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Evaluation of the agreement between a point-of-care lactate meter and a handheld laboratory analyzer in cats treated
Mark J Acierno1, Aubrey Hirsch2, Andrea Dedeaux2
1Department of Medicine, School of Veterinary Medicine, Midwestern University, Glendale, AZ.
Objective:
The purpose of this study was to determine if there was agreement between a new point-of-care (POC) lactate analyzer and a handheld laboratory analyzer when measuring blood lactate concentration in cats.
Design:
Prospective observational study.
Setting:
University veterinary teaching hospital.
Animals:
Fifty-four cats that presented to an emergency service.
Interventions:
None.
Measurements And Main Results:
Lactate concentrations as measured by the handheld laboratory analyzer ranged from 0.3 to 15.4 mmol/L. Agreement analysis of the handheld laboratory analyzer and the POC lactate meter demonstrated a bias, -0.06 and limits of agreement ranging from -0.87 to 0.99 mmol/L. Regression analysis demonstrated a coefficient of determination (R2 ) of 0.98.
Conclusion:
Results of the present study indicate that the POC lactate meter provided results that are in agreement with a handheld laboratory analyzer when measuring lactate in clinically ill patients.
