The main question left in the wake of the study,Trial of Continuous or Interrupted Chest Compressions during CPR, that dominated the news coming out of the American Heart Associationâ€™s 2015 Scientific Sessions Conference in Orlando, Florida this past week, is “How does passive ventilation compare with positive pressure ventilation in the early stages of cardiac arrest?” While only a large randomized controlled study can answer this question, at the same scientific sessions there was a poster presentation that offered evidence for the passive ventilation argument.
Improved Survival in Out of Hospital Cardiac Arrest: Withholding Positive Pressure Ventilation, authored by Scheppke, Ippolito, Breyer, and Chait, cited evidence out of Florida that â€œwithholding/delay of positive pressure ventilation can improve out of hospital adult primary cardiac arrest survival.â€
All adult cardiac arrest patients in Palm Beach Gardens, Florida received chest compressions only for the first 10 minutes of arrest or until ROSC was achieved. Their results over a two year period were significantly better than the statewide average. They had a ROSC rate nearly twice the state average with a total neurologically intact rate of 15.2%.
They conclude that while these results are promising, further study is needed.
Wouldnâ€™t it be great if every cardiac arrest EMS worked was a part of a study? We should applaud the efforts of the study group and all who are doing the good work necessary to make certain we are all able to do right by our patients.
Hereâ€™s the link to the abstract:
Improved Survival in Out of Hospital Cardiac Arrest: Withholding Positive Pressure Ventilation
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