Key result
Brain natriuretic peptide (BNP) levels accurately diagnosed heart failure with an area under the ROC curve of 0.92, and isolated diastolic heart failure with an AUC of 0.89.
Why the study?
Does the measurement of brain natriuretic peptide (BNP) levels accurately diagnose heart failure with systolic or isolated diastolic ventricular dysfunction?
Observational (n=109)
Does the measurement of brain natriuretic peptide (BNP) levels accurately diagnose heart failure with systolic or isolated diastolic ventricular dysfunction?
Answers are grounded in this paper and cite their sources.
BNP measurement demonstrates excellent diagnostic accuracy for both general heart failure and isolated diastolic heart failure, supporting its use in clinical evaluation.
A diagnosis of heart failure (HF) can be difficult, especially in patients with mild symptomatology. The purpose of this study was to evaluate the significance of brain natriuretic peptide (BNP) in the diagnosis of HF with systolic or isolated diastolic ventricular dysfunction. One hundred patients and 9 controls were included in the study. Eighty-five patients were diagnosed with HF, based on clinical and echocardiographic findings. BNP levels were accurate for the diagnosis of HF, with an area under the receiver operating characteristic (ROC) curve (AUC) of 0.92. In addition, BNP levels showed an excellent accuracy for the diagnosis of isolated diastolic HF (AUC = 0.89). These data suggest that the measurement of BNP levels may be helpful in the diagnosis of HF and in selecting patients for further evaluation. Furthermore, BNP measurement can play an important role in the diagnosis of isolated diastolic HF.
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Bettencourt et al. (2000) conducted an observational in Heart failure (n=109). Brain natriuretic peptide (BNP) measurement vs. Clinical and echocardiographic findings was evaluated on Accuracy for the diagnosis of heart failure (AUC 0.92). Brain natriuretic peptide (BNP) levels accurately diagnosed heart failure with an area under the ROC curve of 0.92, and isolated diastolic heart failure with an AUC of 0.89.
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