Work of breathing
The effect of pressure support on imposed work of breathing during paediatric extubation readiness testing
... There are a few limitations that need to be discussed. First, the present study is a single-centre study although our unit is comparable to most North-American and European centres and generalisability is high given the ...
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Effects of the components of positive airway pressure on work of breathing during bronchospasm
... pressure work [20], we noted quantitatively different responses in the distribution of work after IPAP and ...inspiratory work decreased after IPAP and CPAP, only the reduction in Pdi work ...
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Imposed work of breathing during high frequency oscillatory ventilation: a bench study
... spontaneous breathing during HFOV is usually not well tolerated because of patient discom- ...imposed work of breathing (WOB). The imposed WOB is the work added to the physio- logic WOB when ...
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Work of Breathing During Constant- and Variable-Flow Nasal Continuous Positive Airway Pressure in Preterm Neonates
... ABSTRACT. Background. Constant-flow nasal con- tinuous positive airway pressure (NCPAP) often is used in preterm neonates to recruit and maintain lung volume. Physical model studies indicate that a variable-flow NC- PAP ...
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Accuracy of delivered airway pressure and work of breathing estimation during proportional assist ventilation: a bench study
... Background: Proportional assist ventilation + (PAV + ) delivers airway pressure (P aw ) in proportion to patient effort (P mus ) by using the equation of motion of the respiratory system. PAV + calculates automatically ...
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Work of Breathing and Different Levels of Volume-Targeted Ventilation
... the work of breathing, was measured for 20 infants (median gestational age: 28 weeks) who were being weaned from respiratory support by using patient-triggered ventilation (either assist-control ventilation ...
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Spontaneous breathing trial and post extubation work of breathing in morbidly obese critically ill patients
... Methods: This was a physiological randomized crossover study in a medical and surgical single-center Intensive Care Unit, in patients with body mass index (BMI) >35 kg/m 2 who were mechanically ventilated for more ...
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Does the tube compensation function of two modern mechanical ventilators provide effective work of breathing relief?
... starts making efforts to breathe, resistance imposed by the ETT increases the resistive work of breathing (WOB) during both the inspiration and the expiration. It is prudent for physicians to recognize the ...
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Increased Work of Breathing Associated with Nasal Prongs
... To see if continuous distending pressure (CDP) given by nasal prongs increases work of breathing, we measured the mechanics of breathing, minute venti-.. lation, and blood gases in nine [r] ...
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CARBON DIOXIDE AND THE WORK OF BREATHING
... To summarize, analyses of variance showed that the models described were highly significantly related p < 0.01 to the parameters of pulmonary mechanics.- The joint effects of pCO2 and In[r] ...
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The Total Work of Breathing in Normal and Obese Men
... Increased oxygen cost of ventilation, decreased lung compliance, increased pressure-volume work done on the lung, and increased intra-abdominal pressure have been reported in the extreme[r] ...
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Pulmonary Mechanics and the Work of Breathing in the Semi Aquatic Turtle, Pseudemys Scripta
... As pump frequency increases, the work required to inflate the multicameral lungs of the turtle begins to contribute an increasing portion to the total mechanical work required to produce[r] ...
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Pulmonary Mechanics and the Work of Breathing in the Lizard, Gekko Gecko
... Static compliances of both isolated lungs and intact respiratory systems have been reported for a few species Jackson, 1971; Cragg, 1978; Gratz, 1978; Hughes & Vergara, 1978; Perry & Dun[r] ...
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Synchronized Nasal Intermittent Positive-Pressure Ventilation and Neonatal Outcomes
... Synchronized nasal intermittent positive pressure ventilation (SNIPPV) decreases work of breathing (WOB) in premature infants with respiratory distress syndrome (RDS) compared to nasal c[r] ...
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Effects of high-flow nasal cannula and non-invasive ventilation on inspiratory effort in hypercapnic patients with chronic obstructive pulmonary disease: a preliminary study
... improved work of breathing and breathing pattern in patients with acute hypoxemic respiratory failure when compared to conventional oxygen therapy [22], and it was not found to be inferior to NIV ...
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The respiratory mechanics of the yacare caiman (Caiman yacare Daudine)
... and work of breathing were determined from pressure- volume loops like the representative loops shown in Figure ...the work to overcome resistive ...the work of overcome elastic forces (area ...
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The respiratory mechanics of the yacare caiman (Caiman yacare)
... the work of breathing in the Crocodilia is required to expand the body wall, as in other reptiles, these measures of static respiratory mechanics only provide information about the work required to ...
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Performance of noninvasive ventilation in acute respiratory failure in critically ill patients: a prospective, observational, cohort study
... decreases work of breathing, improves arterial oxygenation and alveolar ventilation, prevents the use of invasive mechanical ven- tilation, reduces the incidence of ventilator associated pneumonia, ...
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Helium in the adult critical care setting
... and work of breathing just before extubation during two periods of air-oxygen and helium-oxygen ...total work of breathing as well as in its resistive compo- ...in work of ...
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The Effect of Posture on Ventilation and Lung Mechanics in Preterm and Light-for-Date Infants
... “light-for-date.” In the preterm group, tidal volume, mm- ute volume, elastic work, inspiratory viscous work, total viscous work, and the total work of breathing were sig- nificantly gre[r] ...
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