Relationship between the frequency of piezoelectric shock waves and the quality of renal stone fragmentation. In vitro study and clinical implications.

@article{Vallancien1989RelationshipBT,
  title={Relationship between the frequency of piezoelectric shock waves and the quality of renal stone fragmentation. In vitro study and clinical implications.},
  author={Guy Vallancien and Rogelio Munoz and M. B. Cirri Borghi and B J Veillon and J-C. Brisset and Michel Daudon},
  journal={European urology},
  year={1989},
  volume={16 1},
  pages={41-4}
}
Nine renal stones were separated into 5 fragments of similar weight and size. One fragment was analyzed chemically and the other 4 fragments were submitted to treatment by piezoelectric shock waves according to the following modalities: 3,000 shock waves at firing frequencies of 1.25, 2.5, 5 and 10 shock waves/s. In the case of hard stones, better quality fragmentation was obtained with low frequencies than with high frequencies. With friable stones, using only 800 shock waves, the result was… CONTINUE READING

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