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Related Experiment Videos

Alveolar lavage in dogs.

N O Brown, K E Noone, I D Kurzman

    American Journal of Veterinary Research
    |February 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    This study analyzed alveolar lavage fluid from healthy dogs, finding a high proportion of macrophages and lymphocytes. Bacterial cultures were mostly negative, with rare isolation of specific canine respiratory pathogens.

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    Area of Science:

    • Veterinary Medicine
    • Pulmonary Medicine
    • Canine Research

    Background:

    • Alveolar lavage is a diagnostic technique for assessing the lower respiratory tract.
    • Understanding the cellular and microbial profile of bronchoalveolar lavage (BAL) fluid in healthy dogs is crucial for interpreting disease states.

    Purpose of the Study:

    • To characterize the cellular composition and microbial flora of bronchoalveolar lavage fluid in healthy canine subjects.
    • To establish baseline data for canine pulmonary research.

    Main Methods:

    • Bronchoalveolar lavage (BAL) was performed on 10 healthy dogs via fiberoptic bronchoscopy.
    • Recovered lavage fluid was analyzed for total and differential cell counts.
    • Bacterial cultures were conducted on the recovered fluid.

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    Main Results:

    • Average recovery of instilled saline was 79% (140 ml).
    • Mean total cell count was 6.4 x 10^6 cells/dog, predominantly macrophages (50.5%) and lymphocytes (46.0%), with few neutrophils (3.5%).
    • Bacterial cultures were negative in 80% of dogs; Bordetella bronchiseptica and Klebsiella pneumoniae were each isolated once.

    Conclusions:

    • Healthy dogs exhibit a distinct bronchoalveolar lavage fluid cellular profile, rich in macrophages and lymphocytes.
    • The lower respiratory tract of healthy dogs is generally sterile, with rare isolation of specific bacteria.