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Updated: Aug 20, 2026

Technical Aspects of the Mouse Aortocaval Fistula
Published on: July 11, 2013
Aorto-right ventricular fistula as an occasional finding
Jeroen Walpot1, Cees Klazen, Raymond Hokken
1Department of Cardiology, Ziekenhuis Walcheren, The Netherlands. j.m.j.b.walpot@walcheren.ziekenhuis.nl
Insights
Aorto-right ventricular fistulas, rare aortic defects, can occur without typical causes like trauma or endocarditis. This case highlights an unusual presentation of this cardiac anomaly.
Area of Science:
- Cardiovascular Medicine
- Cardiac Surgery
- Medical Diagnostics
Background:
- Aorto-right ventricular fistulas are abnormal connections between the aorta and the right ventricle.
- Common etiologies include trauma and infective endocarditis.
- These fistulas can lead to significant hemodynamic disturbances.
Observation:
- The study presents a rare case of an aorto-right ventricular fistula.
- The fistula was an incidental finding and not associated with trauma or endocarditis.
- No other abnormalities of the aortic valve, root, or ascending aorta were detected.
Findings:
- The diagnosis of an aorto-right ventricular fistula was confirmed.
- The absence of typical causative factors was noted.
- A comprehensive evaluation ruled out associated aortic pathologies.
Implications:
- This case expands the understanding of potential etiologies for aorto-right ventricular fistulas.
- Highlights the importance of considering less common causes in diagnosing cardiac anomalies.
- May influence diagnostic and management strategies for similar rare presentations.
Abstract:
Aorto-right ventricular fistulas are defects of the aortic wall in the area above the right coronary cusp, where it separates aorta and right ventricular outflowtract. Often, these injuries are due to trauma or infective endocarditis. We report an occasional finding of such a fistula, without these causes. There were no other abnormalities on the aortic valve, root or the ascending aorta.
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