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Table 2 Follow-up results

From: Could successful cryoballoon ablation of paroxysmal atrial fibrillation prevent progressive left atrial remodeling?

  Recurrent AF-free
  Baseline 3 6 12 Baseline 3 6 12
LAV min (ml) 38 ± 19 41 ± 16 43 ± 18 44 ± 20a 30 ± 12 32 ± 13 30 ± 11 32 ± 11
LAV max (ml) 73 ± 23 78 ± 29 78 ± 23 81 ± 24a 67 ± 20 70 ± 20 67 ± 19 69 ± 15
LAVI (ml/m 2 ) 35 ± 10 38 ± 13 38+10 39 ± 11a 33 ± 9 35 ± 8 33 ± 8 34 ± 7
LAD max (mm) 55 ± 5 56 ± 6 58 ± 6 59 ± 6b 54 ± 6 55 ± 5 56 ± 4 56 ± 5
LAFF (%) 36 ± 7 35 ± 8 34 ± 6 33 ± 8a 34 ± 7 35 ± 11 38+11 32 ± 8
Aa sept (cm/s) 8.8 ± 1.8 8.3 ± 2.1 8.6 ± 1.8 8.8 ± 2.2 9.7 ± 2.1 10.3 ± 3.1c 10.4 ± 1.7c 9.7 ± 2.1
Aa lat (cm/s) 9.8 ± 2.1 10.1 ± 3.4 10.2 ± 2.7 10.2 ± 2.7 10.7 ± 2.7 10.7 ± 2.2 11.5 ± 2.1 10.8 ± 3.1
LAEF (%) 48 ± 11 47 ± 13 45 ± 10 47 ± 11 55 ± 8c 55 ± 8c 56 ± 8d 55 ± 9c
PVSF (%) 58 ± 9 55 ± 8 55 ± 9 50 ± 10a 60 ± 7 56 ± 9 61 ± 9 60 ± 10
Ea sept (cm/s) 8.1 ± 1.9 8.8 ± 1.6 8.9 ± 1.9 7.7 ± 1 8.8 ± 2.8 9 ± 2.5 8.6 ± 2.3 8.8 ± 2.3
Ea lat (cm/s) 11.2 ± 2.4 12 ± 2.5 12 ± 2.8 11.3 ± 1.6 10.9 ± 3.2 11.6 ± 3.5 11.6 ± 3.6 11.7 ± 3.1
E/Ea avg 7.2 ± 1.8 7.3 ± 2. 8 ± 2.6 8.5 ± 2.3b 7.3 ± 2.1 7.4 ± 2 7 ± 1.5 7.4 ± 2.4
  1. a: p < 0.05, baseline to 12 months;
  2. b: p < 0.01, baseline to 12 months;
  3. c: p < 0.05, recurrent vs AF-free at the same follow-up visit;
  4. d: p < 0.01, recurrent vs AF-free at the same follow-up visit.
  5. Abbreviations:
  6. Aal at ; late diastolic velocity measured by pulsed-wave tissue Doppler echocardiography at the lateral mitral annulus
  7. Aa sept ; late diastolic velocity measured by pulsed-wave tissue Doppler echocardiography at the septal mitral annulus
  8. E; early diastolic velocity of mitral pulsed wave Doppler inflow
  9. Ea avg ; average value of septal and lateral early diastolic velocities measured by pulsed-wave tissue Doppler echocardiography
  10. Ea lat ; early diastolic velocity measured by pulsed-wave tissue Doppler echocardiography at the lateral mitral annulus
  11. Ea sept ; early diastolic velocity measured by pulsed-wave tissue Doppler echocardiography at the septal mitral annulus
  12. LAD max ; maximal left atrial longitudinal diameter
  13. LAEF; left atrial total emptying fraction
  14. LAFF; left atrial filling fraction
  15. LAVI; left atrial volume index
  16. LAV max ; left atrial maximal volume
  17. LAV min ; left atrial minimal volume
  18. PVSF; systolic fraction of pulmonary venous flow