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  • Title: Bilateral simultaneous intravitreal injections in the office setting.
    Author: Bakri SJ, Risco M, Edwards AO, Pulido JS.
    Journal: Am J Ophthalmol; 2009 Jul; 148(1):66-9.e1. PubMed ID: 19403114.
    Abstract:
    PURPOSE: To report the outcomes and complications of bilateral simultaneous intravitreal injections performed in the office. DESIGN: Retrospective case series. METHODS: Records of 35 patients receiving simultaneous bilateral intravitreal injections between November 2007 and November 2008 were reviewed. Data collected included indication for injection, preinjection and postinjection intraocular pressure (IOP), preinjection and postinjection visual acuity (VA), and complications/complaints after each injection. RESULTS: A total of 208 injections were administered to 35 patients, with a mean of 5.9 injections per patient (range, 2 to 14; standard deviation [SD], 3.68). One hundred and thirty-three eyes received bevacizumab (Avastin; Genentech Inc, South San Francisco, California, USA) alone, 14 received bevacizumab plus preservative-free intravitreal triamcinolone or Triescence (Kenalog; Bristol-Myers Squibb Co, New York, New York, USA), 56 received ranibizumab (Lucentis; Genentech Inc), and 5 received bevacizumab plus dexamethasone (Decadron; Merck, Whitehouse Station, New Jersey, USA). Mean time of postinjection follow-up was 39 days. Postinjection VA follow-up measurements were available for 194 injections. The indication for initiating therapy was choroidal neovascularization from age-related macular degeneration (49 eyes), diabetic macular edema (ME) (13 eyes), proliferative diabetic retinopathy (4 eyes), ME attributable to retinal vein occlusion (2 eyes), and ME attributable to autoimmune retinopathy (2 eyes). The mean VA before each injection was 20/96 and at the next follow-up was 20/91 (P = .40). One patient had a painless, culture-negative endophthalmitis in 1 eye 3 days after bilateral bevacizumab; at 1 year VA improved from 20/400 to 20/80. CONCLUSIONS: Simultaneous bilateral intravitreal injections in the office are well tolerated. A separate povidone-iodine preparation, speculum, needle, and syringe were used for each eye. None of the patients requested alternating unilateral injections, after receiving bilateral injections. Patients should be counseled as to the risk of complications.
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