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Circ J. 2018 Mar 23;82(4):1017-1025. doi: 10.1253/circj.CJ-17-1124. Epub 2018 Jan 30.

Ability of B-Type Natriuretic Peptide Testing to Predict Cardioembolic Stroke in the General Population - Comparisons With C-Reactive Protein and Urinary Albumin.

Author information

1
Department of Internal Medicine, Iwate Medical University.
2
Department of Neurosurgery, Iwate Medical University.
3
Department of Hygiene and Preventive Medicine, Iwate Medical University.
4
Iwate Health Service Association.
5
The Research Institute of Strategy for Prevention.

Abstract

BACKGROUND:

The ability of cardiovascular biomarkers to predict the incidence of stroke subtypes remains ill-defined in the general population.Methods and Results:The blood levels of B-type natriuretic peptide (BNP) and high-sensitivity C-reactive protein (hs-CRP) and urinary albumin corrected by urinary creatinine (UACR) were determined in a general population (n=13,575). The ability to predict the incidence of ischemic stroke subtypes (lacunar, atherothrombotic, cardioembolic) for each biomarker was assessed based on the area under the receiver-operating characteristic curve (AUC-ROC) and using Cox proportional hazard modeling. The predictive abilities of UACR and hs-CRP for any subtype of ischemic event were found to be suboptimal. However, the ability of BNP to predict the incidence of cardioembolic stroke was excellent (AUC-ROC=0.81). When BNP was added to established stroke risk factors, the ability to predict cardioembolic stroke in terms of the AUC-ROC significantly improved (4-year follow-up, P=0.018; 8-year follow-up, P=0.009). Furthermore, when BNP was added to the JPHC score, the ability to predict cardioembolic stroke was significantly improved (net reclassification improvement=0.968, P<0.0001: integrated discrimination improvement=0.039, P<0.05).

CONCLUSIONS:

In the general population, plasma BNP was an excellent biomarker for predicting the incidence of cardioembolic stroke when used alone or in combination with established stroke risk factors.

KEYWORDS:

Albuminuria; C-reactive protein; Ischemic stroke; Natriuretic peptide; Screening

PMID:
29386475
DOI:
10.1253/circj.CJ-17-1124
[Indexed for MEDLINE]
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