Ureteroscopic management of lower-pole renal calculi: Technique of calculus displacement

B. K. Auge, Philipp Dahm, N. Z. Wu, G. M. Preminger

Research output: Contribution to journalArticlepeer-review

47 Scopus citations

Abstract

Purpose: We review our technique of ureteroscopic management of lower pole renal calculi with Nitinol basket displacement and holmium laser stone fragmentation. Methods: Lower pole calculi are identified with a 7.5F flexible ureteroscope. In patients in whom the laser fiber reduces ureteroscopic deflection, precluding reentry into the lower pole, a Nitinol basket or grasper is used to displace the calculi into an upper pole calix for easier fragmentation. Results: The Nitinol device can be passed into the lower pole through the fully deflected ureteroscope without any loss of deflection. Irrigation is significantly reduced by the basket, but this factor does not impede stone retrieval. Conclusions: Ureteroscopic management of lower pole stones is a reasonable alternative to SWL or percutaneous nephrolithotomy in low-volume stone disease. If the stone cannot be fragmented in situ, Nitinol basket capture through a fully deflected ureteroscope into a less dependent position facilitates stone fragmentation.

Original languageEnglish (US)
Pages (from-to)835-838
Number of pages4
JournalJournal of Endourology
Volume15
Issue number8
DOIs
StatePublished - Jan 1 2001

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