NT-proB natriuretic peptide, risk factors and asymptomatic left ventricular dysfunction: results of the SCReening Evaluation of the Evolution of New Heart Failure Study (SCREEN-HF)

Michele McGrady, Christopher Michael Reid, Louise Mary Shiel, Rory St John Wolfe, Umberto Boffa, Danny Liew, Duncan J Campbell, David Prior, Simon Stewart, Henry Krum

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We assessed left ventricular dysfunction in a population at high risk for heart failure (HF), and explored associations between ventricular function, HF risk factors and NT-proB natriuretic peptide (NT-proBNP). Methods and results 3550 subjects at high risk for incident HF (= 60 years plus = 1 HF risk factor), but without pre-existing HF or left ventricular dysfunction, were recruited. Anthropomorphic data, medical history and blood for NT-proBNP were collected. Participants at highest risk (n = 664) (NT-proBNP highest quintile; > 30.0 pmol/L) and a sample (n = 51) from the lowest NT-proBNP quintile underwent echocardiography. Participants in the highest NT-proBNP quintile, compared to the lowest, were older (74 years vs. 67 years; p <0.001) and more likely to have coronary artery disease, stroke or renal impairment. In the top NT-proBNP quintile (n = 664), left ventricular systolic impairment was observed in 6.6 (95 CI: 4 to 8 ) of participants and was associated with male gender, coronary artery disease, hypertension and NT-proBNP. At least moderate diastolic dysfunction was observed in 24 (95 CI 20 to 27 ) of participants and was associated with diabetes and NT-proBNP. In this high risk population, NT-proBNP was associated with left ventricular systolic impairment (p <0.001) and moderate to severe diastolic dysfunction (p <0.001) after adjustment for age, gender, coronary artery disease, diabetes, hypertension and obesity. Conclusion A high burden of ventricular dysfunction was observed in this high risk group. Combining NT-proBNP and HF risk factors may identify those with ventricular dysfunction. This would allow resources to be focused on those at greatest risk of progression to overt HF.
Original languageEnglish
Pages (from-to)133 - 138
Number of pages6
JournalInternational Journal of Cardiology
Issue number2
Publication statusPublished - 2013

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