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  • Author or Editor: William H. Fales x
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Abstract

Objective—To investigate the role of bacteria in bronchoscopically diagnosed tracheal collapse in dogs by evaluating qualitative results of bacteriologic cultures.

Design—Retrospective study.

Animals—37 dogs with tracheal collapse.

Procedure—Clinical records for dogs with tracheal collapse confirmed with bronchoscopy were reviewed. A protected catheter brush was used to obtain samples for bacteriologic culture from the large airways.

Results—Results of bacterial culture were negative for 5 of 29 dogs. For 24 dogs, 1 (n = 10), 2 (6), or ≥ 3 (8) species of bacteria were isolated. Pseudomonas spp were isolated most frequently (17/29), and a single Pseudomona ssp grew in 7 samples. Other bacteria included Enterobacter spp (4/29), Citrobacter spp (3/29), and Moraxella spp, Klebsiella spp, Bordetella spp, or Acinetobacter spp (2/29 dogs each). Anaerobic and aerobic cultures yielded positive results in samples from 2 dogs. Cytologic results were available for 13 dogs with positive results of bacteriologic culture; epithelial cells were reported most commonly. Five samples had a small number of neutrophils; bacteria were identified cytologically in 2 of 5 samples that contained neutrophils. Bacteria were also seen in 2 samples that lacked inflammatory cells.

Conclusions and Clinical Relevance—Bacteria are commonly isolated from samples obtained via airway brushing in dogs with tracheal collapse; however, in the absence of cytologic confirmation of inflammation or infection, an association between bacteria and clinical signs of tracheal collapse cannot be established. (J Am Vet Med Assoc 2001;219:1247–1250)

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in Journal of the American Veterinary Medical Association
History

An adult sexually intact male feral cat of unknown age was evaluated by a veterinarian in southern Missouri in late April because of anorexia, dehydration, and fever (rectal temperature, 39.6°C [103.3°F]) of unknown duration. Serologic testing revealed that the cat had no circulating FeLV antigen or antibodies against FIV. The cat died 4 days later despite administration of enrofloxacin SC and administration of fluid therapy SC. The body was submitted for necropsy examination.

Clinical and Gross Findings

No other clinical tests had been performed prior to death. At necropsy, the cat was in good body condition with adequate body

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in Journal of the American Veterinary Medical Association