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Published on: February 26, 2013
Hyperuricemia and Gout are Associated with the Risk of Atrial Fibrillation: An Updated Meta-Analysis
Yingjian Deng1, Qiang Li1, Faguang Zhou1
1Department of Cardiology, Xiamen Cardiovascular Hospital of Xiamen University, School of Medicine, Xiamen University, 361000 Xiamen, Fujian, China.
Insights
High uric acid levels and gout are linked to a greater risk of developing atrial fibrillation (AF). This meta-analysis confirms the association, highlighting the need for further research into this cardiovascular connection.
Area of Science:
- Cardiology
- Epidemiology
- Metabolic Disorders
Background:
- Hyperuricemia and gout have been suspected as predictors of atrial fibrillation (AF).
- However, robust epidemiological evidence supporting this association remains limited.
Purpose of the Study:
- To conduct an updated systematic review and meta-analysis.
- To rigorously assess the association between hyperuricemia/gout and atrial fibrillation.
Main Methods:
- A systematic literature search was conducted across EMBASE, PubMed, and Web of Science up to September 2021.
- Meta-analysis employed random-effects models to determine relative risk (RR) and 95% confidence intervals (CI).
- Subgroup analyses explored variations by geographic location and study design.
Main Results:
- Twelve studies were included, with 8 indicating hyperuricemia is associated with increased AF incidence (RR: 1.83).
- Significant associations were noted in Chinese studies (RR: 1.88) and cross-sectional designs (RR: 2.35).
- Gout was also linked to an increased AF risk (RR: 1.33).
Conclusions:
- Hyperuricemia and gout are associated with a higher incidence of atrial fibrillation.
- These findings underscore the potential cardiovascular implications of elevated uric acid and gout.
Background:
Although it has been suggested that hyperuricemia and gout are predictive of the future risk of atrial fibrillation, there is still a lack of epidemiological evidence.
Objective:
Through an updated systematic review and meta-analysis, we aimed to assess the association between hyperuricemia/gout and atrial fibrillation.
Methods:
We performed a systematic search of EMBASE, PubMed, and Web of Science from their establishment to September 2021 for all relevant studies of hyperuricemia or gout and atrial fibrillation. Meta-analysis was conducted using the random-effects method to calculate the overall relative risk (RR) and 95% confidence intervals (CI), and subgroup analyses were performed on data subsets by geographic location and study design.
Result:
A total of 12 studies were included in this study. The results from 8 studies showed that hyperuricemia was associated with an increased incidence of atrial fibrillation (RR: 1.83, 95% CI: 1.35-2.47), but significant association was only observed in studies in China (RR: 1.88, 95% CI: 1.31-2.71) and cross-sectional studies (RR: 2.35, 95% CI: 1.97-2.81) rather than studies in Japan (RR: 1.74, 95% CI: 0.71-4.23) and cohort studies (RR: 1.20, 95% CI: 0.99-1.46). The results from 4 studies showed that gout was also associated with an increased risk of AF (RR: 1.33, 95% CI: 1.04-1.71).
Conclusions:
Hyperuricemia and gout are associated with an increased incidence of atrial fibrillation.
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