Ferreira JC, et al. - Feasibility of using Neurally Adjusted Ventilatory Assist (NAVA) during spontaneous breathing trials (SBTs) was assessed in this study. Researchers also intended to compare the breathing pattern and patient-ventilator asynchrony of NAVA with Pressure Support Ventilation (PSV) during SBTs. Findings demonstrated that NAVA attenuated patient-ventilator asynchrony index and generated a respiratory pattern similar to PSV during SBTs. Data also indicated that patients considered ready for mechanical ventilation liberation may be submitted to an SBT in NAVA using the same objective criteria used for SBTs in PSV.