UroToday.com - Is more, worse? Apparently, when it comes to percutaneous tracts, common sense aside, it is not. In this thought-provoking porcine study, the impact on renal duty of 16 single tract punctures into the lower pole was contrasted with effect of three nephrostomy tracts in each of 11 animals established in the upper, middle, and lower portions of the kidney. Each tract was balloon dilated to 30F. Both ureters were cannulated to provide for veridical urine bringing together and purpose of the true glomerular filtration rate (GFR). At 1.5 and 4...

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