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Infective Endocarditis Following Coil Embolization for a Visceral Pseudoaneurysm: A Case Report
Matthew Kaldas1, Sofia Gonzalez Rubiano1, Benjamin Pendowski1
1Internal Medicine, Nova Southeastern University Dr. Kiran C. Patel College of Osteopathic Medicine, Tampa, USA.
Cureus
|August 8, 2025
Summary
Endovascular coil embolization for visceral pseudoaneurysms can rarely lead to infective endocarditis. Prompt diagnosis and treatment are crucial for high-risk patients, especially those with malignancy or heart conditions.
Area of Science:
- Interventional Radiology
- Infectious Diseases
- Cardiology
Background:
- Endovascular coil embolization is a standard treatment for visceral pseudoaneurysms.
- Post-procedural infections, including bacteremia and infective endocarditis (IE), are rare but serious complications.
- Patients with malignancy, valvular disease, or immunosuppression are at higher risk.
Observation:
- A 52-year-old male with a history of renal cell carcinoma and heart murmur presented with abdominal pain due to visceral pseudoaneurysms.
- Successful coil and glue embolization was performed.
- Transesophageal echocardiography revealed severe mitral regurgitation with vegetations, and blood cultures were positive for *Streptococcus mutans*, confirming IE.
Findings:
- The patient developed infective endocarditis following endovascular coil embolization.
- This rare complication is strongly associated with factors like foreign material, tissue vulnerability, and underlying malignancy.
- *Streptococcus mutans* bacteremia was identified as the causative agent.
Implications:
- This case underscores the importance of vigilance for rare infectious complications after endovascular procedures.
- Early recognition, species-level identification, and prompt intervention are critical for managing IE in high-risk patients.
- Close post-procedural monitoring may benefit patients undergoing embolization for visceral pseudoaneurysms.
Keywords:
endovascular coil embolizationinfective endocarditispost-procedural bacteremiavisceral artery pseudoaneurysmstreptococcus mutansMore Related Videos
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