ESTIMATION OF RENAL FUNCTION RESERVE IN PERCUTANEOUS NEPHROLITHOTOMY OF CORAL NEPHROLITHIASIS
- Authors: Khasigov A.V.1, Belousov I.I1, Kogan M.I1
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- Issue: No 6 (2012)
- Pages: 70-73
- Section: Articles
- URL: https://journals.eco-vector.com/1728-2985/article/view/279643
- ID: 279643
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Abstract
From November 2010 to December 2011, 56 patients with coral nephrolithiasis underwent percutaneous nephrolithotomy. To assess the renal function before surgery and before discharge (6 to 7 days after surgery), glomerular filtration rate (GFR) by Cockcroft-Gault equation was defined. Preoperative renal functional reserve was evaluated by method using a single oral loading of protein drugs. 46.4% of patients have decreased GFR before surgery, and before discharge the proportion of such patients was 39.3%. In 80% of patients with reduced GFR, postoperative filtering function of the kidneys in response to a protein load was increased, but did not reach the pre-operative no-load values, and in 7.5% of cases corresponded to a load indicators. Filtering function of the kidneys before discharge below baseline and load levels was observed only in 8.9% of cases. The data obtained in most cases allowed to predict GFR decline in the postoperative period in patients with coral nephrolithiasis. 87.5% of patients before surgery were characterized by the absence of renal functional reserve, but in 28.6% of patients in the postoperative period there was an increase in GFR, indicating the positive impact of endoscopic percutaneous nephrolithotomy on the functional state of the kidneys in the immediate postoperative period.
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References
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