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Prognosis of high sinus heart rate after catheter ablation for atrial fibrillation

Authors
 Hee Tae Yu  ;  Tae-Hoon Kim  ;  Jae-Sun Uhm  ;  Jong-Youn Kim  ;  Boyoung Joung  ;  Moon-Hyoung Lee  ;  Hui-Nam Pak 
Citation
 EUROPACE, Vol.19 : 1132-1139, 2017 
Journal Title
 EUROPACE 
ISSN
 1099-5129 
Issue Date
2017
Abstract
AIMS: Although atrial fibrillation (AF) catheter ablation increases sinus heart rate (HR), its mechanism and prognosis have not yet been clearly elucidated. We hypothesize that post-AF ablation high sinus HR (PA-HSR) is associated with a better clinical outcome of AF ablation without adverse cardiac effects. METHODS AND RESULTS: We studied 991 AF patients (75% male, 58 ± 11 years old, 70% paroxysmal AF) with HR variability (HRV) at 3 months and 1 year after catheter ablation, and pre- and post-1-year echocardiograms. Post-AF ablation high sinus HR was defined as an average HR greater than 2 SD (≥92 bpm) as measured by 24 h Holter. (1) Average HR increased significantly (P< 0.001), and PA-HSR was observed in 28 patients (2.8%) 3 months after AF ablation. At 1 year after catheter ablation, 21% were taking β-blockers and 36% maintained an average HR of ≥92 bpm. (2) Post-AF ablation high sinus HR was independently associated with pre-procedural high average HR (OR 1.097; 95% CI 1.029-1.169, P= 0.005), high left atrium (LA) electrogram voltage (OR 3.545; 95% CI 1.183-10.618, P= 0.024), and reduced root mean square of differences between successive NN intervals (rMSSD) at 3 months HRV (OR 0.959; 95% CI 0.919-0.999, P= 0.047). (3) At 1 year echocardiography, size reduction of LA (P= 0.055) or LV (P= 0.372) and the improvement in ejection fraction (P= 0.529) were not significantly different between patients with PA-HSR and those without. (4) Throughout 27 ± 17 months of follow-up, patients with PA-HSR showed significantly lower clinical recurrence than those without (log rank, P= 0.020). CONCLUSION: Post-AF ablation high sinus HR was observed in patients with smaller LA size and higher LA electrogram voltage and significant vagal modulation without adverse cardiac effects. Post-AF ablation high sinus HR was associated with a significantly lower clinical recurrence of AF after catheter ablation.
Full Text
https://academic.oup.com/europace/article-lookup/doi/10.1093/europace/euw142
DOI
10.1093/europace/euw142
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Jong Youn(김종윤) ORCID logo https://orcid.org/0000-0001-7040-8771
Kim, Tae-Hoon(김태훈) ORCID logo https://orcid.org/0000-0003-4200-3456
Pak, Hui Nam(박희남) ORCID logo https://orcid.org/0000-0002-3256-3620
Uhm, Jae Sun(엄재선) ORCID logo https://orcid.org/0000-0002-1611-8172
Yu, Hee Tae(유희태) ORCID logo https://orcid.org/0000-0002-6835-4759
Lee, Moon Hyoung(이문형) ORCID logo https://orcid.org/0000-0002-7268-0741
Joung, Bo Young(정보영) ORCID logo https://orcid.org/0000-0001-9036-7225
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/153266
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