Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Urodynamic Studies: Uroflowmetry

Urodynamic Studies: Uroflowmetry

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...

Imaging Studies II: Ultrasonography

Imaging Studies II: Ultrasonography

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...

Urologic Endoscopic Procedure: Cystoscopic Examination

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...

Imaging Studies VI: Voiding Cystourethrography and Cystography

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...

Nursing Assessment of the Genitourinary System III: Percussion and Auscultation

Nursing Assessment of the Genitourinary System III: Percussion and Auscultation

The genitourinary system maintains the body's fluid balance, waste excretion, and overall homeostasis. Proper assessment is essential for early detection of disorders, with percussion and auscultation integral to this evaluation. These methods help identify signs of kidney or bladder issues and provide important diagnostic clues.Percussion for Kidney TendernessPercussion is used to assess tenderness and detect kidney and bladder abnormalities. A common method for determining kidney tenderness...

Imaging Studies V: Intravenous Urography and Retrograde Pyelography

Imaging Studies V: Intravenous Urography and Retrograde Pyelography

IntroductionIntravenous Urography (IVU) and Retrograde Pyelography (RP) are important diagnostic imaging techniques used to evaluate the urinary system. These methods help identify structural abnormalities, obstructions, and functional issues in the kidneys, ureters, and bladder. Both procedures use iodine-based contrast media to enhance the visibility of urinary tract structures on X-ray images, though they differ in their methods and indications.1. Intravenous Urography (IVU)Intravenous...

You might also read

Related Articles

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

Sort by

Same author

Neurourologic Outcomes in Men With Obstructive Sleep Apnea.

Neurourology and urodynamics·2026

Same author

Motor Nerve Transfer for Voluntary Physiological Voiding: Scientific Foundations, Historical Review, and Case Report.

Neurosurgery·2025

Same author

Dynamic Analysis of the Voiding Patterns in Bladder Diaries Collected in Clinical Practice.

Neurourology and urodynamics·2025

Same author

Advances in the Treatment of Urinary Tract Infection and Bacteriuria in Pregnancy.

The Urologic clinics of North America·2024

Same author

Legends in Urology v31I04.

The Canadian journal of urology·2024

Same author

Analysis of Transurethral Resection of the Prostate Costs across New York State Hospitals Using Severity of Illness Score.

Urology practice·2023

Search research articles

Related Experiment Video

Updated: Jul 4, 2026

Ultrasonography of the Adult Male Urinary Tract for Urinary Functional Testing

Ultrasonography of the Adult Male Urinary Tract for Urinary Functional Testing

Published on: August 14, 2019

Urodynamics: what to do and when is it clinically necessary?

Matthew P Rutman¹, Jerry G Blaivas

¹Department of Urology, Weill Medical College of Cornell University, 445 East 77th Street, New York, NY 10021, USA.

Current Urology Reports

|June 4, 2008

Summary

Urodynamics helps evaluate men with lower urinary tract symptoms, distinguishing prostatic obstruction from impaired bladder contractility. This distinction is crucial for guiding effective surgical treatment in benign prostatic hyperplasia.

More Related Videos

Optimizing Mouse Urodynamic Techniques for Improved Accuracy

Optimizing Mouse Urodynamic Techniques for Improved Accuracy

Published on: June 7, 2024

Point-of-Care Kidney and Genitourinary Ultrasound in Adults: Image Acquisition

Point-of-Care Kidney and Genitourinary Ultrasound in Adults: Image Acquisition

Published on: June 21, 2024

Related Experiment Videos

Last Updated: Jul 4, 2026

Ultrasonography of the Adult Male Urinary Tract for Urinary Functional Testing

Ultrasonography of the Adult Male Urinary Tract for Urinary Functional Testing

Published on: August 14, 2019

Optimizing Mouse Urodynamic Techniques for Improved Accuracy

Optimizing Mouse Urodynamic Techniques for Improved Accuracy

Published on: June 7, 2024

Point-of-Care Kidney and Genitourinary Ultrasound in Adults: Image Acquisition

Point-of-Care Kidney and Genitourinary Ultrasound in Adults: Image Acquisition

Published on: June 21, 2024

Area of Science:

Urology
Medical Diagnostics

Background:

Lower urinary tract symptoms (LUTS) in men are common but poorly understood.
The correlation between patient-reported symptoms and objective urodynamic findings is often weak.
Distinguishing between bladder outlet obstruction and detrusor underactivity is critical for treatment selection.

Purpose of the Study:

To review the role and clinical utility of urodynamics in evaluating men with LUTS.
To discuss urodynamic techniques and their application in benign prostatic hyperplasia (BPH).
To clarify the diagnostic value of urodynamics in predicting surgical outcomes.

Main Methods:

Review of existing literature on urodynamics and LUTS.
Analysis of urodynamic techniques, including detrusor pressure/uroflow studies.
Examination of clinical outcomes related to urodynamic findings in BPH patients.

Main Results:

Urodynamic findings do not consistently correlate with LUTS severity.
Patients with prostatic obstruction show better outcomes after surgery than those with impaired detrusor contractility.
Urodynamics is the definitive method for differentiating these two conditions.

Conclusions:

Urodynamics plays a vital, though not always well-defined, role in the evaluation and treatment of men with LUTS.
The detrusor pressure/uroflow study is essential for guiding surgical decisions in BPH.
Understanding urodynamic parameters improves patient management and surgical success rates.