Observational studyCirculation2026
Mechanical CPR Device Use and Cardiac Arrest Survival in EMS Agencies.
Observational study in Circulation, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
0 citing papers in PubMed.
No citing paper in PubMed yet.
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
backgroundCardiopulmonary resuscitation (CPR) by health care responders is often suboptimal during out-of-hospital cardiac arrest (OHCA). Mechanical CPR devices have been promoted as a strategy to improve CPR quality. Whether their use in routine care is associated with improved OHCA survival at emergency medical service (EMS) agencies is unclear.
methodsWithin the Cardiac Arrest Registry to Enhance Survival, we assessed agency-level rates of OHCA survival at EMS agencies with ≥2 years of OHCA data before and after their first documented use of a mechanical CPR device from 2013 to 2019 using an observational cohort study design. Temporal trends in favorable neurological survival (without severe neurological disability) and survival to discharge were first assessed in EMS agencies that did not initiate mechanical CPR device use (control agencies) using multivariable hierarchical logistic regression. Then an interrupted time series analysis evaluated whether introduction of mechanical CPR devices at EMS agencies was associated with higher OHCA survival.
resultsAmong 51 994 patients with OHCA at 73 control agencies, there were no temporal trends in risk-adjusted rates of favorable neurological survival (annual rates ranged between 9.6% and 10.6%;
conclusionsIn a large US registry of OHCA, EMS agency rates of favorable neurological survival and survival to discharge were not higher after the initiation of mechanical CPR device use.
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