N-terminal pro-brain natriuretic peptide testing in the emergency department: beneficial effects on hospitalization, costs, and outcome.

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N-terminal pro-brain natriuretic peptide testing in the emergency department: beneficial effects on hospitalization, costs, and outcome.

Am Heart J. 2008 Jul;156(1):71-7

Authors: Rutten JH, Steyerberg EW, Boomsma F, van Saase JL, Deckers JW, Hoogsteden HC, Lindemans J, van den Meiracker AH

BACKGROUND: N-terminal pro-brain natriuretic peptide (NT-proBNP) is an established biomarker for heart failure. Assessment of this biomarker in patients with acute dyspnea presenting to the emergency department (ED) may aid diagnostic decision-making, resulting in improved patient care and reduced costs. METHODS: In a prospective clinical trial, patients presenting with acute dyspnea to the ED of the Erasmus Medical College, Rotterdam, the Netherlands, were randomized for either rapid measurement or no measurement of NT-proBNP. For ruling out heart failure, cutoff values of 93 pg/mL in male and 144 pg/mL in female patients were used, and for ruling in heart failure, a cutoff value of 1,017 pg/mL was used. Time to discharge from the hospital and costs related to hospital admission were primary end points. Bootstrap analysis was used for comparison of costs and 30-day mortality between the NT-proBNP and control group. RESULTS: A total of 477 patients (54% male) was enrolled. The mean age was 59 years, with 44% of patients having a history of cardiac disease. Median time to discharge from the hospital was 1.9 days (interquartile range [IQR], 0.12-8.4 days) in the NT-proBNP group (n = 241) compared with 3.9 days (IQR, 0.16-11.0 days) in the control group (n = 236) (P = .04). Introduction of NT-proBNP testing resulted in a trend toward reduction in costs related to hospital admission and diagnostic investigations of $1,364 per patient (95% CI $-246 to $3,215), whereas 30-day mortality was similar (15 patients in the NT-proBNP and 18 patients in the control group). CONCLUSIONS: Introduction of NT-proBNP testing for heart failure in the ED setting reduces the time to discharge and is associated with a trend toward cost reduction.

PMID: 18585499 [PubMed - indexed for MEDLINE]

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