Key result
High oxygen concentrations during perioperative care may cause hemodynamic changes, altered microcirculation, increased oxidative stress, and potentially increased mortality in certain populations.
Why the study?
Does the liberal use of high oxygen concentrations during perioperative care cause harmful effects such as hemodynamic changes, oxidative stress, or increased mortality?
Does the liberal use of high oxygen concentrations during perioperative care cause harmful effects such as hemodynamic changes, oxidative stress, or increased mortality?
This review highlights the potential harmful effects of liberal oxygen use during perioperative and intensive care, cautioning against its routine use without clear indication.
Supports caution with liberal perioperative oxygen; leaves open optimal targets pending randomized trials.
Oxygen is an element, which is used liberally during several medical procedures. The use of oxygen during perioperative care is a controversial issue. Anesthesiologists use oxygen to prevent hypoxemia during surgical procedures, but the effects of its liberal use can be harmful. Another argument for using high oxygen concentrations is to prevent surgical site infections by increasing oxygen levels at the incision site. Although inconclusive, literature concerning the use of high oxygen concentrations during anesthesia show that this approach may cause hemodynamic changes, altered microcirculation and increased oxidative stress. In intensive care it has been shown that high oxygen concentrations may be associated with increased mortality in certain patient populations such as post cardiac arrest patients. In this paper, a review of literature had been undertaken to warn anesthesiologists about the potential harmful effects of high oxygen concentrations.
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Dikmen et al. (2017) conducted a review in Perioperative care. High oxygen concentrations was evaluated. High oxygen concentrations during perioperative care may cause hemodynamic changes, altered microcirculation, increased oxidative stress, and potentially increased mortality in certain populations.
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