Table 2.
Total | Paroxysmal AF | Persistent AF | P | First Ablation | Repeat Ablation | P | |
---|---|---|---|---|---|---|---|
Patients, n | 75 | 42 | 33 | 43 | 32 | ||
LA Volume, ml | 169.8±44.2 | 155.5±37.5 | 187.9±46.0 | 0.001 | 172.1±50.8 | 166.7±34.1 | 0.604 |
LA Volume Index, ml/m2 | 83.3±20.7 | 78.3±18.9 | 89.5±21.5 | 0.019 | 84.2±23.0 | 82.0±17.5 | 0.647 |
LA Mass, gm | 22.7±9.6 | 20.4±8.7 | 25.7±10.0 | 0.017 | 21.3±7.6 | 24.7±11.7 | 0.139 |
LA Mass Index, gm/m2 | 11.1±4.3 | 10.2±4.2 | 12.1±4.3 | 0.060 | 10.4±3.6 | 11.9±5.2 | 0.141 |
LA Septal Wall Thickness, mm | 2.08±0.35 | 2.12±0.36 | 2.03±0.32 | 0.240 | 2.05±0.36 | 2.11±0.33 | 0.460 |
LA Anterior Wall Thickness, mm | 2.04±0.35 | 2.07±0.39 | 2.01±0.29 | 0.434 | 2.03±0.37 | 2.06±0.32 | 0.753 |
LA Posterior Wall Thickness, mm | 2.27±0.39 | 2.30±0.40 | 2.24±0.37 | 0.491 | 2.26±0.39 | 2.28±0.39 | 0.815 |
Mean IIR | 0.85±0.11 | 0.82±0.10 | 0.89±0.11 | 0.002 | 0.83±0.12 | 0.88±0.08 | 0.039 |
IIR-Septal Wall | 0.83±0.17 | 0.79±0.10 | 0.88±0.22 | 0.020 | 0.79±0.13 | 0.89±0.21 | 0.018 |
IIR-Anterior Wall | 0.84±0.12 | 0.80±0.12 | 0.90±0.10 | <0.001 | 0.82±0.12 | 0.89±0.10 | 0.040 |
IIR-Posterior Wall | 0.89±0.15 | 0.84±0.14 | 0.96±0.14 | <0.001 | 0.88±0.17 | 0.91±0.11 | 0.514 |
IIR-PV Antrum | 1.00±0.20 | 0.95±0.20 | 1.07±0.19 | 0.010 | 0.87±0.13 | 1.19±0.12 | <0.001 |
LA= left atrium, AF= atrial fibrillation.