Results
Mean age was 85.3 ± 4.7 years. Both 3D TEE methods highly correlated with MSCT for annular diameters (semi-automated r =0.96, p<0.0001 and manual r=0.84, p<0.0001) and for annular areas (semi-automated r=0.96, p<0.0001 and manual r=0.82, p<0.0001). Inter-observer reproducibility was high for both 3D TEE methods for annular diameters (semi-automated r=0.96, p<0.001 and manual r=0.91, p<0.001) and annular area (semi-automated r=0.96, p<0.0001 and manual was 0.95 p<0.0001).