Featured Review: Oxygen therapy in adult intensive care patients with acute respiratory distress syndrome

Approaches to guiding oxygen therapy in adult intensive care patients with acute respiratory distress syndromeAcute respiratory distress syndrome (ARDS) is a very severe breathing problem with a high mortality rate (chance of dying). It has many potential causes, including viral infections such as COVID-19, and there are no specific treatments for it except for giving patients oxygen via a ventilator (artificial breathing machine) on an intensive care unit, often for long periods of time. However, large amounts of oxygen (either a high concentration of oxygen or oxygen administered for a long period of time) are known to increase harm due to other illnesses (e.g. heart attack or stroke).The review authors wanted to know whether patients with severe lung problems (ARDS) would do better (including less chance of dying) if they received higher or lower amounts of oxygen whilst they were on a ventilator in intensive care.The team searched major medical databases up to 15 May 2020 for clinical trials studying oxygen use in adult patients with ARDS in intensive care units. They only searched for studies with the sickest patients, that is those who needed help with their breathing through a breathing tube that was connected to an artificial breathing machine. They did not restrict the search by language of publication. In addition to extracting and analysing the data from any studies that met these criteria, they also assessed the risk of bias (fairness) and the certainty (confidenc...
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