Peer-reviewed veterinary case report
Blood clotting test shows severity in dogs with heatstroke
By Yanai, Michal et al.·Published in Journal of veterinary internal medicine·2024·The Koret School of Veterinary Medicine·View original on PubMed →
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Original publication title: Thromboelastometry for assessment of hemostasis and disease severity in 42 dogs with naturally-occurring heatstroke.
- Species:
- dog
Plain-English summary
A group of 42 dogs suffering from heatstroke were evaluated to understand how their blood clotting ability affected their recovery. Many of the dogs showed signs of poor blood clotting, which was linked to a higher chance of death and complications like kidney injury. The study found that dogs with a hypo-coagulable (poor clotting) profile were more likely to not survive compared to those with normal clotting. The findings suggest that monitoring blood clotting can help predict outcomes in dogs with heatstroke, guiding treatment decisions.
People also search for: dog heatstroke symptoms · dog blood clotting issues · heatstroke treatment for dogs · dog kidney injury after heatstroke
Abstract
BACKGROUND: Thromboelastometry (TEM) provides a comprehensive overview of the entire coagulation process and has not been evaluated in heatstroke-induced coagulopathies in dogs. OBJECTIVES: To determine the diagnostic and prognostic utility of TEM in dogs with heatstroke. ANIMALS: Forty-two client-owned dogs with heatstroke. METHODS: Prospective observational study. Blood samples for intrinsic and extrinsic TEM (INTEM and EXTEM, respectively) were collected at presentation and every 12 to 24 hours for 48 hours. Coagulation phenotype (hypo-, normo-, or hypercoagulable) was defined based on TEM area under the 1st derivative curve (AUC). RESULTS: Case fatality rate was 31%. Median TEM variables associated with death (P < .05 for all) included longer INTEM clotting time, lower AUC at presentation and at 12 to 24 hours postpresentation (PP), lower INTEM alpha angle, maximum clot firmness, and maximum lysis (ML) at 12 to 24 hours PP, and lower EXTEM ML at 12 to 24 hours PP. Most dogs were normo-coagulable on presentation (66% and 63% on EXTEM and INTEM, respectively), but hypo-coagulable 12 to 24 PP (63% for both EXTEM and INTEM). A hypo-coagulable INTEM phenotype was more frequent at presentation and 12 to 24 PP among nonsurvivors compared to survivors (55% vs 15% and 100% vs 50%, P = .045 and .026, respectively). AKI was more frequent (P = .015) in dogs with hypo-coagulable INTEM tracings at 12 to 24 hours. Disseminated intravascular coagulation was more frequent (P < .05) in dogs with a hypo-coagulable INTEM phenotype and in nonsurvivors at all timepoints. CONCLUSIONS AND CLINICAL RELEVANCE: Hypocoagulability, based on INTEM AUC, is predictive of worse prognosis and occurrence of secondary complications.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/38685600/