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ABSTRACT: Aim
To determine whether the removal of atropine from the 2010 ACLS guidelines for non-shockable cardiac arrests was associated with a change in survival.Methods
Using the Get With The Guidelines®-Resuscitation registry, we included adults with an index in-hospital cardiac arrest between 2006 and 2015. The primary outcome was survival to hospital discharge. Secondary outcomes included return of spontaneous circulation and favorable functional outcome. An interrupted time-series analysis was used to compare survival before (pre-guidelines) and after (post-guidelines) introduction of the 2010 guidelines. A difference-in-difference approach was used to compare the interrupted time-series results between the non-shockable and shockable cohorts to account for guideline changes unrelated to atropine.Results
We included 20,499 non-shockable and 3968 shockable cardiac arrests. Patient characteristics were similar between the pre-guidelines and post-guidelines period. Atropine was used for 8653 (87%) non-shockable and 680 (35%) shockable cardiac arrests in the pre-guidelines period and 3643 (35%) non-shockable and 320 (16%) shockable cardiac arrests in the post-guidelines period. The change over time in survival from the pre-guidelines to the post-guidelines period was not significantly different for the non-shockable compared to the shockable cohort (risk difference: 2.0% [95%CI: -0.8, 4.8] per year, p = 0.17). The immediate change in survival after introducing the guidelines was also not different between the cohorts (risk difference: 3.5% [95%CI: -2.6, 9.7], p = 0.26). Results were similar for the secondary outcomes and in multiple sensitivity analyses.Conclusions
The removal of atropine from the 2010 guidelines was not associated with a significant change in survival.
SUBMITTER: Holmberg MJ
PROVIDER: S-EPMC6467532 | biostudies-literature | 2019 Apr
REPOSITORIES: biostudies-literature
Holmberg Mathias J MJ Moskowitz Ari A Wiberg Sebastian S Grossestreuer Anne V AV Yankama Tuyen T Witten Lise L Perman Sarah M SM Donnino Michael W MW Andersen Lars W LW
Resuscitation 20190213
<h4>Aim</h4>To determine whether the removal of atropine from the 2010 ACLS guidelines for non-shockable cardiac arrests was associated with a change in survival.<h4>Methods</h4>Using the Get With The Guidelines<sup>®</sup>-Resuscitation registry, we included adults with an index in-hospital cardiac arrest between 2006 and 2015. The primary outcome was survival to hospital discharge. Secondary outcomes included return of spontaneous circulation and favorable functional outcome. An interrupted ti ...[more]