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Updated: Aug 6, 2025

A Novel Inhalation Mask System to Deliver High Concentrations of Nitric Oxide Gas in Spontaneously Breathing Subjects
Published on: May 4, 2021
Promising gas therapies for severe COVID-19
Ting Wang1, Qian Xiang1, Jinjun Bian1
1Department of Anesthesiology, Changhai Hospital, Second Military Medical University/Naval Medical University, Shanghai 200433, China.
Abstract:
The novel coronavirus disease 2019 (COVID-19) pandemic is a worldwide catastrophe, thoroughly challenging the healthcare systems. A growing number of victims suffer from a remarkable acute respiratory distress syndrome (ARDS) that necessitates admission to the intensive care unit (ICU), but there are no satisfactory treatments. Various gas therapies including nitric oxide, ozone, hyperbaric oxygen, hydrogen, and heliox have been employed in the fight against the pandemic and have improved clinical outcomes. However, the potential roles of these gases in COVID-19 treatment need to be verified in well-designed randomized controlled trials. This paper reviews advances in gaseous therapy of COVID-19.
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