Abstract
Despite the modern advancement in endourology, percutaneous nephrostomy play an important role in many urologic conditions, which of the most important is the relief of upper urinary tract in patients with malignancies that interests the ureter or the uretero-vesical junction. The aim of the study is to compare the complications of polyurethane and silicone catheters used for percutaneous nephrostomy in patients with unilateral or bilateral uretero-hydronephrosis secondary to locally advanced abdomino-pelvin malignancies. We have retrospective analyzed 164 patients (p), admitted between January 2013 and December 2016 in Urology Department Sibiu, who benefit from unilateral or bilateral percutaneous nephrostomy for secondary uretero-hydronephrosis with acute renal failure.
Highlights
Despite the modern advancement in endourology percutaneous nephrostomy play an important role in many urologic conditions, which of the most important is the relief of upper urinary tract in patients with malignancies that interests the ureter or the uretero-vesical junction
Polyurethane nephrostomy catheters were used in 54.2% p (89/164)
When talking about the obstructed catheter the result can be explained by the fact that the lumen of a 12 Fr silicone catheter is smaller than a 12 Fr polyurethane catheter, same for the 14 Fr catheter (Fig. 1)
Summary
Despite the modern advancement in endourology percutaneous nephrostomy play an important role in many urologic conditions, which of the most important is the relief of upper urinary tract in patients with malignancies that interests the ureter or the uretero-vesical junction. Malignant urinary obstruction can be secondary to extrinsic tumor compression, direct tumor invasion or an intrinsic genitourinary (GU) malignancy. One large study reported malignant obstruction as the indication for over 60% of all nephrostomies [1]. Percutaneous nephrostomy is a gentle procedure associated with high technical success and low morbidity. The complications of percutaneous nephrostomy consists in urinary tract infection, catheter dislodgement, catheter obstruction by debris, urinary leakage and inflammation of the skin at the site of insertion of the percutaneous catheter [2]
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