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- Title
Sonoclot evaluation of whole blood coagulation in healthy adult dogs.
- Authors
Babski, Danielle M.; Brainard, Benjamin M.; Krimer, Paula M.; Ralph, Alan G.; Pittman, Jennifer R.; Koenig, Amie
- Abstract
Objective To establish a standard protocol for analysis of canine whole blood and generate reference intervals for healthy dogs using the Sonoclot analyzer, and to compare Sonoclot values to standard and viscoelastic coagulation tests. Design Prospective study. Setting Veterinary University research facility and teaching hospital. Animals Twelve healthy random source dogs and 52 healthy dogs from the general veterinary school population. Interventions: Blood sampling for viscoelastic coagulation testing. Measurements and Main Results Blood was collected from 12 healthy adult dogs by jugular venipuncture. After a rest period at room temperature of 30, 60, or 120 minutes, 340 μL of citrated blood was added to 20 μL of 0.2 M CaCl2 in 1 of 2 cuvette types warmed to 37° C. Cuvettes contained a magnetic stir-bar with glass beads (gbACT+) or only a magnetic stir-bar (nonACT). Reference interval samples were collected from 52 healthy adult dogs and analyzed in duplicate. The ACT, CR, and PF were not affected by duration of rest period for either cuvette type. ACT variability was decreased when using gbACT+ cuvettes ( P < 0.05). In normal dogs reference intervals (mean ± 2 SD) using gbACT+ cuvettes were: ACT 56.0-154.0 seconds, CR 14.85-46.0, and PF 2.1-4.05. ACT correlated to TEG R-time, K-time, and angle, while CR correlated with all TEG parameters. Fibrinogen correlated with ACT, CR, and PF. Sonoclot did not correlate with other common coagulation tests. Conclusions Sonoclot provides viscoelastic evaluation of canine whole blood coagulation and correlated to several TEG parameters and fibrinogen. A standard protocol and reference intervals were established.
- Subjects
THROMBELASTOGRAPHY; BLOOD coagulation; LABORATORY dogs; VETERINARY hospitals; BLOOD sampling; HEMOSTASIS; THROMBOPLASTIN; BLOOD platelet aggregation; PATIENTS
- Publication
Journal of Veterinary Emergency & Critical Care, 2012, Vol 22, Issue 6, p646
- ISSN
1479-3261
- Publication type
Article
- DOI
10.1111/j.1476-4431.2012.00820.x