期刊
ENDOCRINE PRACTICE
卷 28, 期 10, 页码 1100-1106出版社
ELSEVIER INC
DOI: 10.1016/j.eprac.2022.07.006
关键词
glucocorticoids; anti-inflammatory effects; COVID-19; hyperinflammatory syndrome
This study reviewed the literature on the effects of glucocorticoids in the context of COVID-19. The researchers focused on the metabolism of glucocorticoids in critically ill patients and the impact of glucocorticoid therapy on the immune system in COVID-19 patients with severe lung injury. The results suggest that a precise understanding of the mechanisms of endogenous and exogenous glucocorticoids is crucial for effective treatment.
Objective: Since January 2020, the highly contagious novel coronavirus SARS-CoV-2 has caused a global pandemic. Severe COVID-19 leads to a massive release of proinflammatory mediators, leading to diffuse damage to the lung parenchyma, and the development of acute respiratory distress syndrome. Treatment with the highly potent glucocorticoid (GC) dexamethasone was found to be effective in reducing mortality in severely affected patients. Methods: To review the effects of glucocorticoids in the context of COVID-19 we performed a literature search in the PubMed database using the terms COVID-19 and glucocorticoid treatment. We identified 1429 article publications related to COVID-19 and glucocorticoid published from 1.1.2020 to the present including 238 review articles and 36 Randomized Controlled Trials. From these studies, we retrieved 13 Randomized Controlled Trials and 86 review articles that were relevant to our review topics. We focused on the recent literature dealing with glucocorticoid metabolism in critically ill patients and investigating the effects of glucocorticoid therapy on the immune system in COVID-19 patients with severe lung injury. Results: In our review, we have discussed the regulation of the hypothalamic-pituitary-adrenal axis in patients with critical illness, selection of a specific GC for critical illness-related GC insufficiency, and recent studies that investigated hypothalamic-pituitary-adrenal dysfunction in patients with COVID-19. We have also addressed the specific activation of the immune system with chronic endogenous glucocorticoid excess, as seen in patients with Cushing syndrome, and, finally, we have discussed immune activation due to coronavirus infection and the possible mechanisms leading to improved outcomes in patients with COVID-19 treated with GCs. Conclusion: For clinical endocrinologists prescribing GCs for their patients, a precise understanding of both the molecular- and cellular-level mechanisms of endogenous and exogenous GCs is imperative, including timing of administration, dosage, duration of treatment, and specific formulations of GCs. (c) 2022 Published by Elsevier Inc. on behalf of the AACE.
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