Enhancing approaches to therapeutic hypothermia in patients with sudden circulatory arrest.Cardiac arrest is common and causes substantial morbidity and mortality.  Therapeutic hypothermia (32-34 °C) has emerged as a potent neuroprotective modality following resuscitation.  In early clinical trials, application of therapeutic hypothermia improved survival in patients with ventricular fibrillation (VF), which led to the recommended use of therapeutic hypothermia for patients resuscitated from VF.  Second, once patients were admitted to the hospital, targeting their temperature to 33 versus 36 °C for 36 h (in addition to active hyperthermia prevention) after out-of-hospital cardiac arrest did not to change clinical outcomes, suggesting that 36 °C may represent the target temperature instead of temperatures of less than 34 °C.
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