, Chongqing Traditional Chinese Medicine Hospital, Chongqing, China. 5. Department of Neurology, Institute of Neurology, Ruijin Hospital Affiliated to School of Medicine, Shanghai Jiao Tong University, Shanghai, China. 6. Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, 1 Youyi Road, Chongqing, 400016, China. lky19911@163.com.
Abstract
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.
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.
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