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Congenital unicuspid aortic valve stenosis in siblings
Yu Kawahara1, Kotarou Suzuki, Shingo Takahara
1Yamagata Prefectural Central Hospital, 1800 Aoyagi, Yamagata, Yamagata, Japan, kawaharayu@nifty.com.
General Thoracic and Cardiovascular Surgery
|May 28, 2013
Summary
This study reports the first known cases of congenital unicuspid aortic valve in siblings, suggesting a potential genetic link. Further research into familial incidence of this rare heart condition is warranted.
Area of Science:
- Cardiology
- Genetics
- Congenital Heart Disease
Background:
- Unicuspid aortic valve (UAV) is a rare congenital heart defect.
- Familial incidence and genetic factors of UAV are not well understood.
Observation:
- A 41-year-old male presented with severe aortic stenosis due to a unicuspid aortic valve.
- His 37-year-old sister, initially diagnosed with bicuspid aortic valve, was also found to have a unicuspid aortic valve.
Findings:
- Both siblings underwent aortic valve replacement.
- Histopathological studies confirmed congenitally unicuspid aortic valve in both cases.
- This represents the first reported instance of UAV in siblings.
Implications:
- Suggests a potential familial predisposition and genetic basis for unicuspid aortic valve.
- Highlights the importance of family screening for congenital aortic valve anomalies.
- Contributes to understanding the spectrum of congenital aortic valve disease.
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