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Long-Term Renal Function after Catheter Ablation of Atrial Fibrillation.


ABSTRACT: Background: Atrial fibrillation (AF) is associated with the development and progression of chronic kidney disease (CKD). This study evaluated the impact of long-term rhythm outcome after catheter ablation (CA) of AF on renal function. Methods and results: The study group included 169 consecutive patients (the mean age was 59.6 ± 10.1 years, 61.5% were males) who underwent their first CA of AF. Renal function was assessed by eGFR (using the CKD-EPI and MDRD formulas), and by creatinine clearance (using the Cockcroft-Gault formula) in each patient before and 5 years after index CA procedure. During the 5-year follow-up after CA, the late recurrence of atrial arrhythmia (LRAA) was documented in 62 patients (36.7%). The mean eGFR, regardless of which formula was used, significantly decreased at 5 years following CA in patients with LRAA (all p < 0.05). In the arrhythmia-free patients, the mean eGFR at 5 years post-CA remained stable (for the CKD-EPI formula: 78.7 ± 17.3 vs. 79.4 ± 17.4, p = 0.555) or even significantly improved (for the MDRD formula: 74.1 ± 17.0 vs. 77.4 ± 19.6, p = 0.029) compared with the baseline. In the multivariable analysis, the independent risk factors for rapid CKD progression (decline in eGFR > 5 mL/min/1.73 m2 per year) were the post-ablation LRAA occurrence (hazard ratio 3.36 [95% CI: 1.25-9.06], p = 0.016), female sex (3.05 [1.13-8.20], p = 0.027), vitamin K antagonists (3.32 [1.28-8.58], p = 0.013), or mineralocorticoid receptor antagonists' use (3.28 [1.13-9.54], p = 0.029) after CA. Conclusions: LRAA after CA is associated with a significant decrease in eGFR, and it is an independent risk factor for rapid CKD progression. Conversely, eGFR in arrhythmia-free patients after CA remained stable or even improved significantly.

SUBMITTER: Kovacevic V 

PROVIDER: S-EPMC10142031 | biostudies-literature | 2023 Mar

REPOSITORIES: biostudies-literature

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Long-Term Renal Function after Catheter Ablation of Atrial Fibrillation.

Kovačević Vladan V   Marinković Milan M MM   Kocijančić Aleksandar A   Isailović Nikola N   Simić Jelena J   Mihajlović Miroslav M   Vučićević Vera V   Potpara Tatjana S TS   Mujović Nebojša M NM  

Journal of cardiovascular development and disease 20230331 4


<b>Background:</b> Atrial fibrillation (AF) is associated with the development and progression of chronic kidney disease (CKD). This study evaluated the impact of long-term rhythm outcome after catheter ablation (CA) of AF on renal function. <b>Methods and results:</b> The study group included 169 consecutive patients (the mean age was 59.6 ± 10.1 years, 61.5% were males) who underwent their first CA of AF. Renal function was assessed by eGFR (using the CKD-EPI and MDRD formulas), and by creatin  ...[more]

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