Population (n=400) | SMR without SAD (n=200) | SADMR (n=200) | P value | |
LA strain, % | 12.35±7.5 | 15.51±8.63 | 9.71±4.97 | <0.001 |
LVGLS, % | −6.57±3.3 | −6.26±3.22 | −6.86±3.43 | 0.14 |
Mitral annular diameter/BSA, cm/m2 | 2.03±0.38 | 1.84±0.37 | 2.18±0.36 | <0.001 |
Anterior leaflet length/annular diameter | 0.62±0.09 | 0.67±0.91 | 0.58±0.76 | <0.001 |
Posterior leaflet length/annular diameter | 0.61±0.09 | 0.66±0.87 | 0.58±0.78 | <0.001 |
Anterior leaflet angle, degrees | 34.2 (26.8, 42.1) | 41.19 (36.29, 46.07) | 28.51 (24.16, 33.48) | <0.001 |
Posterior leaflet angle, degrees | 35.7±10.2 | 41.54±8.86 | 30.64±8.54 | <0.001 |
Tenting height. cm | 1.34 (1.1, 1.6) | 1.55 (1.33, 1.79) | 1.14 (0.91, 1.38) | <0.001 |
Significan p-values (<0.05) are highlighted in bold.
BSA, body surface area; LV, left atrium; LVGLS, left ventricular global longitudinal strain; SADMR, severe atrial dilation mitral regurgitation.