title: Transscleral diode laser cyclophotocoagulation after baerveldt glaucoma implant surgery.
abstract: OBJECTIVE
  To evaluate the safety and efficacy of transscleral cyclophotocoagulation (TSCPC) in patients requiring intraocular pressure (IOP) reduction despite prior Baerveldt glaucoma implant (BGI) surgery.
  
  
  METHODS
  Twenty eyes of 20 patients who had previously undergone BGI placement and subsequently underwent TSCPC with the red (810 nm) diode laser between April 2005 and January 2010 were retrospectively reviewed.
  
  
  RESULTS
  All patients underwent BGI placement an average of 34.7±24.2 months before TSCPC. The mean follow-up period after TSCPC was 25.6±17.4 months (range, 2.3 to 56.5 mo). IOPs were reduced from a mean of 21.8±4.6 to 10.8±3.2 mm Hg at the most recent follow-up, which represents a 50.2% reduction in mean IOP. Successful postoperative IOP control was achieved in 16 (80%) of 20 patients. The number of glaucoma medications decreased from 4.2±0.6 to 2.2±1.2. The life-table success rate was 78.6% at 12, 24, and 36 months. Postoperative complications included persistent corneal edema in 1 patient and both persistent corneal edema and cystoid macular edema in another patient. Both patients sustained a >2 line reduction in Snellen visual acuity.
  
  
  CONCLUSIONS
  TSCPC is safe and effective in the management of patients requiring IOP reduction after BGI surgery. Although our sample size was limited, the safety profile of TSCPC after BGI seems promising.
authors.affiliation: *Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, Miami, FL †Department of Ophthalmology, The New York Eye and Ear Infirmary, New York, NY ‡New York Medical College, Valhalla, NY.
authors.forename: Joseph F
authors.initials: JF
authors.lastname: Panarelli
authors.forename: Michael R
authors.initials: MR
authors.lastname: Banitt
authors.forename: Paul A
authors.initials: PA
authors.lastname: Sidoti
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D002924:Ciliary Body / Q000601:surgery*; D005260:Female; D005500:Follow-Up Studies; D005901:Glaucoma / Q000601:surgery*; D020327:Glaucoma Drainage Implants; D006801:Humans; D007429:Intraocular Pressure / Q000502:physiology*; D017075:Laser Coagulation / Q000379:methods*; D054023:Lasers, Semiconductor / Q000627:therapeutic use*; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications; D012189:Retrospective Studies; D014065:Tonometry, Ocular; D016896:Treatment Outcome; D014792:Visual Acuity / Q000502:physiology