SNPeCPR In Cardiac Arrest REsuscitation

Approximately 50,000 patients are victims of out of hospital cardiac arrest every year in France. Despite cardiopulmonary resuscitation (CPR) and many studies on the topic resuscitation survival after cardiac arrest remains low (1-8%) and has not changed significantly over the past five decades.It has recently been shown that the combination of different non-invasive therapies, cardiopulmonary resuscitation with mechanical CPR with automated compression / decompression and an impedance threshold device, can increase the rate of return of spontaneous circulation and short and long term survival after cardiac arrest.We propose to study a new cardiopulmonary resuscitation called SNPeCPR (Sodium nitroprusside enhanced cardiopulmonary resuscitation), which includes two components:a) a mechanical component: cardiopulmonary resuscitation with automated mechanical external chest compression and an impedance threshold deviceb) a pharmacological component: sodium nitroprusside, an effective arterial vasodilator that decrease vascular resistance, and improve flow in vital organs.Our hypothesis is that SNPeCPR should improve the return of spontaneous circulation rate during cardiac arrest.