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Konstantinos Balaskas, Pierluigi Ballabeni, Yan Guex-Crosier; Retinal Thickening in HLA-B27–Associated Acute Anterior Uveitis: Evolution with Time and Association with Severity of Inflammatory Activity. Invest. Ophthalmol. Vis. Sci. 2012;53(10):6171-6177. doi: 10.1167/iovs.12-10026.
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To describe the evolution of retinal thickness in eyes affected with acute anterior uveitis (AAU) in the course of follow-up and to assess its correlation with severity of inflammatory activity in the anterior chamber.
72 eyes (affected and fellow eyes) of 36 patients presenting with HLA-B27–related acute anterior uveitis were included in a prospective, institutional, cohort study. Patients were followed daily until beginning of resolution of inflammatory activity and weekly thereafter. Optical coherence tomography and laser flare photometry were performed at each visit. Treatment consisted of topical corticosteroids. Main outcome measures were retinal thickness of affected eyes, difference in retinal thickness between affected and fellow eyes and their evolution in time, association between maximal retinal thickness, and initial laser flare photometry.
Difference in retinal thickness between affected and fellow eyes became significant on average 7 days from baseline and remained so throughout follow-up (P < 0.001). There was a steep increase in retinal thickness of affected eyes, followed by a progressive decrease after reaching a peak value. Maximal difference in retinal thickness between affected and fellow eyes was observed between 17 and 25 days from baseline and exhibited a strong, positive correlation with initial laser flare photometry values (P = 0.015).
Retinal thickness in eyes affected with AAU presents a steep increase over 3 to 4 weeks and then gradually decreases. Severity of inflammation at baseline predicts the amount of retinal thickening in affected eyes. A characteristic pattern of temporal response of retinal anatomy to inflammatory stimuli seems to arise.
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