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Related Experiment Videos

Anorectal reflex following sphincter-saving operations

C Cortesini

    Diseases of the Colon and Rectum
    |July 1, 1980
    PubMed
    Summary

    Anal sphincter function was studied after rectal surgery. While resting pressure decreased, sphincter response to stretch helps maintain continence after pull-through excision.

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    Area of Science:

    • Colorectal Surgery
    • Anal Sphincter Physiology

    Background:

    • Anterior resection of the rectum and Bacon type pull-through operations are surgical procedures affecting rectal anatomy.
    • Assessing the functional integrity of the anal sphincters post-surgery is crucial for patient outcomes.

    Purpose of the Study:

    • To investigate the functional changes in anal sphincters after anterior resection and Bacon type pull-through surgery.
    • To evaluate the impact of these procedures on anal resting pressure and continence mechanisms.

    Main Methods:

    • Investigated anal sphincter function following anterior resection and Bacon type pull-through operations.
    • Measured anal resting pressure to assess sphincter impairment.
    • Evaluated sphincter response to stretch receptor stimulation.

    Main Results:

    • A significant decrease in anal resting pressure was observed post pull-through excision.
    • This decrease indicates an impairment in the overall sphincter muscle function.
    • Despite reduced resting pressure, the sphincter's ability to respond to stretch receptor stimulation was preserved.

    Conclusions:

    • Bacon type pull-through excision leads to impaired anal sphincter resting pressure.
    • Preserved sphincter response to stretch stimulation is vital for maintaining fecal continence after this procedure.

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