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  • Title: [Risk factors for pleural lung disease in children with juvenile idiopathic arthritis].
    Author: Hu Y, Lu MP, Teng LP, Guo L, Zou LX.
    Journal: Zhongguo Dang Dai Er Ke Za Zhi; 2014 Aug; 16(8):783-6. PubMed ID: 25140767.
    Abstract:
    OBJECTIVE: To investigate the risk factors for pleural lung disease (PLD) in children with juvenile idiopathic arthritis (JIA) and to provide a basis for the early diagnosis and timely treatment of this disease. METHODS: A total of 360 children with a confirmed diagnosis of JIA were enrolled, and their clinical data were retrospectively analyzed. All patients underwent a chest X-ray. The patients with PLD were assigned to PLD group, while those without PLD were assigned to non-PLD group. The clinical, imaging, and laboratory results of JIA patients with PLD were analyzed. RESULTS: Among the 360 JIA patients, 43 (11.9%) had PLD, and 9 (21%) of them had respiratory symptoms. Chest X-ray findings mainly included interstitial pneumonitis (53.5%) and pleurisy and/or pleural effusion (38.1%). In the 43 cases of JIA-PLD, 4 (9.3%) had normal chest X-ray findings but abnormal chest CT findings. The incidence of PLD was relatively high in patients aged under 3 years and those aged 12 years or above. Children with systemic JIA had a relatively high incidence of PLD. Compared with the non-PLD group, the PLD group had a significantly higher incidence of anemia, elevated white blood cell (WBC) count and IgG levels in peripheral blood, and positive rheumatoid factors or antinuclear antibodies (P<0.05). CONCLUSIONS: Among children with JIA, PLD is mostly seen in patients with systemic JIA or aged <3 years or ≥ 12 years, especially those with anemia, elevated WBC count and IgG levels, and positive rheumatoid factors or antinuclear antibodies. For JIA patients with PLD, interstitial pneumonitis is usually seen on chest X-ray or CT, but respiratory symptoms are rarely observed. Routine use of high-resolution chest CT is recommended for early diagnosis and timely treatment of PLD in children with JIA.
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