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1Department of Neurology, Shaoxing People's Hospital, Zhejiang University Shaoxing Hospital, Shaoxing, China xinfangsuncn@126.com.
Abstract:
Tuberculous meningitis (TM), a common infectious disease of the central nervous system that is also seen in other types of tuberculosis infections, has higher mortality rates in young and middle-aged patients. TM is difficult to diagnose and treat owing to its non-specific clinical features and often atypical cerebrospinal fluid changes. Patients who present with focal neurologic signs, cough, low-grade fever and illness duration of more than 5 days, have intracalvarial abnormalities, and do not meet Thwaites' criterion findings should be diagnosed using computed tomography or magnetic resonance imaging. Mycobacterium infections can also be diagnosed by acid-fast staining of smears, cerebrospinal fluid culture, diagnostic polymerase chain reaction for Mycobacterium tuberculosis, and purified protein derivative test. To prevent TM misdiagnosis, clinicians must have sufficient knowledge of the clinical manifestations of tuberculosis. Appropriate application of tuberculosis chemotherapy drug principles, including early diagnosis and treatment, combination therapies, and consistent administration of treatment at appropriate dosages, can greatly reduce TM mortality rates and improve satisfactory treatment outcomes.
Insights
Tuberculous meningitis (TM) is a serious central nervous system infection with high mortality, especially in younger patients. Early diagnosis and appropriate treatment are crucial for reducing TM mortality rates and improving patient outcomes.
Area of Science:
- Neurology
- Infectious Diseases
- Microbiology
Background:
- Tuberculous meningitis (TM) presents with non-specific symptoms, complicating diagnosis and treatment.
- TM has a high mortality rate, particularly in young and middle-aged individuals.
Observation:
- Diagnostic challenges arise from atypical cerebrospinal fluid findings and subtle clinical presentations.
- Imaging techniques like CT and MRI are vital for diagnosing TM in specific patient groups.
- Microbiological tests including acid-fast staining, CSF culture, PCR, and PPD tests aid in Mycobacterium infection diagnosis.
Findings:
- Accurate diagnosis requires clinicians to possess thorough knowledge of tuberculosis clinical manifestations.
- Early diagnosis and prompt initiation of treatment significantly impact TM outcomes.
- Combination chemotherapy, consistent administration, and appropriate dosages are key treatment principles.
Implications:
- Improved diagnostic strategies can prevent misdiagnosis of TM.
- Adherence to chemotherapy principles can substantially decrease TM mortality.
- Enhanced understanding of TM pathogenesis and clinical features is essential for better patient management.
