Comparison of Imaging Modalities for Left Ventricular Noncompaction Morphology

Figures

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  Figure 1. (A) 2D echo and CMR images of a healthy and an LVNC patient. (B) 3D echo image of a LVNC patient. LVNC: left ventricular non-compaction; CMR: cardiac magnetic resonance imaging. The orange line in figure (B) marks the 90° axis in the 3D echo image.

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  Figure 2. Correlation and Bland–Altman plots between 2D echocardiography and 3D echocardiography imaging-derived measurements. In the upper row, solid lines represent the linear regression fit, while dashed lines indicate the 95% confidence intervals of the regression. In the lower row (Bland–Altman plots), the solid line shows the mean difference between modalities, and dashed lines represent the 95% limits of agreement (±1.96 SD). Each dot corresponds to an individual measurement. EDV: end-diastolic volume; ESV: end-systolic volume; SV: stroke volume; EF: ejection fraction; GLS: global longitudinal strain; GCS: global circumferential strain; and (i): indexed to body surface area.

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  Figure 3. Correlation and Bland–Altman plots between 2D echocardiography and CMR imaging-derived measurements. In the upper row, solid lines represent the linear regression fit, while dashed lines indicate the 95% confidence intervals of the regression. In the lower row (Bland–Altman plots), the solid line shows the mean difference between modalities, and dashed lines represent the 95% limits of agreement (±1.96 SD). Each dot corresponds to an individual measurement. EDV: end-diastolic volume; ESV: end-systolic volume; SV: stroke volume; EF: ejection fraction; GLS: global longitudinal strain; GCS: global circumferential strain; and (i): indexed to body surface area.

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  Figure 4. Correlation and Bland–Altman plots between 3D echocardiography and CMR imaging-derived measurements. In the upper row, solid lines represent the linear regression fit, while dashed lines indicate the 95% confidence intervals of the regression. In the lower row (Bland–Altman plots), the solid line shows the mean difference between modalities, and dashed lines represent the 95% limits of agreement (±1.96 SD). Each dot corresponds to an individual measurement. EDV: end-diastolic volume; ESV: end-systolic volume; SV: stroke volume; EF: ejection fraction; GLS: global longitudinal strain; GCS: global circumferential strain; and (i): indexed to body surface area.