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Caracterización de membranas epiretinianas en oclusiones venosas de la retina mediante angiotomografía de coherencia óptica

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dc.contributorMeneses Girado, Said
dc.contributor.advisorRodríguez Alvira, Francisco José
dc.contributor.advisorRosenstiehl Colón, Shirley Margarita
dc.creatorDaza Irreño, Laura Andrea
dc.creator.degreeEspecialista en Retina y Vítreospa
dc.creator.degreetypeFull timespa
dc.date.accessioned2021-01-25T14:16:03Z
dc.date.available2021-01-25T14:16:03Z
dc.date.created2020-12-14
dc.descriptionObjetivo: Evaluar las características clínicas y angiotomográficas (OCT-A) de los pacientes con membranas epiretinianas (MER) secundarias a oclusiones venosas de la retina (OVR). Métodos: Estudio observacional de corte transversal. Se revisaron retrospectivamente imágenes de OCT-A e historias clínicas de 354 pacientes con diagnóstico de OVR, de los cuales 33 ojos de 33 pacientes cumplieron criterios de inclusión. Se calcularon medidas de tendencia central y medidas de dispersión de las variables cuantitativas según su distribución (kolmogorov-smirnov). Las variables cualitativas fueron descritas en frecuencias y porcentajes. Resultados: Fueron incluidos en el análisis treinta y tres ojos. El promedio de edad fue 68,7 años (DE: 12,4) con un 54.5% de mujeres (n:18). La mediana de agudeza visual (AV) LogMAR 0,70 (RIQ: 1,00). El 57,6% (n:19) presentaron oclusión de vena central, 33,3% (n:11) oclusión de rama venosa y el 9,1% (n:3) oclusión hemicentral. El tiempo entre el diagnóstico de OVR y el de MER fue en promedio de 14,4 meses (RIQ: 26) y previo al diagnóstico de MER habían recibido 3,8 (DE:3,7) inyecciones de antiangiogénico. El grosor retiniano central (GRC) promedio fue de 327 um (DE: 132,3) con disrupción en la integridad de la membrana limitante externa (MLE) y zona elipsoide (ZE) en 60,6% (n:20) y 66.7% (n:22) respectivamente. Hubo presencia de espacios cistoides intraretinianos en la mayoría de pacientes (60,6% n:20) y desorganización de capas retinianas internas (DRIL) en 42,2% (n:14). Se encontraron capas foveales internas ectópicas solo en 12.1% (n:4) de los ojos. La localización de las MER fue en su mayoría extrafoveal (75,7% n: 25) con un patrón de adherencia a la superficie de la retina mixto (global y focal) en un 45,5% (n: 15) de los casos. La zona avascular foveal (ZAF) total fue de 280 um (RIQ: 221um). Se observó que los ojos con MER foveal y disrupción en la MLE y ZE mostraron una tendencia a tener peor AV. Conclusiones: Las características estructurales y vasculares en la retina de pacientes con MER secundarias a OVR corresponden a cambios propios de la patología vascular. Este grupo de pacientes no comparten las características angiotomográficas descritas para MER idiopáticas. La disrupción de la MLE y ZE puede estar asociado con peor agudeza visual.spa
dc.description.abstractPurpose: To evaluate clinical and angiotomography (OCT-A) characteristics of patients with epiretinal membranes (ERM) secondary to retinal vein occlusions (RVO). Method: Cross sectional study. OCT-A images and medical records of 354 patients diagnosed with RVO were retrospectively reviewed, of which 33 eyes from 33 patients met inclusion criteria. Measures of central tendency and measures of dispersion of quantitative variables according to their distribution (kolmogorov-smirnov) were calculated. The qualitative variables were described in frequencies and percentages. Results: The mean age was 68.7 years (SD: 12.4) with 54.5% women (n: 18). Median visual acuity (AV) LogMAR 0.70 (IQR: 1.00). 