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Listeria monocytogenes causing endovascular infection
Southern Medical Journal
|February 1, 1992
Summary
Listeria monocytogenes rarely causes mycotic aneurysms and endovascular infections, typically in patients with compromised vascular intima or heart valves. This report details a Listeria monocytogenes infection at a posttraumatic aortic aneurysm site.
Area of Science:
- Infectious Diseases
- Cardiovascular Medicine
- Microbiology
Background:
- Listeria monocytogenes is an infrequent pathogen responsible for endovascular infections, including mycotic aneurysms and endocarditis.
- These infections predominantly affect individuals with seemingly normal immune systems but possess underlying vascular or valvular abnormalities.
Observation:
- A case of Listeria monocytogenes infection was identified at the site of a posttraumatic aortic aneurysm.
Findings:
- The study highlights a rare instance of Listeria monocytogenes infection manifesting in a posttraumatic aortic aneurysm.
- This finding underscores the potential for Listeria monocytogenes to cause severe vascular complications even in the absence of profound immunosuppression.
Implications:
- Understanding the pathogenesis of Listeria monocytogenes endovascular infections is crucial for timely diagnosis and treatment.
- This case contributes to the literature on uncommon bacterial causes of aortic aneurysms, emphasizing the need for broad microbial consideration in complex vascular infections.