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Clinics

Print version ISSN 1807-5932

Abstract

RIBEIRO, Demóstenes G.L. et al. Clinical correlation between N-terminal pro-b-type natriuretic peptide and angiographic coronary atherosclerosis. Clinics [online]. 2014, vol.69, n.6, pp.405-412. ISSN 1807-5932.  http://dx.doi.org/10.6061/clinics/2014(06)07.

OBJECTIVES:

This study aimed to investigate the clinical correlation between angiographic coronary atherosclerosis and N-terminal pro-B-type natriuretic peptide along with other known correlated factors.

METHODS:

In total, 153 patients with a diagnostic hypothesis of stable angina, unstable angina or acute myocardial infarction were classified as group A (patients with angiographically normal coronary arteries) or group B (patients with angiographic coronary atherosclerosis). The two groups were analyzed with respect to the following factors: gender, age, body mass index, abdominal circumference, smoking, diabetes mellitus, arterial hypertension, early family history of atherosclerosis, statin use, the presence of metabolic syndrome, clinical presentation and biochemical factors, including cholesterol, creatinine and fibrinogen plasma concentrations, monocyte counts and N-terminal pro-B-type natriuretic peptide.

RESULTS:

Univariate analyses comparing the two groups revealed that group B patients more frequently had diabetes, used statins and had systolic dysfunction, N-terminal pro-B-type natriuretic peptide levels ≥250 pg/mL, fibrinogen levels >500 mg/dL and ≥501 monocytes/mm3 compared with group A patients (p<0.05). Nevertheless, multivariate logistic regression analysis demonstrated that the independent predictors of angiographic coronary atherosclerosis were an N-terminal pro-B-type natriuretic peptide level ≥250 pg/mL, diabetes mellitus and increased monocyte numbers and fibrinogen plasma concentration, regardless of the creatinine level or the presence of systolic dysfunction.

CONCLUSIONS:

An N-terminal pro-B-type natriuretic peptide plasma concentration of ≥250 pg/mL is an independent predictor of angiographic coronary atherosclerosis.

Keywords : Atherosclerosis; Coronary Angiography; NT-proBNP.

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