Extubational Difficulty

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There have been several studies attempting to clearly identify the risk factors for the extubational difficulty. First of all, Demling et al. prospectively investigated the use of standard criteria for extubation in 700 patients in ICU, but could not find any good predictors for extubation failure (Demling et al., 1988). Leak test is still the controversial routine choice of many practitioners used to predict the potential occurrence for airway edema evaluating whether the airway caliber is sufficient for ventilation (Chung et al., 2006; Ding et al., 2006; Kriner, Shafazand & Colice, 2005). In one study, the evaluation of the leak test in 72 spontaneously breathing ICU patients indicated that the presence of a cuff leak may associated with
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