The American journal of emergency medicine
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The aim of the present study was to assess whether the combination of epinephrine, vasopressin, and nitroglycerin would improve initial resuscitation success, 24-hour survival, and neurologic outcome compared with epinephrine alone in a swine model of asphyxial cardiac arrest (CA). ⋯ In this porcine model of asphyxial CA, the addition of nitroglycerin to vasopressin and epinephrine maintained elevated coronary perfusion pressure during asphyxia CA and resulted in significantly better neurologic and histopathologic outcome in comparison with epinephrine alone.
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Ventricular fibrillation (VF) and asphyxia account for most cardiac arrests but differ in cardiac arrest course, neurologic deficit, and myocardial damage. In VF resuscitation, cardiac mitochondria were known to be damaged via excess generation of reactive oxygen species. This study evaluated the difference of cardiac mitochondrial damages between VF and asphyxial cardiac arrests. ⋯ Both VF and asphyxial cardiac arrests caused myocardial injuries and mitochondrial damages. Asphyxial cardiac arrest presented more diffuse myocardial injuries and more severe mitochondrial damages than VF cardiac arrest.
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Editorial Comment
Assessing prognosis of sepsis in the ED: do we have a magic ball?