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N-terminal pro-B-type natriuretic peptide (NT-proBNP) is the most frequently used biomarker in heart failure (HF), but its prognostic utility across ethnicities is unclear.
Methods and results
This study included 546 Caucasians with HF from the Coordinating Study Evaluating Outcomes of Advising and Counseling in Heart Failure and 578 Asians with HF from the Singapore Heart Failure Outcomes and Phenotypes study. NT-proBNP was measured at discharge after HF hospitalization. The studied outcome was a composite of all-cause mortality and HF hospitalization at 18 months. Compared with Caucasian patients, Asian patients were younger (63 ± 12 vs. 71 ± 11 years); less often female (26% vs. 39%); and had lower body mass index (26 vs. 27 kg/m2), better renal function (61 ± 37 vs. 54 ± 20 mL/min/1.73 m2), lower rates of atrial fibrillation (25% vs. 46%), strikingly higher rates of diabetes (59% vs. 30%), and higher rates of hypertension (76% vs. 44%). Despite these clear inter-group differences in individual drivers of NT-proBNP, average levels were similar in Asians [2709 (1350, 6302) pg/mL] and Caucasians [2545 (1308, 5484) pg/mL] (P = 0.514). NT-proBNP was strongly associated with outcome [hazard ratio 1.28 (per doubling), 95% confidence interval 1.18–1.39, P < 0.001], regardless of ethnicity (Pinteraction = 0.719). NT-proBNP was similarly associated with outcome in HF with reduced and preserved ejection fraction in Asian (Pinteraction = 0.776) and Caucasian patients (Pinteraction = 0.558).
NT-proBNP has similar prognostic performance in Asians and Caucasians with HF despite ethnic differences in known clinical determinants of plasma NT-proBNP.


Mary MacKillop Institute for Health Research

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Journal Article

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