Table 4.
Echocardiographic Profile in Childhood‐Onset Essential Hypertension With and Without Left Ventricular Hypertrophy
| Left Ventricular Hypertrophy | P Value | ||
|---|---|---|---|
| No | Yes | ||
| Heart rate, beats per min | 74.4 (13.4) | 72.7 (13.6) | .5877 |
| Left ventricular mass, g | 121 (29.5) | 178.7 (30) | <.0001 |
| Left ventricular mass index, g/body surface area | 68.8 (12.3) | 90.8 (12.2) | <.0001 |
| Left ventricular mass index, g/cm2.7 | 31.7 (5.3) | 44.9 (4.6) | <.0001 |
| Relative wall thickness | 0.3 (0.04) | 0.4 (0.05) | <.0001 |
| Shortening fraction, % | 41.2 (9.3) | 50.8 (13.7) | .0002 |
| Ejection fraction, % | 78.2 (10.2) | 85.5 (9.4) | .0016 |
| Mitral valve E wave, cm/s | 98.4 (17.3) | 99.7 (28.2) | .7986 |
| Mitral valve A wave, cm/s | 52.5 (13.2) | 55 (16.1) | .4540 |
| Mitral valve E/A | 2.0 (0.5) | 1.9 (0.4) | .3403 |
| Velocity of circumferential fiber shortening, circ/s | 422.5 (19.1) | 426.1 (27.3) | .5374 |
| Mitral valve deceleration time, ms | 183.0 (35.6) | 180.5 (36.1) | .7557 |
| Mitral valve acceleration time, ms | 90.5 (15.4) | 96.8 (23.7) | .1471 |
| Isovolumic relaxation time, ms | 69.7 (12.8) | 79.6 (21) | .0081 |
| Left ventricular ejection time, ms | 295.6 (22.4) | 296.5 (28.5) | .8683 |
Values are expressed as mean (standard deviation) unless otherwise indicated.