57.6% (n: 19) had a diagnosis of central retinal vein occlusion (CRVO) 33.3% (n: 11) branch retinal vein occlusion (BRVO) and 9.1% (n: 3) hemicentral vein occlusion (HVO). The time between the diagnosis of RVO and ERM averaged 14.4 months (IQR: 26), and previous to the diagnosis of ERM received 3.8 (SD: 3.7) antiangiogenic injections. The mean central retinal thickness (CRT) was 327 um (SD: 132.3) with disruption of the integrity of the external limiting membrane (ELM) and ellipsoid zone (EZ) in 60.6% (n: 20) and 66.7% % (n: 22) respectively. There was presence of intraretinal cystoid spaces in most patients (60.6% n: 20) and disorganization of the inner retinal layer (DRIL) in 42.2% (n: 14). Ectopic inner foveal layers (EIFL) were found only in 12.1% (n: 4) of the eyes. The ERM location was mostly extrafoveal (75.7% n: 25) with a mixed pattern of adherence to the retinal surface (global and focal) in 45.5% (n: 15) of the cases. The mean foveal avascular zone (FAZ) was 280 um (IQR: 221um). Eyes with foveal-involving MER and disruption in MLE and ZE show a tendency to have worse VA. Conclusions: The structural and vascular retinal characteristics of patients with ERM secondary to RVO correspond to inherent changes to vascular pathology. This group of patients does not share the angiotomography characteristics described for idiopathic ERM. Disruption of the MLE and ZE may be associated with worse visual outcome.spa
dc.description.embargo2023-01-25 01:01:01: Script de automatizacion de embargos. info:eu-repo/date/embargoEnd/2023-01-24
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dc.identifier.doihttps://doi.org/10.48713/10336_30790
dc.identifier.urihttps://repository.urosario.edu.co/handle/10336/30790
dc.language.isospaspa
dc.publisherUniversidad del Rosariospa
dc.publisher.departmentEscuela de Medicina y Ciencias de la Saludspa
dc.publisher.programEspecialización en Retina y Vítreospa
dc.rightsAtribución-NoComercial-SinDerivadas 2.5 Colombiaspa
dc.rights.accesRightsinfo:eu-repo/semantics/openAccess
dc.rights.accesoAbierto (Texto Completo)spa
dc.rights.economicrightsFundación Oftalmológica Nacionalspa
dc.rights.licenciaEL AUTOR, manifiesta que la obra objeto de la presente autorización es original y la realizó sin violar o usurpar derechos de autor de terceros, por lo tanto la obra es de exclusiva autoría y tiene la titularidad sobre la misma. PARGRAFO: En caso de presentarse cualquier reclamación o acción por parte de un tercero en cuanto a los derechos de autor sobre la obra en cuestión, EL AUTOR, asumirá toda la responsabilidad, y saldrá en defensa de los derechos aquí autorizados; para todos los efectos la universidad actúa como un tercero de buena fe. EL AUTOR, autoriza a LA UNIVERSIDAD DEL ROSARIO, para que en los términos establecidos en la Ley 23 de 1982, Ley 44 de 1993, Decisión andina 351 de 1993, Decreto 460 de 1995 y demás normas generales sobre la materia, utilice y use la obra objeto de la presente autorización. -------------------------------------- POLITICA DE TRATAMIENTO DE DATOS PERSONALES. Declaro que autorizo previa y de forma informada el tratamiento de mis datos personales por parte de LA UNIVERSIDAD DEL ROSARIO para fines académicos y en aplicación de convenios con terceros o servicios conexos con actividades propias de la academia, con estricto cumplimiento de los principios de ley. Para el correcto ejercicio de mi derecho de habeas data cuento con la cuenta de correo habeasdata@urosario.edu.co, donde previa identificación podré solicitar la consulta, corrección y supresión de mis datos.spa
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/2.5/co/
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dc.source.instnameinstname:Universidad del Rosariospa
dc.source.reponamereponame:Repositorio Institucional EdocURspa
dc.subjectAngiotomografía de coherencia ópticaspa
dc.subjectMembranas epiretinianasspa
dc.subjectOclusiones venosas de la retinaspa
dc.subjectEnfermedades oftalmológicasspa
dc.subjectMaculopatía en celofánspa
dc.subject.ddcIncidencia & prevención de la enfermedadspa
dc.subject.keywordOptical coherence tomography angiographyspa
dc.subject.keywordEpiretinal membranesspa
dc.subject.keywordRetinal vein occlusionspa
dc.subject.keywordOphthalmological diseasesspa
dc.subject.keywordCellophane maculopathyspa
dc.titleCaracterización de membranas epiretinianas en oclusiones venosas de la retina mediante angiotomografía de coherencia ópticaspa
dc.title.TranslatedTitleCharacterization of epiretinal membranes in retinal venous occlusions using optical coherence tomography angiographyeng
dc.typebachelorThesiseng
dc.type.documentDescriptivo observacional retrospectivospa
dc.type.hasVersioninfo:eu-repo/semantics/acceptedVersion
dc.type.spaTrabajo de gradospa
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