Outcomes of Cryoballoon Ablation in High- and Low-Volume Atrial Fibrillation Ablation Centres: A Russian Pilot Survey

Table 1

AF ablation centres’ characteristics.

Centre code	Total number of catheter ablations	Total number of CBAs	Total AF ablations	AF ablations/year	High AF volume center
1	12001	109	5232	1011	+
2	1596	71	568	202	+
3	4298	69	1532	411	+
4	3416	55	353	123	+
5	2149	33	284	89	−
6	7434	27	2364	575	+
7	4010	24	1237	161	+
8	2445	18	52	15	−
9	235	13	40	25	−
10	1330	13	16	6	−
11	912	10	217	60	−
12	1750	8	43	3	−
13	128	7	26	12	−
Total	41704	457	11964	2693	46%

Calculated for the 2 last years; AF: atrial fibrillation; CBA: cryoballoon ablation.