title: [Extracorporeal shock wave lithotripsy for renal calculi].
abstract: OBJECTIVE
  The aim of the study was to determine the effectiveness of extracorporeal shock wave lithotripsy(ESWL) therapy for renal calculi.
  
  
  METHODS
  126 patients were treated with Shanghai HX-902 lithotriptor on an inpatient basis. The stone size varied from 0.5 to 2.5 cm. Some patients had a double-J stent inserted prior to treatment.
  
  
  RESULTS
  The overall stone-free rate in 2 months was 45.6%, whereas it was 53.3%, 40.8% and 18.1% according to the stone size, < or = 0.8, 0.9-1.9 and > or = 2 cm, respectively. Complications were rare, including 1 subcapsular hematoma formation, 15 renal colics and 5 stone streets, which were managed by conservative treatment or ureteral stenting or additional ESWL and resulted in complete stone clearance.
  
  
  CONCLUSIONS
  ESWL therapy is a reasonable and effective method for renal stone, percutaneous nephrolithotripsy(PCNL) or open surgery should be considered for stones larger than 2 cm.
authors.affiliation: Department of Urology, Xiangya Hospital, Hunan Medical University, Changsha 410008.
authors.forename: X
authors.initials: X
authors.lastname: Chen
authors.forename: P F
authors.initials: PF
authors.lastname: Shen
authors.forename: L Y
authors.initials: LY
authors.lastname: Lu
authors.forename: F
authors.initials: F
authors.lastname: Qi
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D007669:Kidney Calculi / Q000628:therapy*; D008096:Lithotripsy; D008297:Male; D008875:Middle Aged