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Low Left Atrial Compliance Contributes to the Clinical Recurrence of Atrial Fibrillation after Catheter Ablation in Patients with Structurally and Functionally Normal Heart

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  • Junbeom Park
  • Pil-sung Yang
  • Tae-Hoon Kim
  • Jae-Sun Uhm
  • Joung-Youn Kim
  • Boyoung Joung
  • Moon-Hyoung Lee
  • Chun Hwang
  • Hui-Nam Pak

Abstract

Stiff left atrial (LA) syndrome was initially reported in post-cardiac surgery patients and known to be associated with low LA compliance. We investigated the physiological and clinical implications of LA compliance by estimating LA pulse pressure (LApp) among patients with atrial fibrillation (AF) and structurally and functionally normal heart. Among 1038 consecutive patients with LA pressure measurements before AF ablation, we included 334 patients with structurally and functionally normal heart (81.7% male, 54.1±10.6 years, 77.0% paroxysmal AF) after excluding those with hypertension, diabetes, and previous ablation or cardiac surgery. We measured LApp (peak-nadir LA pressure) at the beginning of the ablation procedure and compared the values with clinical parameters and the AF recurrence rate.AF patients with normal heart were younger and more frequently male and had paroxysmal AF, a lower body mass index, and a lower LApp compared to others (all p

Suggested Citation

  • Junbeom Park & Pil-sung Yang & Tae-Hoon Kim & Jae-Sun Uhm & Joung-Youn Kim & Boyoung Joung & Moon-Hyoung Lee & Chun Hwang & Hui-Nam Pak, 2015. "Low Left Atrial Compliance Contributes to the Clinical Recurrence of Atrial Fibrillation after Catheter Ablation in Patients with Structurally and Functionally Normal Heart," PLOS ONE, Public Library of Science, vol. 10(12), pages 1-13, December.
    • Handle: RePEc:plo:pone00:0143853
    DOI: 10.1371/journal.pone.0143853
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