From: Norepinephrine versus ephedrine for hypotension prophylaxis during cesarean section under spinal anesthesia
Group N (n = 60)
Group E (n = 60)
P value
UtA-PI
Baseline
0.59 ± 0.13
0.56 ± 0.12
0.192
After 5 min
0.57 ± 0.09
0.76 ± 0.11
< 0.001*
UA-PI
0.83 ± 0.08
0.78 ± 0.10
0.219
0.80 ± 0.09
0.76 ± 0.07
0.162