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Monitoring and humidification during Tracheal Gas Insufflation

Delgado, E and Hoffman, LA and Tasota, FJ and Pinsky, MR (2001) Monitoring and humidification during Tracheal Gas Insufflation. Respiratory Care, 46 (2). 185 - 192. ISSN 0020-1324

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Abstract

In order to use tracheal gas insufflation (TGI) in a safe and effective manner, it is important to understand potential interactions between TGI and the mechanical ventilator that may impact upon gas delivery and carbon dioxide (CO2) elimination. Furthermore, potentially serious complications secondary to insufflation of cool, dry gas directly into the airway and the possibility of tube occlusion must be considered during use of this adjunct modality to mechanical ventilation. Regardless of the delivery modality (continuous TGI, expiratory TGI, reverse TGI, or bidirectional TGI), conventional respiratory monitoring is required. However, TGI with mechanical ventilation can alter tidal volume and peak inspirator) pressure and can lead to the development of intrinsic positive end-expiratory pressure. Therefore, depending on the gas delivery technique used, it is important to carefully monitor these ventilatory parameters for TGI-induced changes and understand the potential need for adjustments to ventilator settings to facilitate therapy and avoid problems. Optimally, gas insufflated by the TGI catheter should be conditioned by addition of heat and humidity to prevent mucus plug formation and potential damage to the tracheal mucosa. Finally, patients must be closely monitored for increases in peak inspiratory pressure from obstruction of the tracheal tube and should have the TGI catheter removed and inspected every 8-12 hours to assess for plugs.


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Details

Item Type: Article
Status: Published
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Delgado, E
Hoffman, LAlhof@pitt.eduLHOF
Tasota, FJ
Pinsky, MRpinsky@pitt.eduPINSKY
Date: 1 February 2001
Date Type: Publication
Journal or Publication Title: Respiratory Care
Volume: 46
Number: 2
Page Range: 185 - 192
Schools and Programs: School of Medicine > Critical Care Medicine
Refereed: Yes
ISSN: 0020-1324
PubMed ID: 11175247
Date Deposited: 22 Mar 2012 20:59
Last Modified: 03 Feb 2019 06:55
URI: http://d-scholarship.pitt.edu/id/eprint/11440

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