Journal
BMC CARDIOVASCULAR DISORDERS
Volume 21, Issue 1, Pages -Publisher
BMC
DOI: 10.1186/s12872-021-02043-0
Keywords
Atrial fibrillation; Biomarker; Progression; Galectin-3
Categories
Funding
- National Natural Science Foundation of China [81700295]
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This study found that elevated plasma Gal-3 concentration is significantly associated with AF progression from PAF to PsAF, indicating its potential use for risk stratification and management guidance in PAF patients.
Background Galectin-3 (Gal-3) is currently recognized as a promising biomarker for myocardial fibrosis. This study aimed to explore the potential association between plasma Gal-3 concentrations and atrial fibrillation (AF) progression in paroxysmal AF (PAF) patients Methods A total of 213 PAF patients were included for analysis in this study. All peripheral blood samples were prospectively collected and stored at -80celcius for subsequent Gal-3 quantification. The AF progression was defined as transformation from PAF to persistent AF (PsAF). Results A total of 51 PAF patients progressed to PsAF during a mean follow-up period of 674.44 +/- 19.48 days. Patients with AF progression had significantly higher baseline plasma Gal-3 concentrations than those stayed in PAF status (13.52 +/- 0.94 vs. 7.93 +/- 0.37, p < 0.001). All PAF patients were divided into two subgroups based on the median value of plasma Gal-3 concentrations. Kaplan-Meier curve analysis showed a significantly higher AF progression rate in the higher plasma Gal-3 concentration group (log-rank test p < 0.001). In the Cox regression analysis, plasma Gal-3 concentration and left atrial diameter (LAD) were showed significantly associated with AF progression, even after adjustment of other potential confounding risk factors. Discrimination for AF progression with a simple model which consists of plasma Gal-3 concentration and LAD was modest with a C-statistic 0.72 (95%CI 0.64-0.80). Plasma Gal-3 concentration significantly improved the predictability by appropriately reclassifying several patients with progression (NRI = 28.3%, p = 0.003). Conclusion Elevated plasma Gal-3 concentration is significantly associated with AF progression from PAF to PsAF. Plasma Gal-3 concentration could be used for PAF progression risk stratification and guiding management for PAF patients.
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