Key result
Higher serum adropin is linked to ~78% lower odds of atrial fibrillation.
Why the study?
Inflammation is involved in atrial fibrillation mechanisms and atrial remodeling correlates with AF persistence and progression, but the relationship with serum adropin is unclear.
Is serum adropin concentration associated with the presence of atrial fibrillation and atrial remodeling?
Case-Control (n=554)
Is serum adropin concentration associated with the presence of atrial fibrillation and atrial remodeling?
Odds Ratio: 0.218 (95% CI 0.15–0.316)
p-value: p=< 0.001
Lower serum adropin concentrations are associated with the presence and persistence of atrial fibrillation as well as increased left atrial diameter, suggesting a potential role in atrial remodeling.
Adropin levels were associated with AF presence and LA size; hypothesis-generating for biomarker role, needs prospective validation before any clinical use.
OBJECTIVE: Adropin, a newly identified regulatory protein encoded by Enho gene, suppressed tumor necrosis factor α-induced THP1 monocyte adhesion to human umbilical vein endothelial cells. In addition, inflammation is demonstrated to be involved in the mechanism of atrial fibrillation (AF). Atrial remodeling is correlated with the persistence and progression of AF. Adropin is hypothesized to correlated with AF and atrial remodeling. This study aims to determine the correlation of serum adropin and the presence of AF and remodeling. METHODS: This study consisted of 344 AF patients and 210 healthy controls. AF patients were then divided into three subgroups of paroxysmal AF, persistent AF, and permanent AF. Serum adropin concentrations were examined using enzyme-linked immunosorbent assay method. Left atrial diameter (LAD) was measured to evaluate atrial remodeling. RESULTS: Decreased serum adropin concentrations were found in AF patients compared with healthy controls. Logistic regression analysis confirmed that serum adropin was inversely associated with the presence of AF (OR 0.218, 95% CI 0.15-0.316; P < 0.001). Permanent AF patients had significantly reduced serum adropin concentrations compared with persistent and paroxysmal AF patients. There were decreased serum adropin concentrations in persistent AF group than those in paroxysmal AF group. Simple linear regression analyses showed that serum adropin in AF patients were negatively correlated with BMI, SBP, and LAD. Multiple stepwise regression analysis showed that LAD remained to be inversely associated with serum adropin (β = 0.2, P = 0.010). CONCLUSION: Serum adropin concentrations are inversely correlated with the presence of AF and atrial remodeling.
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Wang et al. (2018) conducted a case-control in Atrial fibrillation (n=554). Serum adropin vs. Healthy controls was evaluated on Presence of atrial fibrillation (OR 0.218, 95% CI 0.15-0.316, p=< 0.001). Serum adropin concentrations were inversely associated with the presence of atrial fibrillation (OR 0.218; 95% CI 0.15-0.316; P<0.001) and negatively correlated with left atrial diameter.
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