Table 4. Differences in the left ventricular diastolic parameters between patients with and without increased left atrial pressure among patients with paroxysmal and persistent atrial fibrillation.
| Paroxysmal AF | Persistent AF | |||||
|---|---|---|---|---|---|---|
| Patients without increased LAP (n=50) | Patients with increased LAP (n=28) | p value | Patients without increased LAP (n=32) | Patients with increased LAP (n=14) | p value | |
| LA diameter (mm) | 38.9±5.4 | 39.9±5.3 | 0.421 | 43.4±4.3 | 45.1±4.7 | 0.228 |
| LA volume index (mL/m2) | 38.2±13.8 | 40.8±12.4 | 0.407 | 49.3±14.9 | 48.1±16.8 | 0.812 |
| LA emptying fraction (%) | 41.3±11.5 | 36.5±10.3 | 0.067 | 26.4±9.3 | 28.9±12.4 | 0.451 |
| LVMI | 90.8±16.4 | 86.9±13.9 | 0.305 | 92.4±16.2 | 90.1±21.1 | 0.684 |
| E (cm/s) | 60.7±16.4 | 86.9±13.9 | 0.033 | 66.4±14.8 | 74.8±17.7 | 0.101 |
| A (cm/s) | 51.7±15.9 | 47.4±14.0 | 0.281 | |||
| DT (msec) | 191.1±39.2 | 185.0±47.0 | 0.537 | 167.6±36.2 | 177.6±63.8 | 0.499 |
| e′ medial (cm/s) | 7.52±2.30 | 7.34±1.90 | 0.732 | 8.84±1.50 | 7.59±2.00 | 0.024 |
| e′ lateral (cm/s) | 11.1±3.2 | 11.6±3.1 | 0.561 | 12.7±3.4 | 11.2±3.0 | 0.171 |
| E/e′ medial | 8.62±2.80 | 9.78±3.10 | 0.095 | 7.89±2.90 | 10.50±2.70 | 0.006 |
| E/e′ lateral | 5.76±1.90 | 6.22±1.80 | 0.286 | 5.88±3.40 | 6.97±1.70 | 0.262 |
| TR Vmax (m/s) | 2.48±2.80 | 2.03±0.70 | 0.416 | 2.02±0.60 | 2.21±0.30 | 0.249 |
Values are presented as mean±standard deviation.
AF = atrial fibrillation; DT = deceleration time, LA = left atrial; LAP = left atrial pressure; LVMI = left ventricular mass index; TR Vmax = tricuspid regurgitation maximal velocity.