Laryngeal and pleural ultrasound and acoustic radiation force impulse elastography in dogs with brachycephalic obstructive airway syndrome

This study aimed to evaluate the pleural thickness, stiffness, and laryngeal stiffness in dogs clinically affected by brachycephalic obstructive airway syndrome using B-mode ultrasound and acoustic radiation force impulse elastography. Fifty-two brachycephalic pugs and French bulldogs, clinically cl...

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Vydáno v:	Scientific reports Ročník 15; číslo 1; s. 19884 - 9
Hlavní autoři:	Rein, Ariadne, Facin, Andréia Coutinho, de Almeida Fabris, Isabella, Lima, Bruna Bressianini, Gasser, Beatriz, Aires, Luiz Paulo Nogueira, Uscategui, Ricardo Andres Ramirez, Feliciano, Marcus Antônio Rossi, Moraes, Paola Castro
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	London Nature Publishing Group UK 06.06.2025 Nature Publishing Group Nature Portfolio
Témata:	692/699/1785 692/700/139 Airway Obstruction - diagnostic imaging Airway Obstruction - veterinary Animals Arytenoid Cartilage Craniosynostoses - diagnostic imaging Craniosynostoses - veterinary Dog Diseases - diagnostic imaging Dogs Elasticity Imaging Techniques - methods Female French bulldog Humanities and Social Sciences Hypoxia Larynx Larynx - diagnostic imaging Male multidisciplinary Pleura Pleura - diagnostic imaging Pleural thickness Radiation Respiratory obstruction Respiratory tract Science Science (multidisciplinary) Shear wave velocity Ultrasonic imaging Ultrasonography - methods Ultrasound Velocity Wave velocity Arytenoid Hypoxia French bulldog Pleural thickness Shear wave velocity Respiratory obstruction
ISSN:	2045-2322, 2045-2322
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Shrnutí:	This study aimed to evaluate the pleural thickness, stiffness, and laryngeal stiffness in dogs clinically affected by brachycephalic obstructive airway syndrome using B-mode ultrasound and acoustic radiation force impulse elastography. Fifty-two brachycephalic pugs and French bulldogs, clinically classified as having brachycephalic obstructive airway syndrome (BOAS) grades 0, I, II, and III, were included, and 15 mesocephalic beagle dogs were used as the control group (CO). All animals underwent B-mode ultrasonography and subsequent elastography of the pleura and arytenoid cartilage of the larynx. Brachycephalic dogs showed greater pleural thickness than the control group dogs ( p = 0.008) and a trend toward lower pleural shear wave velocity was observed in brachycephalic dogs compared to CO ( p = 0.18). The larynx shear wave velocity was similar between types of skull and BOAS grades ( p = 0.80). Measurements of the pleural line thickness and pleural stiffness showed moderate capacity for diagnosing brachycephalic syndrome ( p = 0.01, cut-off value of > 0.82 mm and p = 0.04, cutoff value 3.29 m/s). The results suggest a secondary change in inspiratory effort at the tissue level of the pleura in dogs clinically affected by BOAS, which can be identified by B-mode ultrasound and elastography methods; however, it was not possible to diagnose changes in the arytenoid cartilage.
Bibliografie:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 14 content type line 23
ISSN:	2045-2322 2045-2322
DOI:	10.1038/s41598-025-94644-4