Neurally Adjusted Ventilatory Assist | 合法醫療器材資訊網

由WVerbrugghe著作·2011·被引用71次—Neurallyadjustedventilatoryassist(NAVA)isthenewestdevelopment.TheimplementationofNAVArequirestheintroductionofacatheterto ...

Mechanical ventilation has, since its introduction into clinical practice, undergone a major evolution from controlled ventilation to various modes of assisted ventilation. Neurally adjusted ventilatory assist (NAVA) is the newest development. The implementation of NAVA requires the introduction of a catheter to measure the electrical activity of the diaphragm (EAdi). NAVA relies, opposite to conventional assisted ventilation modes, on the EAdi to trigger the ventilator breath and to adjust the ventilatory assist to the neural drive. The amplitude of the ventilator assist is determined by the instantaneous EAdi and the NAVA level set by the clinician. The NAVA level amplifies the EAdi signal and determines instantaneous ventilator assist on a breath-to-breath basis. Experimental and clinical data suggest superior patient-ventilator synchrony with...