Pressure Support Ventilation With the Anesthetic Conserving Device

September 2, 2013 updated by: University Hospital, Clermont-Ferrand

Respiratory Mechanical Effects of Sevoflurane Administered With the Anesthetic Conserving Device in Pressure Support Ventilation

Sevoflurane inhalational anesthetic has got pulmonary effects such as bronchodilatation. These effects could be of interest in intensive care patients ventilated in pressure support ventilation mode. The purpose of this study is to evaluate mechanical respiratory effects of sevoflurane administered through a new specific heat and moister exchanger called the Anesthetic Conserving Device (AnaConDa®) in pressure support ventilation in intensive care patients. In fact, dead space and resistance generated by the device could cancel and even deteriorate the potential positive effects of sevoflurane on ventilation.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

Pharmacological sedation is often necessary in mechanical ventilated intubated patient. Since a little time, sevoflurane can be used in the intensive care unit via a specific heat and moister exchanger called the Anesthetic Conserving Device (AnaConDa®, SedanaMedical AB, Uppsala, Sweden) placed between the Y piece of the ventilatory circuit and the endotracheal tube. Sevoflurane is known to have ventilatory interesting effects such as bronchodilatation that can be useful in the treatment of severe asthma. These effects could be of interest in the intensive care ventilated patients. On the other hand, the AnaConDa® device could have negative influence on ventilatory mechanics caused by the increased dead space and the resistance to air flow. This negative effect with worsening of work of breathing (WOB) was demonstrated with classic heat and moister exchanger compared to heated humidifiers in pressure support ventilation (PSV). In this way, we would like to study the mechanical effects of the sevoflurane administered with the AnaConDa® compared to a classic management with a heated humidifier and sedation with intravenous remifentanil in PSV consecutive intensive care patients.

Study Type

Interventional

Enrollment (Actual)

15

Phase

  • Phase 3

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • France
      • Clermont-Ferrand, France, 63003
        • Chu Clermont-Ferrand

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

14 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Adults ICU patients who are no more in acute state, intubated and ventilated in pressure support ventilation with intravenous sedation by remifentanil, with light sedation (RASS -1 to -2).

Exclusion Criteria:

  • Respiratory distress.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Diagnostic
  • Allocation: Non-Randomized
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Work Of Breathing (WOB) measured during the last 5 minutes of the 20 minutes period of each treatment
Time Frame: during the last 5 minutes of the 20 minutes period of each treatment
during the last 5 minutes of the 20 minutes period of each treatment

Secondary Outcome Measures

Outcome Measure
Time Frame
Intrinsic positive end expiratory pressure (PEEPi), occlusion pressure (P0,1), peak expiratory resistance, respiratory rate, tidal volume, minute ventilation, death space volume.
Time Frame: in PSV consecutive intensive care patients
in PSV consecutive intensive care patients

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

University Hospital, Clermont-Ferrand

Investigators

  • Principal Investigator: Jean-Michel CONSTANTIN, General ICU, University Hospital, Clermont-Ferrand

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

November 1, 2009

Primary Completion (Actual)

August 1, 2013

Study Completion (Actual)

August 1, 2013

Study Registration Dates

First Submitted

November 20, 2009

First Submitted That Met QC Criteria

November 20, 2009

First Posted (Estimate)

November 23, 2009

Study Record Updates

Last Update Posted (Estimate)

September 4, 2013

Last Update Submitted That Met QC Criteria

September 2, 2013

Last Verified

September 1, 2013

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • CHU-0062

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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