LGALS3 and atrial fibrillation: The results of this study confirmed that (1) the levels of Gal-3 and ALD were significantly higher in patients with AF than those without AF; (2) preoperative high Gal-3 and ALD levels were independent predictors of short-term recurrence in AF patients after RFCA; (3) the combined predictive value of Gal-3 and ALD was higher than the single.