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Listeria monocytogenes causing endovascular infection
Southern Medical Journal
|February 1, 1992
Abstract:
Listeria monocytogenes is an uncommon cause of mycotic aneurysms, endocarditis, and other endovascular infections. When they occur, these infections usually involve patients with relatively normal host defenses, but with abnormal vascular intima or cardiac valves. We have reported a Listeria monocytogenes infection at the site of a posttraumatic aortic aneurysm.
Insights
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.