Do Mechanical Chest Compression Devices Compared With High-Quality Manual Chest Compressions Improve Neurologically Intact Survival of Patients Who Experience Cardiac Arrest?

Authors screened 2,554 studies, from which they included 11 randomized trials (12,944 patients) in the final meta-analysis. Trial publication dates ranged from 1978 to 2015. Authors added 5 trials not featured in the last iteration of this meta-analysis, including 3 large-scale randomized controlled trials accounting for greater than 90% of patients in this review.2-4 One added trial was a noninferiority randomized controlled trial.12 An initial shockable rhythm was present in 13% to 47% of included patients.

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