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N-Terminal pro B-type natriuretic peptide (NT-proBNP) is widely used as a marker of ventricular dysfunction. However, data regarding the association of NT-proBNP with blood pressure (BP) and pulse pressure (PP) in the elderly population are limited.Methods and Results:The present cross-sectional study involved 6,529 participants, aged ≥70 years, without cardiovascular disease (CVD), who underwent general health examinations. Serum NT-proBNP concentrations were determined, with high NT-proBNP concentrations defined as those ≥125 pg/mL. Subjects were divided into five groups based on PP (&lt;50, ≥50 to &lt;60, ≥60 to &lt;70, ≥70 to &lt;80, and ≥80 mmHg). NT-proBNP was positively associated with systolic BP, whereas a U-shaped association was found between diastolic BP and NT-proBNP. The odds ratios for high NT-proBNP concentrations in the PP ≥80 and ≥70 to &lt;80 mmHg groups (OR 1.83 [P&lt;0.001] and 1.40 [P&lt;0.005], respectively) were significantly higher than in the PP &lt;50 mmHg group. All data were adjusted for age, sex, body mass index, hemoglobin concentration, serum creatinine, pulse rate, smoking, alcohol intake, and antihypertensive medication intake, and the presence of diabetes and dyslipidemia.

circulation journal

Association of N-Terminal Pro B-Type Natriuretic Peptide With Blood Pressure and Pulse Pressure in Elderly People ― A Cross-Sectional Population Study ―