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A prospective study of bladder function following aortic surgery.

K Y Kwok, A R Blacklock, B R Bullen

    British Journal of Urology
    |August 1, 1986
    PubMed
    Summary
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    Aortic surgery may impact bladder function by affecting sympathetic nerves, leading to improved urinary flow in many patients. This study suggests the effects are not serious and unlikely to damage parasympathetic nerves.

    Area of Science:

    • Urology
    • Vascular Surgery
    • Neuroscience

    Background:

    • Aortic surgery, for aneurysmal or occlusive disease, carries potential risks to autonomic nerve function.
    • The impact of aortic surgery on lower urinary tract function, specifically bladder control, requires detailed investigation.

    Purpose of the Study:

    • To prospectively assess the effects of aortic surgery on bladder function.
    • To differentiate the impact on parasympathetic versus sympathetic nerve supply to the lower urinary tract.

    Main Methods:

    • Prospective study of 24 patients undergoing aortic surgery.
    • Post-operative follow-up at 3 months, including assessment of bladder function and urodynamic parameters.
    • Evaluation of urinary flow, maximal urethral pressure, and detrusor stability.

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    Main Results:

    • Aortic surgery is unlikely to damage parasympathetic nerves controlling the bladder.
    • A significant percentage of patients experienced improved urinary flow and decreased maximal urethral pressure post-surgery.
    • These improvements suggest damage to the sympathetic nerve supply to the lower urinary tract.

    Conclusions:

    • Aortic surgery primarily affects sympathetic, not parasympathetic, nerves innervating the bladder.
    • Observed changes in bladder function post-aortic surgery are generally not of serious clinical significance.