Immune dysfunction leads to mortality and organ injury in patients with COVID-19 in China: insights from ERS-COVID-19 study
Fecha
2020-05-05Autor
Li, Dongze
Chen, You
Liu, Hong
Jia, Yu
Li, Fanghui
Wang, Wei
Wu, Jiang
Wan, Zhi
Cao, Yu
Zeng, Rui
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Resumen en idioma extranjero
Dear Editor,
A series of novel coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) since the end of 2019 is ongoing and triggering a global public health crisis. The estimated case fatality rate is approximately 3.4% in China. However, some patients experience dyspnea within 1 week and develop rapidly to organ injury and even death within 2 weeks after dyspnea.1 In addition, early organ injury could lead to higher risks of mortality. Thus, early identification of patients at risk of organ injury and death is crucial, which saves the patients from classified and invasive treatment, improving clinical outcome and prognosis. The human immune system plays significant roles in the resistance of foreign pathogens and the progress of pneumonia. Recent studies have mentioned that T cells were decreased in COVID-19 patients, excessive activated immune response was caused by pathogenic Th1 cells, and inflammatory CD14+CD16+ monocytes may connect to pulmonary immunopathology, leading to deleterious clinical manifestations and even acute mortality after SARS-CoV-2 infections.2 SARS-CoV-2 might damage lymphocytes, especially T lymphocytes, and the immune system was impaired during the period of disease to cause tissue injury.2,3
Palabras clave
ERS-COVID-19; dyspnea; organ injury; pneumonia; inmunopatología pulmonaEnlace al recurso
https://www.nature.com/articles/s41392-020-0163-5Colecciones
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