The Impact of Gastroesophageal Reflux Disease and Proton Pump Inhibitor Use on the Risk of Repeat Catheter Ablation for Atrial Fibrillation

Author:

Cai Jennifer X.123,Algara Miguel23,Lo Wai-Kit123,Kapur Sunil234,Chan Walter W.123ORCID

Affiliation:

1. Division of Gastroenterology, Hepatology and Endoscopy, Brigham and Women's Hospital, Boston, Massachusetts, USA;

2. Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts, USA;

3. Harvard Medical School, Boston, Massachusetts, USA;

4. Division of Cardiovascular Medicine, Brigham and Women's Hospital, Boston, Massachusetts, USA.

Abstract

INTRODUCTION: Gastroesophageal reflux disease (GERD) has been associated with increased incidence/recurrence of atrial fibrillation (AF). However, the impact of GERD and proton pump inhibitor (PPI) therapy on outcomes of AF catheter ablation remains unclear. We aimed to assess the association between the presence of GERD and risk of repeat AF ablation, stratified by PPI therapy. METHODS: A retrospective cohort study was conducted on patients with paroxysmal/persistent AF undergoing initial ablation in January 2011–September 2015. GERD was defined by endoscopic findings, objective reflux testing, or clinical symptoms. The association between GERD/PPI use and time to repeat ablation was evaluated by time-to-event analysis with censoring at the last clinic follow-up within 1 year. RESULTS: Three hundred eighty-one subjects were included. Patients with GERD (n = 80) had a higher 1-year repeat ablation rate compared with those with no GERD (25% vs 11.3%, P = 0.0034). Stratifying by PPI use, patients with untreated GERD (37.5%) more likely needed repeat ablation compared with reflux-free (11.3%, P = 0.0003) and treated GERD (16.7%, P = 0.035) subjects. On multivariable Cox regression analyses, GERD was an independent risk factor of repeat ablation (hazard ratio [HR] 3.30, confidence interval [CI] 1.79–6.08, P = 0.0001). Specifically, untreated GERD was associated with earlier repeat ablation compared with no GERD (HR 4.02, CI 1.62–12.05, P = 0.0013). However, no significant difference in repeat ablation risk was noted between reflux-free and PPI-treated GERD groups. DISCUSSION: GERD was an independent predictor for risk of repeat AF ablation within 1 year, even after controlling for major cardiovascular comorbidities and confounders. PPI therapy modulated this risk, as repeat ablation-free survival for PPI-treated GERD was noninferior to reflux-free patients.

Publisher

Ovid Technologies (Wolters Kluwer Health)

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