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An ex vivo evaluation of efficacy of refrigerated canine plasma
Journal article   Peer reviewed

An ex vivo evaluation of efficacy of refrigerated canine plasma

A.R. Grochowsky, E.A. Rozanski, A.M. de Laforcade, C.R. Sharp, D.M. Meola, J.J. Schavone and M.B. Brooks
Journal of Veterinary Emergency and Critical Care, Vol.24(4), pp.388-397
2014
DOI: https://doi.org/10.1111/vec.12202
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Abstract

Objectives To determine thawing times of fresh frozen plasma (FFP), and to evaluate the activity of hemostatic proteins (coagulation factors V, VII, VIII, IX, X, and fibrinogen), clotting times (prothrombin time and activated partial thromboplastin time), and sterility of canine plasma stored refrigerated. Design Prospective laboratory‐based study. Setting Veterinary teaching hospital blood bank. Interventions Phase 1: Six units of canine FFP were retrieved from the blood bank and thawed individually in a warm water bath. Time for thaw was recorded in minutes and reported as mean ± SD. Phase 2: One unit of fresh whole blood was collected from 9 dogs and processed routinely. Resulting plasma was divided into 2 aliquots, 1 stored as refrigerated plasma (RP) and 1 as frozen plasma. Samples from the RP were taken at 0, 1, 5, 7, and 14 days and from the FFP at days 0 and 14 for determination of clotting factor activity (V, VII, VIII, IX, and X and fibrinogen) and clotting times. Coagulation factors and clotting times were analyzed using a mixed effects linear model for ANOVA, comparing changes over time as well as differences between groups. For all comparisons, a P value of <0.05 was considered significant. Batch bacterial aerobic and anaerobic cultures of the RP samples were submitted on days 7 and 14 and from the frozen plasma on day 14. Measurements and Main results Time to thaw for FFP units was 34.7 ± 1.38 minutes. Refrigerated storage resulted in significant decreases in the activity of all clotting factors and a subsequent prolongation in clotting times. However, no values were outside of the reference interval. All bacterial cultures yielded no growth. Conclusions Refrigerated storage results in only minor loss of coagulation factor activity in canine plasma. The use of RP, therefore, may be a viable option in high‐volume veterinary hospitals for rapid correction of coagulopathy in critical care patients.

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24 Record Views
15 Times Cited - Web of Science

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Collaboration types
Domestic collaboration
Citation topics
1 Clinical & Life Sciences
1.75 Blood Clotting
1.75.324 Transfusion
Web Of Science research areas
Veterinary Sciences
ESI research areas
Plant & Animal Science
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