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    The Artificial-Liver Blood-Purification System Can Effectively Improve Hypercytokinemia for COVID-19. Guo Jing,Xia He,Wang Shuting,Yu Liang,Zhang Huafen,Chen Jun,Shi Ding,Chen Yanfei,Zhang Yan,Xu Kaijin,Xu Xiaowei,Sheng Jifang,Qiu Yunqing,Li Lanjuan Frontiers in immunology Since the December 2019 outbreak of coronavirus disease 2019 (COVID-19) in Wuhan, the infection has spread locally and globally resulting in a pandemic. As the numbers of confirmed diagnoses and deaths continue to rise, COVID-19 has become the focus of international public health. COVID-19 is highly contagious, and there is no effective treatment yet. New treatment strategies are urgently needed to improve the treatment success rate of severe and critically ill patients. Increasing evidence has shown that a cytokine storm plays an important role in the progression of COVID-19. The artificial-liver blood-purification system (ALS) is expected to improve the outcome of the cytokine storm. In the present study, the levels of cytokines were detected in 12 COVID-19 patients pre- and post-ALS with promising results. The present study shows promising evidence that ALS can block the cytokine storm, rapidly remove the inflammatory mediators, and hopefully, suppress the progression of the disease, thereby providing a new strategy for the clinical treatment of COVID-19. 10.3389/fimmu.2020.586073
    Application value of artificial liver support system in the treatment of cytokine storm in patients with COVID-19. Xia Qi,Xu Kaijin,Yu Liang,Zhang Huafen,Li Lanjuan International immunopharmacology OBJECTIVE:To explore the application value of artificial liver support system in the clinical treatment of coronavirus disease 2019 (COVID-19) patients with cytokine storm. METHODS:Six cases of severe or critically severe COVID-19 patients treated in The First Affiliated Hospital, College of Medicine, Zhejiang University from January 22 to February 4, 2020 were recruited, and all of them received artificial liver support treatment. Statistical analysis was carried out on the change of cytokines (TNF-α, IL-10, IL-6, IFN-γ, IL-2, IL-4), inflammation-related indicators (white blood cell, neutrophil, lymphocyte, C-reactive protein and procalcitonin), immune-related indicators (B lymphocyte percentage, natural killer cell percentage, CD3CD4CD8 T cell percentage), alanine aminotransferase (ALT) and aspartate aminotransferase (AST) in the 6 patients before and after treatment, and the proportions of patients with abnormal indicators were analyzed as well. In addition, computed tomography (CT) was used to observe the absorption of pulmonary lesions before and after the artificial liver support treatment. RESULTS:The levels of cytokines (IL-6 and IL-10) were effectively reduced in the 6 patients after treatment with the artificial liver support system. Meanwhile, the proportions of patients with abnormal TNF-α, IL-10, IL-6 and IFN-γ were all decreased (p < 0.05). The levels of inflammation-related indicators including white blood cell, C-reactive protein and procalcitonin, and the proportions of patients with these abnormal indicators were both significantly reduced (p < 0.05). The level of neutrophil was not effectively reduced before and after the treatment, but the proportion was significantly reduced (p < 0.05). However, the abnormality of lymphocyte in the patients was not improved. There was no significant difference in immune-related indicators, AST and ALT before and after the treatment (p > 0.05). CT imaging showed that the artificial liver support treatment contributed to absorption of pulmonary lesions. CONCLUSIONS:The artificial liver support system had a great clinical effect in the treatment of cytokine storm and inflammation in COVID-19 patients, and it could promote the absorption of infected lesions. 10.1016/j.intimp.2020.107120