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Table 4 Parameters of the ablation between the low-impedance group and high-impedance group

From: Impact of baseline impedance of pulmonary vein antrum on success of catheter ablation for paroxysmal atrial fibrillation guided by ablation index

 

Low-impedance group (n = 54)

High-impedance group (n = 47)

P value

AI

419.7 ± 7.6

421.8 ± 7.5

0.18

Baseline impedance (Ω)

117.0 ± 4.5

132.5 ± 6.9

< 0.01

Impedance drop (Ω)

11.0 ± 1.5

10.4 ± 1.3

0.05

Ratio of impedance drop (%)

9.4 ± 1.4

7.9 ± 1.0

< 0.01

First-pass PVI rate, n (%)

98 (90.7)

81 (86.2)

0.28

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BMC Cardiovascular Disorders

ISSN: 1471-2261

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