Data-driven classification of arrest location for emergency department cardiac arrests.

Resuscitation
Nancy MikatiUniversity of Pittsburgh Post-Cardiac Arrest Service

Abstract

Resuscitation research is inconsistent in how emergency department (ED) arrests are classified. We tested whether clinical features of ED arrests more closely resembled out-of-hospital cardiac arrest (OHCA) or in-hospital cardiac arrest (IHCA). We performed a retrospective study including all patients resuscitated from cardiac arrest at a single academic medical center from January 2010 to December 2019. We abstracted clinical information from our prospective registry. We used unsupervised learning (k-prototypes) to identify clusters within the OHCA and IHCA cohorts. We determined the number of subgroups using scree plots. We assigned individual ED arrest patients the nearest OHCA or IHCA cluster based on the shortest Gower distance from that patient to the nearest cluster center. In our secondary analysis, we determined the optimal number of clusters in each of the 3 arrest cohorts, and then calculated the mean Gower distances with the standard deviation (SD) between cluster centers (ED-IHCA, ED-OHCA, IHCA-OHCA). We included 2723 patients: 372 (14%) ED arrests, 1709 (63%) OHCA, and 642 (23%) IHCA. We identified 3 clusters of OHCA patients, and 4 clusters of IHCA patients. Of ED arrest cases, 292 (78%) most closely resembled an...Continue Reading

References

Jul 16, 2011·Resuscitation·Jon C RittenbergerClifton W Callaway
Mar 13, 2013·Circulation·Laurie J MorrisonUNKNOWN American Heart Association Emergency Cardiovascular Care Committee, Council on Cardiopulmonary, Critical Care, Perioperative
Apr 22, 2014·Resuscitation·Jerry P NolanUNKNOWN National Cardiac Arrest Audit
Feb 1, 2015·Resuscitation·Patrick J CopplerUNKNOWN Post Cardiac Arrest Service
Apr 1, 1966·Multivariate Behavioral Research·R B Cattell
Nov 1, 2016·Journal of the American Heart Association·Sarah M PermanUNKNOWN American Heart Association's Get With the Guidelines®—Resuscitation (formerly the National Registry of Cardiopulmonary Resus
Oct 18, 2016·European Journal of Emergency Medicine : Official Journal of the European Society for Emergency Medicine·Sing C Tan, Benjamin Sieu-Hon Leong
Jun 26, 2018·Resuscitation·Niel ChenUNKNOWN Pittsburgh Post-Cardiac Arrest Service

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