Original Scientific Article
Retrospective investigation on the prevalence of pulmonary hypertension in dogs with bronchial and upper respiratory diseases
Chiara Locatelli ,
Daniela Montrasio ,
Ilaria Spalla ,
Giulia Riscazzi ,
Matteo Gobbetti ,
Alice Savarese ,
Stefano Romussi ,
Paola G. Brambilla *

Mac Vet Rev 2016; 39 (1): 83 - 90

10.1515/macvetrev-2016-0075

Received: 10 October 2015

Received in revised form: 11 January 2016

Accepted: 20 January 2016

Available Online First: 01 February 2016

Published on: 15 March 2016

Correspondence: Paola G. Brambilla, paola.brambilla@unimi.it
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Abstract

Bronchial and upper respiratory diseases have been associated with hypoxia and subsequent development of pulmonary arterial hypertension (PAH). However, there are no known studies assessing the prevalence of PAH in dogs with these conditions. The aim of this study was to assess the frequency of PAH in dogs with bronchial and upper respiratory diseases. Medical records of dogs with confirmed diagnosis (by endoscopic examination) of bronchial and/or upper respiratory diseases referred for cardiovascular investigation (January 2009 - May 2013) were retrospectively reviewed. Diagnosis of PAH was made by echocardiography (tricuspid regurgitation > 2.8 m/s and/or pulmonic regurgitation > 2.2 m/s); possible PAH was diagnosed when two or more specific echocardiographic findings were present. 52 dogs (30 with upper respiratory diseases, 17 with bronchial disease and 5 with both) were included. Diagnosis of PAH was performed in 3 dogs (5.7%). Two dogs were considered as probably affected by PAH; a total of 5 dogs (9.4%) resulted in being affected or probably affected by PAH. Our study shows that the prevalence of PAH in dogs with bronchial and/or upper respiratory diseases is low; PAH seems to occur mostly in older dogs and/or with very advanced disease: echocardiography may therefore be a useful tool in this category of patients.

Keywords: dogs, pulmonary arterial hypertension, respiratory disease, tricuspid regurgitation

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Copyright

© 2016 Locatelli C. This is an open-access article publishedunder the terms of the Creative Commons Attribution License whichpermits unrestricted use, distribution, and reproduction in any medium,provided the original author and source are credited.

Conflict of Interest Statement

The authors declared that they have no potential conflict of interest with respect to the authorship and/or publication of this article.

Citation Information

Macedonian Veterinary Review. Volume 39, Issue 1, Pages 83-90, p-ISSN 1409-7621, e-ISSN 1857-7415, DOI: 10.1515/macvetrev-2016-0075, 2016

The all content of the Macedonian Veterinary Review, except where otherwise noted, is licensed under a Creative Commons Attribution License.