Citizen bystander-patient relationship and 1-month outcomes after out-of-hospital cardiac arrest of cardiac origin from the All-Japan Utstein Registry: a prospective, nationwide, population-based, observational study.

ABSTRACT:

Objectives

The presence of a bystander witness is a crucial predictor of patient survival after out-of-hospital cardiac arrest (OHCA). However, the differences in survival and neurological outcomes among different types of citizen bystanders are not well understood.

Design

We analysed data from the All-Japan Utstein Registry, a prospective, nationwide, population-based, observational study that was started in January 2005.

Setting

The registry includes all patients with OHCA who were transported to the hospital by emergency medical service (EMS) in Japan. The type of citizen bystander was classified as family member, friend, colleague, passerby or other.

Participants

We analysed 210 642 patients in the registry who were 18 years or older and experienced OHCA of

SUBMITTER: Suematsu Y 

PROVIDER: S-EPMC6661562 | biostudies-literature | 2019 Jul

REPOSITORIES: biostudies-literature