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Related Experiment Videos

Lower urinary tract function in vesicoureteral reflux.

J B Nielsen1

  • 1Urological Department K, Aarhus Kommunehospital, Denmark.

Scandinavian Journal of Urology and Nephrology. Supplementum
|January 1, 1989
PubMed
Summary
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Vesico-ureteral reflux patients with abnormal bladder activity, particularly bladder instability, show a higher risk of developing kidney damage (reflux nephropathy). Normal urodynamics is linked to better kidney health.

Area of Science:

  • Pediatric Urology
  • Nephrology
  • Urodynamics

Background:

  • Vesico-ureteral reflux (VUR) is a common condition in children, potentially leading to kidney damage.
  • Urodynamic studies are crucial for assessing bladder function in VUR patients.
  • The relationship between bladder dysfunction and the development of reflux nephropathy requires further elucidation.

Purpose of the Study:

  • To investigate the urodynamic findings in children with vesico-ureteral reflux.
  • To determine the correlation between urodynamic abnormalities and the presence of reflux nephropathy.
  • To assess the impact of bladder instability and urethral overactivity on kidney damage in VUR.

Main Methods:

  • Sixty patients with VUR underwent comprehensive urodynamic investigations.

Related Experiment Videos

  • Methods included video voiding cystourethrography, cystometry, and pressure flow studies.
  • Urodynamic assessments focused on identifying bladder instability, urethral overactivity, and infravesical obstruction.

    • Main Results:

    • Bladder instability was diagnosed in 33 patients, decreasing with age.
    • 52 patients had normal voiding, while 6 showed urethral overactivity.
    • Pathological urodynamics correlated with a higher incidence of nephropathy, especially severe bladder instability in high-grade VUR.

    Conclusions:

    • Abnormal bladder activity, particularly instability, is significantly associated with reflux nephropathy in VUR.
    • Urodynamic assessment is vital for identifying patients at risk of kidney damage.
    • The severity of bladder instability correlates with the severity of reflux nephropathy in high-grade VUR.