https://doi.org/10.4081/aiua.2020.3.207
Non-invasive removal of self-locking entrapped nephrostomy tubes
Accepted: March 16, 2020
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Authors
Introduction: The removal of an encrusted nephrostomy tube can be a challenging maneuver. Urological literature is very bare in detailing techniques for removal of entrapped percutaneous catheters. We present a simple, safe and non-invasive technique of nephrostomy removal using a vascular introducer sheath, useful to manage complicated situations such as nephrostomies blocked for severe encrustations or disabled in their self-locking system.
Surgical technique: The nephrostomy tube is cut and the stump is passed with a suture needle. The suture is passed through the inner vascular introducer sheath tip, and the introducer is then removed. The introducer sheath is advanced over the nephrostomy until joining the pigtail segment, under fluoroscopy guidance. Thus the suture is pulled out with strenght to contrast the opposite stiffness of the encrusted coil, until the nephrostomy has safely come out.
Comment: The sheath exchange technique is quick, involves less manipulation through the perirenal fascia and kidney, and is suitable for different conditions of entrapped nephrostomies.
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