| Popis: |
Background: First-line immunosuppressive therapy (IMT) associated with high-dose corticosteroid (CS) has been proposed for the treatment of acute Vogt-Koyanagi-Harada disease (VKHD) to prevent chronicity and to prevent long-term CS side effects. However, there are very few studies that systematically evaluated visual and inflammatory outcomes in acute VKHD with early IMT. This study aimed to evaluate the outcome of high-dose corticosteroids with early addition of azathioprine (AZA) in patients with acute Vogt-Koyanagi-Harada disease (VKHD) followed for 24-month with systematic multimodal and electroretinogram exams.Methods: Prospective interventional study. Fifteen consecutive patients (30 eyes) with acute VKHD at a tertiary uveitis referral centre were followed for 24 months with systematic multimodal and full-field electroretinogram (ffERG) exams. Patients were treated with intravenous methylprednisolone followed by oral prednisone 1mg/kg/daily (CS) with slow taper and AZA introduction within 4 months. Anterior uveitis relapse, subclinical inflammation, best-corrected visual acuity (BCVA) and ffERG parameters were analyzed.Results: Fifteen patients (14 female) with a median age of 32 years were included. In the first month, 27 eyes (90%) had BCVA ≥20/40; at M24, all eyes (100%) had BCVA ≥20/25. Uveitis resolved in 28 eyes (93.3%) and became chronic recurrent in 2 eyes (6.7%); subclinical inflammation was still present in all eyes during the 24-month follow-up. ffERG parameters initially improved in all eyes; at M24, 23 eyes (76.7%) had subnormal results and 20 eyes (66.7%) had stable parameters. Eyes with very early treatment (n=12) had lower indocyanine green angiography score than eyes with early treatment (n=18) at M1 (p=0.012), but they had similar rates of recurrence, complications and ffERG parameters. Conclusion: Early AZA associated with high-dose corticosteroid was effective in improving BCVA and in controlling clinical inflammation. Isolate subclinical inflammation persisted in all eyes with no impact on ffERG in, at least, two thirds of these eyes, indicating that isolate subclinical inflammation may not be enough to indicate treatment increment. |
