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Related Experiment Video

Updated: Jun 1, 2026

A Mouse Model of Orotracheal Intubation and Ventilated Lung Ischemia Reperfusion Surgery

A Mouse Model of Orotracheal Intubation and Ventilated Lung Ischemia Reperfusion Surgery

Published on: September 9, 2022

Mini-ventilation for improved oxygenation during lung resection surgery.

M Y Shechtman¹, A Ziser, M Barak

¹Department of Anesthesiology, Rambam Health Care Campus Teaching Hospital, Haifa, Israel.

Anaesthesia and Intensive Care

|June 17, 2011

Summary

This summary is machine-generated.

Mini-ventilation significantly improves oxygenation during lung resection surgery compared to continuous positive airway pressure (CPAP). However, it may interfere with surgical exposure, suggesting its use for hypoxemia refractory to CPAP.

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Last Updated: Jun 1, 2026

A Mouse Model of Orotracheal Intubation and Ventilated Lung Ischemia Reperfusion Surgery

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Preoxygenation Techniques for Tracheal Intubation in Critically Ill Adults Utilizing Oxygen Mask and Noninvasive Ventilation

Preoxygenation Techniques for Tracheal Intubation in Critically Ill Adults Utilizing Oxygen Mask and Noninvasive Ventilation

Published on: December 5, 2025

Area of Science:

Anesthesiology
Thoracic Surgery
Respiratory Physiology

Background:

Lung separation during resection surgery can cause hypoxemia due to increased pulmonary shunt.
Optimizing oxygenation is critical during lung resection procedures.

Purpose of the Study:

To compare the efficacy of mini-ventilation versus continuous positive airway pressure (CPAP) in improving oxygenation during lung resection.
To evaluate the impact of these methods on respiratory mechanics and surgical field exposure.

Main Methods:

A randomized, single-blinded crossover study involving 38 adult patients undergoing lung resection.
Alternating application of mini-ventilation and CPAP (5 cmH2O) to the non-dependent lung every 15 minutes post-lung separation.
Monitoring of arterial blood gases, airway pressures, lung compliance, and surgical conditions.

Main Results:

Mini-ventilation resulted in significantly higher partial pressure of arterial oxygen (379 mmHg) compared to CPAP (228 mmHg).
No significant differences were observed in dependent lung peak inspiratory pressure or dynamic compliance between the two methods.
Surgical conditions were rated similar in 53% of cases, with a preference for CPAP in 44% and mini-ventilation in 3%.

Conclusions:

Mini-ventilation is an effective method for enhancing oxygenation during lung resection.
Its application should be considered for cases of hypoxemia unresponsive to CPAP, given potential interference with surgical field exposure.