Table 1 Patients clinical and electrophysiological parameters for both groups

Patients, n

22

25

Mean age, years

54.1 ± 11

59.8 ± 12

< 0.05

Female, % (n)

72.7 (16)

68.0 (17)

n.s.

Fluoroscopy time in min.

0

11.2 ± 9.0

< 0.05

Radiation dose in Gycm²

0

20.3 ± 16.2

< 0.05

 slow/fast

86.4 (19)

88.0 (22)

n.s.

 slow/slow

9.1 (2)

0

 fast/slow

4.5 (1)

3

Orciprenaline needed for induction, % (n)

54.5 (12)

52.0 (13)

n.s.

AVNRT cycle length, ms

357 ± 55

349 ± 62

n.s.

PQ interval baseline, ms

153 ± 21

150 ± 19

n.s.

PQ interval post-abl., ms

152 ± 22

151 ± 20

n.s.

Antegrade Wenckebach baseline, ms

328 ± 36

324 ± 42

n.s.

Antegrade Wenckebach post-abl., ms

314 ± 38

326 ± 40

n.s.

DAVNP^a at baseline, % (n)

90.1 (20)

92.0 (23)

n.s.

DAVNP post-ablation, % (n)

45.5 (10)

44.0 (11)

n.s.