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Long-Term Visual Outcome of Patients with Blau Syndrome

Kreps, Elke O; Al Julandani, Dalila; Guly, Catherine M; Arostegui, Juan I; Dick, Andrew D; Ramanan, Athimalaipet V; (2024) Long-Term Visual Outcome of Patients with Blau Syndrome. Ocular Immunology and Inflammation 10.1080/09273948.2023.2293922. (In press). Green open access

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Abstract

PURPOSE: To document the long-term visual outcomes in patients with Blau syndrome. METHODS: A retrospective institutional cohort study was conducted, and 13 patients with genetically confirmed Blau syndrome were included. Demographic and clinical data were collected from standardised medical charts. Baseline was defined as the first detected uveitis and data were recorded onwards at intervals of 1, 3, 5, 10, 15 and 20 years. RESULTS: Anterior uveitis was the most common classification at baseline (57.1%). Among patients with documented uveitis lasting 10 years or more, all of them developed panuveitis. Median logMAR visual acuity at baseline was 0 (range -0.5; 0.7), 0.19 (range 0; 1.5) at year 5, and 0.7 (range 0.1 - no perception of light) at year 20, as recorded in 13, 16, and 10 eyes, respectively. All patients received treatment with topical and oral steroids, and multiple systemic immunosuppressants including biologics. Disease control, defined as having cells <1+ in both eyes and using topical steroid eye drops less than twice daily, was achieved in 14.3% to 37.5% of patients at the different time points. Cataract surgery was performed in 12 eyes of 8 patients, 3 eyes of 3 patients necessitated glaucoma surgery, and 4 eyes of 4 patients required surgery for retinal detachment. CONCLUSION: Uveitis associated with Blau syndrome commonly leads to severe, chronic panuveitis, requiring long-term systemic immunosuppression. Early diagnosis and timely initiation of biologics may prevent significant visual impairment.

Type: Article
Title: Long-Term Visual Outcome of Patients with Blau Syndrome
Location: England
Open access status: An open access version is available from UCL Discovery
DOI: 10.1080/09273948.2023.2293922
Publisher version: https://doi.org/10.1080/09273948.2023.2293922
Language: English
Additional information: Copyright © 2024 The Author(s). Published with license by Taylor & Francis Group, LLC. This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License (http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited, and is not altered, transformed, or built upon in any way.
Keywords: Biologic treatment, Blau syndrome, Blau syndrome-associated uveitis, longitudinal study, panuveitis
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Institute of Ophthalmology
URI: https://discovery.ucl.ac.uk/id/eprint/10185633
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