End-tidal carbon dioxide output in manual cardiopulmonary resuscitation versus active compression-decompression device during prehospital quality controlled resuscitation: a case series study

Emergency Medicine Journal : EMJ
Piritta Anniina SetäläSanna Elisa Hoppu

Abstract

Active compression-decompression (ACD) devices have enhanced end-tidal carbon dioxide (ETCO2) output in experimental cardiopulmonary resuscitation (CPR) studies. However, the results in out-of-hospital cardiac arrest (OHCA) patients have shown inconsistent outcomes, and earlier studies lacked quality control of CPR attempts. We compared manual CPR with ACD-CPR by measuring ETCO2 output using an audiovisual feedback defibrillator to ensure continuous high quality resuscitation attempts. 10 witnessed OHCAs were resuscitated, rotating a 2 min cycle with manual CPR and a 2 min cycle of ACD-CPR. Patients were intubated and the ventilation rate was held constant during CPR. CPR quality parameters and ETCO2 values were collected continuously with the defibrillator. Differences in ETCO2 output between manual CPR and ACD-CPR were analysed using a linear mixed model where ETCO2 output produced by a summary of the 2 min cycles was included as the dependent variable, the patient as a random factor and method as a fixed effect. These comparisons were made within each OHCA case to minimise confounding factors between the cases. Mean length of the CPR episodes was 37 (SD 8) min. Mean compression depth was 76 (SD 1.3) mm versus 71 (SD1.0) mm, ...Continue Reading

References

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Oct 20, 2015·Resuscitation·Gavin D PerkinsUNKNOWN Adult basic life support and automated external defibrillation section Collaborators

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