title: [The Ahmed glaucoma valve implantation for refractory glaucoma].
abstract: OBJECTIVE
  To evaluate the efficacy of the Ahmed Glaucoma Valve implant in the treatment of refractory glaucoma.
  
  
  METHODS
  28 cases(29 eyes) of refractory glacucoma were treated by the Ahmed glaucoma Valve implant, including 10 cases (10 eyes) of neovascula glaucoma, 5 cases (6 eyes) of juvenile glaucoma and 13 cases (13 eyes) of other causes glaucoma.
  
  
  RESULTS
  Post-operative follow-up time was 3-12 months. The intraocular pressure (IOP) was lowered from preoperative 40.9 +/- 7.32 mmHg (1 mmHg = 0.133 kPa) to postoperative 20.63 +/- 2.75 mmHg in Neovascular glaucoma; from preoperative 41 +/- 5.66 to postoperative 18.00 +/- 2.12 mmHg in glaucoma after IOL implant combined with vitrectomy operation; from preoperative 33.65 +/- 5.28 to postoperative 16.45 +/- 1.48 mmHg in juvenile glaucoma; from preoperative 31.43 +/- 4.13 to postoperative 18.13 +/- 1.25 mmHg in the failure conventional filtering surgery of glaucoma. The postoperative complicatons were flat anterior chamber, hyphema, anterior iritis and so on.
  
  
  CONCLUSIONS
  The Ahmed glaucoma valve implant is a useful method in lowing IOP of refractory glaucoma.
authors.affiliation: Department of Ophthalmology, Tangdu Hospital, Fourth Military Medical University, Xi'an, 710038, China.
authors.forename: X
authors.initials: X
authors.lastname: Yang
authors.forename: X
authors.initials: X
authors.lastname: Zheng
authors.forename: X
authors.initials: X
authors.lastname: Pan
authors.forename: W
authors.initials: W
authors.lastname: Wang
mesh_terms: D005260:Female; D005500:Follow-Up Studies; D005901:Glaucoma / Q000601:surgery*; D020327:Glaucoma Drainage Implants / Q000009:adverse effects; D015355:Glaucoma, Neovascular / Q000601:surgery*; D006801:Humans; D006988:Hyphema / Q000209:etiology; D007429:Intraocular Pressure; D007500:Iritis / Q000209:etiology; D008297:Male; D014821:Vitrectomy / Q000009:adverse effects