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OD: ojo derecho; OI: ojo izquierdo.</p>" ] ] ] "autores" => array:1 [ 0 => array:2 [ "autoresLista" => "L. Hernández Bel, C. Monferrer Adsuara, M. Hernández Garfella, E. Cervera Taulet" "autores" => array:4 [ 0 => array:2 [ "nombre" => "L." "apellidos" => "Hernández Bel" ] 1 => array:2 [ "nombre" => "C." "apellidos" => "Monferrer Adsuara" ] 2 => array:2 [ "nombre" => "M." "apellidos" => "Hernández Garfella" ] 3 => array:2 [ "nombre" => "E." 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Case report" "tienePdf" => "en" "tieneTextoCompleto" => "en" "tieneResumen" => array:2 [ 0 => "en" 1 => "es" ] "paginas" => array:1 [ 0 => array:2 [ "paginaInicial" => "151" "paginaFinal" => "154" ] ] "titulosAlternativos" => array:1 [ "es" => array:1 [ "titulo" => "A propósito de un caso de hamartoma retiniano adyacente a cabeza de nervio óptico en un caso de esclerosis tuberosa" ] ] "contieneResumen" => array:2 [ "en" => true "es" => true ] "contieneTextoCompleto" => array:1 [ "en" => true ] "contienePdf" => array:1 [ "en" => true ] "resumenGrafico" => array:2 [ "original" => 0 "multimedia" => array:7 [ "identificador" => "fig0010" "etiqueta" => "Fig. 2" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr2.jpeg" "Alto" => 2270 "Ancho" => 2667 "Tamanyo" => 642496 ] ] "descripcion" => array:1 [ "en" => "<p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">OCT showing subretinal fluid exudation from the papilla to the fovea.</p>" ] ] ] "autores" => array:1 [ 0 => array:2 [ "autoresLista" => "F. Hernández Pardines, S. Núñez Márquez, L. Fernández Montalvo, M.C. Serra Verdú, A. Juárez Marroquí" "autores" => array:5 [ 0 => array:2 [ "nombre" => "F." "apellidos" => "Hernández Pardines" ] 1 => array:2 [ "nombre" => "S." "apellidos" => "Núñez Márquez" ] 2 => array:2 [ "nombre" => "L." "apellidos" => "Fernández Montalvo" ] 3 => array:2 [ "nombre" => "M.C." "apellidos" => "Serra Verdú" ] 4 => array:2 [ "nombre" => "A." "apellidos" => "Juárez Marroquí" ] ] ] ] ] "idiomaDefecto" => "en" "Traduccion" => array:1 [ "es" => array:9 [ "pii" => "S0365669117301302" "doi" => "10.1016/j.oftal.2017.03.010" "estado" => "S300" "subdocumento" => "" "abierto" => array:3 [ "ES" => false "ES2" => false "LATM" => false ] "gratuito" => false "lecturas" => array:1 [ "total" => 0 ] "idiomaDefecto" => "es" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S0365669117301302?idApp=UINPBA00004N" ] ] "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S2173579417302098?idApp=UINPBA00004N" "url" => "/21735794/0000009300000003/v1_201803010437/S2173579417302098/v1_201803010437/en/main.assets" ] "en" => array:15 [ "idiomaDefecto" => true "cabecera" => "<span class="elsevierStyleTextfn">Letter to the Editor</span>" "titulo" => "Early macular toxicity following 2 months of hydroxychloroquine therapy" "tieneTextoCompleto" => true "saludo" => "Dear Editor:" "paginas" => array:1 [ 0 => array:2 [ "paginaInicial" => "e20" "paginaFinal" => "e21" ] ] "autores" => array:1 [ 0 => array:4 [ "autoresLista" => "L. Hernández Bel, C. Monferrer Adsuara, M. Hernández Garfella, E. Cervera Taulet" "autores" => array:4 [ 0 => array:4 [ "nombre" => "L." "apellidos" => "Hernández Bel" "email" => array:1 [ 0 => "laura_hernandez_bel@hotmail.com" ] "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">*</span>" "identificador" => "cor0005" ] ] ] 1 => array:2 [ "nombre" => "C." "apellidos" => "Monferrer Adsuara" ] 2 => array:2 [ "nombre" => "M." "apellidos" => "Hernández Garfella" ] 3 => array:2 [ "nombre" => "E." "apellidos" => "Cervera Taulet" ] ] "afiliaciones" => array:1 [ 0 => array:2 [ "entidad" => "Servicio de Oftalmología, Hospital General Universitario de Valencia, Valencia, Spain" "identificador" => "aff0005" ] ] "correspondencia" => array:1 [ 0 => array:3 [ "identificador" => "cor0005" "etiqueta" => "⁎" "correspondencia" => "<span class="elsevierStyleItalic">Corresponding author</span>." ] ] ] ] "titulosAlternativos" => array:1 [ "es" => array:1 [ "titulo" => "Toxicidad macular precoz tras 2 meses de tratamiento con hidroxicloroquina" ] ] "resumenGrafico" => array:2 [ "original" => 0 "multimedia" => array:7 [ "identificador" => "fig0005" "etiqueta" => "Fig. 1" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr1.jpeg" "Alto" => 1642 "Ancho" => 2496 "Tamanyo" => 422084 ] ] "descripcion" => array:1 [ "en" => "<p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">SD-OCT shows the flying saucer sign due to the loss of the perifoveal ellipsoid line with preservation thereof in the foveal region. OD: right eye; OI: left eye.