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Published on: February 26, 2013
Relationship Between Serum Albumin and Risk of Atrial Fibrillation: A Dose-Response Meta-Analysis
Yali Wang1, Peng Du2, Qi Xiao2
1Department of Pathology, The Affiliated Stomatological Hospital of Nanchang University, Nanchang, China.
Insights
Low serum albumin levels are linked to a higher risk of atrial fibrillation. Increasing albumin may reduce this risk, suggesting a potential preventative role.
Area of Science:
- Cardiology
- Biochemistry
- Epidemiology
Background:
- The relationship between serum albumin and atrial fibrillation (AF) risk is not fully understood.
- This study investigates the association and dose-response effect of serum albumin on AF.
- Existing research lacks comprehensive analysis of this specific link.
Approach:
- A meta-analysis of nine studies involving 32,130 participants was conducted.
- Literature searches were performed using EMBASE, PubMed, and Cochrane Library databases.
- Dose-response analysis utilized robust error meta-regression to evaluate the albumin-AF relationship.
Key Points:
- Higher serum albumin levels were associated with a reduced risk of atrial fibrillation (OR: 0.62).
- Each 10 g/L increase in serum albumin correlated with a 36% decrease in AF risk.
- A significant negative linear relationship was observed between serum albumin and AF risk.
Conclusions:
- Low serum albumin is associated with an increased risk of atrial fibrillation.
- This meta-analysis highlights a dose-response relationship between albumin levels and AF.
- Further research is warranted to explore therapeutic interventions targeting albumin levels for AF prevention.
Abstract:
Background: The dose-response association between serum albumin and atrial fibrillation is not well known. This study aims to assess the relationship between albumin and atrial fibrillation and the potential dose-response effect. Methods: Studies reported that the serum albumin and AF were identified by searching the EMBASE, PubMed, and Cochrane Library databases. The potential dose-response effect was performed by using a stage robust error meta-regression. Results: Nine studies were included with a total of 32,130 individuals. Patients with high albumin level were associated with a decreased risk of atrial fibrillation compared with patients with low serum albumin (OR[odds ratio]: 0.62, 95% CI [0.44, 0.89]; I 2 = 76%; P = 0.009). In the dose-response analysis, for each 10 g/L increase in serum albumin level, the risk of atrial fibrillation decreased by 36% (95% CI: 0.51-0.81, I 2 = 87%, P < 0.001). Furthermore, a significant negative linear relationship between serum albumin and the risk of atrial fibrillation (P nonlinearity = 0.33) was found. Conclusion: Our dose-response meta-analysis suggests that low serum albumin level is associated with an increased risk of atrial fibrillation. Further studies are needed to explore the effect of induction of elevated serum albumin levels on the prevention of atrial fibrillation.
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