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Cryptococcal meningitis in AIDS--need for early diagnosis
S R Aquinas1, S D Tarey, G D Ravindran
1St. John's Medical College and Hospital, Bangalore.
Abstract:
Cryptococcal meningitis is the most common opportunistic fungal infection in patients with Acquired Immunodeficiency Syndrome (AIDS) contributing to the increased morbidity and mortality. This important infection in AIDS seems to be under diagnosed in India. We discuss the clinical features, laboratory diagnosis and therapy of seven cases of cryptococcal meningitis detected in our hospital. Diagnosis was established in all cases by identification of the fungus in cerebrospinal fluid (CSF) by India Ink preparation and positive fungal culture in CSF and/or Blood. Six patients were treated with Amphotericin B and Flucytosine. Two were cured and have not relapsed on suppressive therapy. Two died during treatment. Two were lost to follow up. All the three patients who died had positive fungal culture in blood and CSF. Presence of Cryptococcemia in Cryptococcal meningitis is an indicator of poor prognosis. A high index of clinical suspicion and routine mycological surveillance essential to identify this infection.
Insights
Cryptococcal meningitis, a common fungal infection in Acquired Immunodeficiency Syndrome (AIDS) patients, is often underdiagnosed in India. Early diagnosis and treatment are crucial for better outcomes in these vulnerable individuals.
Area of Science:
- Mycology
- Infectious Diseases
- Neurology
Background:
- Cryptococcal meningitis is the leading opportunistic fungal infection in Acquired Immunodeficiency Syndrome (AIDS) patients.
- This infection significantly contributes to morbidity and mortality in the AIDS population.
- Cryptococcal meningitis appears to be underdiagnosed in India.
Purpose of the Study:
- To discuss the clinical features, laboratory diagnosis, and therapy of cryptococcal meningitis in seven AIDS patients.
- To highlight the importance of early detection and appropriate management of this opportunistic infection.
Main Methods:
- Diagnosis was confirmed by identifying the fungus in cerebrospinal fluid (CSF) using India Ink preparation.
- Positive fungal cultures from CSF and/or blood further established the diagnosis.
- Treatment involved Amphotericin B and Flucytosine for six patients.
Main Results:
- Seven cases of cryptococcal meningitis in AIDS patients were analyzed.
- Two patients were cured with suppressive therapy, two died during treatment, and two were lost to follow-up.
- Positive fungal cultures in blood and CSF indicated a poor prognosis, with all three deceased patients having this finding.
Conclusions:
- Presence of Cryptococcemia (fungal presence in blood) in cryptococcal meningitis is a significant indicator of poor prognosis.
- A high index of clinical suspicion and routine mycological surveillance are essential for timely identification of this infection in at-risk populations.