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Related Experiment Videos

Prognosis of radiologically non-functioning obstructed kidneys.

S A Taha1, S Al-Mohaya, A Abdulkader

  • 1Division of Urology, College of Medicine and Medical Sciences, King Faisal University, Dammam, Saudi Arabia.

British Journal of Urology
|September 1, 1988
PubMed
Summary

Predicting kidney recovery after obstruction is challenging. Percutaneous nephrostomy offers valuable prognostic information before definitive treatment for non-functioning, obstructed kidneys.

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Area of Science:

  • Nephrology
  • Radiology
  • Urology

Background:

  • Unilateral non-functioning obstructed kidneys pose diagnostic challenges.
  • Accurate prediction of renal recovery post-obstruction relief is crucial for treatment planning.

Purpose of the Study:

  • To evaluate the reliability of imaging modalities (ultrasonography, radionuclide imaging, CT scan) in predicting kidney recoverability.
  • To assess the utility of percutaneous nephrostomy for prognostic information in obstructed kidneys.

Main Methods:

  • Excretory urography (IVU) identified 20 patients with unilateral non-functioning obstructed kidneys.
  • Pre-operative imaging (ultrasonography, radionuclide imaging, CT scan) was performed.
  • Percutaneous nephrostomy was used in 7 patients to monitor kidney function before definitive treatment.

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Main Results:

  • Imaging techniques (ultrasonography, radionuclide imaging, CT scan) were unreliable in predicting renal recovery.
  • Post-obstruction re-evaluation showed limited predictability based on pre-operative imaging.
  • Percutaneous nephrostomy provided useful daily functional data.

Conclusions:

  • Standard imaging modalities are insufficient for predicting recoverability of obstructed kidneys.
  • Percutaneous nephrostomy is a valuable tool for obtaining prognostic information prior to definitive surgical intervention.