Related Experiment Video
Updated: Jul 4, 2026
05:25
Ultrasonography of the Adult Male Urinary Tract for Urinary Functional Testing
Published on: August 14, 2019
[Uroflowmetry and flow pressure study parameters in urogynecology patients]
Emerson de Oliveira1, Leonardo Robson Pinheiro Sobreira Bezerra, Maíta Poli de Araújo
1Departamento de Ginecologia da Escola Paulista de Medicina, setor de Uroginecologia e Cirurgia Vaginal da Universidade Federal de São Paulo - EPM / UNIFESP, São Paulo, SP. emerson.gineco@unifesp.epm.br
Revista Da Associacao Medica Brasileira (1992)
|May 29, 2008
Summary
Urine flow rates and detrusor pressure decline with age in women. Urinary stress incontinence and intrinsic sphincter deficiency are linked to lower voiding detrusor pressure.
Area of Science:
- Urology
- Gynecology
- Gerontology
Context:
- Lower urinary tract dysfunction (LUTD) significantly impacts women's quality of life.
- Urodynamic studies (US) are crucial for diagnosing LUTD.
- Age and specific diagnoses influence bladder function parameters.
Purpose:
- To assess how age and urodynamic diagnosis affect urine flow rates and detrusor pressure in women with LUTD symptoms.
- To analyze the relationship between age groups and voiding efficiency.
- To compare detrusor pressure in patients with different urodynamic findings.
Summary:
- A retrospective analysis of 205 women revealed a significant age-related decline in urine flow rates and opening detrusor pressure.
- Flow rates decreased more notably in older age groups (45-60 and >60 years) compared to younger women (<45 years).
- Women diagnosed with urinary stress incontinence or intrinsic sphincter deficiency exhibited lower voiding detrusor pressure than asymptomatic individuals.
Impact:
- Findings highlight the impact of aging on female voiding function.
- Identifies specific conditions (stress incontinence, intrinsic sphincter deficiency) associated with reduced voiding pressure.
- Provides valuable data for understanding and managing LUTD in aging women.
More Related Videos
Related Concept Videos
01:19Urodynamic 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...
01:22Imaging 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...
01:22Imaging 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...
01:24Imaging 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...
01:29Physiology of the Genitourinary System I: Renal Blood Flow and Glomerular Filtration
The kidneys are vital organs responsible for regulating blood filtration, waste excretion, and fluid balance, all of which are crucial for maintaining homeostasis. Renal physiology examines renal blood flow, glomerular filtration, and urine formation, ensuring the body’s internal environment remains stable.Renal Blood FlowThe kidneys receive about 20-25% of the cardiac output, typically around 1200 mL of blood per minute in an average adult. Blood flows into the kidneys through the renal...
01:28Urologic 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...