Abstract 185: Emergency Calls Made Away from the Out-of-Hospital Cardiac Arrest Scene Are Frequently Classified as an Uninformative “Hearsay Call” and Associated with Poor Outcomes
Backgrounds and Aim Emergency calls made away from the scene may affect the incidences of telephone-cardiopulmonary resuscitation (CPR) and bystander CPR, and hence may modify the prognosis of out-of -hospital cardiac arrests (OHCAs) recognized or witnessed by citizens. The aims of this study are to investigate the incidence and causes of emergency calls away from the scene and to study their effects on the prognosis of OHCAs.
Methods Data from 4861 OHCAs that occurred from April, 2004 to March, 2010 in Ishikawa prefecture were prospectively collected and analyzed. The emergency calls made away from the scene were identified by dispatch records and interviews to callers and/or bystanders.
Results The incidence of emergency calls made away from the scene was 15.2% (737/4861) for all OHCAs and 10.2% (328/3228) for OHCAs that occurred at home. More than half of emergency call away from the scene was preventable and classified as an uninformative “hearsay” call (52% for all OHCAs and 58% for OHCAs at home). The emergency calls away from the scene were associated with low incidences of telephone-CPR and bystander CPR, and 1-M and 1-Y survivals. Mutiple logistic regression analysis revealed that emergency call made awayfrom the scene is one of independent factors associated with poor outcomes.
Conclusions Emergency calls made away from the OHCAs scene are frequently classified as an uninformative “hearsay call” and associated with poor outcomes due to low incidences of telephone-CPR and bystander CPR. We should make it known to laypersons in society that they should make an emergency call by themselves as close as to the scene where someone becomes unresponsive.
- © 2011 by American Heart Association, Inc.