Inadvertent Discontinuation of Percutaneous Nephrostomy Catheters in Adult Native Kidneys: Incidence and Percutaneous Management
Section snippets
MATERIALS AND METHODS
A retrospective review was performed of charts and radiology reports of all adult patients who underwent nephrostomy catheter placement in native (ie, nontransplanted) kidneys between January 2000 and December 2005. Patients who underwent nephroureteral stent placement were not included in the study. A research subject review board exemption was obtained under the category of secondary use of preexisting data.
RESULTS
A total of 329 adult patients underwent 385 PCN catheter or percutaneous nephroureteral stent placement procedures. Forty-six patients with 60 nephroureteral stents (30% bilateral) were excluded from the study. The remaining 283 patients underwent 325 PCN catheter placements (tip of nephrostomy drain/catheter in the pelvicaliceal system of the kidney) during the study period. There were 150 women and 133 men, with a mean age of 61 years (range, 18–97 y). Forty-two patients (15%) underwent
DISCUSSION
Technical and short-term postprocedural success are achieved in more than 90% of PCN cases (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14). However, inadequate drainage resulting from mechanical problems with indwelling catheters after PCN is not uncommon and can be frustrating (1, 2, 3). Mechanical problems leading to catheter malfunction are classified into catheter blockage, dislodgment, and catheter/pericatheter urine leaks (2). Maintenance of these drainage catheters for prolonged periods
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M.G.D. is an unpaid speaker for Boston Scientific, Natick, MA. None of the other authors have identified a conflict of interest.