http://lattes.cnpq.br/8205438032971941; OLIVEIRA, Ulisses Perigo.
Resumo:
The presence of microorganisms with potential zoonotic as example the helicobacter in
pets has been increasingly studied. This study aimed to investigate the presence of the
gender H. pylori and possible changes in the gastric mucosa of dogs with leishmaniasis
through different laboratory techniques, without previous history of gastric pathology.
Therefore, six stomachs of dogs of different age, race and sex, diagnosed with Leishmania,
were investigated through lymph node puncture, bone marrow and ear tip scarification.
After euthanasia stomach fragments and swabs with stomach content were collected for
histopathologic evaluation of the possible changes caused by the agent. For the
identification of H. pylori were carried out rapid urease tests, microbiological culture
followed by biochemical tests with the urease tests, catalase, oxidase, and nitrate reduction.
On the rapid urease test, only two animals were negative form to the test in the pyloric
region of microbiological culture, colonies suggestive for Helicobacter were subjected to
biochemical tests for the characterization of the agent, three animals of the six showed
biochemical characteristics of H. pylori. In histopathologic evaluation, the major changes
in the samples stained with hematoxylin and eosin were inflammatory infiltration
(lymphoplasmocytic) in the lamina propria, ranging from mild to moderate, commonly
observed changes, but without an associated cause. Based on these results, we can
conclude that dogs with Leishmania are susceptible to natural infection by H. pylori.
Additionally, it is recommended that animals positive for Leishmania which are to undergo
treatment should have their stomachs evaluated endoscopically and have samples collected
for the diagnosis of H. pylori by biochemical methods and/or microbiological culture.