Table 1 Main echocardiographic findings at baseline and follow-up.
Basal
(heavy training)
6 months
(detraining)
12 months
(retraining)
Height (m) 1.75 1.75 1.75
Weight (Kg) 75 78 76
Body surface area (m2) 1.90 1.94 1.91
LV end-diastolic diameter (mm) 46 47 48
LV end-systolic diameter (mm) 25 24.5 26
Posterior ventricular septum thickness (mm) 12.4 12.1 12.5
Posterior wall thickness (mm) 12 9.5 9.5
Relative wall thickness 0.52 0.46 0.46
Apical thickness (mm) 15.8 (*) 13.0 (-2.8) 14.9 (+1.9)
Lateral wall thickness (mm) 12.5 10.4 11.8
LV mass (g) 209.9 182.8 194.0
LV mass index (adult ASE criteria) (g·m-2) 108.9 94.5 101.3
LV diastolic volume (ml) 85 83 80
LV systolic volume (ml) 23 25 24
LV ejection fraction 0.73 0.70 0.70
LA systolic area (cm2) 14 14 14
LA systolic volume (ml) 43 45 44
LA indexed volume (ml·m-2) 22.6 23.2 23.0
RA systolic area (cm2) 13 13 13
RA systolic volume (ml) 36 35 35
RA indexed volume (ml·cm-2) 18.9 18.0 18.3
Mitral E/A ratio 1.75 1.72 1.70
Mitral E-wave deceleration time (ms) 175 180 199
E/E’ lateral ratio 6.6 8.3 7.5
E/E’ septal ratio 13.1 (*) 11.5 13.3
S’ lateral velocity (cm·s-1) 11 10 10
S’ septal velocity (cm·s-1) 7 (*) 8 8
IVRT (ms) 57 58 60
TEI index (TDI-derived) 0.26 0.28 0.24
Circumferential strain (%) -38.2±2.3 -35.3±2.7 38.5±3.4
Radial strain (%) 38.0±2.7 37.0±2.4 42.0±2.9
Longitudinal endocardial strain (%) -12.0±3.3 * -18.3±3.2 -14.3±3.1
ASE, American Society of Echocardiography
IVRT, isovolumic relaxation time
LA, left atrial
LV, left ventricular
RA, right atrial.
* Variables consistent with HCM and LV functional impairment.