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Primary in situ extracorporeal shock wave lithotripsy in the management of ureteric calculi: results with a third-generation lithotripter

Lookup NU author(s): Vincent Gnanapragasam, Peter Ramsden, Dr Lakkur Murthy, David Thomas


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Objective To review the results of primary in situ extracorporeal shock wave lithotripsy (ESWL) for the treatment of ureteric stones using a third-generation lithotripter, the Dornier MF, 5000 (Dornier Medizentechnic, Germany). Patients and methods The study comprised a retrospective review of treatment outcome in 180 patients with 196 stones who were treated with primary in situ ESWL, assessing the success of this approach and establishing reasons for failure. Results At the 3-month follow-up, 88% of patients were stone-free; 21 patients failed ESWL and were treated by ureteroscopic stone extraction with no complications. Stone-free rates were 90% for upper ureteric, 89% for middle-third and 86% for lower-third calculi, Twenty-one patients required auxiliary procedures in the form of JJ stenting or nephrostomy. Failure of ESWL was associated with stone size (>1.3 cm) hut not location or inadequate treatment. Conclusion Where prompt access to ESWL is available, primary in situ ESWL remains an effective form of treatment for all ureteric calculi, although stone-free rates are lower for larger stones.

Publication metadata

Author(s): Gnanapragasam VJ, Ramsden PDR, Murthy LSN, Thomas DJ

Publication type: Article

Publication status: Published

Journal: BJU International

Year: 1999

Volume: 84

Issue: 7

Pages: 770-774

ISSN (print): 1464-4096

ISSN (electronic): 1464-410X

Publisher: Wiley-Blackwell Publishing Ltd.


DOI: 10.1046/j.1464-410x.1999.00284.x


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