Acoustic radiation force to reposition kidney stones

Michael R. Bailey, Yak Nam Wang, Julianna Simon, Bryan Cunitz, Jonathan Harper, Ryan Hsi, Frank Starr, Marla Paun, Oleg Sapozhnikov, Barbrina Dunmire, Lawrence Crum, Mathew Sorensen

Research output: Contribution to journalConference article

1 Citation (Scopus)

Abstract

Our group has introduced transcutaneous ultrasound to move kidney stones in order to expel small stones or relocate an obstructing stone to a nonobstructing location. Human stones and metalized beads (2-8 mm) were implanted ureteroscopically in kidneys of eight domestic swine. Ultrasonic propulsion was performed using a diagnostic imaging transducer and a Verasonics ultrasound platform. Stone propulsion was visualized using fluoroscopy, ultrasound, and the ureteroscope. Successful stone movement was defined as relocating a stone to the renal pelvis, ureteropelvic junction (UPJ) or proximal ureter. Three blinded experts evaluated for histologic injury in control and treatment arms. All stones were moved. 65% (17/26) of stones/beads were moved the entire distance to the renal pelvis (3), UPJ (2), or ureter (12). Average successful procedure per stone required 14±8 min and 23±16 pushes. Each push averaged 0.9 s in duration. Mean interval between pushes was 41±13 sec. No gross or histologic kidney damage was identified in six kidneys from exposure to 20 1-s pushes spaced by 33 s. Ultrasonic propulsion is effective with most stones being relocated to the renal pelvis, UPJ, or ureter. The procedure appears safe without evidence of injury.

Original languageEnglish (US)
Article number045016
JournalProceedings of Meetings on Acoustics
Volume19
DOIs
StatePublished - Jun 19 2013
Event21st International Congress on Acoustics, ICA 2013 - 165th Meeting of the Acoustical Society of America - Montreal, QC, Canada
Duration: Jun 2 2013Jun 7 2013

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kidney stones
sound waves
rocks
pelvis
kidneys
propulsion
beads
ultrasonics
fluoroscopy
swine
transducers
platforms

All Science Journal Classification (ASJC) codes

  • Acoustics and Ultrasonics

Cite this

Bailey, M. R., Wang, Y. N., Simon, J., Cunitz, B., Harper, J., Hsi, R., ... Sorensen, M. (2013). Acoustic radiation force to reposition kidney stones. Proceedings of Meetings on Acoustics, 19, [045016]. https://doi.org/10.1121/1.4799599
Bailey, Michael R. ; Wang, Yak Nam ; Simon, Julianna ; Cunitz, Bryan ; Harper, Jonathan ; Hsi, Ryan ; Starr, Frank ; Paun, Marla ; Sapozhnikov, Oleg ; Dunmire, Barbrina ; Crum, Lawrence ; Sorensen, Mathew. / Acoustic radiation force to reposition kidney stones. In: Proceedings of Meetings on Acoustics. 2013 ; Vol. 19.
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abstract = "Our group has introduced transcutaneous ultrasound to move kidney stones in order to expel small stones or relocate an obstructing stone to a nonobstructing location. Human stones and metalized beads (2-8 mm) were implanted ureteroscopically in kidneys of eight domestic swine. Ultrasonic propulsion was performed using a diagnostic imaging transducer and a Verasonics ultrasound platform. Stone propulsion was visualized using fluoroscopy, ultrasound, and the ureteroscope. Successful stone movement was defined as relocating a stone to the renal pelvis, ureteropelvic junction (UPJ) or proximal ureter. Three blinded experts evaluated for histologic injury in control and treatment arms. All stones were moved. 65{\%} (17/26) of stones/beads were moved the entire distance to the renal pelvis (3), UPJ (2), or ureter (12). Average successful procedure per stone required 14±8 min and 23±16 pushes. Each push averaged 0.9 s in duration. Mean interval between pushes was 41±13 sec. No gross or histologic kidney damage was identified in six kidneys from exposure to 20 1-s pushes spaced by 33 s. Ultrasonic propulsion is effective with most stones being relocated to the renal pelvis, UPJ, or ureter. The procedure appears safe without evidence of injury.",
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Bailey, MR, Wang, YN, Simon, J, Cunitz, B, Harper, J, Hsi, R, Starr, F, Paun, M, Sapozhnikov, O, Dunmire, B, Crum, L & Sorensen, M 2013, 'Acoustic radiation force to reposition kidney stones', Proceedings of Meetings on Acoustics, vol. 19, 045016. https://doi.org/10.1121/1.4799599

Acoustic radiation force to reposition kidney stones. / Bailey, Michael R.; Wang, Yak Nam; Simon, Julianna; Cunitz, Bryan; Harper, Jonathan; Hsi, Ryan; Starr, Frank; Paun, Marla; Sapozhnikov, Oleg; Dunmire, Barbrina; Crum, Lawrence; Sorensen, Mathew.

In: Proceedings of Meetings on Acoustics, Vol. 19, 045016, 19.06.2013.

Research output: Contribution to journalConference article

TY - JOUR

T1 - Acoustic radiation force to reposition kidney stones

AU - Bailey, Michael R.

AU - Wang, Yak Nam

AU - Simon, Julianna

AU - Cunitz, Bryan

AU - Harper, Jonathan

AU - Hsi, Ryan

AU - Starr, Frank

AU - Paun, Marla

AU - Sapozhnikov, Oleg

AU - Dunmire, Barbrina

AU - Crum, Lawrence

AU - Sorensen, Mathew

PY - 2013/6/19

Y1 - 2013/6/19

N2 - Our group has introduced transcutaneous ultrasound to move kidney stones in order to expel small stones or relocate an obstructing stone to a nonobstructing location. Human stones and metalized beads (2-8 mm) were implanted ureteroscopically in kidneys of eight domestic swine. Ultrasonic propulsion was performed using a diagnostic imaging transducer and a Verasonics ultrasound platform. Stone propulsion was visualized using fluoroscopy, ultrasound, and the ureteroscope. Successful stone movement was defined as relocating a stone to the renal pelvis, ureteropelvic junction (UPJ) or proximal ureter. Three blinded experts evaluated for histologic injury in control and treatment arms. All stones were moved. 65% (17/26) of stones/beads were moved the entire distance to the renal pelvis (3), UPJ (2), or ureter (12). Average successful procedure per stone required 14±8 min and 23±16 pushes. Each push averaged 0.9 s in duration. Mean interval between pushes was 41±13 sec. No gross or histologic kidney damage was identified in six kidneys from exposure to 20 1-s pushes spaced by 33 s. Ultrasonic propulsion is effective with most stones being relocated to the renal pelvis, UPJ, or ureter. The procedure appears safe without evidence of injury.

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