Effect of fasting time on glucose levels in dogs subjected to ovariohysterectomy

Abstract

Objective is to determine the effect of fasting time on pre and postsurgical glucose levels in mixed breed canines 4 to 16 kg, submitted to OVH of until 15 minutes, with Alpha Trak2 strips in the Municipal clinic in the city of Ibarra on July 2022. The methodology of the research was quantitative of the descriptive experimental type. We proceeded with an evaluation of the individual classified by the American Society of anesthesiologists (ASA) scale. An initial taking of glucose in venous blood was carried out with the subject in fasting, which proved its normality to enter each study group. If it was normoglycemic or even hyperglycemic, they were classified in 3 study groups (4, 8 and 12 hours of fasting) comprised by 21 specimens each. Once admitted, a pre-surgical sample was taken and another 2 hours post-surgical the data was collected and grouped by treatment. This correlated the post-surgical symptomatology with the changes in the glucose levels and the fasting times. The population for this study were healthy, canine females from the municipal clinic that came for sterilization services. The sample treatment 63 females of 4+ months in the facilities of the clinic Animal Vet SAS were analyzed with resulting data. The analysis of variance ANOVA of 2 factors and the qualitative variables were performed with Chi-square, using Infostat. In the results between the 3 study groups there is a statistically irrelevant difference in the pre-surgical glucose variable p= 0.052 and in the post-surgical glucose p= 0.719 with the same result. The post-surgical glucose, in all cases, was always higher than the pre-surgical glucose and the symptomatology remained relatively constant in the 3 fasting groups. Conclusion. There is no significant relevance between fasting times, nor any risk of hypoglycemia. A metabolic stress was generated in all cases that induced hyperglycemia due to the surgical procedure itself, with similar post-surgical symptoms in all groups.  Area of study: veterinary medicine, animal health, urban wildlife management.