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

Table 5

Emergency room visit for opiate or pain-related reason within three days of surgery.

Reason for visit	LB group	Non-LB group
Uncontrolled pain	7	5
Urinary retention	1	5
Constipation	0	1
Total	8	11

LB: liposomal bupivacaine.