Can't Be Weaned off Ventilator?

Difficulty in weaning from mechanical ventilation is associated with intrinsic lung disease and/or a prolonged critical illness. After critical illness the incidence of weaning failure varies with 20% of all admissions failing initial weaning.

What happens if you can't be weaned off a ventilator?

Failed weaning can be associated with the development of respiratory muscle fatigue, which could predispose to structural muscle injury and hinder future weaning efforts. In fact, it appears that fatigue rarely occurs during a well-monitored SBT as long as the patient is expeditiously returned to ventilatory support.

Is it difficult to wean off a ventilator?

In most patients, mechanical ventilation can be discontinued as soon as the underlying reason for acute respiratory failure has been resolved. However, 20% to 30% of patients are considered difficult to wean from mechanical ventilation.