</p>" ] ] ] "textoCompleto" => "<span class="elsevierStyleSections"><p id="par0005" class="elsevierStylePara elsevierViewall">Hydroxychloroquine sulfate (HCQ) is utilized as an anti-inflammatory agent in rheumatic diseases. Despite its safety it could produce severe retinal toxicity when taken for extended periods of time or in high dosages. The mechanism causing said toxicity is not fully known.</p><p id="par0010" class="elsevierStylePara elsevierViewall">The literature describes a characteristic perifoveal retinopathy with loss of photoreceptors and ring-shaped retinal pigment epithelium (RPE) alterations. Recent studies have demonstrated that this retinopathy could evolve even after terminating the use of the drug, establishing an association between the integrity of the external limiting membrane (ELM) and the final visual prognostic. Diminished choroidal thickness has also been related with said retinopathy.<a class="elsevierStyleCrossRef" href="#bib0020"><span class="elsevierStyleSup">1</span></a></p><p id="par0015" class="elsevierStylePara elsevierViewall">The guides of the American Academy of Ophthalmology (AAO) recommend a baseline examination to discard maculopathy followed by annual examinations after 5 years. Said examination comprises best corrected visual acuity (BCVA), funduscopy, central campimetry (<span class="elsevierStyleSmallCaps">C</span>V) (10-2) and spectral domain optical coherence tomography (SD-OCT).<a class="elsevierStyleCrossRef" href="#bib0025"><span class="elsevierStyleSup">2</span></a> Additional tests include autofluorescence (AF) and multifocal electroretinogram.</p><p id="par0020" class="elsevierStylePara elsevierViewall">The case of a 60-year-old female with rheumatoid arthritis diagnosed 12 years ago is presented. The patient is in treatment with methotrexate (MTX). She visited in compliance with the screening program to discard maculopathy prior to beginning treatment, although due to delays in the checkup visit she had been taking HCQ 200<span class="elsevierStyleHsp" style=""></span>mg/day during 2 months. No other relevant antecedents were identified. The patient exhibited BCVA of 20/20 in both eyes (BE), without evident alterations in biomicroscopy and funduscopy. SD-OCT (<a class="elsevierStyleCrossRef" href="#fig0005">Fig. 1</a>) showed the flying saucer sign secondary to the loss of the perifoveal ellipsoid line with foveal preservation thereof, perifoveal thinning of the external nuclear layer and posterior displacement of the external retina towards the RPE. No ELM alterations or choroidal thinning were found. AF was normal and CV 10-2 showed central scotomae in BE. After discarding other ophthalmic disorders included in the differential diagnostic of bulls-eye retinopathy, treatment was terminated and substituted by a biological medicament.</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><p id="par0025" class="elsevierStylePara elsevierViewall">A range of pre-existing conditions and dosage factors facilitate said retinopathy, including an aggregate dose of >1.000<span class="elsevierStyleHsp" style=""></span>g, use >5 years and liver or kidney damage that impairs drug metabolism or excretion.<a class="elsevierStyleCrossRef" href="#bib0020"><span class="elsevierStyleSup">1</span></a> The risk of HCQ toxicity is of 1% in the first 5 years and 2% up to 10 years. In this series of cases, Yam et al. only included 2 patients with toxicity during the first year of treatment.<a class="elsevierStyleCrossRef" href="#bib0030"><span class="elsevierStyleSup">3</span></a> The mechanism is unknown but it has been postulated that it is due to a genetic predisposition or acquired susceptibility, probably related to the use of nonsteroid anti-inflammatory drugs (NSAIDs) that inhibit cytochrome P450, increasing bioavailable HCQ levels. The present patient took a dose of HCQ within recommended limits but associated to the occasional use of NSAIDs and concomitant treatment with MTX, which could involve pharmacological interaction due to liver and kidney metabolization.