NPPB and atrial fibrillation: On univariate logistic regression analysis, predictors of PDL were maximum diameter of LAA orifice, preoperative LAAV and device size, while age, sex, BMI, presence of hypertension/diabetes, AF pattern, NT‐ProBNP, troponin, fibrinogen, d‐dimer, LVEF, or LAV were not (Table 6).