Long-term clinical outcomes of catheter ablation in patients with atrial fibrillation predisposing to tachycardia-bradycardia syndrome: a long pause predicts implantation of a permanent pacemaker

Table 3 Factors associated with pacemaker implantation after ablation

Factors	HR (univariate analysis)	P value	HR (multivariate analysis)	P value
Age, years	1.014 (0.954-1.078)	0.657
Female sex	0.488 (0.142-1.676)	0.254
Longest pause, seconds	1.287 (1.101-1.506)	0.002	1.576 (1.060-1.343)	0.025
Time of AF symptom onset, months	0.978 (0.933-1.025)	0.357
AAD after ablation	1.459 (0.308-6.904)	0.634
LVEF, %	1.024 (0.952-1.102)	0.525
LA diameter, mm	1.086 (0.990-1.191)	0.080	1.230 (0.860-1.757)	0.257
Trigger (vs. no-trigger)	0.753 (0.217-2.614)	0.655

Values are expressed as hazard ratios (HRs) with CI 95%. AAD anti-arrhythmic drug, LVEF left ventricular ejection fraction, LA left atrium

ISSN: 1471-2261