Les respirateurs d'anesthésie de nouvelle génération vont-ils modifier notre pratique chez l'enfant ?

Odin, I.; Nathan, Nathalie

doi:10.1016/j.annfar.2005.10.003

Cited by 11 publications

(3 citation statements)

References 21 publications

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“…New ventilation modes have been added to anesthesia machines in recent years. [ 21 ] One of them is the addition of auto-flow feature to VC ventilation mode. Auto-flowis a ventilation mode that is able to deliver the preset tidal volume at the lowest inspiratory pressure.…”

Section: Discussionmentioning

confidence: 99%

Respiratory mechanics with volume-controlled auto-flow ventilation mode in cardiac surgery*

et al. 2019

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Section: Discussionmentioning

confidence: 99%

Respiratory mechanics with volume-controlled auto-flow ventilation mode in cardiac surgery*

et al. 2019

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“…[3637] The gas flow is indicated on the screen in the form of bar. Such flowmeters comprise of a needle valve by which gas is conducted to a chamber of known volume having solenoid.…”

Section: Devices For Flow and Volume Measurementmentioning

confidence: 99%

Analysis of oxygen, anaesthesia agent and flows in anaesthesia machine

Garg¹,

Gupta²

2013

Indian J Anaesth

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The technical advancement in the anaesthesia workstations has made the peri-operative anaesthesia more safer. Apart from other monitoring options, respiratory gas analysis has become an integral part of the modern anaesthesia workstations. Monitoring devices, such as an oxygen analyser with an audible alarm, carbon dioxide analyser, a vapour analyser, whenever a volatile anaesthetic is delivered have also been recommended by various anaesthesia societies. This review article discusses various techniques for analysis of flow, volumes and concentration of various anaesthetic agents including oxygen, nitrous oxide and volatile anaesthetic agents.

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“…Historically, the elective intraoperative ventilatory flow in small infants has been decelerating flow (DF) [1, 2]. This was due to because the traditional thinking that a decelerating flow waveform (inherent to pressure control ventilation, PCV) improves oxygenation compared with the square flow waveform (common in volume control ventilation, VCV) related to a better intrapulmonary gas distribution.…”

Section: Introductionmentioning

confidence: 99%

Effects of different flow patterns and end-inspiratory pause on oxygenation and ventilation in newborn piglets: an experimental study

et al. 2014

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BackgroundHistorically, the elective ventilatory flow pattern for neonates has been decelerating flow (DF). Decelerating flow waveform has been suggested to improve gas exchange in the neonate when compared with square flow (SF) waveform by improving the ventilation perfusion. However, the superiority of DF compared with SF has not yet been demonstrated during ventilation in small infants. The aim of this study was to compare SF vs. DF, with or without end-inspiratory pause (EIP), in terms of oxygenation and ventilation in an experimental model of newborn piglets.MethodsThe lungs of 12 newborn Landrace/LargeWhite crossbred piglets were ventilated with SF, DF, SF-EIP and DF-EIP. Tidal volume (VT), inspiratory to expiratory ratio (I/E), respiratory rate (RR), and FiO2 were keep constant during the study. In order to assure an open lung during the study while preventing alveolar collapse, a positive end-expiratory pressure (PEEP) of 6 cmH2O was applied after a single recruitment maneuver. Gas exchange, lung mechanics and hemodynamics were measured.ResultsThe inspiratory flow waveform had no effect on arterial oxygenation pressure (PaO2) (276 vs. 278 mmHg, p = 0.77), alveolar dead space to alveolar tidal volume (VDalv/VTalv) (0.21 vs. 0.19 ml, p = 0.33), mean airway pressure (Pawm) (13.1 vs. 14.0 cmH2O, p = 0.69) and compliance (Crs) (3.5 vs. 3.5 ml cmH2O−1, p = 0.73) when comparing SF and DF. A short EIP (10%) did not produce changes in the results.ConclusionThe present study showed that there are no differences between SF, DF, SF-EIP and DF-EIP in oxygenation, ventilation, lung mechanics, or hemodynamics in this experimental model of newborn piglets with healthy lungs.

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Les respirateurs d'anesthésie de nouvelle génération vont-ils modifier notre pratique chez l'enfant ?

Cited by 11 publications

References 21 publications

Respiratory mechanics with volume-controlled auto-flow ventilation mode in cardiac surgery*

Respiratory mechanics with volume-controlled auto-flow ventilation mode in cardiac surgery*

Analysis of oxygen, anaesthesia agent and flows in anaesthesia machine

Effects of different flow patterns and end-inspiratory pause on oxygenation and ventilation in newborn piglets: an experimental study

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