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Multidrug-resistant tuberculous meningitis in patients with AIDS
G L Daikos1, T Cleary, A Rodriguez
1Department of Medicine, University of Miami School of Medicine, Miami, Florida, USA. gdaikos@med.uoa.gr
Summary
Multidrug-resistant tuberculous meningitis (MDR-TB) is a severe complication in AIDS patients, often proving fatal despite treatment. This study highlights the poor outcomes and clinical challenges associated with this difficult-to-treat infection.
Area of Science:
- Infectious Diseases
- Neurology
- Public Health
Background:
- Tuberculous meningitis (TB meningitis) remains a significant global health challenge, particularly in individuals with compromised immune systems.
- Multidrug-resistant tuberculosis (MDR-TB) presents a growing therapeutic challenge, with tuberculous meningitis being a severe and often fatal complication.
- Acquired immunodeficiency syndrome (AIDS) further complicates TB meningitis management due to immune suppression.
Purpose of the Study:
- To describe the clinical features, microbiological profiles, and patient outcomes for a cohort of patients with multidrug-resistant tuberculous meningitis (MDR-TB) and AIDS.
- To identify key challenges in the diagnosis and management of MDR-TB meningitis in the context of advanced HIV infection.
Main Methods:
- Retrospective case series analysis of eight patients diagnosed with MDR-TB meningitis and AIDS.
- Review of clinical presentations, cerebrospinal fluid (CSF) findings, neuroimaging results, and treatment outcomes.
- Bacteriologic characterization of Mycobacterium tuberculosis isolates to confirm drug resistance patterns.
Main Results:
- All eight patients presented with meningitis as a terminal complication of known MDR-TB, despite ongoing anti-tuberculosis therapy.
- Common clinical manifestations included fever, headache, and altered mentation. CSF analysis consistently showed pleocytosis, low glucose, and high protein levels.
- Neuroimaging revealed intracerebral mass lesions, hydrocephalus, meningeal enhancement, and infarcts in several patients. Seven patients died within 16 weeks of meningitis diagnosis; one was lost to follow-up.
Conclusions:
- MDR-TB meningitis in patients with AIDS is associated with a very high fatality rate and represents a difficult-to-treat infectious complication.
- Early diagnosis and effective, though challenging, therapeutic strategies are crucial for managing this severe condition.
- The study underscores the need for improved diagnostic and treatment approaches for MDR-TB meningitis in immunocompromised populations.