About this trial
An out-of-hospital cardiac arrest is a sudden event where the heart stops beating and a person becomes unresponsive. During this event, vital organs in the body receive no blood flow, causing them to shut down. Without intervention to restart the heart, a person effectively dies. In the UK, around 60,000 people experience cardiac arrests each year, with most occurring at home. Despite prompt emergency service response, survival rates are typically low.
There is technology available that has the potential to improve survival rates for out-of-hospital cardiac arrests. The intervention involves three devices used together: head-up position CPR (Elegard), active compression-decompression mechanical CPR (Lucas-3), and the Impedance Threshold device (Resqpod-16). When combined, these devices can enhance blood flow during resuscitation, potentially leading to improved initial resuscitation rates and higher rates of survival with normal brain function after a cardiac arrest.
A pilot study is planned to test the feasibility of using these devices. The results will inform the design of a larger study to determine if this technology can indeed improve survival rates in out-of-hospital cardiac arrests.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Adult patients (>18 year of age) who have suffered a cardiac arrest
Body habitus is compatible with the bundle devices.
Witnessed event
Time of collapse was known with reasonable certainty to have been to be within 20 minutes.
Disqualifiers
Visibly pregnant women
Prisoners
Traumatic cardiac arrest
Drowning
Trial design
Parallel
Treatments tested in this trial
Neuroprotective 'bundle of care'
Procedure/SurgeryThis includes the 3 devices: * Head up cardiopulmonary resuscitation (HUP-CPR) * Active compression decompression CPR * Impedance threshold device (ITD)
Treatment groups
Trial outcomes
Primary outcomes
The feasibility of initiating the 'bundle of care' (ability to recruit to the intervention, ability to place the 3 devices in the intervention group and use them as per the protocol.
The feasibility of initiating the 'bundle of care' (ability to recruit to the intervention) and to adequately perform the randomisation and crossover of each arm within each participating service, evidenced by the number of eligible patients and the number recruited.
Feasibility of delivering a single education package on how to use the 'bundle of care'.
The feasibility of delivering an education package to teach the procedure for the bundle of care intervention and the success of said education package, evidenced by the number of staff trained and the incidence of non-compliance. The package will contain classroom teaching and video resources.
Secondary outcomes
First recorded cardiac rhythm of the participants in the trial
To record the initial cardiac arrest rhythm, asystole, pulseless electrical activity, ventricular fibrillation or ventricular tachycardia.
Signs of life during CPR to include a pulse, an attempt to breathe or to move
Signs of life during CPR- Presence of agonal respirations and other signs of life (pupillary response, movement during CPR)
Maximum end tidal carbon dioxide (CO2) during CPR before ROSC.
Return of spontaneous circulation (ROSC).
To mark the time of ROSC is it is achieved.
Sponsors and contacts
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University Hospital Southampton NHS Foundation Trust
Lead sponsor
University of Southampton
Collaborator
South Central Ambulance service
Collaborator
Hampshire and Isle of Wight air Ambulance
Collaborator