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This research aims to summarize the clinical features and outcomes of congenital mitral atresia with a normal aortic valve.

March 22, 2026PEDIATRICS

Mitral Atresia With Normal Aortic Valve

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Case series reveals survival outcomes and common symptoms in congenital mitral atresia, indicating critical cardiac anomalies.

This research aims to summarize the clinical features and outcomes of congenital mitral atresia with a normal aortic valve.
Presentation of 11 new cases of congenital mitral atresia
Summarization of 41 additional cases from existing literature
Assessment of symptoms, survival rates, and anatomical findings
Evaluation of diagnostic tests including electrocardiograms and angiocardiograms
Average survival was approximately 6 months
Common symptoms included cyanosis, dyspnea, and failure to gain weight
Right ventricular hypertrophy was a notable electrocardiographic finding
Frequent association with pulmonary stenosis or transposition of the great vessels
Almost half of the cases had associated major extracardiac defects, like asplenia

Watson et al. (1960) studied this question.

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