At-Home Automated External Defibrillator (AED) Training Study

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

305 participants

Study Classification

INTERVENTIONAL

Study Start Date

2004-07-31

Study Completion Date

2011-03-31

Brief Summary

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The purpose of the research is to determine the best automated external defibrillator (AED) training approach for high-risk patients and their family members with regard to AED skills retention and psychological adjustment.

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Detailed Description

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In the past 3 decades, advances in the understanding of the resuscitation of cardiac arrest have provided opportunities to strengthen the links in the chain of survival. Despite the apparent progress, however, survival has remained poor. Cardiac arrest is a leading cause of mortality in the US, accounting for up to 450,000 deaths annually. Eighty percent of all cardiac arrest events are caused by the arrhythmia, ventricular fibrillation. Prompt electrical defibrillation is the only effective therapy. The time interval from collapse to attempted defibrillation is the most important determinant of outcome. The chance of survival decreases on average by approximately 10-15% for every minute that elapses prior to attempted defibrillation. Thus, methods to decrease the time interval between collapse and electrical defibrillation represent a true opportunity to improve survival from cardiac arrest.

Even in communities where emergency medical systems are best situated to treat cardiac arrest, response intervals are on average greater than 6 minutes. The development of the automated external defibrillator (AED) provides the possibility to decrease the interval from collapse to defibrillation by enabling persons outside the traditional emergency medical services response system who are typically not trained in rhythm recognition to deliver life-saving therapy. The AED is a device that can be applied in case of cardiac arrest and will assess the heart rhythm and instruct the bystander whether to provide a shock. In addition, approximately 75% of cardiac arrests occur in the home and are witnessed or found by a family member. Thus, a family responder AED program, where family members of persons at relatively high risk of cardiac arrest are equipped and trained with AEDs, may in part, decrease the interval from collapse to shock in cardiac arrest and improve outcome. Persons who have recently been hospitalized for an acute coronary syndrome are known to be at elevated risk for cardiac arrest. Indeed, the provision of an AED for home use is already in practice. However, it is not clear what method should be used to train family members in this potentially lifesaving set of skills. The purpose of the proposed study is to evaluate 4 different AED training methods to determine if the training approaches differentially affect AED skill retention or psychological status. Although the programs span the spectrum from streamlined to personalized and intensive, each approach constitutes a potential real-world, generalizable AED training method.

Conditions

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Myocardial Infarction Heart Arrest Chest Pain Congestive Heart Failure Angina, Unstable

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Blinding Strategy

NONE

Study Groups

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2

Group II

Group Type ACTIVE_COMPARATOR

Group II: Video training + enhanced self-efficacy (SE)

Intervention Type BEHAVIORAL

Partcipants will receive the AED with instructional video, a manikin, and additional training materials by mail.

3

Group Type ACTIVE_COMPARATOR

Group III: In-person training + enhanced SE

Intervention Type BEHAVIORAL

Participants will receive a face-to-face training session in their home as well as the AED with instructional video, manikin and training materials.

4

Group Type ACTIVE_COMPARATOR

Group IV: In-person training + enhanced SE + support

Intervention Type BEHAVIORAL

Participants will receive a face-to-face training session in their home as well as the AED, instructional video, manikin, and a resource manual with information to enhance the family member's confidence in their role as care provider.

1

Group I

Group Type ACTIVE_COMPARATOR

Group I: Video training

Intervention Type BEHAVIORAL

Participants will receive the AED with a video that provides "instructional" training.

Interventions

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Group I: Video training

Participants will receive the AED with a video that provides "instructional" training.

Intervention Type BEHAVIORAL

Group II: Video training + enhanced self-efficacy (SE)

Partcipants will receive the AED with instructional video, a manikin, and additional training materials by mail.

Intervention Type BEHAVIORAL

Group III: In-person training + enhanced SE

Participants will receive a face-to-face training session in their home as well as the AED with instructional video, manikin and training materials.

Intervention Type BEHAVIORAL

Group IV: In-person training + enhanced SE + support

Participants will receive a face-to-face training session in their home as well as the AED, instructional video, manikin, and a resource manual with information to enhance the family member's confidence in their role as care provider.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* Hospitalized for acute myocardial infarction, unstable angina, cardiac chest pain, congestive heart failure with ejection fraction less than 40, a cardiac procedure with a documented history of coronary artery disease
* Resides in Pierce, King, or Snohomish Counties, Washington (WA)
* Lives with someone physically and mentally able to operate an AED
* Able to provide written informed consent
* Has a telephone

Exclusion Criteria

* Lives in a nursing home
* Do not resuscitate (DNR) orders checked on chart
* Suffers from a severe co-morbidity that prevents them from participating in a long-term study
* Has an implantable cardioverter defibrillator
* Non-English speaking patient and/or family member/significant other

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No