Using a multi-institutional database, patients who had PCNLs performed with NTs placed by IR were identified and retrospectively analyzed. All operative and post-operative data were obtained and used. To determine the level and types of complications for this procedure, a Clavien-Dindo system was used. The success of using NT to obtain access was defined as usable or unusable, depending if stone intervention was accomplished through the tube.
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Sine there was a low percentage of procedures that successfully used a NT placed by IR to carry out a PCNL without additional tracts, Dr. Cobb concluded that the operative team still requires new percutaneous access regardless if there is already a NT placed. It is important to bring up that sometimes when a NT is placed in the kidney, IR does not correctly identify if the NT is placed correctly in a calyx or not. Future studies are required to understand the accuracy of NT placement and use for PCNLs.
Presented by: Kaitlan Cobb, MD
Written by: Sherry Lu, Department of Urology, University of California-Irvine at the 2018 AUA Annual Meeting - May 18 - 21, 2018 – San Francisco, CA USA