Chest compression-only versus conventional cardiopulmonary resuscitation for bystander-witnessed out-of-hospital cardiac arrest of medical origin: A propensity score-matched cohort from 143,500 patients

摘要

Background: Current cardiopulmonary resuscitation (CPR) guidelines do not define the optimal type of CPR (chest compression-only CPR [CCCPR] or conventional CPR with rescue breathing [CCRB]) to be performed by bystanders when they witness someone collapse.