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Cloacal Prolapse in Raptors: Review of 16 Cases.

Thomas A G Dutton, Neil A Forbes, Daniel Calvo Carrasco

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    |June 18, 2016
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    Summary
    This summary is machine-generated.

    This study reviewed cloacal prolapse in raptors, finding colonic prolapse most common, especially in Red-tailed hawks. A new technique improved colon surgery outcomes, while oviductal prolapse had a guarded prognosis.

    Keywords:
    anastomosisaviancloacacloacolithcolonic intussusceptionenterotomyoviductal prolapseprolapseraptor

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    Area of Science:

    • Veterinary Medicine
    • Avian Surgery
    • Wildlife Rehabilitation

    Background:

    • Cloacal prolapse is a serious condition in raptors.
    • Understanding common presentations and complications is crucial for effective treatment.

    Purpose of the Study:

    • To review cases of cloacal prolapse in raptors.
    • To identify common types, affected species, complications, and treatment outcomes.
    • To evaluate a novel surgical technique for colonic prolapse.

    Main Methods:

    • Retrospective review of sixteen cloacal prolapse cases in raptors.
    • Analysis of prolapse type, species, surgical interventions, complications, and treatment success.
    • Description of a novel technique involving rubber tubing for colonic anastomosis.

    Main Results:

    • Colonic prolapse occurred in 56% of cases, with Red-tailed hawks (Buteo jamaicensis) being overrepresented (66%).
    • Postsurgical stricture was a common complication of colonic resection and anastomosis.
    • A novel technique using rubber tubing facilitated secure, fluid-tight colonic anastomosis with maintained lumen.
    • Oviductal prolapse (31%) had a guarded prognosis with 40% treatment success.
    • Cloacoliths (13%) were successfully treated with manual removal.

    Conclusions:

    • Colonic prolapse is the most frequent cloacal abnormality in raptors, often affecting Red-tailed hawks.
    • A novel surgical approach shows promise for improving outcomes in colonic prolapse cases.
    • Oviductal prolapse presents a significant challenge with limited treatment success.