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Resuscitation. 2016 Sep;106:102-7. doi: 10.1016/j.resuscitation.2016.06.039. Epub 2016 Jul 13.

Mechanical chest compression devices are associated with poor neurological survival in a statewide registry: A propensity score analysis.

Author information

1
University of Utah School of Medicine, Division of Emergency Medicine, Salt Lake City, UT, United States; The Salt Lake City Fire Department, Salt Lake City, UT, United States. Electronic address: scott.youngquist@utah.edu.
2
University of Utah School of Medicine, Division of Emergency Medicine, Salt Lake City, UT, United States.
3
The University of North Carolina School of Medicine, Chapel Hill, NC, United States.
4
University of Utah School of Medicine, Division of Emergency Medicine, Salt Lake City, UT, United States; The Utah Department of Health, Bureau of Emergency Medical Services, United States.

Abstract

OBJECTIVE:

To compare functional survival (discharge cerebral performance category 1 or 2) among victims of out-of-hospital cardiac arrest (OHCA) who had resuscitations performed using mechanical chest compression (mech-CC) devices vs. those using manual chest compressions (man-CC).

METHODS:

Observational cohort of 2600 cases of OHCA from a statewide, prospectively-collected cardiac arrest registry (Utah Cardiac Arrest Registry to Enhance Survival). Comparison of functional survival among those receiving mech-CC vs man-CC was performed using a mixed-effects Poisson model with inverse probability weighted propensity scores to control for selection bias.

RESULTS:

Overall, mech-CC was utilized in 405/2600 (16%) of the total arrests in Utah during this period. 371/405 (92%) were of the load-distributing band type (AutoPulse(®)) and 22/405 (5%) were mechanical piston devices (LUCAS™), while 12/405 (3%) employed other devices. The relative risk (RR) for functional survival comparing mech-CC to man-CC after propensity score adjustment was 0.41 (95% CI 0.24-0.70, p=0.001).

CONCLUSIONS:

Mechanical chest compression device use was associated with lower rates of functional survival in this propensity score analysis, controlling for Utstein variables and early return of spontaneous circulation.

KEYWORDS:

Cardiac Arrest; Chest Compressions; Mechanical Devices

[Indexed for MEDLINE]

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