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https://www.researchgate.net/publication/11828679_Automation_of_expiratory_trigger_sensitivity_in_pressure_support_ventilation
Automation of expiratory trigger sensitivity in pressure support ventilation Article in Respiratory Care Clinics 7(3):503-17, x · October 2001 with 237 Reads How we measure 'reads'
https://www.atsjournals.org/doi/full/10.1164/rccm.200407-880OC
Nov 15, 2005 · During pressure-support ventilation, the ventilator cycles from inspiration to expiration when inspiratory flow decreases to a given percentage of peak inspiratory flow, a set-point known as “expiratory trigger” (ET) ().On most available intensive care ventilators, ET is usually set at 25%.Cited by: 201
http://rc.rcjournal.com/content/62/5/550
May 01, 2017 · In a lung model study, we demonstrated that mechanical ventilation asynchrony was influenced by the duration of respiratory muscle effort, respiratory mechanics, ventilator type, and ventilation mode. In pressure support ventilation mode, delayed cycling was more common with shorter efforts in the obstructive respiratory mechanics profile ...Cited by: 5
http://rc.rcjournal.com/content/56/1/39
Jan 01, 2011 · With current ventilator triggering design, in initiating ventilator breaths patient effort is only a small fraction of the total effort expended to overcome the inspiratory load. Similarly, advances in ventilator pressure or flow delivery and inspiratory flow termination improve patient effort or inspiratory muscle work during mechanical ventilation. Yet refinements in ventilator design do not ...Cited by: 71
https://ccforum.biomedcentral.com/articles/10.1186/cc5852
Jun 19, 2007 · We prospectively evaluated 20 mechanically ventilated adult ICU patients recovering from acute respiratory failure that could be ventilated with pressure support of 15 cmH 2 O, PEEP of 5 cmH 2 O and FIO 2 of 40%. The patients were ventilated by two different trigger systems during pressure support ventilation: a flow trigger of 2 l/min or a pressure trigger (-2 cmH 2 O) during pressure support ...
https://www.physiology.org/doi/pdf/10.1152/jappl.2000.88.6.2143
ratio of the ventilator set pressure support level (Pps) to patient inspiratory muscle pressure (Pmus). The use of this model for automation of expiratory trigger sensitivity in the development of future mechanical ventilators is also possible. METHODS The Model During partial ventilatory support, the motion of the respiratory system can be ...Cited by: 149
https://link.springer.com/article/10.1007/s00134-004-2274-9
Mar 27, 2004 · Pressure Support Ventilation ... Automation of expiratory trigger sensitivity in pressure support ventilation. Respir Care Clin N Am 7:503–517 PubMed Google Scholar. 3. Younes M, Kun J, Webster K, Roberts D (2002) Response of ventilator-dependent patients to …Cited by: 1
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3701392/
Advances in ventilator modes include closed-loop systems that facilitate ventilator manipulation of variables based on measured respiratory parameters. Adaptive support ventilation (ASV) is a positive pressure mode of mechanical ventilation that is closed-loop controlled, and automatically adjust based on the patient's requirements.
https://www.physiology.org/doi/10.1152/jappl.2000.88.6.2143
A mathematical model was developed to analyze the mechanisms of expiratory asynchrony during pressure support ventilation (PSV). Solving the model revealed several results. 1) Ratio of the flow at ...Cited by: 149
http://journals.lww.com/anesthesia-analgesia/pages/articleviewer.aspx?year=2009&issue=02000&article=00028&type=Fulltext
During PS ventilation, the flow trigger was set at 2.0 L/s, expiratory trigger sensitivity at 25%, and pressure ramp at 50 ms. In case of too many or too long apnoeic episodes, the patient returned to PC. Synchronized intermittent mandatory ventilation was never to be used.
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