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Table 3 Subgroup analyses CB-1 versus 2

From: Cryoballoon vs. open irrigated radiofrequency ablation for paroxysmal atrial fibrillation: long-term FreezeAF outcomes

 

CB – 1

(N = 120)

CB – 2

(N = 22)

p-value

Isthmus ablation (RF)

15 (13%)

4 (18%)

0.61

Common ostium

15 (13%)

5 (23%)

0.35

Total procedure time (min)

170.5

103.2

<0.001

X-ray duration (min)

27.2

18.6

0.0004

X-ray dose (cGy*cm2)

77.4

55.0

0.10

Single procedure success

42 (35%)

17 (67%)

0.001

  1. CB-1: first generation Arctic Front; CB-2: second generation Arctic Front Advance (both Medtronic, Minneapolis, MN)
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BMC Cardiovascular Disorders

ISSN: 1471-2261

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