- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02998749
Gasping Improves Long-term Survival After Out-of-hospital Cardiac Arrest
Agonal Breathing is a Positive Predictive Factor of Long Term Survival After Out-of-hospital Cardiac Arrest
Study Overview
Status
Conditions
Detailed Description
Aims Agonal breathing ("gasping for air") has previously been found to be associated with the outcomes of out-of-hospital cardiac arrest (OHCA) patients on which resuscitation was attempted. On the other hand, little is known, about agonal breathing with regard to whether it is a positive factor for survival after hospital admission and how it relates to the patient's future quality of life. For this reason we have undertaken a retrospective study using a comprehensive emergency medical service (EMS) database from the Central Bohemian region of the Czech Republic. The primary endpoint of the study was to assess if agonal breathing present when EMS arrives has a positive impact on the six-month survival of OHCA patients, which was independent of other factors like EMS response time and BLS provision. The secondary endpoints sought to determine if agonal breathing positively impacts ROSC and an evaluation of various factors that can influence agonal breathing, specifically response time and provision of BLS.
Method The data were recorded using the Utstein protocol. Only anonymized data were used for analysis. The data were derived from the EMS registry of the Central Bohemian Region, which is the largest EMS in the Czech Republic. The study sample included all OHCA cases, of presumed cardiac origin, that where resuscitated by the EMS between 1st July 2013 and 30th June 2014 (n = 584). Two subsequent patient outcomes: (1) return of spontaneous circulation (defined as spontaneous circulation at hospital admission) and (2) six-month survival were assessed in patients with and without agonal breathing. Six-month survival data of OHCA patients of presumed cardiac origin was derived from administrative insurance registries or medical records of patients, with only aggregated data being available.
Factors that may influence the presence of agonal breathing, specifically BLS provision before a professional EMS team reached the patient and second, EMS team response times, were also examined. BLS provision by lay persons was reported by the first-on-scene EMS team as (yes/no) and phone assisted CPR was registered by the dispatcher as (yes/no). BLS was considered to have been provided if any of the following activities (1) resuscitation by a bystander, (2) phone assisted CPR, or (3) both were recorded as having been performed. The response time was calculated as the elapsed time between recorded activation of an EMS team and the on scene arrival time.
Other covariates such as age and sex were also available and analyzed. The initial difference in response time between the groups was assessed using the T-test. For categorical variables, the chi-square test was used. Simple and multivariate logistic regression models were used to assess relationships between factors related to the presence of agonal breathing and ROSC. A p-value of < 0.05 was considered statistically significant.
Study Type
Enrollment (Actual)
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Child
- Adult
- Older Adult
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria: all out-of-hospital cardiac arrest cases, of presumed cardiac origin, that where resuscitated by the emergency medical service of Central Bohemia region between 1st July 2013 and 30th June 2014 (n = 584) -
Exclusion Criteria: other than non-cardiac cause of cardiac arrest
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Study Plan
How is the study designed?
Design Details
- Observational Models: Case-Control
- Time Perspectives: Prospective
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
association between agonal breathing and long-term survival
Time Frame: 6 months after successful resuscitation
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6 months after successful resuscitation
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Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
impact of agonal breathing on return of spontaneous circulation
Time Frame: immediately after resuscitation
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immediately after resuscitation
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Collaborators and Investigators
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- Gasping1
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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