Assessing the efficacy of haemoperfusion for dermatomyositis-associated acute exacerbation of interstitial lung disease: A multicentre retrospective study

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OBJECTIVES: Haemoperfusion (HP) is used to treat various diseases, including sepsis and acute respiratory distress syndrome. However, few studies have explored the efficiency of HP in dermatomyositis-associated acute exacerbation of interstitial lung disease. METHODS: We conducted a retrospective study. Two hundred and sixteen patients with dermatomyositis-associated acute exacerbation of interstitial lung disease were included. Patients were divided into the HP group (treatment group) and the control group. Changes in oxygenation, haemodynamic parameters, lung ultrasound scores, and inflammatory cytokine levels were evaluated before and after HP in the treatment group. The length of intensive care unit (ICU) stays, duration of ventilator therapy, mortality rate, and incidence of complications were compared between the treatment and control groups. RESULTS: Haemodynamic and oxygenation variables in the treatment group significantly improved after treatment. However, the levels of the inflammatory factors significantly decreased after treatment. The length of ICU stay and the duration of ventilator therapy were significantly shorter in the treatment group than in the control group. The mortality rate of the treatment group was significantly lower than that of the control group. CONCLUSIONS: This study demonstrated that HP could improve treatment efficacy in patients with dermatomyositis-associated acute exacerbation of interstitial lung disease.

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