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Published on: March 22, 2012
Rapidly advancing invasive endomyocardial aspergillosis
Vedat Davutoglu1, Serdar Soydinc, Abdullah Aydin
1Departments of Cardiology and Pathology, Gaziantep University School of Medicine, Sahinbey Medical Center, TR-27310 Sahinbey/Gaziantep, Turkey. davutoglu@gantep.edu.tr
Abstract:
The exposure to Aspergillus organisms/spores is likely common, but disease caused by tissue invasion with these fungi is uncommon and occurs primarily in the setting of immunosuppression. We report a case of rapidly advancing invasive endomyocardial aspergillosis secondary to prolonged usage of multiple broad-spectrum antibiotics in a nonimmunocompromised host. A 36-year-old cotton textile worker presented to our institution with a 3-month history of weight loss and fatigue. He reported receiving prolonged use of multiple broad-spectrum antibiotic treatment. The echocardiogram demonstrated multiple endomyocardial vegetations and a mass in the left atrium. Myocardial biopsy specimen revealed an invasive endomyocardial aspergillosis. The patient was investigated for immune deficiency including HIV, and this workup was negative. Treatment was started with amphotericin B and heparin for presumed left atrial thrombus. The patient died because of a rupture of mycotic aneurysm that resulted in cerebral hemorrhage. This case illustrates the risk of an invasive fungal infection in a nonimmunocompromised host who is a prolonged user of antibiotics in the setting of environmental exposure of opportunistic invasive fungal infections.
Insights
Invasive endomyocardial aspergillosis, a rare fungal infection, occurred in a non-immunocompromised patient due to prolonged broad-spectrum antibiotic use. This case highlights the risk of opportunistic fungal infections in unexpected patient populations.
Area of Science:
- Mycology
- Infectious Diseases
- Cardiology
Background:
- Aspergillus spore exposure is common, but invasive disease typically affects immunocompromised individuals.
- Broad-spectrum antibiotic use can disrupt the microbiome, potentially increasing susceptibility to opportunistic infections.
Observation:
- A 36-year-old cotton textile worker presented with weight loss and fatigue after prolonged antibiotic treatment.
- Echocardiography revealed endomyocardial vegetations and a left atrial mass.
- Myocardial biopsy confirmed invasive endomyocardial aspergillosis.
Findings:
- The patient was non-immunocompromised, with negative investigations for immune deficiency including HIV.
- Treatment with amphotericin B and heparin was initiated.
- The patient succumbed to a ruptured mycotic aneurysm leading to cerebral hemorrhage.
Implications:
- This case underscores the potential for invasive fungal infections, such as aspergillosis, in non-immunocompromised hosts with prolonged antibiotic exposure.
- Environmental exposure to Aspergillus, combined with antibiotic-induced dysbiosis, may create a risk for opportunistic infections.
- Highlights the need for vigilance regarding fungal infections in patients with atypical risk factors.
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