Patient Complications after Interscalene Block: A Retrospective Comparison of Liposomal Bupivacaine to Nonliposomal Bupivacaine

Table 3

Medication combinations in the nonliposomal bupivacaine group.

Drug combination	Volume (mL) range	Volume (mL) median	Number missing
0.25% bupivacaine (N = 27)	5–40	25	0
0.25% bupivacaine plus epinephrine (N = 64)	10–40	27.5	0
0.3–0.33% bupivacaine (N = 10)	30–40	35	0
0.375% bupivacaine (N = 1)	30	30	0
0.5% bupivacaine (N = 43)	10–40	20	0
0.5% bupivacaine plus epinephrine (N = 115)	5–40	20	1
0.5% ropivacaine (N = 52)	12–40	25	0
0.5% ropivacaine plus clonidine plus epinephrine (N = 387)	15–40	25	33
0.5% ropivacaine plus epinephrine (N = 23)	20–35	25	0
0.5% ropivacaine plus 8 mg dexamethasone (N = 3)	30	30	0
0.25% bupivacaine plus 8 mg dexamethasone (N = 2)	19–20	19.5	0
Mixture of bupivacaine and ropivacaine (N = 7)	20–50	25	0

N: number of patients included in that group.