• Bo Wiinberg, Asger L Jensen, Pär I Johansson, Mads Kjelgaard-Hansen, Elizabeth Rozanski, Mikael Tranholm, and Annemarie T Kristensen.
• The Small Animal Hospital, Department of Small Animal Clinical Sciences, Faculty of Life Sciences, University of Copenhagen, Frederiksberg, Denmark. bwi@kvl.dk
• Vet. J. 2010 Sep 1;185(3):292-8.

AbstractA template for a scoring system for disseminated intravascular coagulation (DIC) in humans has been proposed by the International Society on Thrombosis and Haemostasis (ISTH). The objective of this study was to develop and validate a similar objective scoring system based on generally available coagulation tests for the diagnosis of DIC in dogs. To develop the scoring system, 100 dogs consecutively admitted to an intensive care unit (ICU) with diseases predisposing for DIC were enrolled prospectively (group A). The validation involved 50 dogs consecutively diagnosed with diseases predisposing for DIC, admitted to a different ICU (group B). Citrated blood samples were collected daily during hospitalisation and diagnosis of DIC was based on the expert evaluation of an extended coagulation panel. A multiple logistic regression model was developed in group A for DIC diagnosis. The integrity and diagnostic accuracy of the model was subsequently evaluated in a separate prospective study at a different ICU (group B) and was carried out according to The Standards for Reporting of Diagnostic Accuracy (STARD) criteria. Thirty-seven dogs were excluded from group A and four from group B due to missing data. Based on expert opinion, 23/63 dogs (37%) had DIC. The final multiple logistic regression model was based on activated partial thromboplastin time, prothrombin time, D-Dimer and fibrinogen. The model had a diagnostic sensitivity and specificity of 90.9% and 90.0%, respectively. The diagnostic accuracy of the model was sustained by prospective evaluation in group B (sensitivity 83.3%, specificity 77.3%). Based on commonly used, plasma-based coagulation assays, it was possible to design an objective diagnostic scoring system for canine DIC with a high sensitivity and specificity.Copyright 2009 Elsevier Ltd. All rights reserved.

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