Pre-emptive Scalp Infiltration with Triamcinolone Acetonide Plus Ropivacaine for Post-Craniotomy Pain in Children

The solution prepared comprised a mixture of 20mL of 0.2% ropivacaine(40mg) with 4 mg of triamcinolone acetonide. The assigned solution will be injected subcutaneously by surgeons along the incision and throughout the entire thickness of the scalp before skin incision. The volume of local infiltration solution will be decided by surgeons according to the cut length, and the capacity of the solution will be recorded by investigators.

The local infiltration solution containing 20mg of 1% ropivacaine. The total volume is 20 ml. The assigned solution will be injected subcutaneously by surgeons along the incision and throughout the entire thickness of the scalp before skin incision. The volume of local infiltration solution will be decided by surgeons according to the cut length, and the capacity of the solution will be recorded by investigators.