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background
backgroundHigh-flow nasal oxygen (HFNO) is increasingly used in the management of hypoxemia and respiratory failure patients in intensive care units
.
However, the effectiveness of high-flow nasal catheter oxygen therapy to prevent intraoperative hypoxemia is still unclear
Management prevention
method
methodWe searched the documents in the standard database until February 2020
.
The study included one of the four results of intraoperative high-flow nasal catheter oxygen therapy: (1) reduced oxygen (O2) saturation, (2) minimum O2 saturation, (3) safe apnea time, or (4) )ETCO2
result
resultEight randomized controlled trials (RCT; 4 induction, 4 procedures, a total of 2,314 patients) were included in the systematic review and meta-analysis
.
We found that compared with the traditional oxygenation control group, HFNO has a lower risk of decreased intraoperative oxygen saturation; the odds ratio at induction (OR; 95% confidence interval [CI]) is 0.
in conclusion
in conclusionThis systematic review and Meta analysis showed that, compared with traditional oxygenation, HFNO reduces the risk of O2 desaturation, increases the minimum O2 saturation and allows safe apnea time during surgery
.
For patients with a higher risk of hypoxemia, HFNO should be considered without tracheal intubation under sedation during induction of anesthesia and surgery
Original source:
Original source:Spence EA, Rajaleelan W, J Wong, et al.
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