Abstract

JARAMILLO, C; RAMIREZ, L. M; ARIAS, M. P  and  ALVAREZ, I. D. COMPARISON OF BLOOD GASES, ELECTROLYTES, AND METABOLIC DETERMINANTS OF ACID-BASE STATUS IN COLOMBIAN CRIOLLO HORSES. Rev. Med. Vet. Zoot. [online]. 2016, vol.63, n.1, pp.20-29. ISSN 0120-2952.  https://doi.org/10.15446/rfmvz.v63n1.56900.

We determined and compared the values of blood gases, electrolytes, lactate, hematocrit and acid-base status for both arterial and venous blood in seventeen horses from the Veterinary and Zootechnical Center at CES University. We used the Epoc Blood Analysis® portable system, which allows analyzing and obtaining information about gases, ions and metabolites. Our results show that there is a statistically significant difference (p < 0,05) in the values of arterial glucose according to the age and in the concentration of venous lactate according to the sex. Likewise, when we compared the values obtained from arterial blood with the values obtained from venous blood, we found statistically significant differences in the oxygen partial pressure (pO₂), carbon dioxide partial pressure (pCO₂), oxygen saturation level (cSO₂), sodium, ionized calcium, glucose, bicarbonate, blood base excess (BE_b), extracellular base excess (BE_(ecf)), temperature-corrected PO₂ and pCO₂. Based on these results, we can conclude that we should take arterial blood samples in order to assess accurately the status of the patients and that variables such as oxygen partial pressure, carbon dioxide partial pressure and the oxygen saturation level are largely dependent on the environmental temperature, patient's temperature and altitude; as these conditions modify the gas partial pressures.

Keywords : equine; arterial gases; venous gases; ions; lactate.

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