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Critical Care
Published in: Critical Care 4/2013

Open Access 01-08-2013 | Research

Electrical activity of the diaphragm (EAdi) as a monitoring parameter in difficult weaning from respirator: a pilot study

Authors: Jürgen Barwing, Cristina Pedroni, Ulrike Olgemöller, Michael Quintel, Onnen Moerer

Published in: Critical Care | Issue 4/2013

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Abstract

Introduction

A reliable prediction of successful weaning from respiratory support may be crucial for the overall outcome of the critically ill patient. The electrical activity of the diaphragm (EAdi) allows one to monitor the patients’ respiratory drive and their ability to meet the increased respiratory demand. In this pilot study, we compared the EAdi with conventional parameters of weaning failure, such as the ratio of respiratory rate to tidal volume.

Methods

We studied 18 mechanically ventilated patients considered difficult to wean. For a spontaneous breathing trial (SBT), the patients were disconnected from the ventilator and given oxygen through a T-piece. The SBT was evaluated by using standard criteria.

Results

Twelve patients completed the SBT successfully, and six failed. The EAdi was significantly different in the two groups. We found an early increase in EAdi in the failing patients that was more pronounced than in any of the patients who successfully passed the SBT. Changes in EAdi predicted an SBT failure earlier than did conventional parameters.

Conclusions

EAdi monitoring adds valuable information during weaning from the ventilator and may help to identify patients who are not ready for discontinuation of respiratory support.
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Metadata
Title
Electrical activity of the diaphragm (EAdi) as a monitoring parameter in difficult weaning from respirator: a pilot study
Authors
Jürgen Barwing
Cristina Pedroni
Ulrike Olgemöller
Michael Quintel
Onnen Moerer
Publication date
01-08-2013
Publisher
BioMed Central
Published in
Critical Care / Issue 4/2013
Electronic ISSN: 1364-8535
DOI
https://doi.org/10.1186/cc12865

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