Extracorporeal Shock Wave Gallstone Lithotripsy

  • Hideo Ise
  • Osamu Kitayama
  • Seiki Matsuno
  • Kazuyoshi Takayama
  • Toshiyuki Okawa
Conference paper

Abstract

We have investigated 30 cases of gallbladder stone patients treated by extracorporeal microexplosive biliary lithotripsy. The lithotriptor used for tratment is a Yachyoda SZ-5000, using as the energy source microexplosive pellets (AgN3).The stone-free rate was 12/30 (40%). Especially type Ia and Ib stones (ultrasonographic classification) were treated most effectively. The stone-free rate for types Ia and Ib was 4/6 (67%) and 5/5 (100%), while the side-effects and complications were mild. Extracorporeal microexplosive biliary lithotripsy was very safe and effective in patients whose ultrasonographic classification of the gallstone was type Ia or Ib.

Key words

ESWL Gallstone Micro-explosion Shock wave Ultrasonography 

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References

  1. Tsuchiya Y et al. (1986) Ultrasonic properties of gallstones: Differentiation between cholesterol stones and pigment stones. Tan to Sui, pp 1483–1491 (in Japanese)Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1995

Authors and Affiliations

  • Hideo Ise
    • 1
  • Osamu Kitayama
    • 1
  • Seiki Matsuno
    • 1
  • Kazuyoshi Takayama
    • 2
  • Toshiyuki Okawa
    • 3
  1. 1.First Department of Surgery, School of MedicineTohoku UniversitySendaiJapan
  2. 2.Shock Wave Research Center, Institute of Fluid ScienceTohoku UniversitySendaiJapan
  3. 3.Medical Yachiyoda Co. LTDTokyoJapan

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