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