Abstract
Study purpose
Out-of-hospital cardiac arrests (OHCA) in the young population have only
been examined in a limited number of regional studies. Hence, we sought to
describe OHCA characteristics and predictors of survival to hospital discharge
for the young Irish population.
Study design
An observational analysis of the national Irish OHCA register for all
OHCAs aged ≤35 years between January 2012 and December 2017 was performed. The
young population was categorised into three age groups: ≤1 year, 1–15 years and
16–35 years. Multivariable logistic regression was used to determine the
independent predictors of survival to hospital discharge.
Results
A total of 1295 OHCAs aged ≤35 years (26.9% female, median age 25 (IQR
17–31)) had resuscitation attempted. OHCAs in those aged ≥16 years (n=1005)
were more likely to happen outside the home (38.5% vs 22.8%, p<0.001) and be
of non-medical aetiology (59% vs 27.6%, p<0.001) compared with those aged
<16 years (n=290). Asphyxiation, trauma and drug overdoses accounted for
over 90% of the non-medical OHCAs for those 16–35 years. Overall survival to
hospital discharge for the cohort was 5.1%; survival was non-significantly
higher for those aged 16–35 years compared with those aged 1–15 years (6.0%, vs
2.8% p=0.93). Independent predictors of survival to hospital discharge included
bystander witnessed OHCA, a shockable initial rhythm and a bystander
defibrillation attempt.
Conclusions
The high prevalence of non-medical OHCAs and the OHCA location need to be
considered when developing OHCA care pathways and preventative strategies to
reduce the burden of OHCAs in the young population.
Cited by
4 articles.
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