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Objectives:
The gastrointestinal tract of brachycephalic dogs (BD) is affected by changes secondary to respiratory obstruction resulting from brachycephalic obstructive airway syndrome (BOAS). Clinical signs include vomiting, regurgitation, sialorrhea, dysphagia, hiatal hernia, gastritis, enteritis, and gastroesophageal reflux. This study aimed to describe quantitative data on the echogenicity of the stomach, duodenum, and jejunum in dogs affected by brachycephalic syndrome, correlating these values with the degrees of BOAS, hematological changes, and systemic inflammation signs.
Methods:
Fifty-two BD and 15 mesocephalic controls, aged between 1 and 8 years, were selected. Hemogram, biochemical analysis, C-reactive protein (CRP) analysis, and B-mode ultrasonography of the gastrointestinal tract were performed in all patients, followed by quantitative analyses of the images. BD were classified according to the brachycephalic syndrome. In the quantitative analysis, 8 regions of interest were defined in the mucosal layer of the stomach, duodenum, and jejunum, and the mean pixel values were quantified for each structure.
Results:
Brachycephalic patients showed higher echogenicity in the duodenum and jejunum with values expressed in pixels (duodenum: 18.2 ± 11.3; jejunum: 25.6 ± 15.2), significantly higher than mesocephalic dogs (duodenum: 11.04 ± 4.3; jejunum: 9 ± 7). Furthermore, there were notable differences between the groups of affected dogs. Gastrointestinal wall thickness remained within normal limits and showed no statistical difference. BD presented increased values of CRP and leukocytes, along with a high prevalence of gastrointestinal signs, such as diarrhea, suggesting subacute intestinal inflammation.
Conclusions:
Quantitative ultrasonographic evaluation allows for obtaining more reliable data on echogenicity, minimizing exam subjectivity.
FINANCIAL SUPPORT: São Paulo Research Foundation 2023/12747-5
34th Annual Scientific Meeting proceedings
Stream:
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Session:
Date/Time: 30-11--0001 (00:00 - 00:00) | Location:
Date/Time: 30-11--0001 (00:00 - 00:00) | Location:
Gastrointestinal evaluation of Pug and French bulldog dogs affected by bachycephalic airway obstructive syndrome (BOAS).
Fabris IA1, Facin AC1, Rein A1, Aires LPN2, Gasser B1, Lima BB1, Slompo MEF1, Gujanwski CA1, Silva DG1, Quitzan JG3, Feliciano MAR2, Moraes PC1
1Fcav-Unesp, Jaboticabal, Brazil, 2Fzea- Usp, Pirassununga, Brazil, 3Fmvz- Unesp, Botucatu, Brazil.
Objectives:
The gastrointestinal tract of brachycephalic dogs (BD) is affected by changes secondary to respiratory obstruction resulting from brachycephalic obstructive airway syndrome (BOAS). Clinical signs include vomiting, regurgitation, sialorrhea, dysphagia, hiatal hernia, gastritis, enteritis, and gastroesophageal reflux. This study aimed to describe quantitative data on the echogenicity of the stomach, duodenum, and jejunum in dogs affected by brachycephalic syndrome, correlating these values with the degrees of BOAS, hematological changes, and systemic inflammation signs.
Methods:
Fifty-two BD and 15 mesocephalic controls, aged between 1 and 8 years, were selected. Hemogram, biochemical analysis, C-reactive protein (CRP) analysis, and B-mode ultrasonography of the gastrointestinal tract were performed in all patients, followed by quantitative analyses of the images. BD were classified according to the brachycephalic syndrome. In the quantitative analysis, 8 regions of interest were defined in the mucosal layer of the stomach, duodenum, and jejunum, and the mean pixel values were quantified for each structure.
Results:
Brachycephalic patients showed higher echogenicity in the duodenum and jejunum with values expressed in pixels (duodenum: 18.2 ± 11.3; jejunum: 25.6 ± 15.2), significantly higher than mesocephalic dogs (duodenum: 11.04 ± 4.3; jejunum: 9 ± 7). Furthermore, there were notable differences between the groups of affected dogs. Gastrointestinal wall thickness remained within normal limits and showed no statistical difference. BD presented increased values of CRP and leukocytes, along with a high prevalence of gastrointestinal signs, such as diarrhea, suggesting subacute intestinal inflammation.
Conclusions:
Quantitative ultrasonographic evaluation allows for obtaining more reliable data on echogenicity, minimizing exam subjectivity.
FINANCIAL SUPPORT: São Paulo Research Foundation 2023/12747-5
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