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Related Concept Videos

Disorders of the Urinary System01:20

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The urinary system is responsible for eliminating waste and excess fluids from the body. However, disorders of the urinary system can arise due to various reasons like infections, stress, age, congenital abnormalities, and lifestyle.
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Imaging Studies VI: Voiding Cystourethrography and Cystography01:22

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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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The Micturition Reflex01:26

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Urination, or micturition involves the coordination of the bladder's detrusor muscle and two sphincters to ensure controlled bladder emptying.
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Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations01:26

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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...
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Anatomy of the Genitourinary System II: Bladder and Urethra01:19

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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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Urinary Tract Infection II: Pathophysiology01:25

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The pathophysiology of urinary tract infections (UTIs) encompasses several progressive stages, beginning with bacterial colonization and culminating in potential systemic complications if untreated. UTIs are primarily initiated by bacteria, such as Escherichia coli, which often originate from the gastrointestinal tract and migrate to the urinary system through the periurethral area. This migration can occur via several routes, including improper hygiene practices, sexual activity, or...
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Assessing Urinary Tract Junction Obstruction Defects by Methylene Blue Dye Injection
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Vesicoureteral reflux and bladder dysfunction.

Hyeyoung Lee1, Yong Seung Lee1, Young Jae Im1

  • 1Department of Urology and Urological Science Institute, Yonsei University College of Medicine, Seoul, Korea.

Translational Andrology and Urology
|January 28, 2016
PubMed
Summary
This summary is machine-generated.

Vesicoureteral reflux (VUR) and bladder dysfunction are closely linked, impacting kidney health. Addressing bladder issues is crucial for preventing renal scarring in VUR patients, influencing treatment outcomes.

Keywords:
Vesicoureteral refluxbladder dysfunctionurinary tract infection

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Area of Science:

  • Pediatric Urology
  • Nephrology
  • Urodynamics

Background:

  • Vesicoureteral reflux (VUR) and bladder dysfunction are interconnected, posing risks to renal health.
  • Preventing renal scarring and preserving kidney function are primary goals in managing VUR.
  • The interplay between VUR, urinary tract infections (UTIs), and bladder dysfunction significantly contributes to renal damage.

Purpose of the Study:

  • To explore the complex relationship between bladder dysfunction and vesicoureteral reflux.
  • To elucidate the impact of bladder dysfunction on VUR prognosis and treatment outcomes.
  • To investigate the mechanisms linking bladder dysfunction, UTIs, and renal scarring.

Main Methods:

  • Review of existing literature on VUR and bladder dysfunction.
  • Analysis of factors contributing to renal scarring in VUR patients.
  • Examination of the effects of voiding and filling phase abnormalities on VUR and treatment.

Main Results:

  • Bladder dysfunction, particularly dysfunctional voiding, negatively affects VUR resolution rates and endoscopic treatment success.
  • Functional outlet obstruction and involuntary detrusor contractions are key mechanisms linking bladder dysfunction to VUR and UTIs.
  • Dysfunctional voiding is more strongly associated with renal damage in VUR than overactive bladder.

Conclusions:

  • Bladder dysfunction plays a critical role in the pathogenesis and management of VUR, influencing treatment efficacy and renal outcomes.
  • Further research is needed to clarify the direct relationship between bladder dysfunction and renal scarring, and to objectively evaluate bladder dysfunction.
  • VUR may also be a causal factor in bladder dysfunction, with potential resolution after VUR treatment.