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Procedures for Kidney StonesMedical intervention is necessary when kidney stones or renal calculi are too large to pass spontaneously (typically greater than 5 millimeters) when stones are accompanied by symptomatic infection (such as fever or pyelonephritis), when they impair kidney function, or when they cause persistent symptoms like severe pain, nausea, or urinary retention. Additionally, patients with only one kidney or those who cannot be treated with medical management also require...
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The genitourinary system is critical to maintaining fluid balance, waste elimination, and reproductive function. Nurses play a vital role in assessing this system, beginning with a thorough health history. This process involves gathering patient information, identifying risk factors, and recognizing symptoms of genitourinary disorders. Early detection is vital for timely interventions and management.1. Gathering Patient InformationA complete health history includes the patient’s personal,...
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The lower urinary system consists of the urinary bladder and urethra, which are essential in storing and expelling urine from the body. Together with the internal and external sphincters, these structures work together to regulate urination effectively.Anatomy of the BladderThe urinary bladder is a muscular, stretchable organ behind the pubic bone and in front of the rectum. In females, the bladder is positioned anterior to the vagina and inferior to the uterus, while in males, it is located...
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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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Related Experiment Video

Updated: Apr 25, 2026

Detrusor Underactivity Model in Rats by Conus Medullaris Transection
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Urodynamics before stress urinary incontinence surgery.

Sanne A L van Leijsen1, Bianca B Mengerink, Kirsten B Kluivers

  • 1Radboud University Medical Centre, Nijmegen, the Netherlands.

Current Opinion in Obstetrics & Gynecology
|August 14, 2014
PubMed
Summary

Preoperative urodynamics do not improve outcomes for women undergoing stress urinary incontinence surgery. Routine use is not advised, reserving urodynamic evaluation for specific clinical questions or when it may alter treatment decisions.

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Area of Science:

  • Urology
  • Gynecology
  • Pelvic Floor Disorders

Background:

  • Surgical management is common for stress urinary incontinence (SUI).
  • The role of multichannel urodynamic investigation before surgery remains debated.
  • Evidence on the benefit of preoperative urodynamics is evolving.

Purpose of the Study:

  • To review recent evidence on the utility of multichannel urodynamic investigation before surgical management of SUI.
  • To evaluate the impact of preoperative urodynamics on surgical outcomes and treatment plans.

Main Methods:

  • Review of recent evidence, including two large randomized controlled trials.
  • Analysis of outcomes in women with uncomplicated SUI undergoing surgery.
  • Assessment of urodynamic parameters associated with surgical success.

Main Results:

  • Preoperative urodynamics did not improve surgical outcomes in women with uncomplicated SUI.
  • Urodynamics rarely altered surgical plans in this patient group.
  • Low urethral closure pressure and detrusor overactivity were linked to poorer SUI symptom cure rates post-surgery.

Conclusions:

  • Routine preoperative urodynamics are not recommended for women with uncomplicated SUI.
  • Urodynamic evaluation may not significantly alter treatment plans or improve outcomes.
  • Consider urodynamics only for specific clinical questions or when results influence treatment choice.