Mechanical power (medicine)

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Mechanical power
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Respiratory therapist examining a mechanically ventilated patient on an Intensive Care Unit. The more time a patient spends exposed to the forces applied to them by a mechanical ventilator, the higher the risk of suffering a ventilator-associated lung injury.
"Mechanical power" redirects here. Not to be confused with
Mechanical power (physics)
.

In

mechanical ventilator.[1][2][3][4][5]

While in many cases mechanical ventilation is a life-saving or life-preserving intervention, it also has the potential to cause harm to the patient via

volutrauma caused by distension of the lungs, rheotrauma caused by fast-flowing delivery of gases and atelectotrauma
resulting from repeated collapse and re-opening of the lung.

The purpose of mechanical power is to provide a quantity which can account for all of these stresses and therefore predict the amount of lung injury which is likely to be seen in the patient.

References

  1. S2CID 24768717
    .
  2. PMID 28904482
    .
  3. PMID 28828361
    .
  4. PMID 28701178
    .
  5. S2CID 8752045
    .

There is no agreed upon equation for Mechanical Power.

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