Comparing the Submaximal Exercise Test Results and Severity of Brachycephalic Obstructive Airway Syndrome in Pugs and French Bulldogs
27th ECVIM-CA Congress, 2017
M. Aromaa; M.M. Rajamäki; L. Lilja-Maula
Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland

In addition to respiratory difficulties, exercise intolerance and impaired recovery are major signs of brachycephalic obstructive airway syndrome (BOAS). Therefore, we investigated the correlations of the 6 min walk test (6MWT) or the 1000 m walk test results with a veterinary assessment of BOAS severity in a group of prospectively recruited 1–5 years old Pugs (n=35) and French Bulldogs (FBs) (n=42). For severity of BOAS, dogs graded as having no or mild signs of BOAS were referred to as the BOAS- group and those having moderate or severe signs as the BOAS+ group based on veterinary physical examination findings. The BOAS- Pugs walked longer distance (p=0.002) in 6MWT (mean 584±33 m, range 505–630) and shorter time (p=0.006) in 1000 m walk test (mean 10.17±0.67 min, range 9.39–11.94) than BOAS+ Pugs (6MWT 517±64 m, range 400–585; 1000 m test 12.26±2.23 min, range 10.25–17.55). Similarly, the BOAS- FBs walked longer distance (p=0.063) in 6MWT (639±51m, range 575–745) and shorter time (p=0.012) in 1000 m test (9.47±0.66 min, range 8.15–10.77), than BOAS+ FBs (6MWT 593±73 m, range 435–695; 1000 m test 10.72±1.25 min, range 8.42–12.15). BOAS- Pugs and FBs recovered also more quickly than BOAS+ Pugs and FBs (p=0.002; p=0.007). In conclusion, submaximal exercise test could be used as non-invasive tool for evaluation of severity of BOAS.

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Speaker Information
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M. Aromaa
Faculty of Veterinary Medicine
University of Helsinki
Helsinki, Finland


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