Thromboelastometric profiles of horses affected by exercise-induced pulmonary hemorrhages
- PMID: 20953331
- PMCID: PMC2952972
- DOI: 10.4061/2010/945789
Thromboelastometric profiles of horses affected by exercise-induced pulmonary hemorrhages
Abstract
Exercise-induced pulmonary hemorrhage (EIPH) commonly occurs in race horses. Thromboelastometry (TEM) investigates the whole hemostatic process by evaluating the viscoelastic properties of the blood clot from its formation to fibrinolysis. The aim of this study was to assess whether horses with EIPH have abnormal thromboelastometric profiles. Intrinsic and extrinsic pathways, fibrinogen activity and fibrinolysis were investigated by TEM before and after the race in negative controls and in horses on which EIPH was confirmed by bronchoscopy. Compared with controls, horses with EIPH had an increased coagulability in both pre- and postrace samplings, especially for the intrinsic pathway and for the fibinrolytic activity. These results suggest that coagulation is preactivated in horses prone to develop EIPH, possibly due to recent or recurrent hemorrhage.
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References
-
- Birks EK, Durando MM, McBride S. Exercise-induced pulmonary hemorrhage. Veterinary Clinics of North America: Equine Practice. 2003;19(1):87–100. - PubMed
-
- Birks EK, Mathieu-Costello O, Fu Z, Tyler WS, West JB. Very high pressures are required to cause stress failure of pulmonary capillaries in thoroughbred racehorses. Journal of Applied Physiology. 1997;82(5):1584–1592. - PubMed
-
- Weiss DJ, Smith CM., II Haemorrheological alterations associated with competitive racing activity in horses: implications for exercise-induced pulmonary haemorrhage (EIPH) Equine Veterinary Journal. 1998;30(1):7–12. - PubMed
-
- Luddington RJ. Thrombelastography/thromboelastometry. Clinical and Laboratory Haematology. 2005;27(2):81–90. - PubMed
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