Coronary artery compression caused by a large pseudoaneurysm of the mitral-aortic intervalvular fibrosa
A J Bier1, J A Lamphere, P O Daily
1Sharp Memorial Hospital, San Diego, CA, USA.
Insights
Bacterial endocarditis can cause rare late complications, like pseudoaneurysms that compress coronary arteries years after treatment. Transesophageal echocardiography aids in diagnosing and managing this serious condition.
Area of Science:
- Cardiology
- Infectious Diseases
- Medical Imaging
Background:
- Bacterial endocarditis is an infection of the heart's inner lining.
- Late complications are uncommon but can be severe.
- Mitral-aortic intervalvular fibrosa pseudoaneurysms are a rare sequela.
Observation:
- A patient presented with symptoms four years post-bacterial endocarditis diagnosis and treatment.
- The patient had a large pseudoaneurysm of the mitral-aortic intervalvular fibrosa.
- This pseudoaneurysm was causing significant coronary artery compression.
Findings:
- Transesophageal echocardiography (TEE) was instrumental in diagnosing the pseudoaneurysm.
- TEE provided detailed anatomical information crucial for surgical planning.
- The findings highlight a delayed, yet serious, complication of endocarditis.
Implications:
- This case underscores the importance of long-term surveillance for patients with a history of bacterial endocarditis.
- Early diagnosis and intervention using advanced imaging like TEE are critical for managing such rare complications.
- Understanding these late sequelae can improve patient outcomes and inform clinical guidelines.
Abstract:
An unusual late complication of bacterial endocarditis is described. Four years after diagnosis and treatment, a patient is seen with coronary artery compression caused by a large pseudoaneurysm of the mitral-aortic intervalvular fibrosa. The utility of transesophageal echocardiography in diagnosis and surgical management is emphasized.
Related Concept Videos
Mitral Valve Prolapse I: Introduction
Mitral Stenosis I: Introduction
Aortic Regurgitation I: Introduction
Aortic Regurgitation II: Clinical Features and Diagnostic Tests
Aneurysm I: Introduction
Aneurysm II: Clinical Manifestations and Diagnostic Studies


