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Changes in canine bladder perfusion with distension

C J Nemeth, R M Khan, P Kirchner

    Investigative Urology
    |September 1, 1977
    PubMed
    Summary
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    Canine bladder perfusion decreased slightly with distension, particularly in the mucosa. Dome and trigone regions showed no difference in blood flow during these conditions.

    Area of Science:

    • Urology
    • Physiology
    • Medical Imaging

    Background:

    • Bladder perfusion is crucial for maintaining tissue health and function.
    • Understanding how bladder distension affects blood flow is important for diagnosing and treating various urological conditions.

    Purpose of the Study:

    • To investigate the effects of bladder distension on canine bladder perfusion.
    • To measure blood flow in different regions of the canine bladder under flaccid and distended states.

    Main Methods:

    • Utilized a radioisotope-labeled microsphere technique for precise blood flow measurement.
    • Assessed canine bladder perfusion in both flaccid and distended conditions.
    • Compared blood flow in the dome and trigone regions of the bladder.

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    Main Results:

    • A slight overall decrease in total bladder blood flow was observed with distension.
    • A relative decrease in bladder mucosal blood flow occurred during bladder distension.
    • No significant difference in perfusion was found between the dome and trigone regions.

    Conclusions:

    • Bladder distension leads to a reduction in overall and mucosal blood flow in canines.
    • The distribution of blood flow between the bladder dome and trigone remains consistent despite distension.
    • These findings contribute to understanding the physiological responses of the bladder to filling.