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Effect of hydration and continuous urinary drainage on urine production in children

Marianthi Galetseli1, Panagiotis Dimitriou, Helen Tsapra

  • 1Second Department of Pediatrics, A. P. Kyriakou Children's Hospital, Athens, Greece.

Scandinavian Journal of Urology and Nephrology
|July 9, 2008
PubMed

Insights

Continuous bladder decompression via catheter drainage significantly increases urine production, doubling or tripling output. This highlights an increased fluid requirement during catheterization, necessitating early fluid administration.

Area of Science:

  • Urology
  • Pediatric Nephrology
  • Physiology

Background:

  • Urine production is influenced by various physiological factors.
  • Quantitative data on the impact of bladder decompression on urine output are lacking.
  • Continuous bladder drainage via catheterization is a common procedure.

Purpose of the Study:

  • To investigate the effect of continuous bladder decompression on urine production.
  • To quantify changes in urine volume and production rate during bladder drainage.
  • To determine fluid requirements during bladder catheterization.

Main Methods:

  • A two-stage study involving 35 children in Stage 1 and 10 in Stage 2.
  • Children received two different oral hydration schemes (290 and 580 ml/m²).
  • Continuous bladder drainage was implemented after initial voiding in Phase 2, following Phase 1.

Main Results:

  • Urine production increased significantly with hydration levels.
  • Continuous catheter drainage doubled or tripled urine output for the same hydration.
  • Diuresis from the previous phase was negligible in Stage 2.

Conclusions:

  • Continuous bladder drainage necessitates increased fluid intake.
  • Early administration of fluids is crucial during bladder catheterization.
  • Bladder decompression significantly impacts urine production dynamics.
Abstract

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