Table 2.
Echocardiographic findings and cardiopulmonary exercise testing parameters of patients with hypertrophic cardiomyopathy
| Echocardiographic parameters | Values, mean (SD) | |
|---|---|---|
| 2D LVEF, mean (SD) | 67.5 (7.2) | |
| 2D LEVDV, mean (SD) | 83.2 (24.6) | |
| 2D LESV, mean (SD) | 29.5 (12.1) | |
| Global longitudinal strain 2D (%), mean (SD) | -13 (7) | |
| 3DLVEF (%), mean (SD) | 61.8 (5.9) | |
| Indexed LV mass (g/m2), mean (SD) | 97.4 (23.8) | |
| Global longitudinal strain 3D (%), mean (SD) | -10 (4) | |
| Global circumferential strain 3D (%), mean (SD) | -13 (6) | |
| Global radial strain 3D (%), mean (SD) | 29 (12) | |
| E- wave (cm/s), mean (SD) | 80 (22) | |
| A – wave (cm/s), mean (SD) | 69 (25) | |
| E/A ratio, mean (SD) | 1.37 (0.89) | |
| Deceleration time (ms), mean (SD) | 187 (75) | |
| e’ septal (cm/s), mean (SD) | 6 (2) | |
| e’ lateral (cm/s), mean (SD) | 8 (3) | |
| a’ septal (cm/s), mean (SD) | 8 (3) | |
| a’ lateral (cm/s), mean (SD) | 8 (4) | |
| Average E/e’ ratio, mean (SD) | 12.8 (4.8) | |
| peak velocity of TR jet (cm/s), mean (SD) | 24 (38.6) | |
| LAiVol (ml/m2), mean (SD) | 47.27 (16.2) | |
| RV-RA gradient (mmHg), mean (SD) | 24 (10) | |
| CPET data | ||
| pVO2 (ml/kg/min), mean (SD) | 21 (6.67) | |
| % of max predicted VO2 (%), mean (SD) | 86 (23) | |
| VE/VCO2 slope, mean (SD) | 29 (5.3) | |
| Time to AT (min), mean (SD) | 6 (6.0) | |
| VO2 in AT (ml/Kg/min), mean (SD) | 14 (4) | |
| Optimal point of ventilation, mean (SD) | 25 (5) | |
| RER, mean (SD) | 1.05 (0.1) | |
| Time of exercise (min), mean (SD) | 12.4 (4.3) |
Anaerobic threshold (AT), cardiopulmonary exercise testing (CPET), deceleration time (DT), left atrial index volume (LAiVol), 2D Left ventricle end diastolic volume (2D LVEDV), 2D left ventricle end systolic volume (2DLVESV), Left ventricular ejection fraction (LVEF), peak oxygen consumption (pVO2), minute ventilation/carbon dioxide production (VE/VCO2), right ventricle-right atrium (RV-RA) gradient, respiratory exchange ratio (RER), tricuspid regurgitation (TR).