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Related Concept Videos

Urodynamic Studies: Uroflowmetry01:19

Urodynamic Studies: Uroflowmetry

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Uroflowmetry is a non-invasive urodynamic test designed to measure various aspects of urination, including volume, flow rate, and the time to void. This test is crucial for diagnosing and assessing conditions such as bladder outlet obstruction, bladder dysfunction, incomplete bladder emptying, incontinence, and urinary tract blockages caused by benign prostatic hyperplasia (BPH) and urethral strictures.Pre-Test Instructions:Before a uroflowmetry test, patients are typically advised to drink...
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Urinary Bladder01:23

Urinary Bladder

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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.
In males, the bladder is situated in front of the rectum, while in females, it is positioned anterior to the vagina and uterus. The bladder floor contains an inverted triangular area called the trigone, defined by the two ureteric...
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Imaging Studies VI: Voiding Cystourethrography and Cystography01:22

Imaging Studies VI: Voiding Cystourethrography and Cystography

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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...
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Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

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IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
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Anatomy of the Genitourinary System II: Bladder and Urethra01:19

Anatomy of the Genitourinary System II: Bladder and Urethra

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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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Updated: Jul 19, 2025

Evaluation of Biomaterials for Bladder Augmentation using Cystometric Analyses in Various Rodent Models
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Development and Pilot Testing of a New Bladder Diary Format: Phase 1.

Jacinta Townsend1

  • 1Manukau Surgery Centre, Counties Manukau Health Board, Auckland, New Zealand.

Urology Practice
|August 18, 2023
PubMed
Summary

A new, user-friendly bladder diary significantly improved patient completion rates. A 3-day format proved reliable for assessing lower urinary tract symptoms, enhancing clinical practice.

Keywords:
New Zealandpatient complianceself reporturinary bladderurinary incontinence

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Area of Science:

  • Urology
  • Medical Device Development

Background:

  • Existing urinary diaries had poor completion rates and were poorly understood.
  • A need existed for a user-friendly bladder diary aligned with International Continence Society (ICS) standards.

Purpose of the Study:

  • To develop and evaluate a new, user-friendly bladder diary.
  • To assess the efficacy of a 3-day versus a 2-day diary duration for completeness.

Main Methods:

  • Expert clinicians formed a committee to determine new diary content and format.
  • A retrospective audit identified completeness as a clinical issue.
  • A convenience sample of 24 diaries was used for evaluation.

Main Results:

  • The newly developed bladder diary demonstrated a significantly higher completion rate compared to the previous format.
  • A 3-day diary duration was trialed and found to be valid, interpretable, and reliable.

Conclusions:

  • The new diary format, content, and 3-day duration align with best practice guidelines for assessing lower urinary tract symptoms.
  • User-friendly design, enhanced patient education, and sample inclusion reduced completion and compliance issues.