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

Table 4 Complications in zero-fluoroscopy (ZF) and conventional fluoroscopy (CF) groups

Complications	ZF (n = 998)	CF (n = 1993)	p-value
Pseudoaneurysm, n	6 (0.6%)	14 (0.7%)	0.75
Arterial-venous fistula, n	4 (0.4%)	6 (0.3%)	0.66
Pneumothorax, n	0 (0.0%)	6 (0.3%)	0.01
II-III degree of AVB, n	1 (0.1%)	2 (0.1%)	0.99
Cardiac tamponade, n	0 (0.0%)	1 (0.1%)	0.32
Thoracic surgery, n	0 (0.0%)	0 (0.0%)	NA
Total (n, %)	11 (1.1%)	29 (1.5%)	0.41

Abbreviations: AVB atrial ventricular block, NA not applicable; other abbreviations were seen as in Table 1

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