Resuscitation
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Observational Study
Use of Automated Chest Compression Devices after Out-of-Hospital Cardiac Arrest in Sweden.
To evaluate the implementation of automated chest compression cardiopulmonary resuscitation (ACC-CPR) after out-of-hospital cardiac arrest (OHCA) in Sweden during the years 2011 through 2015. The association between ACC-CPR and 30-day survival was studied as a secondary objective. ⋯ The use of ACC devices varied significantly between Swedish regions and overall survival to 30days was low among patients receiving ACC-CPR. Although measured and unmeasured confounding might explain our finding of lower survival rates for patients exposed to ACC-CPR, specific guidelines recommending when and how ACC-CPR should be used are warranted as there might be circumstances where these devices do more harm than good.
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Few data are available on the use of brainstem auditory evoked potentials (BAEPs) in combination with other electrophysiological tools to assess prognosis of comatose survivors from cardiac arrest (CA). ⋯ In this series of patients after CA, at least one of the BAEP waves was absent bilaterally in half the survivors; however, their use for prediction of poor neurological outcome remains limited.
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Review Meta Analysis
Bystander Automated External Defibrillator Use and Clinical Outcomes after Out-of-Hospital Cardiac Arrest: A Systematic Review and Meta-Analysis.
To systematically review studies comparing bystander automated external defibrillator (AED) use to no AED use in regard to clinical outcomes in out-of-hospital cardiac arrest (OHCA), and to provide a descriptive summary of studies on the cost-effectiveness of bystander AED use. ⋯ The evidence supports the association between bystander AED use and improved clinical outcomes, although the quality of evidence was low to very low.