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Evaluation of a point-of-care anticoagulant rodenticide test for dogs
Article first published online: 6 JAN 2014
© Veterinary Emergency and Critical Care Society 2014
Journal of Veterinary Emergency and Critical Care
Volume 24, Issue 2, pages 168–173, March/April 2014
How to Cite
Istvan, S. A., Marks, S. L., Murphy, L. A. and Dorman, D. C. (2014), Evaluation of a point-of-care anticoagulant rodenticide test for dogs. Journal of Veterinary Emergency and Critical Care, 24: 168–173. doi: 10.1111/vec.12140
The authors declare no conflict of interests.
- Issue published online: 16 APR 2014
- Article first published online: 6 JAN 2014
- Manuscript Accepted: 11 NOV 2013
- Manuscript Received: 27 SEP 2012
To evaluate a point-of-care anticoagulant rodenticide lateral flow analyzer for the detection of various rodenticide compounds.
Prospective, laboratory study.
University teaching hospital.
The study utilized a serum sample from one healthy canine donor. Samples were centrifuged and serum samples were aliquoted and either used within 4 hours or frozen at −70°C for further quantitative analysis.
Samples were spiked with clinically relevant concentrations of 1 of 6 rodenticide compounds (warfarin, pindone, chlorphacinone, brodifacoum, bromethalin, and its metabolite desmethylbromethalin). Seventy-five microliters of spiked serum (or unaltered serum) was introduced into the lateral flow test.
Measurements and Main Results
Three readers who were blinded to the sample preparation interpreted the lateral flow test as either positive or negative for the presence of anticoagulant rodenticide. All readers were in agreement for the results of each serum sample. The point-of-care test kit was able to detect a single anticoagulant rodenticide (warfarin) at concentrations below the manufacturer's recommended limit of detection, but was unable to detect any other anticoagulant rodenticide.
The results of this test and therapeutic interventions must be considered in light of history, physical examination, and other clinical data. Based on results from this study, the test kit only detects warfarin and not other more common second-generation anticoagulant rodenticides.