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Review
. 2021 Apr;38(4):1746-1756.
doi: 10.1007/s12325-021-01668-z. Epub 2021 Mar 6.

Non-Invasive Respiratory Support for Management of the Perioperative Patient: A Narrative Review

Sharon Einav  1   2 , Ines Lakbar  3 , Marc Leone  4
Affiliations
Review

Non-Invasive Respiratory Support for Management of the Perioperative Patient: A Narrative Review

Sharon Einav et al. Adv Ther. 2021 Apr.

Abstract

Background: Non-invasive respiratory support including high-flow nasal oxygen (HFNO), continuous positive airway pressure (CPAP) or bilevel positive airway pressure (BiPAP) is routinely used in the perioperative period.

Objectives: The aim of this narrative review was to discuss some of the existing literature on perioperative non-invasive respiratory support outlining its potential roles in each of the three perioperative periods (pre-, intra- and postoperatively) and to propose the way forward.

Results: During induction of anesthesia, non-invasive ventilation (NIV) was associated with improved ventilatory variables and reduced risk of postoperative respiratory complications. HFNO did not seem to confer an advantage in terms of peri-intubation hypoxemia. Intraoperative data on NIV are scarce. Upper airway obstruction and worsening hypoventilation are two risks associated with its use. Compared with conventional oxygenation, HFNO is associated with a reduced risk of hypoxemia. Postoperative NIV has been associated with improved arterial blood gases and a reduced reintubation rate, but no difference was reported for mortality, hospital length of stay, rate of anastomotic leakage, pneumonia-related complications and sepsis or infections. Head-to-head comparison of HFNO versus BiPAP showed no advantage to either mode of support.

Conclusion: In the preoperative setting, NIV seems to be associated with improved clinical outcomes in specific patient subgroups (obesity, pregnancy). In the postoperative setting, both NIV and HFNO were associated with lower reintubation rates. The literature has provided little evidence regarding the use of non-invasive ventilatory support in other patient subgroups or intraoperatively. There is also little literature regarding the appropriateness of combining different modes of support. In the next years, the combination of several modes of respiratory support should be assessed in targeted populations.

Keywords: Hypoxemia; Non-invasive; Perioperative; Ventilation.

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