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Related Experiment Videos

Urinary prostaglandins and renal function in obstructive jaundice.

M Uemura1, T Tsujii, H Fukui

  • 13rd Dept. of Internal Medicine, Nara Medical University, Japan.

Scandinavian Journal of Gastroenterology
|August 1, 1989
PubMed
Summary

Obstructive jaundice impairs kidney function, increasing prostaglandin E2 (PGE2) and angiotensin II (AII). Drainage improves these levels, suggesting PGE2 supports renal circulation in jaundice.

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Area of Science:

  • Nephrology
  • Endocrinology
  • Gastroenterology

Background:

  • Obstructive jaundice is associated with renal dysfunction.
  • The renin-angiotensin system plays a role in regulating renal function.

Purpose of the Study:

  • To investigate the relationship between urinary prostaglandin E2 (PGE2), renal function, and the renin-angiotensin (R-A) system in patients with obstructive jaundice.

Main Methods:

  • Studied 12 patients with obstructive jaundice before and after percutaneous biliary drainage.
  • Measured urinary PGE2, 6-keto PGF1 alpha, thromboxane (TXB2), creatinine clearance (CCr), and plasma angiotensin II (AII).
  • Analyzed correlations between these parameters.

Main Results:

  • Before drainage, patients had lower CCr and higher PGE2 and AII levels compared to normal subjects.

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  • After drainage, CCr, PGE2, and AII normalized.
  • PGE2 correlated negatively with CCr and positively with AII.
  • 6-Keto PGF1 alpha correlated with serum total bilirubin.

    • Conclusions:

    • Prostaglandin E2 (PGE2) is closely linked to the renin-angiotensin (R-A) system in obstructive jaundice.
    • PGE2 may help maintain renal circulation in the context of obstructive jaundice.