Why the study?
Is lower interbreath interval complexity associated with extubation failure in mechanically ventilated patients?
Is lower interbreath interval complexity associated with extubation failure in mechanically ventilated patients?
Interbreath interval complexity measured by nonlinear techniques may serve as a useful bedside marker to predict extubation success.
Greater interbreath irregularity was associated with extubation success; hypothesis-generating for nonlinear complexity as a weaning marker.
In intubated patients, the interbreath interval in those who were successfully separated from mechanical ventilation was more irregular than those who failed, as measured by nonlinear techniques. When available at bedside, these metrics may be useful markers of pulmonary health and assist in clinical decision making.
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White et al. (2010) studied this question.
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