Evidence map›Paper›PMID 42855436›Full record

ArticleJournal of veterinary internal medicine2026

ClotPro viscoelastic testing in coagulation disorders in dogs: a retrospective analysis.

Pavlos G Doulidis, Carolina Frizzo-Ramos, Larissa J Prankch, Barbara Rütgen, Iwan A Burgener, Nicole Luckschander-Zeller

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Article in Journal of veterinary internal medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

6 authors.

Pavlos G DoulidisClinical Unit of Small Animal Internal Medicine, Department for Companion Animals and Horses, University of Veterinary Medicine, 1210 Vienna, Austria.ORCID 0000-0001-8731-2936
Carolina Frizzo-RamosClinical Unit of Anesthesiology and Perioperative Intensive Care, Department for Companion Animals and Horses, University of Veterinary Medicine, 1210 Vienna, Austria.ORCID 0009-0008-2612-2088
Larissa J PrankchClinical Unit of Small Animal Internal Medicine, Department for Companion Animals and Horses, University of Veterinary Medicine, 1210 Vienna, Austria.
Barbara RütgenDepartment of Pathobiology, University of Veterinary Medicine, 1210 Vienna, Austria.ORCID 0000-0001-9080-0164
Iwan A BurgenerClinical Unit of Small Animal Internal Medicine, Department for Companion Animals and Horses, University of Veterinary Medicine, 1210 Vienna, Austria.ORCID 0000-0002-8516-0040
Nicole Luckschander-ZellerClinical Unit of Small Animal Internal Medicine, Department for Companion Animals and Horses, University of Veterinary Medicine, 1210 Vienna, Austria.ORCID 0000-0002-0796-3075

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundViscoelastic testing provides whole-blood assessment of coagulation, but clinical data on the performance of the ClotPro in dogs with naturally occurring diseases are limited. HYPOTHESIS/

objectivesTo evaluate pathway coherence of ClotPro variables with routine coagulation tests and to explore disease-associated viscoelastic phenotypes, fibrinolysis, and hypercoagulability. ANIMALS: Eighty-four client-owned dogs admitted to a university hospital.

methodsRetrospective cohort study. ClotPro variables (clotting time, amplitude at 10 min, maximum clot firmness, maximum lysis across extrinsic pathway test [EX], intrinsic pathway test [IN], fibrinogen test channel, aprotinin test [AP] channels) were compared with prothrombin time (PT), activated partial thromboplastin time (aPTT), platelet count (PLT), and D-dimer using Spearman correlation with Benjamini-Hochberg adjustment. Group differences were assessed with Kruskal-Wallis and Dunn's post hoc. Hyperfibrinolysis (HF) was defined using paired EX-AP. A hypercoagulability index (HCI) and platelet/fibrin-adjusted residual firmness were derived.

resultsPT correlated with clotting time in EX channel (ρ = 0.48, q = 0.002) and aPTT with clotting time in IN channel (ρ = 0.42, q = 0.007). PLT correlated with maximum clot firmness in EX channel (EX_MCF) (ρ = 0.50, q = 0.001). maximum clot firmness in FIB channel correlated with EX_MCF (ρ = 0.58, q < 0.001) and maximum clot firmness in IN channel (ρ = 0.47, q = 0.003). maximum lysis in EX channel (EX_ML) correlated inversely with EX_MCF (ρ = -0.35, q = 0.028). D-dimer correlated with EX_ML (ρ = 0.30, q = 0.049). Group-level distributions overlapped substantially. HF was infrequent among cases (33% in dogs with hepatopathy and 21% in dogs with hemorrhagic diarrhea). The HCI differed across diseases (P = .0002), whereas platelet/fibrin-adjusted residual firmness did not. CONCLUSIONS AND CLINICAL IMPORTANCE: ClotPro variables demonstrated pathway-specific coherence with routine coagulation testing and consistent fibrinolysis patterns. Disease states did not define discrete viscoelastic phenotypes, supporting case-level interpretation.

Indexed as

Blood Coagulation DisordersDog DiseasesThrombelastographyAnimalsBlood Coagulation TestsDogsFemaleMalePartial Thromboplastin TimeRetrospective Studiesfibrinolysishemostasishypercoagulabilitythromboelastography

Identifiers

PMID42855436
PMCPMC13652645

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