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Table 4 Wall thickness of left PV antrum

From: Left atrial wall thickness and its relationship with reconnection after pulmonary vein isolation in patients with atrial fibrillation evaluated using a three-dimensional wall thickness map

Left superior PV

Segment

Superior

Anterior

Posterior

Carina

Group (number)

RECON (16)

NR (62)

RECON (28)

NR (50)

RECON (15)

NR (63)

RECON (18)

NR (60)

Grade

2.9 ± 0.5**

2.3 ± 0.8

3.1 ± 1.2

3.1 ± 1.0

2.3 ± 1.0

1.9 ± 1.0

2.6 ± 1.0

2.3 ± 1.2

Distribution

 Grade 1

0 (0%)

14 (23%)

2 (7%)

1 (2%)

5 (33%)

33 (52%)

4 (22%)

24 (40%)

 Grade 2

3 (19%)

18 (29%)

7 (25%)

13 (26%)

1 (7%)

5 (8%)

3 (17%)

6 (10%)

 Grade 3

12 (75%)

29 (47%)

9 (32%)

24 (48%)

9 (60%)

23 (37%)

8 (44%)

21 (35%)

 Grade 4

1 (6%)

1 (2%)

5 (18%)

2 (4%)

0 (0%)

2 (3%)

3 (17%)

8 (13%)

 Grade 5

0 (0%)

0 (0%)

5 (18%)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

1 (2%)

 P value

0.00072**

0.82

0.21

0.32

Left inferior PV

Segment

Carina

Anterior

Posterior

Inferior

Group (number)

RECON (13)

NR (65)

RECON (20)

NR (58)

RECON (11)

NR (67)

RECON (7)

NR (71)

Grade

2.7 ± 0.9*

2.0 ± 1.0

3.5 ± 1.4

3.1 ± 1.2

2.5 ± 1.1

2.0 ± 1.0

3.3 ± 1.4*

2.0 ± 0.9

Distribution

 Grade 1

2 (15%)

29 (45%)

1 (5%)

8 (14%)

3 (26%)

33 (49%)

1 (14%)

27 (38%)

 Grade 2

1 (8%)

12 (18%)

5 (25%)

10 (17%)

2 (18%)

6 (9%)

0 (0%)

24 (34%)

 Grade 3

9 (69%)

22 (34%)

5 (25%)

19 (33%)

4 (36%)

25 (37%)

4 (57%)

17 (24%)

 Grade 4

1 (8%)

0 (0%)

2 (10%)

13 (22%)

2 (18%)

3 (4%)

0 (0%)

2 (3%)

 Grade 5

0 (0%)

2 (3%)

7 (35%)

8 (14%)

0 (0%)

0 (0%)

2 (29%)

1 (1%)

 P value

0.02*

0.26

0.2

0.04*

  1. RECON reconnected, NR non-reconnected
  2. *P < 0.05 for reconnected vs. non-reconnected
  3. **P < 0.01 for reconnected vs. non-reconnected
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International Journal of Arrhythmia

ISSN: 2466-1171

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