We found a match
Your institution may have rights to this item. Sign in to continue.
- Title
Impact of the pulmonary vein orifice area assessed using intracardiac echocardiography on the outcome of radiofrequency catheter ablation for atrial fibrillation.
- Authors
Nakashima, Takashi; Kawasaki, Masanori; Toyoshi, Hiroyuki; Takasugi, Nobuhiro; Kubota, Tomoki; Kanamori, Hiromitsu; Ushikoshi, Hiroaki; Aoyama, Takuma; Nishigaki, Kazuhiko; Minatoguchi, Shinya
- Abstract
<bold>Purpose: </bold>The purposes of this study were to investigate pulmonary vein cross-sectional orifice area (PV-CSOA) using intracardiac echocardiography (ICE) and to determine its association with atrial fibrillation (AF) recurrence after radiofrequency catheter ablation (RFCA).<bold>Methods: </bold>We studied 77 patients undergoing initial RFCA for AF (55 paroxysmal and 22 persistent AF patients, mean age 61 ± 12 years, 59 men). The PV-CSOA was measured in each patient and expressed as an index divided by the body surface area-left superior (LSPV-CSOA), left inferior (LIPV-CSOA), right superior (RSPV-CSOA), and right inferior (RIPV-CSOA).<bold>Results: </bold>After a mean follow-up of 21 ± 14 months, 61 patients maintained sinus rhythm (non-recurrence group) and AF recurred in 16 patients (recurrence group). The LSPV-CSOA index was significantly greater in the recurrence group compared with the non-recurrence group (146 ± 41 vs. 126 ± 30 mm2/m2, p = 0.04). A Cox regression multivariate analysis revealed that the LSPV-CSOA was the independent predictor of AF recurrence (HR 1.02, 95% CI 1.01-1.04, p = 0.01). The LSPV-CSOA cutoff value of 154 mm2/m2 predicts AF recurrence with 50% positive predictive value and 89% negative predictive value.<bold>Conclusions: </bold>The present study suggests that ICE can be used as an alternative imaging tools for assessing the PV-CSOA during RFCA and that the LSPV-CSOA index was a useful independent predictor of AF recurrence after RFCA.
- Subjects
ATRIAL fibrillation; CATHETER ablation; ECHOCARDIOGRAPHY; ORIFICE plates (Fluid dynamics); PULMONARY veins
- Publication
Journal of Interventional Cardiac Electrophysiology, 2018, Vol 51, Issue 2, p133
- ISSN
1383-875X
- Publication type
journal article
- DOI
10.1007/s10840-018-0324-4