The tube versus trabeculectomy study: design and baseline characteristics of study patients.
(Clinical Trial;Journal Article;Multicenter Study)
PURPOSE: The Tube Versus Trabeculectomy (TVT) Study will compare the safety and efficacy of nonvalved tube shunt surgery to trabeculectomy with mitomycin C in patients with previous intraocular surgery. DESIGN: Multicenter randomized clinical trial. METHODS: SETTING: 17 Clinical Centers. STUDY POPULATION: Patients 18 to 85 years of age who have undergone previous trabeculectomy, cataract extraction with intraocular lens implantation, or both and have inadequately controlled glaucoma with intraocular pressure (IOP) >or=18 mm Hg and
Gedde, SJ; Schiffman, JC; Feuer, WJ; Parrish, RK; Heuer, DK; Brandt, JD; Tube Versus Trabeculectomy Study Group,
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