Compressão traqueal como método auxiliar no diagnóstico radiológico do colapso de traquéia cervical
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Data
2005
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Resumo
Tracheal collapse is generally a syndrome of small-breed dogs that is
occasionally reported in larger breeds or other species. It is characterized
by weakening and loss of adequately support dynamic intraluminal
pressure changes. The diagnosis bases on the clinical signs and in the
exams of ray-x, fluoroscopy, ultrasonography and
tracheobronchoscopy. Forty adult small dogs of different breeds,
twenty health and twenty with suspicion of that tracheal collapse.
They had the cervical and thoracic areas x-rayed in lateral projections
with and without ventral compression of the trachea. The light pressure in the cervical trachea was accomplished in the thoracic inlet with a
“eraser pear” adapted in a glass stem during the radiographic
examination. The twenty animals without abnormalities of the airways
presented subtle changes in the diameter traqueal independent or not
of the compression. The suspicious dogs of collapse presented or no
narrowing of this organ depending on the breathing phase in that
they were during the radiographic projection not allowing definitive
diagnosis. However when all animals of this group were submitted
to the technique of compression of the trachea they presented local
narrowing of this organ characterizing tracheal collapse. The method
was shown efficient, practical and safe in the diagnosis of cervical
tracheal collapse. Besides to eliminate the need of x-rays in different
moments of the breathing cycle and not to represent additional costs.
Descrição
Palavras-chave
Colapso, Traqueia, Radiografia, Cão, Collapse, Trachea radiography, Dog
Citação
CANOLA, Júlio Carlos; BORGES, Naida Cristina. Compressão traqueal como método auxiliar no diagnóstico radiológico do colapso de traquéia cervical. Brazilian Journal of Veterinary Research and Animal Science, São Paulo, v. 42, n. 6, p. 414-418, 2005.