the negative pressure resulted in a concomitant significant increase in norepinephrine levels from 1.46 +/- 0.09 to 2.056 +/- 0.2 nmol/liter ( p = 0.0019 ) but no change in plasma epinephrine : 0.845 +/- 0.22 to 0.78 +/- 0.11 nmol/liter ( p = ns ) .
C0028351
norepinephrine
C0014563
epinephrine