Effect of a tongue-tie on upper airway mechanics in horses during exercise

American Journal of Veterinary Research
C J CornelisseC A Jackson

Abstract

To determine the effect of a tongue-tie on upper airway mechanics in exercising horses. 5 Standardbreds. Peak inspiratory and expiratory tracheal and pharyngeal pressures and airflow were measured while horses exercised on a treadmill with and without a tongue-tie. Respiratory rate was also measured. Horses ran at speeds that corresponded to 50 (HR50), 75, 90 (HR90), and 100% of maximal heart rate. The tongue-tie was applied by pulling the tongue forward out of the mouth as far as possible and tying it at the level of the base of the frenulum to the mandible with an elastic gauze bandage. Peak inspiratory and expiratory tracheal, pharyngeal, and translaryngeal resistance, minute ventilation, and tidal volume were calculated. Data were analyzed by use of 2-way repeated-measures ANOVA. For post hoc comparison of significant data, the Student-Newman-Keuls test was used. We were unable to detect significant differences between groups for peak inspiratory or expiratory tracheal or pharyngeal resistance, peak pressure, peak expiratory flow, tidal volume, respiratory rate, or minute ventilation. Horses that ran with a tongue-tie had significantly higher peak inspiratory flows, compared with horses that ran without a tongue-tie. In the...Continue Reading

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Citations

Oct 15, 2013·Equine Veterinary Journal·H J ChalmersL Viel
Oct 17, 2001·The Veterinary Record·S Ostrowski, M Shobrak
Jan 26, 2010·Equine Veterinary Journal·S Z BarakzaiL A Boden
Oct 31, 2002·Equine Veterinary Journal. Supplement·S H FranklinJ G Lane
Jun 1, 2021·Australian Veterinary Journal·E NoschkaCgb Caraguel

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