Symptoms reported in calls to emergency medical services within 24 hours prior to out-of-hospital cardiac arrest

Filip Gnesin*, Elisabeth Helen Anna Mills, Britta Jensen, Amalie Lykkemark Møller, Nertila Zylyftari, Henrik Bøggild, Kristian Bundgaard Ringgren, Kristian Kragholm, Stig Nikolaj Fasmer Blomberg, Helle Collatz Christensen, Freddy Lippert, Lars Køber, Fredrik Folke, Christian Torp-Pedersen

*Kontaktforfatter

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

Abstrakt

AIM: There is limited evidence regarding prodromal symptoms of out-of-hospital cardiac arrest (OHCA). We aimed to describe patient characteristics, prodromal symptoms, and prognosis of patients contacting emergency medical services (EMS) within 24 hours before OHCA.

METHODS: We identified all OHCA treated by Copenhagen EMS from 2016 through 2018 using the Danish Cardiac Arrest Registry and linked them to emergency calls. We included all pre-arrest calls by patients or bystanders if they were performed 1) within 24 hours before the OHCA call or 2) during the OHCA event for EMS-witnessed OHCA. Calls were reviewed by healthcare professionals using a survey guide.

RESULTS: Among 4,071 patients, 481 patients (12%) had 539 calls within 24 hours prior to OHCA (60% male, median age 74 years of age). The patient spoke on the phone in 25% of calls. The most common symptoms were breathing problems (59%), confusion (23%), unconsciousness (20%), chest pain (20%), and paleness (19%). Patients with breathing problems compared to chest pain were more likely to be ≤75 years of age (55% versus 35%), less likely to be male (52% versus 73%), have shockable rhythm (10% versus 38%), receive bystander defibrillation (6% versus 19%) or EMS defibrillation (15% versus 65%), achieve return of spontaneous circulation (37% versus 68%) and survive 30 days following OHCA (10% versus 50%).

CONCLUSION: More than 10% of patients with OHCA had a call to EMS within 24 hours before OHCA. The most common symptom was breathing problems which compared to chest pain had lower 30-day survival.

OriginalsprogEngelsk
TidsskriftResuscitation
Vol/bind181
Sider (fra-til)86-96
Antal sider11
ISSN0300-9572
DOI
StatusUdgivet - dec. 2022

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Copyright © 2022 Elsevier B.V. All rights reserved.

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