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J Clin Med. 2020 Sep 30;9(10). doi: 10.3390/jcm9103164.

Atrial Substrate Underlies the Recurrence after Catheter Ablation in Patients with Atrial Fibrillation.

Journal of clinical medicine

Yong-Soo Baek, Jong-Il Choi, Yun Gi Kim, Kwang-No Lee, Seung-Young Roh, Jinhee Ahn, Dong-Hyeok Kim, Dae In Lee, Sung Ho Hwang, Jaemin Shim, Jin Seok Kim, Dae-Hyeok Kim, Sang-Weon Park, Young-Hoon Kim

Affiliations

  1. Division of Cardiology, Department of Internal Medicine, Inha University College of Medicine and Inha University Hospital, Incheon 22212, Korea.
  2. Division of Cardiology, Department of Internal Medicine, Korea University College of Medicine and Korea University Medical Center, Seoul 02841, Korea.
  3. Department of Radiology, Korea University Anam Hospital, Seoul 02841, Korea.

PMID: 33007810 PMCID: PMC7601892 DOI: 10.3390/jcm9103164

Abstract

Prediction of recurrences after catheter ablation of atrial fibrillation (AF) remains challenging. We sought to investigate the long-term outcomes after AF catheter ablation. A total of 2221 consecutive patients who underwent catheter ablation for symptomatic AF were included in this study (mean age 55 ± 11 years, 20.3% women, and 59.0% paroxysmal AF). Extensive ablation, in addition to circumferential pulmonary vein isolation, was more often accomplished in patients with non-paroxysmal AF than in those with paroxysmal AF (87.4% vs. 25.3%,

Keywords: atrial fibrillation; catheter ablation; magnetic resonance imaging; substrate

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