Radiofrequency Catheter Ablation (RFCA) as second-line ... - NHS
Radiofrequency Catheter Ablation (RFCA) as second-line ... - NHS
Radiofrequency Catheter Ablation (RFCA) as second-line ... - NHS
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A recent cohort study of 285 consecutive patients between 2002-2007 (Hunter et al) 56 comparedtreatment success rates in paroxysmal versus persistent AF; after one treatment, a cluster oftreatments, and at 6 months off drugs. At all stages success rates in persistent were 20%(absolute difference) lower compared to paroxysmal. In each treatment group these findingswere highly statistically significant. Overall treatment success rates were lower in patients withpersistent AF (68%) compared to paroxysmal (86%). The mean number of procedures w<strong>as</strong>higher for persistent (2.0) compared to paroxysmal (1.7). Multivariate analysis identified femalesex (p