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An automated external defibrillator in the home did not reduce all-cause mortality in patients at risk of cardiac arrestCommentary

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G H Bardy

Dr G H Bardy, Seattle Institute for Cardiac Research, Seattle, WA, USA; gbardy@sicr.org

QUESTION

In stable patients at increased risk of sudden cardiac arrest, does having an automated external defibrillator (AED) in the home reduce all-cause mortality compared with training in usual emergency procedures?

METHODS

Design:

randomised controlled trial (Home Automated External Defibrillator Trial [HAT]).

Allocation:

{concealed}.*

Blinding:

blinded (outcome adjudication committee).

Follow-up period:

median 37 months.

Setting:

178 clinical sites in the USA, Canada, Australia, the UK, New Zealand, the Netherlands, and Germany.

Patients:

7001 patients (median age 62 y, 83% men) who had had anterior-wall myocardial infarction, were not candidates for implantable cardioverter-defibrillator (ICD) therapy, and had a spouse or companion at home who was willing and able to perform the study interventions.

Intervention:

provision of an AED for home use (n = 3495) …

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