Functional Loss of the Kidney After Nephron-Sparing Surgery
Author Information
Author(s): Ofer Nativ, Levi Amos, Farfara Roy, Halachmi Sarel, Moskovitz Boaz
Primary Institution: Bnai Zion Medical Center
Hypothesis
What are the predictors of renal function loss after nephron-sparing surgery?
Conclusion
Careful hemostasis, minimal duration of arterial clamping, and the use of tissue adhesives are associated with better preservation of kidney function after surgery.
Supporting Evidence
- The average decrease in renal function was 10.5% ± 2.6% after surgery.
- Estimated blood loss over 40 mL was associated with a significant decrease in kidney function.
- Warm ischemia time longer than 20 minutes led to a greater functional loss.
- Older patients had a higher decrease in kidney function compared to younger patients.
- Using tissue adhesives for tumor bed closure resulted in less functional loss than traditional sutures.
Takeaway
This study looked at how surgery affects kidney function and found that certain factors, like how much blood is lost during surgery, can make a big difference.
Methodology
The study used quantitative SPECT of 99m Tc-DMSA to evaluate kidney function before and after surgery in 113 patients.
Potential Biases
Potential bias due to the retrospective design and lack of control for other important variables.
Limitations
The study is limited by its retrospective nature, small sample size, and data obtained from a single institution.
Participant Demographics
66 males and 47 females with a mean age of 58.7 years.
Statistical Information
P-Value
0.0003
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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