title: Comparison of ultrasonic and pneumatic intracorporeal lithotripsy techniques during percutaneous nephrolithotomy.
abstract: OBJECTIVE
  To compare the effectiveness and safety of ultrasonic and pneumatic lithotripters in the treatment of renal stone disease.
  
  
  METHODS
  A total of 227 consecutive percutaneous nephrolithotomy procedures for renal calculi were performed. In 107 patients ultrasonic lithotriptors were used (group I) and in 83 patients pneumatic lithotriptors were used (group II). In the remaining 37 patients, stones were managed with both pneumatic and ultrasonic lithotripters. Follow-up studies included intravenous urography (IVU) and/or computed tomography (CT).
  
  
  RESULTS
  The mean operative time and duration of hospitalization were similar between the groups. In the ultrasonic treatment group, 100 (96.9%) patients were stone-free on postoperative day 1 and 5 (4.6%) went on to undergo an additional treatment modality, resulting in a total stone-free rate of 97.2%. In the pneumatic lithotripsy group, 68 (81.9%) patients were stone-free after the primary procedure on the first day and 15 (18.1%) went on to undergo an additional treatment modality, resulting in a stone-free rate of 91.5%. The final stone-free rates at 3 months postoperatively in groups I, II, and III were 97.2%, 91.5%, and 87.9%, respectively (P = 0.826).
  
  
  CONCLUSIONS
  We conclude that both ultrasonic and pneumatic lithotripters are effective and safe for intracorporeal lithotripsy. However, the ultrasonic lithotripter provides higher stone-free rates with similar morbidity compared with pneumatic devices.
authors.affiliation: Sağlık Bakanlığı Ankara Eğitim ve Araştırma Hastanesi Şükriye Mh., Ulucanlar Cd. No. 89, 06340 Ankara, Turkey.
authors.forename: Tolga
authors.initials: T
authors.lastname: Karakan
authors.forename: Akif
authors.initials: A
authors.lastname: Diri
authors.forename: Ahmet Metin
authors.initials: AM
authors.lastname: Hascicek
authors.forename: Berat Cem
authors.initials: BC
authors.lastname: Ozgur
authors.forename: Serkan
authors.initials: S
authors.lastname: Ozcan
authors.forename: Muzaffer
authors.initials: M
authors.lastname: Eroglu
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007669:Kidney Calculi / Q000601:surgery*; D007902:Length of Stay; D008096:Lithotripsy / Q000009:adverse effects / Q000295:instrumentation / Q000379:methods*; D008297:Male; D008875:Middle Aged; D009403:Nephrostomy, Percutaneous / Q000379:methods*; D061646:Operative Time
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