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Related Experiment Video

Updated: Jun 9, 2026

Determining and Controlling External Power Output During Regular Handrim Wheelchair Propulsion
08:55

Determining and Controlling External Power Output During Regular Handrim Wheelchair Propulsion

Published on: February 5, 2020

2025 Year in Review-Mechanical Power.

William M LeTourneau1, Gustavo A Cortes Puentes1, Richard A Oeckler1

  • 1Mr. LeTourneau, Dr. Cortes Puentes, and Dr. Oeckler are affiliated with the Mayo Clinic, Rochester, Minnesota.

Respiratory Care
|June 8, 2026
PubMed
Summary
This summary is machine-generated.

Mechanical power, a measure of energy delivered to the lungs during mechanical ventilation, is linked to worse patient outcomes. Optimizing this metric may reduce ventilator-induced lung injury and improve recovery.

Keywords:
lung-protective ventilationmechanical powermechanical ventilationnormalizationthresholds

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A Modeling and Simulation Method for Preliminary Design of an Electro-Variable Displacement Pump
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Related Experiment Videos

Last Updated: Jun 9, 2026

Determining and Controlling External Power Output During Regular Handrim Wheelchair Propulsion
08:55

Determining and Controlling External Power Output During Regular Handrim Wheelchair Propulsion

Published on: February 5, 2020

A Modeling and Simulation Method for Preliminary Design of an Electro-Variable Displacement Pump
09:04

A Modeling and Simulation Method for Preliminary Design of an Electro-Variable Displacement Pump

Published on: June 1, 2022

Area of Science:

  • Critical Care Medicine
  • Pulmonary Physiology

Background:

  • Mechanical ventilation is crucial for acute respiratory failure but can cause lung injury.
  • Lung-protective strategies aim to limit tidal volume, plateau pressure, and driving pressure.
  • Ventilator-induced lung injury remains a significant clinical challenge.

Purpose of the Study:

  • To evaluate mechanical power as a comprehensive metric for assessing energy delivered to the lungs.
  • To explore the association between mechanical power and patient outcomes.
  • To investigate strategies for optimizing mechanical power to reduce lung injury.

Main Methods:

  • Review of observational studies up to 2025 analyzing mechanical power.
  • Integration of tidal volume, airway pressures, breathing frequency, flow, and PEEP into mechanical power calculation.
  • Exploration of normalization strategies, such as indexing to predicted body weight or compliance.

Main Results:

  • Elevated mechanical power is associated with increased mortality, fewer ventilator-free days, and longer ICU stays.
  • Breathing frequency is a significant contributor to elevated mechanical power, even within protective ranges.
  • Normalization strategies show potential but lack consensus on optimal methods.

Conclusions:

  • Mechanical power is a valuable metric integrating multiple ventilator variables.
  • It helps identify contributors to lung stress and strain.
  • It may support individualized ventilator adjustments to mitigate injury risk.