Scalp Block Versus Scalp Infiltration With Dexmedetomidine and Local Anesthetic for Post Craniotomy Pain

"In this group following nerves were blocked-~1. Supra-orbital nerve~2. Supra-trochlear nerve~3. Zygomatico-temporal nerve~4. Auriculo-temporal nerve~5. Posterior auricular branches of the greater auricular Nerve~6. The greater, lesser, and third occipital nerves"

The incision site was infiltrated with drug. {1/3rd in the muscle and 2/3rd in the subcutaneous tissue}.

Dexmedetomidine was administered as a dose of 1 µg/kg in 20 ml 0.25% bupivacaine for scalp block or infiltration.

20 ml of Bupivacaine 0.25% was administered to the patients either in the form of scalp block or infiltration