1. Association between NT-proBNP and new-onset atrial fibrillation in patients with ischemic heart failure
- Author
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LUO Xiaoying, ZHANG Andi, XU Yan, WU Liqun, QI Wenhang
- Subjects
n-terminal pro-brain natriuretic peptide ,heart failure with low ejection fraction ,ischemic cardiomyopathy ,new-onset atrial fibrillation ,Medicine - Abstract
Objective To investigate the association between N-terminal pro-brain natriuretic peptide (NT-proBNP) levels and the incidence of new-onset atrial fibrillation (AF) in patients with ischemic heart failure. Methods This study involved 120 patients with ischemic heart failure, characterized by sinus rhythm and a reduced ejection fraction (EF < 40%). NT-proBNP levels were measured at baseline, 6 months, and 12 months. At the 12-month follow-up, patients underwent 12-lead electrocardiography (EKG) or Holter monitoring to identify new-onset AF. Patients were classified into an AF group (n=44) and a non-AF group (n=76). Clinical characteristics and echocardiographic data were reviewed. Receiver operating characteristic (ROC) curves were employed to ascertain the optimal NT-proBNP threshold for predicting new-onset AF, and logistic regression analysis was used to evaluate the prognostic impact of NT-proBNP levels. Results New-onset AF was detected in 36.7% of the cohort. Significant elevations in functional capacity (NYHA class), NT-proBNP levels, E/A ratio, E/E' ratio, pulmonary artery systolic pressure (PASP), pulmonary capillary wedge pressure (PCWP), left atrial volume (LAV), and left atrial volume index (LAVI) were observed in the AF group compared to the non-AF group (P
- Published
- 2024
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