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Predictors of sick sinus syndrome in patients after successful radiofrequency catheter ablation of atrial flutter

Other Titles
 심방조동 환자에서 고주파 전극도자 절제술 후 동반 되는 동기능부전 증후군의 위험인자에 대한 고찰 
Authors
 송창호 
Issue Date
2017
Abstract
The identification of sick sinus syndrome (SSS) in patients with atrial flutter (AFL) is difficult before the termination of AFL. This study investigated the patient characteristics that predicted high risk of SSS after AFL ablation. Out of 339 consecutive patients who had undergone radiofrequency ablation for AFL from 1991 to 2012, 27 (8%) had SSS (SSS group). We compared the clinical characteristics of patients with and without SSS (n = 312, no-SSS group). The SSS group was more likely to have lower body mass index (22.5 ± 3.2 vs. 24.0 ± 3.0 kg/m2, p=0.02), history of atrial septal defect (ASD, 19% vs. 6%, p=0.01), history of coronary artery bypass graft (CABG, 11% vs. 2%, p=0.002), and a longer flutter cycle length (CL) (262.3 ± 39.2 vs. 243.0 ± 40, p=0.02) than the no-SSS group. In multivariate analysis, history of ASD (OR 3.7, 95% CI 1.2-11.4, p=0.02) and CABG (7.1, 95% CI 1.5-32.8, p=0.01) as well as longer flutter CL (1.1, 95% CI 1.0-1.2, p=0.04) were independent risk factors for SSS. Patients with irreversible SSS (n=13) had heart failure more frequently than those with reversible SSS (31% vs. 0%, p=0.03). A history of ASD and CABG as well as longer flutter CL increased the risk of SSS after AFL ablation. While half of the patients with SSS after AFL ablation experienced transient SSS, heart failure was associated with irreversible SSS.
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Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 5. Others
Yonsei Authors
Song, Chang Ho(송창호)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/175098
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