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Cryptococcal meningitis: clinical, diagnostic and therapeutic overviews
P Satishchandra1, T Mathew, G Gadre
1Department of Neurology, National Institute of Mental Health and Neurosciences (NIMHANS) and St. Johns Medical College Hospital, Bangalore, India. psatish@nimhans.kar.nic.in
Abstract:
Cryptococcal meningitis has emerged as a leading cause of infectious morbidity and mortality in patients with AIDS. Among the human immunodeficiency virus (HIV)-seropositive subjects, cryptococcal meningitis is the second most common cause of opportunistic neuro-infection. Current trends are changing due to the marked improvement of quality and length of life produced by highly active antiretroviral therapy (HAART). The introduction of generic HAART in India has resulted in an increase in the number of individuals getting treatment for HIV infection, as the cost of highly active antiretroviral therapy (HAART) has decreased 20- fold. Cryptococcal meningitis occurs in non-HIV patients who are immunodeficient due to diabetes, cancer, solid organ transplants, chemotherapeutic drugs, hematological malignancies etc and rarely in healthy individuals with no obvious predisposing factors. Diagnosis of cryptococcal meningitis is fairly straightforward once the diagnosis is considered in the differential diagnosis of chronic meningitis. Treatment of a patient with cryptococcal infection is a challenge for both the physician and the patient, but rewarding, as many would recover with timely and adequate antifungal therapy.
Insights
Cryptococcal meningitis is a significant threat in AIDS patients, but highly active antiretroviral therapy (HAART) is changing trends. Early diagnosis and antifungal treatment are crucial for recovery in both HIV-positive and other immunocompromised individuals.
Area of Science:
- Infectious Diseases
- Neuroscience
- Immunology
Background:
- Cryptococcal meningitis is a major cause of death in AIDS patients and a common opportunistic neuro-infection in HIV-seropositive individuals.
- Highly active antiretroviral therapy (HAART) has improved patient outcomes, altering the epidemiology of cryptococcal meningitis.
- This infection also affects non-HIV immunocompromised patients (e.g., those with diabetes, cancer, or organ transplants) and rarely healthy individuals.
Purpose of the Study:
- To discuss the changing trends in cryptococcal meningitis, particularly in the context of widespread HAART use.
- To highlight the importance of considering cryptococcal meningitis in the differential diagnosis of chronic meningitis.
- To emphasize the challenges and rewards of treating cryptococcal infections.
Main Methods:
- Review of current trends and epidemiological shifts in cryptococcal meningitis.
- Discussion of diagnostic considerations for chronic meningitis.
- Overview of treatment challenges and outcomes for cryptococcal infections.
Main Results:
- HAART has led to significant improvements in the quality and length of life for HIV-infected individuals, impacting cryptococcal meningitis trends.
- The availability of generic HAART in India has increased treatment access and decreased costs.
- Diagnosis is achievable once considered, and treatment, though challenging, can lead to recovery.
Conclusions:
- Cryptococcal meningitis remains a critical concern, especially in immunocompromised populations.
- Effective management requires timely diagnosis and appropriate antifungal therapy.
- Improved HAART access is reshaping the landscape of HIV-related opportunistic infections.
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