Urology
Volume 75, Issue 1 , Pages 38-43 , January 2010

Shock Wave Lithotripsy: A Randomized, Double-blind Trial to Compare Immediate Versus Delayed Voltage Escalation

This study was presented at the 23rd World Congress on Endourology and SWL 21st Basic Research Symposium, August 23-26, 2005, Amsterdam, The Netherlands.

  • R. John D'A. Honey

      Affiliations

    • Department of Urology, St. Michael's Hospital, Toronto, Ontario, Canada
    • Department of Urology, University of Toronto, Toronto, Ontario, Canada
    • Corresponding Author InformationReprint requests: R. John D'A. Honey, M.D., M.A., F.R.C.S.C., Division of Urology, St. Michael's Hospital, 61 Queen Street East, Suite 9-103Q, Toronto, ON M5C 2T2 Canada
  • ,
  • A. Andrew Ray

      Affiliations

    • Department of Urology, St. Michael's Hospital, Toronto, Ontario, Canada
    • Department of Urology, University of Toronto, Toronto, Ontario, Canada
  • ,
  • Daniela Ghiculete

      Affiliations

    • Department of Urology, St. Michael's Hospital, Toronto, Ontario, Canada
    • Department of Urology, University of Toronto, Toronto, Ontario, Canada
  • ,
  • University of Toronto Lithotripsy Associates

      Affiliations

    • Department of Urology, University of Toronto, Toronto, Ontario, Canada
  • ,
  • Kenneth T. Pace

      Affiliations

    • Department of Urology, St. Michael's Hospital, Toronto, Ontario, Canada
    • Department of Urology, University of Toronto, Toronto, Ontario, Canada

Received 30 September 2008 ,Accepted 1 December 2008.

References 

  1. Coz F, Orvieto M, Bustos M, et al. Extracorporeal shock wave lithotripsy of 2000 urinary calculi with the Modulith SWL-20: success and failure according to size and location of stones. J Endourol. 2000;14:239–246
  2. Talic RF, El Faqih SR. Exracorporeal shockwave lithotripsy for lower pole nephrolithiasis: efficacy and variables that influence treatment outcome. Urology. 1998;51:544–547
  3. Razvi HA, Denstedt JD, Chun SS, et al. Intracorporeal lithotripsy with the holium:YAG laser. J Urol. 1996;156:912–914
  4. Mobley TB, Myers DA, Grine WB, et al. Low energy lithotripsy with the Lithostar: treatment results with 19,962 renal and ureteral calculi. J Urol. 1993;149:1419–1424
  5. Saricauopuuyu K, Isikay L, Kilic S, et al. Stone disintegration: effect of shock wave projection and electrode age on this parameter in a standard stone model. Int Urol Nephrol. 1997;29:1211–1216
  6. Vallancien J, Munoz R, Borghi M, et al. University of Toronto Lithotripsy Associates Relationship between the frequency of piezoelectric shock waves and the quality of renal stone fragmentation: in vitro study and clinical implication. Eur Urol. 1989;16:41–44
  7. Pace K, Ghiculete D, Harju M, et al. Shockwave lithotripsy at 60 or 120 shocks per minute: a randomized double-blind trial. J Urol. 2004;174:595–599
  8. Zhou Y, Cocks FH, Preminger GM, et al. The effect of treatment strategy on stone comminution efficiency in shock wave lithotripsy. J Urol. 2004;172:349–354
  9. Maloney ME, Marguet CG, Zhou Y, et al. Progressive increase in lithotriptor output produces better in-vivo stone comminution. J Endourol. 2006;20:603–606
  10. McAteer JA, Evan AP. The acute and long-term adverse effects of shock wave lithotripsy. Semin Nephrol. 2008;28:200–213
  11. Janetschek G, Frauscher F, Knapp R, et al. New onset hypertension after extracorporeal shock wave lithotripsy: age related incidence and prediction by intrarenal resistive index. J Urol. 1997;158:346–351
  12. Krambeck AE, Gettman MT, Rohlinger AL, et al. Diabetes mellitus and hypertension associated with shock wave lithotripsy of renal and proximal ureteral stones at 19 years of follow up. J Urol. 2006;175:1742–1747
  13. Parks JH, Worcester EM, Coe FL, et al. Clinical implications of abundant calcium phosphate in routinely analyzed kidney stones. Kidney Int. 2004;66:777–785
  14. Willis LR, Evan AP, Connors BA, et al. Prevention of lithotripsy-induced renal injury by pretreating kidneys with low-energy shock waves. J Am Soc Nephrol. 2006;17:663–673
  15. Honey RJ, Weir MJ, Tariq N. Electrode performance beyond the manufacturer's recommended lifespan using the Dornier MFL 5000 lithotripter. J Endourol. 2001;15:243–246
  16. Kohrmann KU, Rassweiler J, Manning M, et al. The clinical introduction of a third generation lithotripter: Modulity SL 20. J Urol. 1995;153:1379–1383
  17. McAteer JA, Baird T, Williams JC, et al. Voltage-stepping during SWL influences stone breakage independent of total energy delivered: in vitro studies with model stones. J Urol. 2003;169:487A
  18. Demirci D, Altiok E, Gülmez I, et al. Stepwise shock wave lithotripsy: results of initial study for the treatment of urinary stones in childhood. Int Urol Nephrol. 2006;38:189–192
  19. Connors BA, Evan AP, Blomgren PM, et al. Effect of initial shock wave voltage on shock wave lithotripsy-induced lesion size during step-wise voltage ramping. BJU Int. 2009;103:104–107
  20. Demirci D, Sofikerim M, Yalçin E, et al. Comparison of conventional and step-wise shockwave lithotripsy in management of urinary calculi. J Endourol. 2007;21:1407–1410
  21. Ghiculete D, Pace KT, Honey RJDA. Shock wave lithotripsy: a randomized, double-blinded trial to compare immediate vs. delayed voltage escalation: 23rd World Congress on Endourology and SWL. J Endourol. 2005;19(suppl 1):20
  22. Consensus Conference: prevention and treatment of kidney stones. J Urol. 1989;141:804–808
  23. Pace KT, Nauman T, Honey RJ. Shockwave lithotripsy for renal stones: low success rate after initial treatment failure. J Endourol. 2000;14:A82

PII: S0090-4295(09)00136-8

doi: 10.1016/j.urology.2008.12.070

Urology
Volume 75, Issue 1 , Pages 38-43 , January 2010