Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Catheter as source of error in urodynamic study

M Koraitim

    Urology
    |August 1, 1982
    PubMed
    Summary
    This summary is machine-generated.

    Introducing a fine catheter into the urethra causes muscle contractions in rabbits. Urodynamic studies require a 15-minute waiting period after catheter insertion for accurate results.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    Transurethral ultrasonographic assessment of bladder carcinoma: its value and limitation.

    The Journal of urology·1995
    Same author

    Preservation of urosexual functions after radical cystectomy.

    Urology·1992
    Same author

    Treatment of primary nocturnal enuresis by oral androgen mesterolone. A clinical and cystometric study.

    Urology·1990
    Same author

    Mechanism of continence after transpubic urethroplasty.

    Urology·1986
    Same author

    A new retropubic retrourethral approach for large vesico-urethrovaginal fistulas.

    The Journal of urology·1985
    Same author

    Anterior bladder tube: 4 forms for incontinence of different etiology.

    The Journal of urology·1985

    Area of Science:

    • Urology
    • Physiology

    Background:

    • Urodynamic studies are essential for diagnosing bladder dysfunction.
    • Catheterization is a common procedure in urodynamics.
    • The physiological response to catheterization requires further investigation.

    Purpose of the Study:

    • To investigate the immediate electromyographic effects of fine catheter introduction on the urethral wall in rabbits.
    • To determine the duration of muscular response to urethral catheterization.

    Main Methods:

    • Electromyography (EMG) was used to record electrical activity.
    • Fine catheters were introduced into the urethral wall of rabbits.
    • Electrical activity was monitored from the external sphincter and bladder neck.

    Main Results:

    Related Experiment Videos

    • Catheter introduction elicited increased electrical activity (biphasic potentials) in the external sphincter and bladder neck.
    • These potentials indicated active muscular contraction.
    • The contractions persisted for approximately 14 minutes before subsiding.

    Conclusions:

    • Catheterization induces a transient, measurable muscular response in the urethral sphincter and bladder neck.
    • A waiting period of at least 15 minutes post-catheterization is recommended before commencing urodynamic measurements to ensure data accuracy.