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Association of high estimated glomerular filtration rate with risk of atrial fibrillation: a nationwide cohort study

Title
Association of high estimated glomerular filtration rate with risk of atrial fibrillation: a nationwide cohort study
Authors
Kang, Min KyoungHa, Hee-JungJung, RaonOh, YunseoKim, Dong-HyeokSong, Tae-Jin
Ewha Authors
송태진김동혁강민경
SCOPUS Author ID
송태진scopus; 김동혁scopusscopus; 강민경scopus
Issue Date
2023
Journal Title
FRONTIERS IN MEDICINE
ISSN
2296-858XJCR Link
Citation
FRONTIERS IN MEDICINE vol. 10
Keywords
atrial fibrillationhigh estimated glomerular filtration ratepopulation studyrenal functionglomerular hyperfiltration
Publisher
FRONTIERS MEDIA SA
Indexed
SCIE; SCOPUS WOS
Document Type
Article
Abstract
Aim: While the relationship between impaired kidney function and atrial fibrillation (AF) is well established, there is limited research exploring the association between elevated estimated glomerular filtration rate (eGFR) and AF development. This study aimed to examine the association between higher-than-normal eGFR and AF risk using a nationwide longitudinal study of the general population in Korea.Materials and methods: This study utilized the National Health Insurance Service cohort database of Korea, analyzing data from 2,645,042 participants aged 20-79 years who underwent health examinations between 2010 and 2011. Participants with a history of end-stage renal disease, renal transplantation, and AF prior to the index date were excluded. Renal function was assessed using eGFR levels, calculated with the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equation. Baseline characteristics were gathered through questionnaires, while comorbidities and AF occurrence outcomes were identified and validated using diagnostic codes and medication histories. The study employed Kaplan-Meier survival curves and Cox proportional hazard models to evaluate the association between eGFR and AF occurrence.Results: The mean age of subjects was 48.82 & PLUSMN; 10.08 years. Over a median follow-up of 9.58 years, 27,469 (1.04%) AF cases were identified. The risk for AF increased in the higher-than-normal decile, as demonstrated by Kaplan-Meier survival curves (p < 0.001). The eGFR <30 mL/min/1.73 m2 group was associated with an increased risk of AF [hazard ratio (HR): 1.22, 95% confidence interval (CI) (1.01, 1.46), p = 0.039], while the eGFR >120 mL/min/1.73 m2 group was associated with a decreased risk of AF [HR: 0.88, 95% CI (0.78, 0.98), p = 0.045]. Compared to the 5th decile, the 1st [HR: 1.08, 95% CI (1.03, 1.13), p = 0.010] eGFR decile was significantly associated with an increased risk of AF, while the 10th [HR: 0.77, 95% CI (0.70, 0.85), p < 0.001] eGFR decile was significantly associated with a reduced risk of AF.Conclusion: The study revealed that individuals with eGFR>120 mL/min/1.73 m2 or those falling within eGFR 10th decile (>113.41 mL/min/1.73 m2) demonstrated an inverse association linked to a reduced risk of AF. Our study suggests that general population with higher-than-normal eGFR levels may have a lower risk of developing AF.
DOI
10.3389/fmed.2023.1207778
Appears in Collections:
의과대학 > 의학과 > Journal papers
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