Are Emergently Placed Nephrostomy Tubes Suitable for Subsequent Percutaneous Endoscopic Renal Surgery?

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Journal Article

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© 2019 Elsevier Inc. Objective: To determine the percentage of emergently placed nephrostomy tubes (NT) that were subsequently deemed usable for definitive percutaneous nephrolithotomy or percutaneous antegrade ureteroscopy in patients presenting with nephrolithiasis. Methods: A multi-institutional retrospective database review was completed to identify patients who underwent emergent NT placement and then subsequent percutaneous nephrolithotomy or percutaneous antegrade ureteroscopy. Demographic, operative, and postoperative data were collected. Complications were classified using the Clavien-Dindo system. Results: A total of 36 patients with 41 NTs met inclusion criteria. Indications for emergent NT placement were: obstruction with evidence of urinary tract infection/pyelonephritis (61%) and obstruction with acute kidney injury (39%). After recovery from the acute event and NT placement and during subsequent percutaneous surgical procedures, 9 NTs (22%) were sufficient without need for additional percutaneous access, 2 NTs (5%) were partially sufficient and were used in conjunction with an additional percutaneous access tract, and 30 NTs (73%) were unusable. Conclusion: In this multi-institutional review, only 22% of NTs placed for emergent indications were sufficient for subsequent percutaneous surgery without the creation of additional percutaneous tracts. Urologists should be prepared to obtain additional access during definitive percutaneous renal surgery in patients who have had a tube placed under emergent conditions.

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