Introduction:

ventilator-induced lung injury (VILI) is the result of the interaction between what the ventilator delivers to the lung parenchyma and how the parenchyma accepts it, and the occurrence of this leads to significant attributable mortality in acute respiratory distress syndrome (ARDS), Mechanical Power is a variable that includes all potential causes of VILI.

Objective:

to describe the importance of mechanical power (MP) in different patient populations and our current knowledge of this variable.

Conclusions:

estimates of stress and strain are not readily available in the clinical setting, PM is a good surrogate of these, this formula derived from the equation of motion and currently simplified is of great utility in different patient populations developing ARDS, available at the bedside as a variable that can be included to monitor ventilator safety and guide lung protection strategies, as well as identify the development of VILI.

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