Laser lithotripsy retropulsion varies with stone mass

Michael E. Robinson; Joel M. H. Teichman

doi:10.1117/12.2007516

14 March 2013 Laser lithotripsy retropulsion varies with stone mass

Michael E. Robinson, Joel M. H. Teichman

Proceedings Volume 8565, Photonic Therapeutics and Diagnostics IX; 85651B (2013) https://doi.org/10.1117/12.2007516
Event: SPIE BiOS, 2013, San Francisco, California, United States

Abstract

OBJECTIVES: We tested the hypothesis that retropulsion varies with stone size. METHODS: Stone phantoms of uniform cube dimensions were constructed and irradiated with Ho:YAG energy (0.5 J - 3.5 J). Displacement was measured. RESULTS: At any given pulse energy, retropulsion decreased as stone size increased, p<0.05. At any given stone size, retropulsion increased as pulse energy increased, p<0.05. CONCLUSIONS: A strategy of low pulse energy at high repetition rate is appropriate for ureteral stones. For larger bladder and renal stones, retropulsion is minimal even with high pulse energies. More study is warranted.

Citation Download Citation

Michael E. Robinson and Joel M. H. Teichman "Laser lithotripsy retropulsion varies with stone mass", Proc. SPIE 8565, Photonic Therapeutics and Diagnostics IX, 85651B (14 March 2013); https://doi.org/10.1117/12.2007516

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