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Related Concept Videos

Urethra01:16

Urethra

The urethra is a hollowed tubular organ through which urine is expelled from the body. This structure extends from the bladder to the external opening, allowing urine to be released.
The anatomy of the urethra differs between males and females. In females, the urethra is short, measuring about 3–4 cm in length, and opens anterior to the vaginal opening. In males, the urethra is longer and passes through the penis, serving dual purposes: expelling urine and ejaculating semen. The male urethra is...
Anatomy of the Genitourinary System II: Bladder and Urethra01:19

Anatomy of the Genitourinary System II: Bladder and Urethra

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...
Urinary Tract Calculi VI: Surgical Management01:25

Urinary Tract Calculi VI: Surgical Management

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...
Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations01:26

Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations

Renal calculi, commonly termed kidney stones, are crystalline solid masses that form in the kidneys but can occur at any point within the urinary system, encompassing the kidneys, ureters, bladder, and urethra.The pathophysiology of renal stones involves several key factors: supersaturation of the urine with stone-forming constituents, changes in urine pH, a decrease in urine volume, and the presence of substances that promote or inhibit stone formation.Supersaturation of Urine: This is the...
Urologic Endoscopic Procedure: Cystoscopic Examination01:28

Urologic Endoscopic Procedure: Cystoscopic Examination

Meaning of Cystoscopic Examination:Cystoscopy is an essential diagnostic tool in urology that is used to assess the structure and function of the genitourinary system. It provides a direct view of the urethra, bladder, and, in some cases, the ureteral openings. This procedure helps detect structural abnormalities, infections, cancers, and blockages in the urinary tract. There are two types of cystoscopy:Flexible cystoscopy is commonly performed in outpatient settings due to its less invasive...
Urinary Tract Calculi III: Medical Management01:30

Urinary Tract Calculi III: Medical Management

The diagnosis of renal calculi involves several imaging techniques, including non-contrast CT scans and ultrasound. These methods help visualize kidney stones, assess their size and location, and detect possible obstructions. Additionally, Measuring urine pH is useful for diagnosing specific stone types, such as struvite (alkaline pH) and uric acid stones (acidic pH). Cystine stones are primarily linked to cystinuria, a genetic condition. A urinalysis helps detect blood in the urine (hematuria)...

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Related Experiment Video

Updated: May 19, 2026

Vessel-sparing Excision and Primary Anastomosis
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Vessel-sparing Excision and Primary Anastomosis

Published on: January 7, 2019

Urethral bulking: a urology perspective.

W Stuart Reynolds1, Roger R Dmochowski

  • 1Department of Urologic Surgery, Vanderbilt University Medical Center, Nashville, TN 37232-2765, USA. william.stuart.reynolds@vanderbilt.edu

The Urologic Clinics of North America
|August 11, 2012
PubMed
Summary

Urethral bulking therapy offers short-term relief for stress urinary incontinence but often yields disappointing long-term results. Careful patient selection and managing expectations are crucial for successful outcomes with this minimally invasive treatment.

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Area of Science:

  • Urology
  • Minimally Invasive Procedures

Background:

  • Stress urinary incontinence (SUI) affects many patients.
  • Urethral bulking therapy (UBT) is a minimally invasive SUI treatment option.
  • Various bulking agents exist, but none are ideal.

Purpose of the Study:

  • To evaluate the efficacy and limitations of Urethral Bulking Therapy for SUI.
  • To highlight the importance of patient selection and expectation management in UBT outcomes.

Main Methods:

  • Review of Urethral Bulking Therapy procedures for stress urinary incontinence.
  • Analysis of short-term and long-term clinical results.
  • Discussion of available bulking materials and their properties.

Main Results:

  • Short-term UBT results for SUI are generally encouraging.
  • Long-term follow-up often reveals disappointing outcomes.
  • Retreatment is frequently required after initial UBT.

Conclusions:

  • Urethral bulking therapy can be beneficial for carefully selected SUI patients.
  • Managing patient expectations is critical for successful UBT.
  • Current bulking agents have limitations impacting long-term efficacy.