title: 25-gauge Vitrectomy for complicated chronic endogenous/autoimmune uveitis: predictors of outcomes.
abstract: OBJECTIVE
  To describe the course of inflammation and identify predictors of successful outcome in chronic endogenous/autoimmune uveitic patients following 25-gauge vitrectomy.
  
  
  METHODS
  In this retrospective study, charts of 74 patients (74 eyes) undergoing vitrectomy for complicated uveitis that had a minimum of 12 months follow-up were reviewed. Successful outcome measures were improvement (≥ 0.3 logMAR) of visual acuity (VA), decreased inflammatory activity (≥ 1+), and reduction of required drugs (more than one). Logistic regression techniques were used to identify predictors of successful outcomes.
  
  
  RESULTS
  A total of 44 (59%) of the 74 patients showed VA improvement, 38 (51%) showed decreased inflammatory activity, and 30 (40%) required fewer drugs following vitrectomy. Independent predictor for VA improvements was accompanying cataract extraction, for postoperative inflammatory decrease was the absence of preoperative cystoid macular edema and greater preoperative activity of inflammation, and for the reduction in the number of required drugs was preoperative presence of epiretinal membrane formation.
  
  
  CONCLUSIONS
  25-gauge vitrectomy may be beneficial in patients with complicated chronic endogenous uveitis in terms of VA and control of inflammation. Accompanying cataract extraction, when necessitated, during vitrectomy and the absence of preoperative cystoid macular edema were indicators of better outcomes. Establishing predictors may assist clinicians in better patient selection.
authors.affiliation: Department of Ophthalmology and Ophthalmic Research Center, Labbafinejad Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran. masoud_soheilian@yahoo.com
authors.forename: Masoud
authors.initials: M
authors.lastname: Soheilian
authors.forename: Alireza
authors.initials: A
authors.lastname: Ramezani
authors.forename: Roham
authors.initials: R
authors.lastname: Soheilian
mesh_terms: D000293:Adolescent; D000328:Adult; D001327:Autoimmune Diseases / Q000150:complications / Q000276:immunology / Q000601:surgery*; D002908:Chronic Disease; D019773:Epiretinal Membrane / Q000175:diagnosis / Q000209:etiology / Q000601:surgery*; D004867:Equipment Design; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008269:Macular Edema / Q000175:diagnosis / Q000209:etiology / Q000601:surgery*; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D013997:Time Factors; D016896:Treatment Outcome; D014605:Uveitis / Q000276:immunology / Q000601:surgery*; D014821:Vitrectomy / Q000295:instrumentation*; D055815:Young Adult