Findings from thoracic radiographs of dogs and cats with tick toxicity

Day, Jane, and Schull, Daniel (2008) Findings from thoracic radiographs of dogs and cats with tick toxicity. Australian Veterinary Practitioner, 38 (3). pp. 86-91.

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Lateral thoracic radiographs of 75 dogs and 16 cats with tick toxicity, sequentially presented to a veterinary hospital, were examined for evidence of megaoesophagus and lung changes, specifically for evidence of aspiration pneumonia, pulmonary oedema, a bronchial pattern and dilation of the right cranial lobar pulmonary vein. In dogs, the two most frequent changes were pulmonary vein dilation (38%) and a bronchial pattern (25%), followed by megaoesophagus (17%), aspiration pneumonia (7%) and pulmonary oedema (1 %). Sixty-four percent of dogs had at least one of these findings, and 18% had at least two findings. The mean pulmonary artery to pulmonary vein ratio of all dogs measured was 0.97 (normal=1). In those with dilation of the pulmonary vein the ratio was 0.7. These findings indicated that many (38%) dogs had early signs of pulmonary congestion. The thoracic radiographs from this group of cats were unremarkable, except for one cat with pulmonary vein dilation.

Item ID: 5989
Item Type: Article (Research - C1)
ISSN: 0310-138X
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Date Deposited: 27 Jan 2010 23:06
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