Percutaneous nephrolithotomy in patients who previously underwent open nephrolithotomy

David Margel*, David A. Lifshitz, Valentina Kugel, Dov Dorfmann, Dov Lask, Pinhas M. Livne

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

Abstract

Background and Purpose: Open stone surgery nowdays is rare. However, some patients who are treated today have in the past undergone open nephrolithotomy. The aim of this study was to determine the possible impact of open nephrolithotomy on the efficacy and morbidity of subsequent percutaneous nephrolithotomy (PCNL). Patients and Methods: We reviewed the files of all 167 patients undergoing PCNL at our institution between December 2000 and December 2003. The same surgeon performed all of the procedures. We compared 21 patients undergoing PCNL after open nephrolithotomy to the same kidney with all other patients undergoing PCNL. The groups did not differ in terms of age or stone burden (mean size, number of stones, percentage with staghorn calculi). The outcomes measured were operating time, necessity for secondary procedures, stone-free rate, and intraoperative and postoperative complications. Results: The operating time (203 ± 92 v 177 ± 52 minutes) and percentage of secondary procedures (29% v 12%) were significantly higher in patients who had previously undergone open stone surgery. However, the stone-free rate (95% v 93%), intraoperative complication rate (10% v 9%), and postoperative complication rate (10% v 11%) did not differ significantly. Conclusions: A PCNL in a patient with a history of open nephrolithotomy may take longer and lead to a higher percentage of auxiliary procedures, probably because of scar tissue and anatomic changes in the kidney. However, the morbidity and efficacy of PCNL appear to remain the same in these patients.

Original languageEnglish
Pages (from-to)1161-1164
Number of pages4
JournalJournal of Endourology
Volume19
Issue number10
DOIs
StatePublished - Dec 2005
Externally publishedYes

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