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2021 Feb 04

Ocul Immunol Inflamm

Avascular Necrosis of Bone in Patients with Uveitis Treated with Systemic Corticosteroids.


Wong SW, Steeples LR, Jones NP
Ocul Immunol Inflamm. 2021 Feb 04:1-7.
PMID: 33539719.


: To identify the prevalence, risk factors and outcomes of avascular necrosis (AVN) in patients with chronic uveitis. : A retrospective study of patients with corticosteroid-induced AVN treated at Manchester Uveitis Clinic between 1991 and 2019. : From a cohort of 4478 patients, 1698 had been treated with systemic corticosteroids. Five patients with AVN were identified (prevalence 0.29%). The mean age at diagnosis of AVN was 49 years. All 5 patients were using systemic immunosuppression. Four patients developed femoral head AVN in 7 joints, one had bilateral knee osteonecrosis. The mean duration of corticosteroid before AVN was 38 months; the mean dose at onset was 17mg/day and the mean cumulative dose was 18,860mg. Three patients required total hip replacements but management was conservative for others. There was no permanent disability. : AVN is a rare but severe complication of corticosteroid therapy. Clinicians should be vigilant for symptoms of bone pain as early detection and cessation of corticosteroids can reverse incipient AVN and avoid surgery.