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

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

PLOS ONE, 2015, vol. 10, issue 12, 1-13

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

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0143853

DOI: 10.1371/journal.pone.0143853

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