Cardiac arrest occurs frequently and the outcome after out-of-hospital resuscitation is often fatal. Disturbing is that more than half of the surviving patients suffer from permanent impairment of cognitive functions, such attention, memory and executive functioning. With all the efforts to achieve a high quality initial resuscitation management the time delay between cardiac arrest and the beginning the initial resuscitation maneuver is the main reason for the still poor outcome. To shorten this fatal time delay, current efforts of national and supranational health authorities aime at the non-medically trained lay person, who should carry out basic life support directly on the scene supported by the use of public available semi-automatic defibrillators (AED).
It is a combined retrospective and prospective observational single center study. Data of all Out of Hospital patients suffered a cardiac arrest in Zurich city will be collected according to the Utstein criteria. The aim of this study is to investigate the impact of trained police forces in the resuscitation outcome.
Study Type
OBSERVATIONAL
Enrollment
1,662
University Hospital Zurich
Zurich, Canton of Zurich, Switzerland
Time line for restoration the circulation
Timeline for restoration the circulation after layperson started the reanimation
Time frame: participants will be followed from origin of the event up to 12 month or death
Time interval to first shock ,
Time interval from the emergency call to first shock for ventricular fibrillation
Time frame: participants will be followed from origin of the event up to 12 month or death
Neurologic outcome
Data will be collected according to Utstein criteria
Time frame: participants will be followed from origin of the event for duration of hospital stay, follow up after 12 month or death
Time interval removal from ICU as well as discharged from hospital
Time interval up to the removal from ICU as well as duration of hospital stay
Time frame: participants will be followed from origin of the event up to 12 month or death
Definitive survival rate
Survival rate of participants resuscitated by layperson after cardiac arrest
Time frame: participants will be followed from origin of the event up to 12 month or death
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