Quantitative measurements of aortic valve coaptation by three-dimensional transesophageal echocardiography in patients with aortic regurgitation without primary leaflet disease
2010
Background
Aortic regurgitation (AR) without primary leaflet disease (functional AR) is known to occur as a result of loss of coaptation due to sinotubular junction (STJ) dilatation. However, the characteristics of change in the aortic valve coaptation length (AVCL) in 3 cusps in patients with functional AR are, as yet, unclear. The aim of this study was to measure the AVCL in 3 cusps in patients with functional AR by three-dimensional transesophageal echocardiograph (3D TEE).
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