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• W4303199059 abstract "Abstract Background Juvenile idiopathic arthritis (JIA) is a group of inflammatory joint diseases that begin before the age of 16. Depending on the clinical form of JIA, medical treatment may involve long-term high-dose corticosteroid therapy, which may lead to aseptic femoral head osteonecrosis of patients. We report three observations of aseptic osteonecrosis of the femoral head in patients followed for JIA. 1st observation: Mr I.A, aged 19 years, presented with ankylosing spondylitis with peripheral involvement, with a juvenile onset, for which he had received a high dose of corticosteroids at an average of 1.5 mg/kg/day since the age of 15 months on an intermittent basis. Clinically, the patient had a height of 1.65, a right limp when walking and limited movement of the right hip with a Lequesne algofunctional index of 10.5 (significant disability). MRI of the pelvis showed aseptic osteonecrosis of the right femoral head (ONATF), Arlet and Ficat stage 3. Observation 2: Mr A.B, 27-year-old, had systemic JIA since the age of 12. He received corticosteroid therapy at an average dose of 1 mg/kg/day intermittently. Clinically the patient presents with signs of cortisone impregnation (a cushingoid face, purple stretch marks, thin skin) and bilateral cataract. The patient walks with the help of a crutch. The examination of the hips revealed a limitation of mobility of the left hip with a Lequesne algo-functional index of 18.5. Bone densitometry showed a decrease in bone density. Standard radiographs noted a left ONATF, Arlet and Ficat stage 4 with L4 and L5 vertebral fractures. 3rd Observation: Mr B.M, 26-year-old, followed for systemic JIA since the age of 14. He was treated with high dose corticosteroids at a rate of 1 mg/kg/day. The clinical examination revealed unevenness of the lower limbs, a left limp when walking, limited internal rotation and abduction of the right hip. The patient also had multiple inflammatory acne lesions and a bilateral cataract. Bone densitometry showed a decrease in bone density. Standard radiography showed bilateral ONATF, stage 3 on the right and 4 on the left according to Arlet and Ficat's classification, which required the placement of a double total hip replacement. Conclusion Corticosteroid therapy is one of the main risk factors for non-traumatic aseptic osteonecrosis. Our three patients presented with ONAT with major disability following long-term corticosteroid therapy. The efficacy of corticosteroids is well established but they should be used with caution to avoid side effects" @default.
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• W4303199059 date "2022-10-01" @default.
• W4303199059 modified "2023-10-13" @default.
• W4303199059 title "08 Juvenile idiopathic arthritis and corticosteroid-induced osteonecrosis of the femoral head" @default.
• W4303199059 doi "https://doi.org/10.1093/rheumatology/keac496.004" @default.
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