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Related Concept Videos

The Micturition Reflex01:26

The Micturition Reflex

Urination, or micturition involves the coordination of the bladder's detrusor muscle and two sphincters to ensure controlled bladder emptying.
The process begins with bladder filling, where the bladder wall stretches as urine accumulates. This stretching activates the urine storage reflex, mediated by the sacral spinal segments and the pontine storage center. Efferent sympathetic impulses stimulate the detrusor muscle to relax and the internal urethral sphincter to contract, facilitating urine...
Urinary Bladder01:23

Urinary Bladder

The urinary bladder is a hollow, muscular sac that temporarily stores urine before it is expelled from the body. It can hold approximately 600 mL of urine prior to micturition. The bladder is retroperitoneal and located behind the pubic symphysis in the pelvic floor.
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Imaging Studies VI: Voiding Cystourethrography and Cystography01:22

Imaging Studies VI: Voiding Cystourethrography and Cystography

Voiding Cystourethrography (VCUG) and Cystography are specialized radiographic procedures used to examine the structure and function of the bladder and urethra.Voiding Cystourethrography (VCUG)A Voiding Cystourethrogram (VCUG) is a diagnostic imaging procedure that assesses the anatomy and function of the lower urinary tract. It focuses on the bladder, bladder neck, and urethra, helping detect abnormalities such as vesicoureteral reflux (VUR)—the backward or reverse flow of urine into the...
Urodynamic Studies: Uroflowmetry01:19

Urodynamic Studies: Uroflowmetry

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Related Experiment Video

Updated: Jul 19, 2026

Implantation Surgery for Abdominal Vagus Nerve Stimulation and Recording Studies in Awake Rats
07:17

Implantation Surgery for Abdominal Vagus Nerve Stimulation and Recording Studies in Awake Rats

Published on: January 19, 2024

Sacral nerve stimulation for the management of voiding dysfunction.

A K Das, M D White, P A Longhurst

    Reviews in Urology
    |September 21, 2006
    PubMed
    Summary

    Sacral nerve stimulation (SNS) offers a new, minimally invasive treatment for refractory voiding dysfunction, including urge incontinence and urinary retention, when other therapies fail. This review evaluates the efficacy, risks, and benefits of SNS for challenging bladder control issues.

    Related Experiment Videos

    Last Updated: Jul 19, 2026

    Implantation Surgery for Abdominal Vagus Nerve Stimulation and Recording Studies in Awake Rats
    07:17

    Implantation Surgery for Abdominal Vagus Nerve Stimulation and Recording Studies in Awake Rats

    Published on: January 19, 2024

    Area of Science:

    • Urology
    • Neurology
    • Pelvic Health

    Background:

    • Voiding dysfunction, including urge incontinence and chronic urinary retention, presents significant challenges in patient management.
    • Conservative therapies like medication, pelvic floor rehabilitation, and catheterization are often insufficient for refractory cases.

    Purpose of the Study:

    • To critically review the role of Sacral Nerve Stimulation (SNS) in managing refractory voiding dysfunction.
    • To evaluate the efficacy, risks, and benefits of SNS as a therapeutic alternative.

    Main Methods:

    • Literature review of studies on Sacral Nerve Stimulation for voiding dysfunction.
    • Critical analysis of existing data on treatment outcomes, safety, and patient selection.

    Main Results:

    • Sacral nerve stimulation (SNS) is a reversible, minimally invasive option for patients with persistent voiding issues.
    • Evidence suggests SNS can be effective for conditions like overactive bladder and non-obstructive urinary retention.

    Conclusions:

    • Sacral nerve stimulation presents a viable and attractive option for patients with refractory voiding dysfunction.
    • Further evaluation of long-term outcomes and cost-effectiveness of SNS is warranted.