Influence of the humidification device during acute respiratory distress syndrome

Prat, Gwénaël; Renault, Anne; Tonnelier, Jean-Marie; Goetghebeur, David; Oger, Emmanuel; Boles, Jean-Michel; L’Her, Erwan

doi:10.1007/s00134-003-1926-5

Cited by 45 publications

(31 citation statements)

References 21 publications

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“…Lastly, to prevent undesirable hypercapnia, one can also reduce apparatus dead space by switching from a large to small volume heat and moisture exchanger, or to a heater humidifier (41,42).…”

Section: Respiratory Ratementioning

confidence: 99%

Perioperative ventilatory strategies in cardiac surgery

Lellouche

Delorme

Bussières

et al. 2015

Best Practice & Research Clinical Anaesthesiology

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Section: Respiratory Ratementioning

confidence: 99%

Perioperative ventilatory strategies in cardiac surgery

Lellouche

Delorme

Bussières

et al. 2015

Best Practice & Research Clinical Anaesthesiology

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“…Heat and moist exchange humidifiers have many advantages over other humidifiers: they reduce water condensation and thereby prevent bacterial colonisation; the added advantage of HMEs are that the circuit need not be broken either to remove the condensate or to aspirate the endotracheal secretions. 23 The contraindications for use of HMEs are that there is risk of airway occlusion from insufficient humidity, increased dead space in patients receiving lung protective ventilation, and small tidal volumes. These humidifiers are also inexpensive.…”

Section: Type Of Circuitmentioning

confidence: 99%

Ventilator-associated pneumonia

Charles

Kali

Easow

et al. 2014

amj

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VAP is a common nosocomial infection associated with ventilated patients. The mortality associated with VAP is high. The organisms associated with VAP and their resistance pattern varies depending on the patient group and hospital setting. The diagnostic methods available for VAP are not universal; however, a proper infection control policy with appropriate antibiotic usage can reduce the mortality rate among ventilated patients.

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“…In patients with ARDS, where low tidal volumes are used, and when managing hypercapnia is warranted, HMEs should be avoided. 29 …”

Section: 2mentioning

confidence: 99%

“…25,28 4.5 Use of an HME may be contraindicated for patients with high spontaneous minute volumes (Ͼ 10 L/ min). 29,30 4.6 An HME must be switched to the aerosol bypass mode or removed from the patient circuit during aero-sol treatments when the nebulizer is placed in the patient circuit. [32][33][34][35] 4.7 The resistance and dead space of the HME may negate the effects of the noninvasive positive pressure and add additional work of breathing.…”

Section: 4mentioning

confidence: 99%

“…While temperatures could be measured at the outlet port of the HH, it should always be measured near the patient's airway. 6,29 The ISO recommends that the measured gas temperature should be always within Ϯ 2°C of the arithmetic mean of the 2 standard temperature sensors in a steady-state condition for the maximum set temperature. 11 10.2.1 The inspiratory gas should not exceed 41°C at the circuit Y-piece, with an over-temperature limit at 43°C, at which point the heater should shut down.…”

Section: Hmv 100 Monitoringmentioning

confidence: 99%

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Humidification During Invasive and Noninvasive Mechanical Ventilation: 2012

2012

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When the upper airway is bypassed during invasive mechanical ventilation, humidification is necessary to prevent hypothermia, disruption of the airway epithelium, bronchospasm, atelectasis, and airway obstruction. In severe cases, inspissation of airway secretions may cause occlusion of the endotracheal tube. 1 While there is not clear consensus on whether or not additional heat and humidity are always necessary when the upper airway is not bypassed, such as in noninvasive mechanical ventilation (NIV), active humidification is highly suggested to improve comfort. [2][3][4][5][6][7] Two systems, active humidification through a heated humidifier (HH) and passive humidification through a heat and moisture exchanger (HME), are available for warming and humidifying gases delivered to mechanically ventilated patients. There are 3 types of HME or artificial nose: hydrophobic, hygroscopic, and a filtered HME.Heated humidifiers operate actively to increase the heat and water vapor content of inspired gas. 8 HMEs operate passively by storing heat and moisture from the patient's exhaled gas and releasing it to the inhaled gas. 9 The upper airway provides 75% of the heat and moisture supplied to the alveoli. When bypassed, the humidifier needs to supply this missing heat and moisture. Since The authors have disclosed a relationship with Teleflex Medical, which manufactures humidification devices.

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Influence of the humidification device during acute respiratory distress syndrome

Abstract: Artificial airway dead-space reduction allows a significant PaCO(2) reduction. Independently of any respiratory mechanical changes, this very simple maneuver may be of importance when low tidal volume ventilation is used in ARDS patients, and when PaCO(2) lowering is warranted.

Cited by 45 publications

References 21 publications

Perioperative ventilatory strategies in cardiac surgery

Perioperative ventilatory strategies in cardiac surgery

Ventilator-associated pneumonia

Humidification During Invasive and Noninvasive Mechanical Ventilation: 2012

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