Radiology, Vol 147, 419-426, Copyright © 1983 by Radiological Society of North America

ARTICLES

Redefinitions of indications for percutaneous nephrostomy

EK Lang and ET Price

An analysis of treatment response in 215 patients treated by percutaneous nephrostomy identified obstruction of the urinary tract, complicated by infection and sometimes gram-negative septicemia, as the single most important indication for this intervention. Percutaneous nephrostomy reduced the mortality from gram-negative septicemia from 40% to 8%. Similarly, the length of hospitalization for patients with severe infection complicating urinary tract obstruction was reduced by half in the group undergoing percutaneous nephrostomy. In 43 patients with longstanding obstruction, percutaneous nephrostomy was used to predict recoverable renal function based on the response of renal plasma flow rate to decompression. In 13 patients, percutaneous nephrostomies were used either for the introduction of solvents to dissolve calculi or to serve as pathways for their extraction. Percutaneous nephrostomies in 21 patients were expanded to serve as points of entry for the placement of stent catheters to treat fistulas or bougie catheters to dilate and subsequently catheterize ureteral strictures. While six serious complications were encountered, five of these might have been prevented by meticulous adherence to proper technique.

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