PMID: 15253083Jul 16, 2004Paper

Effect of laryngoplasty on respiratory noise reduction in horses with laryngeal hemiplegia

Equine Veterinary Journal
J A BrownN E Robinson

Abstract

Laryngoplasty is the technique of choice for treatment of laryngeal hemiplegia, with the aim of improving airway function and/or eliminating respiratory noise. However, there are no quantitative data in the literature describing the effect of laryngoplasty on upper airway noise or its relationship to upper airway mechanics in horses with laryngeal hemiplegia. To determine whether laryngoplasty reduces respiratory noise in exercising horses with laryngeal hemiplegia; and to establish whether the degree of upper airway obstruction can be predicted by upper airway noise, or the degree of arytenoid abduction correlated with airway obstruction and noise production. Six Standardbred horses with normal upper airways during maximal exercise were used. Respiratory sounds and inspiratory transupper airway pressure (Pui) were measured in all horses before and after induction of laryngeal hemiplegia and 30, 60 and 90 days after laryngoplasty. Inspiratory sound level (SL) and the sound intensity of the 3 inspiratory formants (F1, F2 and F3, respectively) were measured using a computer-based sound analysis programme. The degree of abduction was graded by endoscopic visualisation 1, 30, 60 and 90 days post operatively. Linear regression analy...Continue Reading

Citations

Aug 24, 2005·Veterinary Surgery : VS·Jennifer A BrownN Edward Robinson
Nov 28, 2006·Equine Veterinary Journal·P RobinsonN E Robinson
Aug 29, 2007·Equine Veterinary Journal·D L Evans
Jan 6, 2011·Veterinary Surgery : VS·Eric J ParentePerry Habecker
Mar 2, 2013·Equine Veterinary Journal. Supplement·F CompostellaS H Franklin
May 13, 2017·Veterinary Surgery : VS·Olivier BrandenbergerKarl Joseph Boening
Feb 22, 2008·Equine Veterinary Journal·V RakeshA P Pease
Dec 18, 2007·Journal of the American Veterinary Medical Association·Cortney E HendersonJennifer A Brown
Apr 14, 2015·Veterinary Surgery : VS·Fabrice RossignolNorm G Ducharme
Feb 6, 2020·Veterinary Surgery : VS·Lauren K LuedkeNorm G Ducharme
Oct 5, 2017·Equine Veterinary Journal·E J Parente
May 20, 2008·Equine Veterinary Journal·J CheethamN G Ducharme

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