relatively low [1–3]. The neurological outcomes are far worse.
Prognoses are especially poor with OHCA of non-cardiac
origin [4–7].
In previous studies, the relationship between the prognosis
of OHCA and pre-hospital care, including the type of
bystander CPR, advanced airway management, epinephrine
administration, and the use of a public-access automated
external defibrillator (AED), has been examined [8–15]. However,
studies have often focussed on OHCA with cardiac
origin, and no study has thus far solely focussed on OHCA
caused by respiratory disease. The importance of the different
treatments in pre-hospital care and, in particular, the
respiratory management treatments may differ between
OHCA due to respiratory disease and that from other causes.
This study aims at investigating the relationship between
the prognosis and pre-hospital care in cases of OHCA caused
by respiratory disease using the All-Japan Utstein Registry
database.