comparisons were made with respect to stability of hemodynamic variables ( heart rate and systolic and diastolic blood pressure ) , changes in stress hormones ( cortisol , antidiuretic hormone , epinephrine , norepinephrine , and dopamine ) , recovery of alertness and orientation , time to extubation , postoperative analgesia , and measures of respiratory depression ( resting end-tidal carbon dioxide tension [ petco2 ] , co2 response curve for minute ventilation [ delta ve/delta petco2 ] ) .
C0014563
epinephrine
C0028351
norepinephrine