Overground endoscopy in 311 Thoroughbred racehorses: findings and correlation to resting laryngeal function

Davison, JA; Lumsden, J. M.; Boston, RC; Ahern, Benjamin J.

doi:10.1111/avj.12620

Cited by 18 publications

(21 citation statements)

References 32 publications

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“…A total of 6,264 studies matching the search terms were initially identified. Refining the search to include only reports meeting the selection criteria produced 12 studies [5,10,11,13,14,[18][19][20][22][23][24][25] that included 2272 horses (Fig 1). Mean (s.d.)…”

Section: Resultsmentioning

confidence: 99%

“…To allow comparison between studies and maximise sample size, data from horses with a grade of 3 on a 5‐point scale were merged with grade 2 on the 4‐point consensus scale . All studies, with the exception of and , made use of a high‐speed treadmill for dynamic evaluation of the airway. Horses were allowed to train on the treadmill prior to testing.…”

Section: Methodsmentioning

confidence: 99%

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Meta‐analysis evaluating resting laryngeal endoscopy as a diagnostic tool for recurrent laryngeal neuropathy in the equine athlete

Elliott

Cheetham

2018

Equine Veterinary Journal

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Section: Resultsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Meta‐analysis evaluating resting laryngeal endoscopy as a diagnostic tool for recurrent laryngeal neuropathy in the equine athlete

Elliott

Cheetham

2018

Equine Veterinary Journal

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“…9 Trainers completed a questionnaire on the background of the horses. The pressure changes are much less in the resting horse than in the exercising horse, making specific diagnosis difficult.…”

Section: Equinementioning

confidence: 99%

“…This retrospective study investigated overground endoscopy (OGE) findings at rest compared with those during exercise, using an endoscope positioned at the level of the guttural pouch ostia to make sure that the larynx components were visible, and graded video recordings. 9 Trainers completed a questionnaire on the background of the horses.…”

Section: Equinementioning

confidence: 99%

In this issue – September 2017

Jackson¹

2017

Aust Veterinary J

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“…Intermittent dorsal displacement of the soft palate (IDDSP) is a multifactorial disease occurring in 10-20% of racehorses (1)(2)(3)(4)(5)(6)(7) and 28% of competing draft horses (8). Females and young horses (2-4 years old) have been reported to be more affected than male and older horses (9).…”

Section: Introductionmentioning

confidence: 99%

Ex-vivo Mechanical Testing of Novel Laryngeal Clamps Used for Laryngeal Advancement Constructs

et al. 2020

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Rostral laryngeal advancement, also known as laryngeal tie-forward, is used to treat horses for intermittent dorsal displacement of the soft palate and has a morbidity rate of about 6%. We hypothesized that a novel laryngeal clamp would prevent morbidity associated with the sutures tearing through the thyroid cartilage. Larynges (n = 35 horses) were used for ex vivo testing. For uniaxial testing, 15 equine larynges were tested in one of three laryngeal tie-forward constructs [standard laryngeal tie-forward; modified laryngeal tie-forward using a suture-button; and modified laryngeal tie-forward using a laryngeal clamp]. For biaxial testing, 20 larynges were tested in one of two treatment groups: laryngeal tie-forward and laryngeal tie-forward using a laryngeal clamp. Constructs were tested in single cycle-to-failure. Statistical analyses were performed using ANOVA for uniaxial testing and t-tests for biaxial testing. The laryngeal tie-forward using a laryngeal clamp construct was superior to laryngeal tie-forward and laryngeal tie-forward using a suture-button constructs in resistance to pullout in uniaxial testing. The laryngeal tie-forward using a laryngeal clamp presented a significantly different method of failure than the standard laryngeal tie-forward in the biaxial testing. Failure modes for each construct were primarily by suture failure at the clamp (laryngeal tie-forward using a laryngeal clamp), suture pullout through the thyroid cartilage, or, less commonly, tearing of the cricothyroid ligament (laryngeal tie-forward). In uniaxial testing, the laryngeal tie-forward using a laryngeal clamp failed most commonly due to tearing of the cricothyroid ligament, whereas the standard laryngeal tie-forward and the laryngeal tie-forward using a suture-button failed due to the tearing of the cartilage. The laryngeal clamps provided greater stiffness, load at yield, and tensile stress at yield than did the standard construct. Laryngeal clamps may offer an alternative to standard methods of anchoring the thyroid cartilage when performing the laryngeal tie-forward procedure. Further testing and clinical trials are needed to elucidate the utility of the laryngeal tie-forward using a laryngeal clamp.

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Overground endoscopy in 311 Thoroughbred racehorses: findings and correlation to resting laryngeal function

Abstract: Multiple DUAO in association with abnormal exercising respiratory noise was a common finding in horses examined for poor performance. This study highlights the importance of OGE in accurately diagnosing the nature of DUAO associated with poor performance.

Cited by 18 publications

References 32 publications

Meta‐analysis evaluating resting laryngeal endoscopy as a diagnostic tool for recurrent laryngeal neuropathy in the equine athlete

Meta‐analysis evaluating resting laryngeal endoscopy as a diagnostic tool for recurrent laryngeal neuropathy in the equine athlete

In this issue – September 2017

Ex-vivo Mechanical Testing of Novel Laryngeal Clamps Used for Laryngeal Advancement Constructs

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