Vasopressin versus epinephrine during cardiopulmonary resuscitation: A randomized swine outcome study

  • Babar S
  • Berg R
  • Hilwig R
 et al. 
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Abstract

In animal models, vasopressin improves short-term outcome after cardiopulmonary resuscitation (CPR) for ventricular fibrillation compared to placebo, and improves myocardial and cerebral hemodynamics during CPR compared to epinephrine. This study was designed to test the hypothesis that vasopressin would improve 24-h neurologically intact survival compared to epinephrine. After a 2-min untreated ventricular fibrillation interval followed by 6 min of simulated bystander CPR, 35 domestic swine (weight, 25±1 kg) were randomly provided with a single dose of vasopressin (20 U or approximately 0.8 U kg-1intravenously) or with epinephrine (0.02 mg kg-1intravenously every 5 min). Ten minutes after initial medication administration (18 min after induction of ventricular fibrillation), standard advanced life support was provided, starting with defibrillation. Animals that were successfully resuscitated received 1 h of intensive care support and were observed for 24 h. Coronary perfusion pressures were higher in the vasopressin group 2 and 4 min after vasopressin administration (28±2 versus 18±1 mmHg, P

Author-supplied keywords

  • Cardiopulmonary resuscitation (CPR)
  • Epinephrine
  • Heart arrest
  • Vasopressins
  • Vasopressor therapy
  • Ventricular fibrillation

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Authors

  • Sardar Ijlal Babar

  • Robert A. Berg

  • Ronald W. Hilwig

  • Gordon A. Ewy

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