Five-Year Trends in Multifocal Electroretinogram for Patients With Birdshot Chorioretinopathy - Archive ouverte HAL Access content directly
Journal Articles American Journal of Ophthalmology Year : 2019

Five-Year Trends in Multifocal Electroretinogram for Patients With Birdshot Chorioretinopathy

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Abstract

PURPOSE:The aim of this study is to investigate temporal trends in multifocal ERG (mfERG) parameters and analyze their relationships with anatomic and functional markers in patients with birdshot chorioretinopathy (BSCR).DESIGN:Prospective observational case series.METHODS:Sixteen BSCR patients were include and underwent 2 standardized follow-up (FU) visits within 5 years following a baseline examination, including mfERG, visual acuity (VA), visual field (VF), Lanthony desaturated panel D-15 test for color vision, quality of life (QoL), fluorescein and indocyanine green angiography, and optical coherence tomography (OCT).RESULTS:A significant trend toward a decrease in absolute N1 amplitude values was observed over the follow-up period (P < .001) while N1 implicit time remained unchanged. In contrast, P1 amplitude decreased (P < .001) and P1 implicit time increased (P < .001) over the same period. No significant temporal change was found for VA, color vision score, foveal threshold, mean deviation of VF, and QoL. After adjusting for time to FU, increasing N1 and P1 IT were both associated with decreasing values of logMAR, foveal threshold, and QoL and with increasing color vision score and mean deviation of VF. A significant relationship was observed between decreasing P1 amplitude values and increasing mean deviation of VF. Lower absolute values of N1 amplitude were associated with venous vasculitis, whereas lower P1 amplitude values correlated with alteration of the outer retina in OCT.CONCLUSIONS:Progressive deterioration in mfERG during a 5-year period is detected in BSCR, whereas classical functional test results were unchanged. This study suggests a better sensitivity of mfERG in monitoring the retinal function of BSCR patients.
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hal-02272296 , version 1 (22-10-2021)

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Attribution - NonCommercial - CC BY 4.0

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Adriane Mailhac, Jose Labarere, Florent Aptel, Sylvie Berthemy, Laurence Bouillet, et al.. Five-Year Trends in Multifocal Electroretinogram for Patients With Birdshot Chorioretinopathy. American Journal of Ophthalmology, 2019, 200, pp.138-149. ⟨10.1016/j.ajo.2018.11.022⟩. ⟨hal-02272296⟩
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