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Table 3 Classification according to presence or patterns of systolic anterior motion of mitral valve

From: Diverse geometric changes related to dynamic left ventricular outflow tract obstruction without overt hypertrophic cardiomyopathy

  Leaflet SAM Chordal SAM PM kissing Mixed None of above P
(n = 31) (n = 80) (n = 38) (n = 3) (n = 16)
Age, years 71.4 ± 11.0 72.2 ± 9.6 67.2 ± 13.5 69.3 ± 17.8 74.1 ± 7.5 0.140
Women, n (%) 18 (13) 27 (34) 14 (37) 2 (67) 9 (56) 0.091
Hypertension, n (%) 20 (65) 67 (84) 34 (90) 2 (67) 13 (81) 0.091
SBP, mmHg 123.9 ± 17.2 130.8 ± 19.4 131.6 ± 23.6 120.0 ± 5.7 123.7 ± 26.5 0.409
DBP, mmHg 71.8 ± 11.3 71.4 ± 11.3 72.8 ± 13.4 71.0 ± 8.5 64.7 ± 10.3 0.320
LVEDD/BSA, mm/m2 23.8 ± 2.7 24.4 ± 2.7 23.6 ± 3.2 28.0 ± 9.8 24.3 ± 4.3 0.255
LVESD/BSA, mm/m2 15.0 ± 2.3 15.6 ± 2.0 14.9 ± 2.1 17.2 ± 4.3 15.2 ± 2.4 0.271
LV ejection fraction, % 70.3 ± 5.1 68.1 ± 5.8 69.5 ± 5.7 71.0 ± 7.1 69.6 ± 5.9 0.355
Angle at end-systole, ° 160.3 ± 9.9 161.2 ± 11.9 165.5 ± 12.4 162.2 ± 11.4 163.5 ± 13.0 0.338
Angle at end-diastole, ° 151.3 ± 10.0 151.1 ± 12.8 154.8 ± 13.2 150.6 ± 10.1 155.0 ± 12.1 0.505
BST, mm 15.7 ± 2.5 15.6 ± 2.7 14.1 ± 2.0 15.9 ± 3.3 15.7 ± 1.7 0.024
LVMI, g/m2 96.4 ± 30.8 87.5 ± 20.4 87.1 ± 24.1 86.4 ± 30.2 86.7 ± 40.9 0.540
LA volume index, ml/m2 27.6 ± 18.8 24.2 ± 7.2 27.0 ± 7.8 34.1 ± 17.6 24.0 ± 10.9 0.340
E/e’ 15.0 ± 5.5 14.0 ± 5.2 13.4 ± 4.4 13.1 ± 6.1 12.6 ± 0.6 0.716
S’, cm/s 8.5 ± 2.3 8.1 ± 1.8 8.4 ± 2.6 6.0 ± 1.4 9.7 ± 3.1 0.076
Latent DLVOTO, n (%) 16 (52) 74 (93) 32 (84) 3 (100) 10 (63) <0.001
LVOT PGresting, mmHg 36.7 ± 28.8 15.6 ± 15.0 18.3 ± 14.3 12.6 ± 6.3 27.1 ± 15.8 <0.001
LVOT PGValsalva, mmHg 64.3 ± 39.9 43.4 ± 13.9 42.7 ± 13.0 41.4 ± 20.4 45.3 ± 11.3 <0.001
LVESWS, g/cm 52.1 ± 15.5 49.8 ± 13.1 48.7 ± 10.6 38.7 ± 4.8 49.2 ± 14.0 0.633
  1. SAM, systolic anterior motion of mitral valve. See abbreviations in the Tables 1 and 2.