title: [High-power holmium laser with percutaneous nephrolithotripsy for kidney calculi].
abstract: OBJECTIVE
  To assess the efficacy and safety of the high-power holmium laser with percutaneous nephrolithotripsy for kidney calculi.
  
  
  METHODS
  The high-power (60 W: 3.0 J x 20 Hz) holmium laser with percutaneous nephrolithotripsy was performed on 52 patients with single kidney pelvic or calyceal stones (average stone diameter 3.1 cm), 36 patients with multi-kidney pelvic and calyceal stones (average diameter 2.8 cm), 24 patients with staghorn stones (average diameter 6.8 cm). The duration of stone surgery, stone-free rate and complication were assessed.
  
  
  RESULTS
  The mean duration of stone surgery was 44 min, the stone-free rate was 66% (74/112) after the first session, 89% (100/112) at the end of session. 3 patients had high fever after percutaneous nephrolithotripsy, no other adverse events were noted.
  
  
  CONCLUSIONS
  The high-power holmium laser with percutaneous nephrolithotripsy can fragments calculi quickly and reduces the length of time of operation. It is an effective and safe technique for kidney calculi.
authors.affiliation: Department of Urology, Changhai Hospital, the Second Military Medical University, Shanghai 200433, China. gxfdoc@vnet.citiz.net
authors.forename: Ying-hao
authors.initials: YH
authors.lastname: Sun
authors.forename: Xiao-feng
authors.initials: XF
authors.lastname: Gao
authors.forename: Lin-hui
authors.initials: LH
authors.lastname: Wang
authors.forename: Xia
authors.initials: X
authors.lastname: Sheng
authors.forename: Xu
authors.initials: X
authors.lastname: Gao
authors.forename: Xi-zhi
authors.initials: XZ
authors.lastname: Wang
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D003131:Combined Modality Therapy; D005260:Female; D006695:Holmium / Q000008:administration & dosage*; D006801:Humans; D007669:Kidney Calculi / Q000628:therapy*; D017602:Lithotripsy, Laser / Q000009:adverse effects / Q000379:methods*; D008297:Male; D008875:Middle Aged; D009403:Nephrostomy, Percutaneous; D016896:Treatment Outcome
chemical_list: D006695:Holmium