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Related Experiment Video

Updated: Jan 22, 2026

Measurement of the Pressure-volume Curve in Mouse Lungs

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Published on: January 27, 2015

Low Tidal Volumes for Everyone?

Craig R Rackley¹, Neil R MacIntyre¹

¹Department of Medicine, Division of Pulmonary, Allergy, and Critical Care Medicine, Duke University Medical Center, Durham, NC.

|July 1, 2019

Summary

This summary is machine-generated.

Mechanical ventilation can harm lungs, even in healthy patients. Lower tidal volumes, despite potential gas exchange issues, are recommended to reduce lung injury across all patient types.

Keywords:

ARDS low tidal volumes lung-protective ventilation ventilator-induced lung injury

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Area of Science:

Medicine
Pulmonology
Critical Care Medicine

Background:

Mechanical ventilation is a life support system with evolving understanding of its effects.
Historically, high airway pressures and tidal volumes were used to normalize blood gases.
Increased awareness of ventilator-induced lung injury (VILI) has shifted clinical goals.

Purpose of the Study:

To review the evidence on the harmful effects of mechanical ventilation.
To advocate for the adoption of low tidal volume ventilation in all patients.
To discuss the concept of self-induced lung injury.

Main Methods:

Review of existing literature on mechanical ventilation and lung injury.
Analysis of the impact of tidal volumes on gas exchange and patient outcomes.
Discussion of emerging concepts like self-induced lung injury.

Main Results:

High tidal volumes can cause lung injury, even in patients without ARDS.
Lower tidal volumes can mitigate harm, despite potential effects on oxygenation and CO2 clearance.
Patient-generated negative pressures can exacerbate lung injury.

Conclusions:

Low tidal volume ventilation is beneficial for patients with lung injury.
Evidence suggests low tidal volume ventilation should be used in all mechanically ventilated patients.
Minimizing ventilator-induced lung injury is a critical goal in mechanical ventilation.