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Table 3 Ablation outcome of the zero-fluoroscopy (ZF) approach compared with those of the conventional fluoroscopy (CF) approach

From: Zero-fluoroscopy approach for ablation of supraventricular tachycardia using the Ensite NavX system: a multicenter experience

 

ZF (n = 998)

CF (n = 1993)

p-value

Number of lesionsa

3.6 ± 2.9

4.5 ± 3.5

< 0.01

Ablation time (seconds)

274.4 ± 207.1

301.5 ± 247.5

0.13

Fluoroscopy time (minutes)

0

6.9 ± 5.9

< 0.01

Procedure time (minutes)

60.3 ± 20.3

59.7 ± 22.6

0.90

Switch to CF (n, %)

7 (0.7%)

NA

NA

Complete ZF (n, %)

991 (99.3%)

NA

NA

Immediate failure (n, %)

5 (0.5%)

15 (0.8%)

0.43

Immediate success (n, %)

986 (98.8%)

1978 (99.2%)

0.22

Recurrence (n, %)

4 (0.4%)

9 (0.5%)

0.85

Total success (n, %)

982 (98.4%)

1969 (98.8%)

0.39

  1. Abbreviations: NA not applicable; other abbreviations were seen as in Table 1
  2. atentative ablations of less than 10 s were not included