Please find below the abstract of the article written by Kaynar et al. under the title “Reliability Of The Lactate Scout Point-Of-Care Instrument For The Determination Of Blood L-Lactate Concentration In Sheep”. This article was published in American Society for Veterinary Clinical Pathology (Vet Clin Pathol 0/0 (2015) 1–5 ©2015)
“Background: Data on accuracy and precision of the Lactate Scout point-of-care
(POC) analyzer in ovine medicine are lacking.
Objective: The purpose of the study was to assess the reliability of the Lactate Scout in sheep.
Materials and Methods: Fifty-seven sheep at varying ages with various diseases were included. Blood lactate concentration in samples collected from the jugular vein was measured immediately on the Lactate Scout. Plasma L-lactate concentration was measured by the Cobas autoanalyzer as the reference method. Data were subjected to Student’s t-test, Passing–
Bablok regression, and Bland–Altman plot analyses for comparison and assessment of accuracy, precision, and reliability.
Results: Plasma L-lactate concentration was consistently lower than blood L-lactate concentration (3.06 _ 0.24 vs 3.3 _ 0.3 mmol/L, P < .0001). There was a positive correlation between plasma and blood L-lactate concentrations (r = .98, P < .0001). The Lactate Scout had 99% accuracy and 98% precision with the reference method. Blood (Y) and plasma (X) L-lactate
concentrations were fitted to Y = 0.28 + 1.00 _ X, with a residual standard deviation of 0.31 and a negligible deviation from the identity line (P = .93). The bias was fitted to Y = 0.10 + 0.05 _ X, with Sy.x of 0.44 (P < .07).
Conclusions: The Lactate Scout has high accuracy and precision, with a negligible bias. It is a reliable POC analyzer to assess L-lactate concentration in ovine medicine.”
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