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Title:	Behavior of hyperreflective foci in non-infectious uveitic macular edema, a 12-month follow-up prospective study
Author:	Berasategui, Barbara; Fonollosa, Alex; Artaraz, Joseba; Ruiz Arruza, Ioana; Ríos, José; Matas, Jessica; Llorenç, Victor; Díaz Valle, David; Sastre Ibanez, Marina; Arriola Villalobos, Pedro; Adán Civera, Alfredo
Notes:	Background: Hyperreflective foci have been described in OCT imaging of patients with retinal vascular diseases. It has been suggested that they may play a role as a prognostic factor of visual outcomes in these diseases. The purpose of this study is to describe the presence of hyperreflective foci in patients with non-infectious uveitic macular edema and evaluate their behavior after treatment. Methods: We conducted a multicenter, prospective, observational, 12-month follow-up study. Inclusion criteria were age > 18 years and a diagnosis of non-infectious uveitic macular edema, defined as central macular thickness of > 300 mu m as measured by OCT and fluid in the macula. Collected data included best corrected visual acuity, central macular thickness and the presence, number and distribution (inner or outer retinal layers) of hyperreflective foci. Evaluations were performed at baseline, and at 1, 3, 6, and 12 months after starting treatment. Results: We included 24 eyes of 24 patients. The frequency of patients with >= 11 hyperreflective foci was 58.4% at baseline, falling to 20.8% at 12 months. Further, hyperreflective foci were observed in the outer retinal layers in 50% of patients at baseline and just 28.6% at 12 months. Mean LogMAR visual acuity improved from 0.55 (95% CI 0.4-0. 71) at baseline to 0.22 (95% CI 0.08-0.35) at 12 months (p < 0.001). Mean central macular thickness decreased from 453.83 mu m (95% CI 396.6-511) at baseline to 269.32 mu m (95% CI 227.7-310.9) at 12 months (P < 0.001). Central macular thickness was associated with number (p = 0.017) and distribution (p = 0.004) of hyperreflective foci. Conclusions: We have observed hyperreflective foci in most of our patients with non-infectious uveitic macular edema. During follow-up and after treatment, the number of foci diminished and they tended to be located in the inner layers of the retina.
Subject(s):	-Micròglia -Oftalmopaties -Malalties de la retina -Pronòstic mèdic -Microglia -Ophthalmopathies -Retinal diseases -Prognosis
Rights:	cc-by (c) Berasategui, Barbara et al., 2018 http://creativecommons.org/licenses/by/3.0/es
Document type:	Article Article - Published version
Published by:	BioMed Central
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