Key result
In patients with severe aortic stenosis, bicuspid aortic valves were associated with a significantly younger age at surgery (55 vs 71 years) and larger ascending aorta diameters compared to tricuspid valves.
Why the study?
Does MRI or echocardiography accurately assess aortic valve morphology in patients with severe aortic stenosis?
Cross-Sectional (n=80)
Yes
Does MRI or echocardiography accurately assess aortic valve morphology in patients with severe aortic stenosis?
Absolute Event Rate: 55% vs 71%
p-value: p=<0.0001
In patients with severe aortic stenosis, MRI is more sensitive but less specific than echocardiography for identifying bicuspid aortic valves, and BAV is associated with a larger ascending aorta.
Authors
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BAV in severe AS was associated with younger surgical age and larger aortas; hypothesis-generating for morphology-specific imaging thresholds.
Joziasse et al. (2011) conducted a cross-sectional in Severe aortic stenosis (n=80). Bicuspid aortic valve vs. Tricuspid aortic valve was evaluated on Age at surgery (years) (p=<0.0001). In patients with severe aortic stenosis, bicuspid aortic valves were associated with a significantly younger age at surgery (55 vs 71 years) and larger ascending aorta diameters compared to tricuspid valves.
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