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Double-orifice mitral valve with three papillary muscles
1Department of Internal Medicine, Yoshida General Hospital, Ehime, Japan.
Chest
|November 1, 1993
Summary
This case report details a rare double-orifice mitral valve identified in a teenage boy. Echocardiography confirmed two mitral valve openings with mild regurgitation, but normal heart function.
Area of Science:
- Cardiology
- Congenital Heart Disease
- Medical Imaging
Background:
- Congenital heart anomalies, though rare, require accurate diagnosis.
- The mitral valve is crucial for maintaining unidirectional blood flow from the left atrium to the left ventricle.
- Double-orifice mitral valve is an uncommon congenital malformation.
Observation:
- A 16-year-old Japanese male presented with a rare cardiac anomaly.
- Two-dimensional and transesophageal echocardiography were utilized for detailed cardiac assessment.
- The imaging revealed two distinct mitral valve orifices of similar size and three papillary muscles.
Findings:
- The echocardiographic examination confirmed a double-orifice mitral valve.
- Color Doppler imaging demonstrated mild mitral regurgitation originating from both valve orifices.
- No other associated cardiac abnormalities were detected in the patient.
- Left ventricular function was assessed as normal.
Implications:
- This case highlights the importance of advanced echocardiography in diagnosing rare congenital heart defects.
- Understanding the morphology and functional impact of double-orifice mitral valve is crucial for patient management.
- The absence of other cardiac anomalies and preserved ventricular function suggests a potentially favorable prognosis for this specific case.