Lower or Higher Oxygenation Targets for Acute Hypoxemic Respiratory Failure
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- Lower or Higher Oxygenation Targets
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BACKGROUND
Patients with acute hypoxemic respiratory failure in the intensive care unit (ICU) are treated with supplemental oxygen, but the benefits and harms of different oxygenation targets are unclear. We hypothesized that using a lower target for partial pressure of arterial oxygen (Pao(2)) would result in lower mortality than using a higher target.
METHODS
In this multicenter trial, we randomly assigned 2928 adult patients who had recently been admitted to the ICU (
RESULTS
At 90 days, 618 of 1441 patients (42.9%) in the lower-oxygenation group and 613 of 1447 patients (42.4%) in the higher-oxygenation group had died (adjusted risk ratio, 1.02; 95% confidence interval, 0.94 to 1.11; P=0.64). At 90 days, there was no significant between-group difference in the percentage of days that patients were alive without life support or in the percentage of days they were alive after hospital discharge. The percentages of patients who had new episodes of shock, myocardial ischemia, ischemic stroke, or intestinal ischemia were similar in the two groups (P=0.24).
CONCLUSIONS
Among adult patients with acute hypoxemic respiratory failure in the ICU, a lower oxygenation target did not result in lower mortality than a higher target at 90 days.
Original language | English |
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Journal | New England Journal of Medicine |
Volume | 384 |
Issue number | 14 |
Pages (from-to) | 1301-1311 |
Number of pages | 11 |
ISSN | 0028-4793 |
DOIs | |
Publication status | Published - 2021 |
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