Sudden cardiac death is one of the main causes of morbidity and mortality worldwide. Cardiac arrest requires prompt intervention by cardiopulmonary resuscitation (CPR). The resuscitation guidelines are the current recommendations for CPR and are revised by expert panels such as the "European Resuscitation Council (ERC)". Up to now, a parameter for assessing the quality of CPR is missing and further monitoring methods are urgently needed. Near-infrared spectroscopy (NIRS) is a portable method for measuring regional oxygen levels in the brain. Recent clinical trials suggest that cerebral oxygenation measured by NIRS may correlate with survival and outcome after cardiac arrest. The investigators propose that NIRS technology may not only be suitable to determine or predict the outcome of the patients, but could also be a useful tool to guide the CPR providers to optimize the CPR techniques and guide the individual treatments/interventions. The present study was therefore designed to determine if NIRS guided CPR with the aim to optimize NIRS values is superior compared to the current standard practice according to published CPR guidelines (return of spontaneous circulation \[ROSC\] rate, short and long-term cerebral performance).
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successful cardiopulmonary resuscitation (CPR)
Timeframe: DAY 1