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  • Title: Clinical features and outcome of Cogan syndrome.
    Author: Pagnini I, Zannin ME, Vittadello F, Sari M, Simonini G, Cimaz R, Zulian F.
    Journal: J Pediatr; 2012 Feb; 160(2):303-307.e1. PubMed ID: 21920537.
    Abstract:
    OBJECTIVE: To review the clinical features of Cogan syndrome, a rare vasculitis characterized by systemic, ocular, and audiovestibular symptoms. STUDY DESIGN: Clinical records of patients with Cogan syndrome followed at 2 pediatric rheumatology institutions and those from a database search were reviewed. Data included clinical features at onset and during the disease course, treatments, and outcomes. RESULTS: Twenty-three children with Cogan syndrome (15 males; mean age, 11.4 years [range, 4-18 years]) were included in the analysis. Eleven patients (47.8%) exhibited systemic features at disease onset, including fever, arthralgias-arthritis or myalgias, headache, and weight loss. Twenty-one patients (91.3%) had ocular symptoms, due mainly to interstitial keratitis, uveitis, or conjunctivitis/episcleritis. Vestibular symptoms (39.1%) included vertigo, vomiting, and dizziness. Auditory involvement (65.2%) consisted of sensorineural hearing loss, tinnitus, and deafness. Four patients had cardiac valve involvement, and 3 had skin manifestations. After a median 2 years of follow-up, 30.4% of the patients were in clinical remission, but all others had irreversible complications (deafness, 21.7%; sensorineural hearing loss, 13.0%; vestibular dysfunction, 4.3%; ocular complications, 13.0%; cardiac valve damage, 17.4%). CONCLUSION: Audiovestibular and ocular involvement have a major impact on prognosis in children with Cogan syndrome.
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