Liposomal Bupivacaine for Postoperative Pain After Craniotomy

After standardized anesthesia induction, bilateral scalp nerve block (supprorbital nerve, auriculotemporal nerve, major occipital nerve, minor occipital nerve) was performed with liposome bupivacaine stock solution, and 1-2ml was injected into each block site.

After standardized anesthesia induction, bilateral scalp nerve block (supraorbital nerve, auriculotemporal nerve, major occipital nerve, minor occipital nerve) was administered with 0.5% ropivacaine, and 1-2ml was injected into each block site.