Rebreathing of Carbon Dioxide With a Device Used for Giving Inhalational Anaesthesia

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT01339013
Recruitment Status : Completed
First Posted : April 20, 2011
Results First Posted : September 11, 2014
Last Update Posted : September 25, 2014
Information provided by (Responsible Party):
Region Skane

Study Type: Interventional
Study Design: Intervention Model: Single Group Assignment;   Masking: None (Open Label);   Primary Purpose: Basic Science
Condition: Anesthetic Ventilatory Requirements
Intervention: Device: Anesthetic Conserving Device (AnaConDa )

  Participant Flow

Recruitment Details
Key information relevant to the recruitment process for the overall study, such as dates of the recruitment period and locations
September 2011 to January 2013, Medical Clinic

Pre-Assignment Details
Significant events and approaches for the overall study following participant enrollment, but prior to group assignment
All recruited patients participated uneventfully.

Reporting Groups
AnaConDa Replaces the Heat and Moisture Exchanger The conventional Heat and Moisture Exchanger is replaced by the AnaConDa which in turn is replaced by the conventional Heat and Moisture Exchanger.

Participant Flow:   Overall Study
    AnaConDa Replaces the Heat and Moisture Exchanger

  Baseline Characteristics

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
A total of 6 patients participated. All 6 started with HME, then AnaConDa, finally HME

Reporting Groups
All Study Participants Heat and Moisture Exchanger, then AnaConDa, finally Heat and Moisture Exchanger

Baseline Measures
   All Study Participants 
Overall Participants Analyzed 
[Units: Participants]
[Units: Years]
Median (Full Range)
 (58 to 75) 
[Units: Participants]
<=18 years   0 
Between 18 and 65 years   4 
>=65 years   2 
[Units: Participants]
Female   1 
Male   5 
Region of Enrollment 
[Units: Participants]
Sweden   6 

  Outcome Measures

1.  Primary:   Airway Dead Space With Devices for Heat and Moisture Exchange of Respiratory Gas.   [ Time Frame: 1 hour ]

  Serious Adverse Events

  Other Adverse Events

  Limitations and Caveats

Limitations of the study, such as early termination leading to small numbers of participants analyzed and technical problems with measurement leading to unreliable or uninterpretable data
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  More Information

Certain Agreements:  
All Principal Investigators ARE employed by the organization sponsoring the study.

Results Point of Contact:  
Name/Title: Dr Louise Walther Sturesson
Organization: Region Skane, Lund University Hospital, Lund, Sweden
phone: +46 46 171953

Publications of Results:

Responsible Party: Region Skane Identifier: NCT01339013     History of Changes
Other Study ID Numbers: 20110322
First Submitted: April 13, 2011
First Posted: April 20, 2011
Results First Submitted: March 14, 2014
Results First Posted: September 11, 2014
Last Update Posted: September 25, 2014