Related Experiment Video
Updated: May 16, 2026

Preoxygenation Techniques for Tracheal Intubation in Critically Ill Adults Utilizing Oxygen Mask and Noninvasive Ventilation
Published on: December 5, 2025
How can we improve mask ventilation in patients with obstructive sleep apnea during anesthesia induction?
Yumi Sato1, Aya Ikeda, Teruhiko Ishikawa
1Department of Anesthesiology, Graduate School of Medicine, Chiba University, 1-8-1 Inohana-cho, Chuo-ku, Chiba, 260-8670, Japan.
Abstract:
Recent evidence suggests the possible development of difficult mask ventilation in patients with obstructive sleep apnea. Based on our current understanding of the pathophysiology of pharyngeal airway obstruction in obstructive sleep apnea patients, we conclude that anesthesiologists can decrease respiratory complications during anesthesia induction by conducting careful pre-induction preparations, including body and head positioning and sufficient preoxygenation, and by using the two-hand mask ventilation technique with effective airway maneuvers and appropriate ventilator settings while continuously assessing ventilation status with capnography.
More Related Videos
07:54Drug-Induced Sleep Endoscopy (DISE) with Target Controlled Infusion (TCI) and Bispectral Analysis in Obstructive Sleep Apnea
Published on: December 6, 2016
05:43Topical Airway Anesthesia for Awake-endoscopic Intubation Using the Spray-as-you-go Technique with High Oxygen Flow
Published on: January 13, 2017
Related Concept Videos
Cardiopulmonary Resuscitation II: ACLS Airway Management
Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen
Venturi Mask
The Venturi mask, named after the Venturi effect, is designed to deliver precise oxygen concentrations. It consists of a large tube with an oxygen inlet that narrows down, causing a pressure drop that pulls air in through adjustable side ports. The mask is a lightweight,...
Administering Oxygen by Mask
Administering oxygen by mask is a common nursing intervention that provides supplemental oxygen to patients with respiratory distress or chronic lung conditions. This procedure involves delivering oxygen at a specified rate through a face mask connected to an oxygen source.
Equipment
The equipment necessary for this procedure includes:
Oxygen Delivering System I: Nasal Cannula and Face Mask
Nasal Cannula
A nasal cannula is a lightweight tube split at one end into two prongs and placed in the nostrils. It is typically used to deliver low to medium levels of oxygen.
Suggested flow rate: The suggested flow rate for a nasal cannula typically ranges between 1 and 6 L/min.
Oxygen percentage setting:...
Mechanical Ventilation III: Noninvasive Ventilation
Noninvasive Positive-Pressure Ventilation (NIPPV)
Sleep Apnea
The condition is more prevalent among...