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Related Experiment Videos

Urinary changes in patients following restorative proctocolectomy

K Arai1, T Fukushima, A Sugita

  • 1Second Department of Surgery, Yokohama City University Hospital, Japan.

Surgery Today
|January 1, 1997
PubMed
Summary
This summary is machine-generated.

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Patients with J-pouches show temporary urinary changes after surgery, but kidney function recovers within a year. Ileostomy patients experience persistent changes, and citrate treatment can prevent urinary stones.

Area of Science:

  • Urology
  • Gastroenterology
  • Nephrology

Background:

  • Restorative proctocolectomy removes the large intestine, impairing water and electrolyte absorption.
  • The kidneys and ileal pouch are crucial for maintaining water and electrolyte balance post-surgery.
  • Ileal pouch reservoir function may influence urinary adaptation.

Purpose of the Study:

  • To investigate urinary output and electrolyte changes in patients with J-pouches.
  • To compare urinary adaptation between J-pouch, ileostomy, and healthy control groups.
  • To assess the long-term functional adaptation of urinary changes after restorative proctocolectomy.

Main Methods:

  • Urinary output, pH, and electrolytes were measured at 1 month, 6 months, and 1 year post-surgery.

Related Experiment Videos

  • Study included patients with J-pouches (n=30), ileostomies (n=11), and healthy controls (n=22).
  • Urinary uric acid levels and the effect of citrate treatment were analyzed.

    • Main Results:

    • J-pouch patients showed lower urinary output, pH, and sodium at 1 month, normalizing by 1 year.
    • Ileostomy patients exhibited persistently lower urinary output, pH, and sodium compared to controls.
    • Both surgical groups had higher urinary uric acid; citrate normalized aciduria and potentially prevented stones.

    Conclusions:

    • J-pouch surgery allows for significant urinary adaptation and recovery of kidney function over one year.
    • Ileostomy leads to more persistent urinary changes, highlighting the importance of the ileal pouch.
    • Citrate supplementation is effective in managing aciduria and preventing urinary uric acid stones in these patients.