Thrombelastography in horses with acute gastrointestinal disease |
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| Authors: | Epstein K L Brainard B M Gomez-Ibanez S E Lopes M A F Barton M H Moore J N |
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| Institution: | Department of Large Animal Medicine, College of Veterinary Medicine, University of Georgia, Athens, GA, USA. kirae@uga.edu |
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| Abstract: | Background: Coagulopathies in horses with gastrointestinal disease are frequently identified and associated with morbidity and fatality. Objective: Determine if thrombelastography (TEG) identifies abnormalities associated with lesion type, presence of systemic inflammatory response syndrome (SIRS), morbidity, and fatality more consistently than traditional coagulation testing. Animals: One‐hundred and one horses examined for gastrointestinal disease and 20 healthy horses. Methods: TEG, tissue factor (TF)‐TEG, and traditional coagulation panels parameters and percentages of horses with coagulopathies were compared for lesion type, presence of SIRS, complications, and survival. Results: Changes in individual parameters and increased incidence of coagulopathies were associated with fatality (R, P= .007; k‐value K], P= .004; clot lysis CL]30, P= .037; CL60, P= .050; angle Ang], P= .0003; maximum amplitude MA], P= .006; lysis Ly]30, P= .042; Ly60, P= .027; CI, P= .0004; ≥ 2 TEG coagulopathies, P= .013; ≥ 3 TEG coagulopathies, P= .038; TF‐R, P= .037; TF‐K, P= .004; TF‐CL30, P < .0001; TF‐CL60, P < .0001; TF‐Ang, P= .005; TF‐Ly30, P= .0002; TF‐Ly60, P < .0001; TF‐CI, P= .043; ≥ 1 TF‐TEG coagulopathies, P= .003; ≥ 2 TF‐TEG coagulopathies, P= .0004; prothrombin tme PT], P < .0001; activated partial throboplastin time aPTT], P= .021), inflammatory lesions (MA, P= .013; TF‐CL30, P= .033; TF‐CL60, P= .010; TF‐Ly60, P= .011; ≥ 1 TF‐TEG coagulopathy, P= .036; ≥ 2 TF‐TEG coagulopathy, P= .0007; PT, P= .0005; fibrinogen, P= .019), SIRS (MA, P= .004; TF‐CL30, P= .019; TF‐CL60, P= .013; TF‐Ly30, P= .020; TF‐Ly60, P= .010; PT, P < .0001; aPTT, P= .032; disseminated intravascular coagulation, P= .005), and complications (ileus: aPTT, P= .020; diarrhea: TF‐CL30, P= .040; TF‐Ly30, P= .041; thrombophlebitis: ≥ 1 TF‐TEG coagulopathy, P= .018; laminitis: MA, P= .004; CL60, P= .045; CI, P= .036; TF‐MA, P= .019; TF‐TEG CI, P= .019). Abnormalities in TEG and TF‐TEG parameters were indicative of hypocoagulation and hypofibrinolysis. Conclusions and Clinical Importance: TEG identifies changes in coagulation and fibrinolysis associated with lesion type, SIRS, morbidity, and fatality in horses with gastrointestinal disease. |
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| Keywords: | Coagulopathy Point‐of‐care coagulation testing Viscoelastic coagulation testing |
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