Association of admission plasma D-Dimer concentration with diagnosis and outcome in horses with colic
Armengou Ruiz, Lara (Universitat Autònoma de Barcelona. Departament de Medicina i Cirurgia Animals)
José Cunilleras, Eduard (Universitat Autònoma de Barcelona. Departament de Medicina i Cirurgia Animals)
Cesarini Latorre, Carlota (Universitat Autònoma de Barcelona. Departament de Medicina i Cirurgia Animals)
Monreal Bosch, Luis (Universitat Autònoma de Barcelona. Departament de Medicina i Cirurgia Animals)
Ríos, José (Institut d'Investigacions Biomèdiques August Pi i Sunyer)
Delgado Jorde, M. Àngels (Universitat Autònoma de Barcelona. Departament de Medicina i Cirurgia Animals)

Data:	2010
Resum:	Background: Coagulopathies detected in horses with gastrointestinal problems seem to be associated with poor outcome. Plasma D-Dimer concentration is a sensitive test for assessing coagulopathies. Hypothesis: Plasma D-Dimer concentration tested on admission is related to diagnosis and outcome in horses with colic. Animals: Four hundred and ninety three horses referred for evaluation of abdominal pain. Methods: Prospective observational clinical study. Horses were grouped according to diagnosis (medical and surgical intestinal obstructions, ischemic disorders with and without intestinal resection, enteritis, peritonitis), outcome (survivors, nonsurvivors), and number of coagulopathies (normal profile, 1 or 2 coagulopathies, subclinical disseminated intravascular coagulation [DIC]). Blood samples were collected on admission and plasma D-Dimer concentration, clotting times (PT and aPTT), and antithrombin activity were determined. Positive likelihood ratios (LR1) were calculated for evaluation of D-Dimer cut-off values, which were later tested in a logistic regression model. Results: Horses with enteritis or peritonitis had significantly (P o . 001) higher plasma D-Dimer concentrations and more severe coagulopathies on admission than horses with other diagnoses. Nonsurvivors also had significantly (P o . 001) higher plasma D-Dimer concentrations at presentation than did survivors, and those horses with subclinical DIC on presentation had an odds ratio (OR) 8. 6 (95% confidence interval [CI], 3. 3-22. 5, P o . 001) for nonsurvival. Finally, D-Dimer concentrations 44,000 ng/mL had a LR1 of 5. 9 and an OR 8. 8 (95% CI, 4. 5-17. 1, Po . 001) for nonsurvival. Conclusion and Clinical Importance: Plasma D-Dimer concentration measured on admission can be used to facilitate diagnosis and outcome prediction in horses with colic. A potential cut-off value for nonsurvival was found at approximately 4,000 ng/mL.
Drets:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original.
Llengua:	Anglès
Document:	Article ; recerca ; Versió publicada
Matèria:	Còlic en els cavalls ; Aparell digestiu ; Malalties
Publicat a:	Journal of Veterinary Internal Medicine, Vol. 24 (2010) , p. 1490-1497, ISSN 1939-1676

DOI: 10.1111/j.1939-1676.2010.0618.x
PMID: 20946373

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