Tidal breathing flow volume loop analysis of 21 healthy, unsedated, young adult male<scp>B</scp>eagle dogs

Adαmama-Moraitou, K. K.; Pardali, Dimitra; Menexes, George; Athanasiou, Labrini V.; Kazakos, George; Rallis, Timoleon

doi:10.1111/avj.12064

Cited by 3 publications

(3 citation statements)

References 17 publications

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“…Respiratory effort can change the contour of TBFVL. The loops recorded for this study were visually similar in contour and shape to previously described loops for both brachycephalic and normal dogs . Unfortunately, more objective criteria of loop shape difference were not recorded.…”

Section: Discussionsupporting

confidence: 56%

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The effect of inhaled heliox on peak flow rates in normal and brachycephalic dogs

Benavides

Rozanski

Anastasio

et al. 2018

Veterinary Internal Medicne

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BackgroundHeliox, a mixture of helium and oxygen, alleviates airway obstruction in people and improves air flow, and its use has been proposed in dogs. Brachycephalic dogs have naturally occurring airway obstruction where heliox might be a useful therapeutic option.ObjectiveThe purposes of this study were to (1) determine the impact of breathing heliox on peak inspiratory and expiratory flows (PIF/PEF) in healthy dogs and (2) determine if brachycephalic dogs and mesocephalic dogs have similar responses to inhaled heliox.AnimalsEleven healthy dogs: 5 mesocephalic and 6 brachycephalic dogs.MethodsA prospective study. Tidal breathing flow‐volume loops were recorded when dogs were breathing room air (nitrogen‐oxygen) and heliox. Peak inspiratory and expiratory flow rates were recorded and the subjective shape of loops assessed. Peak inspiratory and expiratory flows pre‐ and post‐heliox were compared using a Mann‐Whitney Rank sum test with a P‐value of <.05 considered significant.ResultsIn inhaled heliox, PIF and PEF were evaluated by tidal breathing flow‐volume loops. In mesocephalic dogs, PIF increased from a median of 820 mL/s (range, 494‐1010 mL/s) to 1386 mL/s; P = .02; and for PEF from 688 mL/s to 1793 mL/s (P = .04), whereas in brachycephalic dogs, the median PIF increased from 282 mL/s to 694 mL/s; P = .01 and the median PEF increased from 212 mL/s to 517 mL/sec; P = .03. Brachycephalic dogs showed normalization of loop shapes.Conclusions and clinical importanceHeliox improves flow rate and appears to improve flow patterns in brachycephalic dogs.

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Section: Discussionsupporting

confidence: 56%

“…Temperature was not recorded in the dogs in this study due to the short duration of heliox inhalation; however, in clinical cases, monitoring temperature might be important. This effect could be advantageous, as many dogs with upper airway obstruction are hyperthermic due to relative inability to cool …”

Section: Discussionmentioning

confidence: 99%

The effect of inhaled heliox on peak flow rates in normal and brachycephalic dogs

Benavides

Rozanski

Anastasio

et al. 2018

Veterinary Internal Medicne

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show abstract

“…A cross‐sectional, prospective study included a homogeneous population of 21 healthy Beagle dogs that were selected to minimise differences between animals in order to establish reference values in healthy dogs . The equipment used was non‐invasive, comprising a solid plastic tight‐fitting mask, connected to a pressure senor and a transducer, with the dogs unsedated and standing.…”

Section: Small Animalsmentioning

confidence: 99%

In this issue – June 2013

Ae¹

2013

Aust Veterinary J

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Clinical Application of Pulmonary Function Testing in Small Animals

Balakrishnan

Tong

2020

Veterinary Clinics of North America: Small Animal Practice

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Tidal breathing flow volume loop analysis of 21 healthy, unsedated, young adult maleBeagle dogs

Abstract: A large number of clinically applicable TBFVL parameters were identified. Parameters related to flow and time were considered to correlate more objectively to the functional capacity of the respiratory system of healthy, unsedated dogs.

Cited by 3 publications

References 17 publications

The effect of inhaled heliox on peak flow rates in normal and brachycephalic dogs

The effect of inhaled heliox on peak flow rates in normal and brachycephalic dogs

In this issue – June 2013

Clinical Application of Pulmonary Function Testing in Small Animals

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