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Blood glucose and insulin concentrations after alpha-2-agonists administration in horses with and without insulin dysregulation.


ABSTRACT: BACKGROUND:In metabolically stable horses, alpha-2-agonists suppress insulin secretion with transient hyperglycemia and rebound hyperinsulinemia. In horses with insulin dysregulation (ID), the effect of alpha-2-agonists has not been investigated; however, both the alpha-2-agonist-induced suppression of insulin secretion and rebound hyperinsulinemia could have clinical relevance. HYPOTHESIS/OBJECTIVES:In horses with ID, alpha-2-agonists will alter insulin and glucose dynamics. ANIMALS:Seven horses with ID and 7 control horses. METHODS:In this randomized crossover study, xylazine hydrochloride (1.1 mg/kg) or detomidine hydrochloride (30??g/kg) were administered IV, and blood was collected for glucose and insulin concentrations at 0, 15, 30, 45, 60, 90, 120, 150, 180, and 300?minutes after administration. Horses received each drug in a random order with a 24-hour washout period between drugs. Percent change in glucose and insulin concentrations was compared between groups, drugs, and over time with P?

SUBMITTER: Kritchevsky JE 

PROVIDER: S-EPMC7096659 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature

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Blood glucose and insulin concentrations after alpha-2-agonists administration in horses with and without insulin dysregulation.

Kritchevsky Janice E JE   Muir Genevieve S GS   Leschke Dakota H Z DHZ   Hodgson Jack K JK   Hess Emily K EK   Bertin Francois-Rene FR  

Journal of veterinary internal medicine 20200226 2


<h4>Background</h4>In metabolically stable horses, alpha-2-agonists suppress insulin secretion with transient hyperglycemia and rebound hyperinsulinemia. In horses with insulin dysregulation (ID), the effect of alpha-2-agonists has not been investigated; however, both the alpha-2-agonist-induced suppression of insulin secretion and rebound hyperinsulinemia could have clinical relevance.<h4>Hypothesis/objectives</h4>In horses with ID, alpha-2-agonists will alter insulin and glucose dynamics.<h4>A  ...[more]

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