Unusual Communication between the Pulmonary Artery and Vieussens' Arterial Ring Causing Infective Endocarditis

Area of Science:

• Cardiology
• Vascular Biology
• Infectious Diseases

Background:

• Coronary artery fistula involves abnormal connections between coronary arteries and cardiac chambers.
• Vieussens' arterial ring is a specific fistula between the right coronary artery's conus branch and the left anterior descending artery.
• While often asymptomatic, coronary fistulas can lead to complications like infective endocarditis.

Observation:

• A rare case of Vieussens' arterial ring was identified.
• This specific coronary artery fistula was associated with infective endocarditis.
• The patient presented with severe mitral regurgitation.

Findings:

• Vieussens' arterial ring can serve as a nidus for infective endocarditis.
• The fistula contributed to the development of severe mitral regurgitation.
• This case highlights a complex presentation of a coronary artery anomaly.

Implications:

• Understanding rare coronary artery anomalies is crucial for diagnosing and managing cardiac complications.
• Vieussens' arterial ring should be considered in cases of infective endocarditis with cardiac involvement.
• This case underscores the importance of comprehensive echocardiographic and angiographic evaluation in complex cardiac presentations.