Cavitation bubble cluster activity in the breakage of kidney stones by lithotripter shockwaves

Yuriy A. Pishchalnikov, Oleg A. Sapozhnikov, Michael R. Bailey, James Williams, Robin O. Cleveland, Tim Colonius, Lawrence A. Crum, Andrew Evan, James A. McAteer

Research output: Contribution to journalArticle

116 Citations (Scopus)

Abstract

Background and Purpose: There is strong evidence that cavitation bubble activity contributes to stone breakage and that shockwave-bubble interactions are involved in the tissue trauma associated with shockwave lithotripsy. Cavitation control may thus be a way to improve lithotripsy. Materials and Methods: High-speed photography was used to analyze cavitation bubble activity at the surface of artificial and natural kidney stones during exposure to lithotripter shockwaves in vitro. Results: Numerous individual bubbles formed on the surfaces of stones, but these bubbles did not remain independent but rather combined to form clusters. Bubble clusters formed at the proximal and distal ends and at the sides of stones. Each cluster collapsed to a narrow point of impact. Collapse of the proximal cluster eroded the leading face of the stone, and the collapse of clusters at the sides of stones appeared to contribute to the growth of cracks. Collapse of the distal cluster caused minimal damage. Conclusion: Cavitation-mediated damage to stones is attributable, not to the action of solitary bubbles, but to the growth and collapse of bubble clusters.

Original languageEnglish
Pages (from-to)435-446
Number of pages12
JournalJournal of Endourology
Volume17
Issue number7
StatePublished - Sep 2003

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Kidney Calculi
Lithotripsy
Artificial Kidneys
Photography
Growth
Wounds and Injuries
In Vitro Techniques

ASJC Scopus subject areas

  • Urology

Cite this

Pishchalnikov, Y. A., Sapozhnikov, O. A., Bailey, M. R., Williams, J., Cleveland, R. O., Colonius, T., ... McAteer, J. A. (2003). Cavitation bubble cluster activity in the breakage of kidney stones by lithotripter shockwaves. Journal of Endourology, 17(7), 435-446.

Cavitation bubble cluster activity in the breakage of kidney stones by lithotripter shockwaves. / Pishchalnikov, Yuriy A.; Sapozhnikov, Oleg A.; Bailey, Michael R.; Williams, James; Cleveland, Robin O.; Colonius, Tim; Crum, Lawrence A.; Evan, Andrew; McAteer, James A.

In: Journal of Endourology, Vol. 17, No. 7, 09.2003, p. 435-446.

Research output: Contribution to journalArticle

Pishchalnikov, YA, Sapozhnikov, OA, Bailey, MR, Williams, J, Cleveland, RO, Colonius, T, Crum, LA, Evan, A & McAteer, JA 2003, 'Cavitation bubble cluster activity in the breakage of kidney stones by lithotripter shockwaves', Journal of Endourology, vol. 17, no. 7, pp. 435-446.
Pishchalnikov YA, Sapozhnikov OA, Bailey MR, Williams J, Cleveland RO, Colonius T et al. Cavitation bubble cluster activity in the breakage of kidney stones by lithotripter shockwaves. Journal of Endourology. 2003 Sep;17(7):435-446.
Pishchalnikov, Yuriy A. ; Sapozhnikov, Oleg A. ; Bailey, Michael R. ; Williams, James ; Cleveland, Robin O. ; Colonius, Tim ; Crum, Lawrence A. ; Evan, Andrew ; McAteer, James A. / Cavitation bubble cluster activity in the breakage of kidney stones by lithotripter shockwaves. In: Journal of Endourology. 2003 ; Vol. 17, No. 7. pp. 435-446.
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AU - Cleveland, Robin O.

AU - Colonius, Tim

AU - Crum, Lawrence A.

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AB - Background and Purpose: There is strong evidence that cavitation bubble activity contributes to stone breakage and that shockwave-bubble interactions are involved in the tissue trauma associated with shockwave lithotripsy. Cavitation control may thus be a way to improve lithotripsy. Materials and Methods: High-speed photography was used to analyze cavitation bubble activity at the surface of artificial and natural kidney stones during exposure to lithotripter shockwaves in vitro. Results: Numerous individual bubbles formed on the surfaces of stones, but these bubbles did not remain independent but rather combined to form clusters. Bubble clusters formed at the proximal and distal ends and at the sides of stones. Each cluster collapsed to a narrow point of impact. Collapse of the proximal cluster eroded the leading face of the stone, and the collapse of clusters at the sides of stones appeared to contribute to the growth of cracks. Collapse of the distal cluster caused minimal damage. Conclusion: Cavitation-mediated damage to stones is attributable, not to the action of solitary bubbles, but to the growth and collapse of bubble clusters.

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