Fig. 6From: Effect of skin infiltration with ropivacaine on postoperative pain in patients undergoing craniotomyComparison of HR and MAP changes during surgery. T1 before anaesthesia induction, T2 after anaesthesia induction, T3 after scalp infiltration, T4 during skull drilling, T5 dura mater cutting, T6 skin closure. Group C control group, Group R ropivacaine groupBack to article page