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- W220932006 abstract "Author(s): Shah, Kevin; Terracciano, Garrett J; Jiang, Kevin; Maisel, Alan S; Fitzgerald, Robert L | Abstract: Objectives: Heart failure is one of the leading causes of death in the U.S. The incorporation of B-type natriuretic peptide (BNP) measurements when triaging patients presenting with shortness of breath has improved the diagnostic and prognostic ability of physicians. Currently, there are no point-of-care systems for quantifying BNP that can be used without sacrificing accuracy. We compared the analytical performance of the Abbott i-STAT analyzer, a handheld point-of-care system for measuring BNP, with the lab-based system, the Abbott ARCHITECT.Methods: One-hundred fifty samples were collected from three clinical settings: 41 from the Emergency Department, 58 from the inpatient wards, and 51 from heart failure outpatient clinics. Linear regression and bias difference analyses were run to evaluate the accuracy of the i-STAT. Correlation between the i-STAT and Architect BNP values were made with values of BNP.Results: The correlation coefficient was r=0.977 (N=150, pl.0001). The average bias was significant (-36) and there were concentration-dependent differences at higher BNP values. Precision of the i-STAT was poor compared to the lab-based platform.Conclusion: Although the precision of the i-STAT was poor, there was good clinical agreement between the i-STAT and the lab-based platform. [West J Emerg Med. 2010; 11(1):44-48]." @default.
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- W220932006 date "2010-01-01" @default.
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- W220932006 title "Comparability of Results Between a Point-of-Care and an Automated Instrument for Measurement of B-Type Natriuretic Peptide" @default.
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