Urolithiasis 2 pp 487-491 | Cite as

Ultrasound Velocity — A Measure of Stone Strength?

  • N. P. Cohen
  • H. N. Whitfield
  • J. C. Shelton
  • G. P. Evans


Urinary stones exhibit a variable response to extracorporeal Shockwave lithotripsy (ESWL) and endoscopic lithotripsy. Although fragmentation is affected by the patient’s size, the type of Shockwave generating system, mode of localisation etc, it is also known that the physico-chemical characteristics of calculi affect treatment outcome. However it is still unclear why some stones break more readily than others. Although chemical composition has been proposed as an important factor, a literature review revealed conflicting results.


Calcium Oxalate Extracorporeal Shockwave Lithotripsy Urinary Stone Urinary Calculus Pulse Transit Time 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer Science+Business Media New York 1994

Authors and Affiliations

  • N. P. Cohen
    • 1
  • H. N. Whitfield
    • 1
  • J. C. Shelton
    • 2
  • G. P. Evans
    • 2
  1. 1.Department of UrologySt. Bartholomew’s HospitalWest Smithfield, LondonUK
  2. 2.Interdisciplinary Research Centre, Queen Mary and Westfield CollegeUniversity of LondonLondonUK

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