Registered prodromal symptoms of out-of-hospital cardiac arrest among patients calling the medical helpline services
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Registered prodromal symptoms of out-of-hospital cardiac arrest among patients calling the medical helpline services. / Zylyftari, Nertila; Lee, Christina Ji Young; Gnesin, Filip; Møller, Amalie Lykkemark; Mills, Elisabeth Helen Anna; Møller, Sidsel G.; Jensen, Britta; Ringgren, Kristian Bundgaard; Kragholm, Kristian; Christensen, Helle Collatz; Blomberg, Stig Nikolaj Fasmer; Tan, Hanno L.; Folke, Fredrik; Køber, Lars; Gislason, Gunnar; Torp-Pedersen, Christian.
In: International Journal of Cardiology, Vol. 374, 2023, p. 42-50.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Registered prodromal symptoms of out-of-hospital cardiac arrest among patients calling the medical helpline services
AU - Zylyftari, Nertila
AU - Lee, Christina Ji Young
AU - Gnesin, Filip
AU - Møller, Amalie Lykkemark
AU - Mills, Elisabeth Helen Anna
AU - Møller, Sidsel G.
AU - Jensen, Britta
AU - Ringgren, Kristian Bundgaard
AU - Kragholm, Kristian
AU - Christensen, Helle Collatz
AU - Blomberg, Stig Nikolaj Fasmer
AU - Tan, Hanno L.
AU - Folke, Fredrik
AU - Køber, Lars
AU - Gislason, Gunnar
AU - Torp-Pedersen, Christian
N1 - Publisher Copyright: © 2022 The Author(s)
PY - 2023
Y1 - 2023
N2 - Background Early identification of warning symptoms among out-of-hospital cardiac arrest (OHCA) patients remains challenging. Thus, we examined the registered prodromal symptoms of patients who called medical helpline services within 30-days before OHCA. Methods Patients unwitnessed by emergency medical services (EMS) aged ≥18 years during their OHCA were identified from the Danish Cardiac Arrest Registry (2014–2018) and linked to phone records from the 24-h emergency helpline (1−1−2) and out-of-hours medical helpline (1813-Medical Helpline) in Copenhagen before the arrest. The registered symptoms were categorized into chest pain; breathing problems; central nervous system (CNS)-related/unconsciousness; abdominal/back/urinary; psychiatric/addiction; infection/fever; trauma/exposure; and unspecified (diverse from the beforementioned categories). Analyses were divided by the time-period of calls (0-7 days/8-30 days preceding OHCA) and call type (1–1-2/1813-Medical Helpline). Results Of all OHCA patients, 18% (974/5442) called helpline services (males 56%, median age 76 years[Q1-Q3:65–84]). Among these, 816 had 1145 calls with registered symptoms. The most common symptom categories (except for unspecified, 33%) were breathing problems (17%), trauma/exposure (17%), CNS/unconsciousness (15%), abdominal/back/urinary (12%), and chest pain (9%). Most patients (61%) called 1813-Medical Helpline, especially for abdominal/back/urinary (17%). Patients calling 1–1-2 had breathing problems (24%) and CNS/unconsciousness (23%). Nearly half of the patients called within 7 days before their OHCA, and CNS/unconsciousness (19%) was the most registered. The unspecified category remained the most common during both time periods (32%;33%) and call type (24%;39%). Conclusions Among patients who called medical helplines services up to 30-days before their OHCA, besides symptoms being highly varied (unspecified (33%)), breathing problems (17%) were the most registered symptom-specific category.
AB - Background Early identification of warning symptoms among out-of-hospital cardiac arrest (OHCA) patients remains challenging. Thus, we examined the registered prodromal symptoms of patients who called medical helpline services within 30-days before OHCA. Methods Patients unwitnessed by emergency medical services (EMS) aged ≥18 years during their OHCA were identified from the Danish Cardiac Arrest Registry (2014–2018) and linked to phone records from the 24-h emergency helpline (1−1−2) and out-of-hours medical helpline (1813-Medical Helpline) in Copenhagen before the arrest. The registered symptoms were categorized into chest pain; breathing problems; central nervous system (CNS)-related/unconsciousness; abdominal/back/urinary; psychiatric/addiction; infection/fever; trauma/exposure; and unspecified (diverse from the beforementioned categories). Analyses were divided by the time-period of calls (0-7 days/8-30 days preceding OHCA) and call type (1–1-2/1813-Medical Helpline). Results Of all OHCA patients, 18% (974/5442) called helpline services (males 56%, median age 76 years[Q1-Q3:65–84]). Among these, 816 had 1145 calls with registered symptoms. The most common symptom categories (except for unspecified, 33%) were breathing problems (17%), trauma/exposure (17%), CNS/unconsciousness (15%), abdominal/back/urinary (12%), and chest pain (9%). Most patients (61%) called 1813-Medical Helpline, especially for abdominal/back/urinary (17%). Patients calling 1–1-2 had breathing problems (24%) and CNS/unconsciousness (23%). Nearly half of the patients called within 7 days before their OHCA, and CNS/unconsciousness (19%) was the most registered. The unspecified category remained the most common during both time periods (32%;33%) and call type (24%;39%). Conclusions Among patients who called medical helplines services up to 30-days before their OHCA, besides symptoms being highly varied (unspecified (33%)), breathing problems (17%) were the most registered symptom-specific category.
KW - Early warning signs
KW - Emergency medical services
KW - ESCAPE-NET
KW - Medical helpline
KW - Out-of-hospital cardiac arrest (OHCA)
KW - Prodromal symptoms
U2 - 10.1016/j.ijcard.2022.12.004
DO - 10.1016/j.ijcard.2022.12.004
M3 - Journal article
C2 - 36496039
AN - SCOPUS:85144923782
VL - 374
SP - 42
EP - 50
JO - International Journal of Cardiology
JF - International Journal of Cardiology
SN - 0167-5273
ER -
ID: 340554740