From: Pharmacological strategies to reduce pruritus during postoperative epidural analgesia after lumbar fusion surgery - a prospective randomized trial in 150 patients
Motor blockade level
Group B
Group R
6 h
Day1
Day2
Day3
Day4
0
59
48
51
57
64
50
58
65
1
11
17
13
8
2
10
18
3
6