Group 1: The group was relieved by continuous infusion of 0.2% levobupivacaine into the incision through a multi-hole catheter (CWI Group: Continuous Wound Infusion).
Nhóm 1: Nhóm được giảm đau bằng truyền liên tục levobupivacain 0,2% vào vết mổ qua multillholed catheter (Nhóm CWI: Continuous Wound Infusion).