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Background <p>It aimed to explore the relationship between atrial fibrillation (AF) screening, risk factor analysis, and serum uric acid (UA) levels. By analyzing the results of AF screening and risk factors, the potential impact of serum UA levels on AF risk was further investigated.</p> Methods <p>The study population consisted of 979 patients who underwent physical examinations between January 2023 to October 2023, and were divided into two groups based on AF screening results: the AF screening group (<i>n</i> = 490) and the routine examination group (<i>n</i> = 489). The AF screening group underwent AF screening, risk factor analysis, and measurement of serum UA levels, while the routine examination group only received AF screening and routine health check-ups. Utilizing the Global Urate Genetics Consortium (GUGC) dataset, 28 single nucleotide polymorphisms (SNPs) associated with serum UA levels were identified and applied in a Mendelian randomization (MR) study to assess the causal relationship between serum UA levels and AF.</p> Results <p>Apart from gender, the general data of the experimental and control groups were similar. In patients aged 50–59 and over 70&#xa0;years, the detection rate of AF in males was significantly higher than that in females (<i>P</i> &lt; 0.05). After adjusting for age and gender, hyperlipidemia, stroke, hyperuricemia, and hyperthyroidism were identified as risk factors for AF. Multivariate logistic regression analysis showed a significant association between elevated serum UA levels and increased AF risk. Further analysis indicated a clear dose–response relationship between serum UA levels and AF risk (<i>P</i> &lt; 0.05), suggesting a potential causal effect of serum UA levels on AF risk.</p> Conclusion <p>This article demonstrated a significant dose–response relationship between elevated serum UA levels and AF risk, further supporting serum UA as an independent risk factor for AF. Moreover, through MR analysis, the potential causal relationship between serum UA levels and AF was validated, providing a new perspective and basis for AF screening and early diagnosis.</p>

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A two-sample Mendelian randomization study of atrial fibrillation screening, risk factor analysis, and serum uric acid levels

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年7月5日

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  • Zhenhua Shi,
  • Wuming Hu,
  • Kexing Ye,
  • Ranran Xia

摘要

Background

It aimed to explore the relationship between atrial fibrillation (AF) screening, risk factor analysis, and serum uric acid (UA) levels. By analyzing the results of AF screening and risk factors, the potential impact of serum UA levels on AF risk was further investigated.

Methods

The study population consisted of 979 patients who underwent physical examinations between January 2023 to October 2023, and were divided into two groups based on AF screening results: the AF screening group (n = 490) and the routine examination group (n = 489). The AF screening group underwent AF screening, risk factor analysis, and measurement of serum UA levels, while the routine examination group only received AF screening and routine health check-ups. Utilizing the Global Urate Genetics Consortium (GUGC) dataset, 28 single nucleotide polymorphisms (SNPs) associated with serum UA levels were identified and applied in a Mendelian randomization (MR) study to assess the causal relationship between serum UA levels and AF.

Results

Apart from gender, the general data of the experimental and control groups were similar. In patients aged 50–59 and over 70 years, the detection rate of AF in males was significantly higher than that in females (P < 0.05). After adjusting for age and gender, hyperlipidemia, stroke, hyperuricemia, and hyperthyroidism were identified as risk factors for AF. Multivariate logistic regression analysis showed a significant association between elevated serum UA levels and increased AF risk. Further analysis indicated a clear dose–response relationship between serum UA levels and AF risk (P < 0.05), suggesting a potential causal effect of serum UA levels on AF risk.

Conclusion

This article demonstrated a significant dose–response relationship between elevated serum UA levels and AF risk, further supporting serum UA as an independent risk factor for AF. Moreover, through MR analysis, the potential causal relationship between serum UA levels and AF was validated, providing a new perspective and basis for AF screening and early diagnosis.