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Histological Quantification to Determine Lung Fungal Burden in Experimental Aspergillosis
Published on: March 9, 2018
Case Reports. Chronic and acute Aspergillus meningitis
Abstract:
Cerebral aspergillosis usually occurs in severely immunocompromized hosts, is difficult to diagnose, and has a poor prognosis. After 14 months of chronic meningitis, ventriculitis, choroid plexitis, and lumbar arachnoiditis, which was complicated by acute hydrocephalus, Aspergillus, suspected to be from the candidus group, was isolated from the cerebrospinal fluid (CSF) of a previously healthy man. Thereafter Aspergillus antigen was found in stored plasma and CSF samples. He was treated with voriconazole and itraconazole. In a haemodialysis patient affected by an acute meningococcal meningitis, following a 3-day symptom-free interval, symptoms and signs of acute meningitis had reappeared and were unresponsive to a broad antimicrobial coverage. However, they resolved within 5 days after liposomal amphotericin B treatment had been started. From his CSF Aspergillus-DNA was identified and Aspergillus fumigatus isolated by culture. These two different clinical cases show that Aspergillus-DNA and antigen detection tests represent an advance in the diagnosis and liposomal amphotericin B, voriconazole, and itraconazole are an advance in the treatment of Aspergillus meningitis.
Insights
Diagnosing cerebral aspergillosis is challenging, but Aspergillus-DNA and antigen tests offer improved detection. Antifungal treatments like liposomal amphotericin B, voriconazole, and itraconazole show promise for treating this serious fungal infection.
Area of Science:
- Infectious Diseases
- Mycology
- Neurology
Background:
- Cerebral aspergillosis is a rare but severe central nervous system infection.
- It typically affects immunocompromised individuals and carries a poor prognosis.
- Diagnosis is often delayed, contributing to poor outcomes.
Observation:
- Two distinct cases of Aspergillus meningitis are presented.
- Case 1: A previously healthy man with chronic meningitis, ventriculitis, and arachnoiditis.
- Case 2: A hemodialysis patient with relapsed bacterial meningitis.
Findings:
- Aspergillus was isolated from CSF in both patients.
- Aspergillus antigen was detected in plasma and CSF.
- Aspergillus-DNA was identified in CSF, and Aspergillus fumigatus was cultured.
- Treatment with voriconazole, itraconazole, and liposomal amphotericin B led to resolution.
Implications:
- Aspergillus-DNA and antigen detection represent advancements in diagnosing invasive aspergillosis.
- Liposomal amphotericin B, voriconazole, and itraconazole are effective treatment options.
- Early diagnosis and targeted antifungal therapy are crucial for improving outcomes in cerebral aspergillosis.
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