Multimodality Imaging in Rothia dentocariosa Infective Endocarditis and Internal Iliac Artery Infectious Aneurysm
Monique Boukobza1, Richard Raffoul2, Jean-Pierre Laissy1
1Department of Radiology, Bichat-Claude Bernard University Hospital, Assistance Publique - Hopitaux de Paris, Paris, France.
Vascular and Endovascular Surgery
|May 28, 2024
Summary
Infective endocarditis with internal iliac artery aneurysm is rare. This case shows that antibiotic therapy alone can lead to aneurysm regression, detectable with PET/CT.
Area of Science:
- Cardiology
- Infectious Diseases
- Vascular Surgery
Background:
- Infective endocarditis (IE) is a serious infection affecting heart valves.
- Aneurysms of the internal iliac artery are uncommon, and their association with IE is exceptionally rare.
- Rothia dentocariosa is an infrequent cause of IE.
Observation:
- A previously healthy 62-year-old male presented with Rothia dentocariosa IE.
- Multi-modality imaging identified a clinically silent aneurysm of the left internal iliac artery.
- The patient underwent aortic valve replacement and received antibiotic treatment.
Findings:
- Follow-up imaging demonstrated significant regression of the internal iliac artery aneurysm.
- Positron Emission Tomography/Computed Tomography (PET/CT) proved effective in identifying and monitoring the aneurysm.
- The aneurysm resolved with antibiotic therapy alone, without the need for surgical intervention on the vessel.
Implications:
- Internal iliac artery aneurysms associated with IE may regress with antibiotic treatment.
- PET/CT is a valuable tool for diagnosing and tracking these rare vascular complications.
- This case expands the understanding of IE-related vascular pathology and its management.
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