Quality of Cardiopulmonary Resuscitation Without and With Defibrillator Feedback

August 24, 2007 updated by: University of Oslo

Can the Quality of Cardiopulmonary Resuscitation Improve With Direct Online Feedback From the Defibrillator to the Rescuers on Their Resuscitation Efforts

Quality of bystander cardiopulmonary resuscitation (CPR) affect patient survival. Quality of professional CPR on patients has not been studied in detail, but it is regularly reported that the quality when tested on manikins deteriorates dramatically within months after training. Automated direct feedback on CPR quality from manikins brings quality back within a couple of minutes. Similar feedback has been incorporated into a defibrillator which also monitors quality of CPR. We hypothesise that quality of professional clinical CPR improves with such feedback

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

Defibrillators which monitor quality of CPR via changes in thoracic impedance (for ventilation) and movement of the sternum employing an accelerometer (for chest compressions) will be employed in ambulances in Akershus county (Norway), Stockholm (Sweden) and London (UK). During phase 1 quality of CPR will be monitored without feedback from the defibrillator. During phase 2 the ambulance personnel will receive feedback via the defibrillator. During phase 3 the ambulance personnel will be retrained with particular attention to the quality problems that became apparent in phase 3.

Quality of CPR will be continuously recorded by the defibrillators and the data collected and sent via internet to Laerdal Medical. All other cardiac arrest data including survival will be recorded using standard datasets for cardiac arrest research as developed by a task force with members from the organisations in International Liaison Committee on resuscitation (Utstein guidelines). The data will be annotated and analyzed in detail by researchers at University of Oslo

Study Type

Interventional

Enrollment

300

Phase

  • Phase 2

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

  • Norway
      • Oslo, Norway, N-0407
        • Ullevål University Hospital
  • Sweden
      • Stockholm, Sweden
        • Stockholm Ambulance Service
  • United Kingdom
      • London, United Kingdom
        • London Ambulance Service

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

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Cardiac arrest out-of-hospital

Exclusion Criteria:

  • < 18 years old

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

What is the study measuring?

Primary Outcome Measures

Outcome Measure
chest compression depth
fraction of time without CPR
chest compression frequency
chest compression/decompression duty cycle
ventilation frequency

Secondary Outcome Measures

Outcome Measure
rate of return of spontaneous circulation

Collaborators and Investigators

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

Sponsor

University of Oslo

Collaborators

Ullevaal University Hospital
University of Chicago
Norwegian Air Ambulance Foundation
Laerdal Medical
London Ambulance Service
Health Region East, Norway
Stockholm Ambulance Service

Investigators

  • Principal Investigator: Petter A Steen, University of Oslo, Ulleval University Hospital

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

March 1, 2002

Study Completion (Actual)

June 1, 2006

Study Registration Dates

First Submitted

August 29, 2005

First Submitted That Met QC Criteria

August 29, 2005

First Posted (Estimate)

August 30, 2005

Study Record Updates

Last Update Posted (Estimate)

August 27, 2007

Last Update Submitted That Met QC Criteria

August 24, 2007

Last Verified

August 1, 2007

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 402-01139
  • 2002-OSL-MDD-0009 (DNVeritas)

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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