Effect of I:E Ratio on Mean Alveolar Pressure in High Frequency Oscillation 201
نویسندگان
چکیده
منابع مشابه
Effect of I/E ratio on mean alveolar pressure during high-frequency oscillatory ventilation.
This study investigated factors contributing to differences between mean alveolar pressure (PA) and mean pressure at the airway opening (Pao) during high-frequency oscillatory ventilation (HFOV). The effect of the inspiratory-to-expiratory time (I/E) ratio and amplitude of oscillation on the magnitude of - Pao (Pdiff) was examined by using the alveolar capsule technique in normal rabbit lungs (...
متن کاملEffect of the TI/TE ratio on mean intratracheal pressure in high-frequency oscillatory ventilation.
In high-frequency oscillatory ventilation (HFOV), an adequate mean airway pressure is crucial for successful ventilation and optimal gas exchange, but air trapping cannot be detected by the usual measurement at the y piece. Intratracheal pressures produced by the high-frequency oscillators HFV-Infantstar (IS), Babylog 8000 (BL), and the SensorMedics 3100A (SM) [the latter with either 30% (SM30)...
متن کاملOptimal mean airway pressure during high-frequency oscillation: predicted by the pressure-volume curve.
BACKGROUND A number of groups have recommended setting positive end-expiratory pressure during conventional mechanical ventilation in adults at 2 cm H2O above the lower corner pressure (P(CL)) of the inspiratory pressure-volume (P-V) curve of the respiratory system. No equivalent recommendations for the setting of the mean airway pressure (Paw) during high-frequency oscillation (HFO) exist. The...
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Effect of oral high frequency oscillation.
Laros et al. state probably on the basis of experience in one patient that oral high frequency oscillation (OHFO) combined with forced expiration manoeuvres on tracheobronchial clearance is disappointing in patients with flaccid lungs. Their letter to the editor suggests that our conclusions, meaning that OHFO combined with forced expiration manoeuvres is inefficient, could not be made because ...
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ژورنال
عنوان ژورنال: Pediatric Research
سال: 1996
ISSN: 0031-3998,1530-0447
DOI: 10.1203/00006450-199609000-00224