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Renal function after nephron-sparing surgery for renal tumors.
Roman Sosnowski1, Małgorzata Benke2, Tomasz Demkow1
1Urooncology Department, Maria Skłodowska-Curie, Memorial Cancer Hospital, Warsaw, Poland.
Central European Journal of Urology
|March 1, 2014
Summary
Nephron sparing surgery (NSS) for kidney tumors rarely causes significant renal function decline. Most patients maintain stable kidney function after this kidney-preserving surgical approach.
Area of Science:
- Nephrology
- Urologic Oncology
- Surgical Innovation
Background:
- Nephron sparing surgery (NSS) is increasingly used for renal tumors.
- Assessing long-term renal function post-NSS is crucial for patient outcomes.
Purpose of the Study:
- To evaluate renal function changes in patients after NSS for kidney tumors.
- To identify potential risk factors affecting renal function post-surgery.
Main Methods:
- Dynamic renal scintigraphy performed pre- and post-surgery (12-month interval).
- Assessment of renographic curves, creatinine levels, and glomerular filtration rate (GFR).
Main Results:
- Mean GFR showed a non-significant decrease (-5.1 ml/min/1.73 m²).
- Significant renal function deterioration observed in 20% of patients; 60% showed no change.
- Relative GFR share of the operated kidney decreased by 3.8% (p<0.005).
Conclusions:
- Deterioration of renal function after NSS is uncommon.
- NSS appears to be a safe procedure for preserving kidney function in the long term.
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