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Respir Care. 2016 Jun;61(6):801-17. doi: 10.4187/respcare.04933.

Should Oxygen Therapy Be Tightly Regulated to Minimize Hyperoxia in Critically Ill Patients?

Author information

1
Respiratory Care Services, University of California San Francisco Department of Anesthesia at San Francisco General Hospital, San Francisco, California.
2
Department of Surgery, University of Cincinnati, Cincinnati, Ohio.

Abstract

Oxygen is both lifesaving and toxic. Appropriate use of oxygen aims to provide a balance between the two effects. Although local oxygen toxicity to the lung is well accepted, recent evidence has called into question the negative consequences of hyperoxemia in other organ beds. Hyperoxia following cardiac arrest, traumatic brain injury, and stroke has been shown to worsen outcomes. The role of hyperoxemia in mechanically ventilated patients, in the face of non-toxic inspired oxygen concentrations, is less clear. This paper will review the data for and against the use of conservative oxygen targets and the avoidance of hyperoxemia in mechanically ventilated patients.

KEYWORDS:

hyperoxia; hyperoxic acute lung injury; lung protective ventilation; oxygen toxicity; reactive oxygen species; ventilator-induced lung injury

PMID:
27235315
DOI:
10.4187/respcare.04933
[Indexed for MEDLINE]
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