</p><p id="par0030" class="elsevierStylePara elsevierViewall">The early development of HCQ toxicity in the present patient indicates the multifactorial etiology of said maculopathy. Accordingly, more studies are needed in order to prevent the development thereof.</p></span>" "pdfFichero" => "main.pdf" "tienePdf" => true "NotaPie" => array:1 [ 0 => array:2 [ "etiqueta" => "☆" "nota" => "<p class="elsevierStyleNotepara" id="npar0005">Please cite this article as: Hernández Bel L, Monferrer Adsuara C, Hernández Garfella M, Cervera Taulet E. Toxicidad macular precoz tras 2 meses de tratamiento con hidroxicloroquina. Arch Soc Esp Oftalmol. 2018;93:e20–e21.</p>" ] ] "multimedia" => array:1 [ 0 => array:7 [ "identificador" => "fig0005" "etiqueta" => "Fig. 1" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr1.jpeg" "Alto" => 1642 "Ancho" => 2496 "Tamanyo" => 422084 ] ] "descripcion" => array:1 [ "en" => "<p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">SD-OCT shows the flying saucer sign due to the loss of the perifoveal ellipsoid line with preservation thereof in the foveal region. OD: right eye; OI: left eye.</p>" ] ] ] "bibliografia" => array:2 [ "titulo" => "References" "seccion" => array:1 [ 0 => array:2 [ "identificador" => "bibs0015" "bibliografiaReferencia" => array:3 [ 0 => array:3 [ "identificador" => "bib0020" "etiqueta" => "1" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Choroidal thinning associated with hydroxychloroquine retinopathy" "autores" => array:1 [ 0 => array:2 [ "etal" => false "autores" => array:4 [ 0 => "S.J. Ahn" 1 => "S.J. Ryu" 2 => "J.Y. Joung" 3 => "B.R. Lee" ] ] ] ] ] "host" => array:1 [ 0 => array:1 [ "Revista" => array:5 [ "tituloSerie" => "Am J Ophthalmol" "fecha" => "2017" "volumen" => "18" "paginaInicial" => "56" "paginaFinal" => "64" ] ] ] ] ] ] 1 => array:3 [ "identificador" => "bib0025" "etiqueta" => "2" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Recommendations on screening for chloroquine and hydroxychloroquine retinopathy (2016 revision)" "autores" => array:1 [ 0 => array:3 [ "colaboracion" => "American Academy of Ophthalmology" "etal" => false "autores" => array:5 [ 0 => "M.F. Marmor" 1 => "U. Kellner" 2 => "T.Y. Lai" 3 => "R.B. Melles" 4 => "W.F. Mieler" ] ] ] ] ] "host" => array:1 [ 0 => array:2 [ "doi" => "10.1016/j.ophtha.2016.01.058" "Revista" => array:6 [ "tituloSerie" => "Ophthalmology" "fecha" => "2016" "volumen" => "123" "paginaInicial" => "1386" "paginaFinal" => "1394" "link" => array:1 [ 0 => array:2 [ "url" => "https://www.ncbi.nlm.nih.gov/pubmed/26992838" "web" => "Medline" ] ] ] ] ] ] ] ] 2 => array:3 [ "identificador" => "bib0030" "etiqueta" => "3" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Ocular toxicity of hydroxychloroquine" "autores" => array:1 [ 0 => array:2 [ "etal" => false "autores" => array:2 [ 0 => "J.C. Yam" 1 => "A.K. Kwok" ] ] ] ] ] "host" => array:1 [ 0 => array:1 [ "Revista" => array:6 [ "tituloSerie" => "Hong Kong Med J" "fecha" => "2006" "volumen" => "12" "paginaInicial" => "294" "paginaFinal" => "304" "link" => array:1 [ 0 => array:2 [ "url" => "https://www.ncbi.nlm.nih.gov/pubmed/16912357" "web" => "Medline" ] ] ] ] ] ] ] ] ] ] ] ] ] "idiomaDefecto" => "en" "url" => "/21735794/0000009300000003/v1_201803010437/S2173579418300203/v1_201803010437/en/main.assets" "Apartado" => array:4 [ "identificador" => "5813" "tipo" => "SECCION" "en" => array:2 [ "titulo" => "Letter to the Editor" "idiomaDefecto" => true ] "idiomaDefecto" => "en" ] "PDF" => "https://static.elsevier.es/multimedia/21735794/0000009300000003/v1_201803010437/S2173579418300203/v1_201803010437/en/main.pdf?idApp=UINPBA00004N&text.app=https://www.elsevier.es/" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S2173579418300203?idApp=UINPBA00004N" ]
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Vol. 93. Issue 3.
Pages e20-e21 (March 2018)
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Vol. 93. Issue 3.
Pages e20-e21 (March 2018)
Letter to the Editor
Early macular toxicity following 2 months of hydroxychloroquine therapy
Toxicidad macular precoz tras 2 meses de tratamiento con hidroxicloroquina
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229
L. Hernández Bel
, C. Monferrer Adsuara, M. Hernández Garfella, E. Cervera Taulet
Corresponding author
Servicio de Oftalmología, Hospital General Universitario de Valencia, Valencia, Spain
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