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      Is Open Access

      Ozurdex for the Treatment of a Patient with Birdshot Chorioretinopathy

      case-report
      , *
      Case Reports in Ophthalmology
      S. Karger AG
      Birdshot chorioretinopathy, Ozurdex, Dexamethasone, Vitritis

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          Abstract

          We report a 57-year-old patient with birdshot chorioretinopathy (BCR) who was treated with bilateral Ozurdex injections. The patient's vitritis resolved, and visual acuity improved following this treatment. This is only the second case report focused on the treatment of BCR with Ozurdex and the first to report its use for treating vitritis. A concise review of the literature on the use of intravitreal steroids for this disease is provided. This case serves to report the clinical usefulness of Ozurdex in treating posterior vitritis associated with BCR even in the absence of macular edema.

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          Most cited references16

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          Dexamethasone intravitreal implant for noninfectious intermediate or posterior uveitis.

          To evaluate the safety and efficacy of 2 doses of dexamethasone intravitreal implant (DEX implant) for treatment of noninfectious intermediate or posterior uveitis. In this 26-week trial, eyes with noninfectious intermediate or posterior uveitis were randomized to a single treatment with a 0.7-mg DEX implant (n = 77), 0.35-mg DEX implant (n = 76), or sham procedure (n = 76). The main outcome measure was the proportion of eyes with a vitreous haze score of 0 at week 8. The proportion of eyes with a vitreous haze score of 0 at week 8 was 47% with the 0.7-mg DEX implant, 36% with the 0.35-mg DEX implant, and 12% with the sham (P .05 at any visit). The incidence of cataract reported in the phakic eyes was 9 of 62 (15%) with the 0.7-mg DEX implant, 6 of 51 (12%) with the 0.35-mg DEX implant, and 4 of 55 (7%) with the sham (P > .05). In patients with noninfectious intermediate or posterior uveitis, a single DEX implant significantly improved intraocular inflammation and visual acuity persisting for 6 months. Application to Clinical Practice Dexamethasone intravitreal implant may be used safely and effectively for treatment of intermediate and posterior uveitis. Trial Registration clinicaltrials.gov Identifier: NCT00333814.
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            Research criteria for the diagnosis of birdshot chorioretinopathy: results of an international consensus conference.

            To present and evaluate research criteria for the diagnosis of birdshot chorioretinopathy. Consensus statement. Investigators who attended an international conference on birdshot chorioretinopathy drafted diagnostic criteria, which were refined after comment by conference attendees. Sensitivity and specificity of the criteria were evaluated by review of 82 previously diagnosed cases and evaluation of 80 consecutive patients with other forms of uveitis. Criteria, including presence of "birdshot lesions" and mild intraocular inflammation in both eyes, are based on clinical findings in the absence of systemic disease; HLA-A29 is supportive of diagnosis, but not required. Diagnostic criteria were found to be 100% specific and 97.5% sensitive. Positive predictive value was 100%; negative predictive value was 97.6%. Standardized criteria for the diagnosis of birdshot chorioretinopathy will facilitate clinical research and the comparison of results from studies performed at different institutions by ensuring a homogeneous population of study patients.
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              A genome-wide association study identifies a functional ERAP2 haplotype associated with birdshot chorioretinopathy.

              Birdshot chorioretinopathy (BSCR) is a rare form of autoimmune uveitis that can lead to severe visual impairment. Intriguingly, >95% of cases carry the HLA-A29 allele, which defines the strongest documented HLA association for a human disease. We have conducted a genome-wide association study in 96 Dutch and 27 Spanish cases, and 398 unrelated Dutch and 380 Spanish controls. Fine-mapping the primary MHC association through high-resolution imputation at classical HLA loci, identified HLA-A*29:02 as the principal MHC association (odds ratio (OR) = 157.5, 95% CI 91.6-272.6, P = 6.6 × 10(-74)). We also identified two novel susceptibility loci at 5q15 near ERAP2 (rs7705093; OR = 2.3, 95% CI 1.7-3.1, for the T allele, P = 8.6 × 10(-8)) and at 14q32.31 in the TECPR2 gene (rs150571175; OR = 6.1, 95% CI 3.2-11.7, for the A allele, P = 3.2 × 10(-8)). The association near ERAP2 was confirmed in an independent British case-control samples (combined meta-analysis P = 1.7 × 10(-9)). Functional analyses revealed that the risk allele of the polymorphism near ERAP2 is strongly associated with high mRNA and protein expression of ERAP2 in B cells. This study further defined an extremely strong MHC risk component in BSCR, and detected evidence for a novel disease mechanism that affects peptide processing in the endoplasmic reticulum. © The Author 2014. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oup.com.
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                Author and article information

                Journal
                COP
                COP
                10.1159/issn.1663-2699
                Case Reports in Ophthalmology
                S. Karger AG
                1663-2699
                2015
                September – December 2015
                03 September 2015
                : 6
                : 3
                : 289-292
                Affiliations
                UC Davis Eye Center, University of California Davis, Sacramento, Calif., USA
                Author notes
                *Ala Moshiri, MD, PhD, UC Davis Eye Center, University of California Davis, 4860 Y St., suite 2400, Sacramento, CA 95817 (USA), E-Mail ala.moshiri@ucdmc.ucdavis.edu
                Article
                437044 PMC4608635 Case Rep Ophthalmol 2015;6:289-292
                10.1159/000437044
                PMC4608635
                26483669
                0a8ccecf-0967-4fe2-8fcb-01fc9bfe700b
                © 2015 S. Karger AG, Basel

                Open Access License: This is an Open Access article licensed under the terms of the Creative Commons Attribution-NonCommercial 3.0 Unported license (CC BY-NC) ( http://www.karger.com/OA-license), applicable to the online version of the article only. Distribution permitted for non-commercial purposes only. Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

                History
                Page count
                Figures: 1, References: 15, Pages: 4
                Categories
                Published: September 2015

                Vision sciences,Ophthalmology & Optometry,Pathology
                Birdshot chorioretinopathy,Dexamethasone,Vitritis,Ozurdex

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