Key result
Three-dimensional echocardiography demonstrated that patients with ischemic heart disease and mitral regurgitation had significantly reduced mitral annular height (6.00 mm) compared to those without mitral regurgitation (7.96 mm) and normal controls (8.31 mm, p<0.0001).
Why the study?
Does three-dimensional transesophageal echocardiography reveal differences in mitral annular geometric deformities among patients with ischemic heart disease with and without mitral regurgitation?
Observational (n=42)
Does three-dimensional transesophageal echocardiography reveal differences in mitral annular geometric deformities among patients with ischemic heart disease with and without mitral regurgitation?
Three-dimensional transesophageal echocardiography demonstrates that ischemic heart disease patients with mitral regurgitation have significant geometric deformities of the mitral annulus, including reduced height and loss of saddle shape.
Should not yet change ischemic MR management; leaves open annular height as a potential marker or target.
BACKGROUND: A full understanding of the geometry of the nonplanar saddle-shaped mitral annulus can provide valuable information regarding the pathophysiology of mitral regurgitation (MR). AIM OF THE WORK: To investigate mitral annular geometric deformities using three-dimensional echocardiography among patients with ischemic coronary illness with and without mitral regurgitation. METHODS: Three-dimensional transesophageal echocardiographic data were acquired intraoperatively from patients with ischemic heart disease with or without associated mitral regurgitation who experienced coronary artery bypass grafting and normal control subjects. The mitral annulus was analyzed for differences in geometry using QLAB software. CONCLUSION: Among patients with ischemic heart disease, there are significant increases in mitral valve tenting volume and height, and those with mitral regurgitation exhibited a reduced mitral annular height, a shallower saddle shape annulus and losses of ellipsicity of the annulus.
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Sebaie et al. (2016) conducted an observational in Ischemic heart disease with and without mitral regurgitation (n=42). Three-dimensional transesophageal echocardiography vs. Patients without mitral regurgitation and normal controls was evaluated on Mitral annular height (p=<0.0001). Three-dimensional echocardiography demonstrated that patients with ischemic heart disease and mitral regurgitation had significantly reduced mitral annular height (6.00 mm) compared to those without mitral regurgitation (7.96 mm) and normal controls (8.31 mm, p<0.0001).
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