Table 2.
Variables | Normal(n = 331) | DD grade I(n = 111) | DD grade II(n = 49) | DD grade III(n = 9) |
3.4 ± 0.4 | 3.6 ± 0.4* | 4.1 ± 0.4**† | 5.0 ± 0.6**†‡ | |
LA (mm) | ||||
LAV (mL) | 39.3 ± 9.3 | 48.2 ± 14.7* | 64.7 ± 11**† | 88.9 ±12.5**†‡ |
LAVI (mL/m²) | 21.6 ± 4.2 | 26.1 ± 7.5* | 33.4 ± 4.6**† | 50.4 ± 2.8**†‡ |
LVDD (mm) | 5.0 ± 0.5 | 5.2 ± 0.5 | 5.4 ± 0.8 | 6.5 ± 1.2**†‡ |
LVSD (mm) | 3.1 ± 2.1 | 3.2 ± 0.5 | 3.3 ± 0.6 | 5.0 ± 1.4**†‡ |
IVS (mm) | 1.0 ± 0.9 | 1.1 ± 0.2 | 1.2 ± 0.3 | 1.9± 2.7* |
LVPW (mm) | 1.0 ± 0.9 | 1.2 ± 1.1 | 1.1 ± 0.1 | 2.0 ± 2.9** |
RWT | 0.36 ± 0.1 | 0.42 ± 0.1 | 0.42 ± 0.1 | 0.32 ± 0.1**†‡ |
Mitral Doppler | ||||
height="26">E (m/s) | 79 ± 18 | 58.8 ± 11.6** | 82.7 ± 13.9 | 98.6 ± 32.1*†‡ |
A (m/s) | 64.7 ± 17 | 87.3 ± 18.4 | 74.3 ± 18 | 50.9 ± 16**†‡ |
E/A | 1.29 ± 0.5 | 1.3 ± 7.4** | 1.16 ± 0.2 | 2.1 ± 0.8**†‡ |
DT (ms) | 156 ± 25 | 226 ± 34** | 172 ± 20 | 137 ± 12**†‡ |
Tissue Doppler | ||||
e' (m/s) | 11.5 ± 4.1 | 7.4 ± 7.1** | 7.2 ± 1** | 5.9 ± 1.2**† |
E/e' | 7.1 ± 2 | 8.8 ± 2.1* | 11.3 ± 2.5** | 16.1 ± 2.6**†‡ |
DD: diastolic dysfunction; LA: left atrium; LAV: left atrial volume; LAVI: left atrial volume; LVDD: left ventricle diastolic diameter; LVSD: left ventricle systolic diameter; IVS: intraventricular septum; LVPW: left ventricle posterior wall; RWT: relative wall thickness E: mitral flow protodiastolic velocity; A: mitral flow telediastolic velocity; E/A: ratio between E and A waves; e: septal mitral anulus protodiastolic velocity; E/e': ratio between E and e' waves. The data were presented as mean ± DP. * p<0.05 e ** p < 0.01 vs. N, † p < 0.05 vs. grade I DD and p < 0.05 vs. Grade II DD; DT: E wave deceleration time.