Transient Facial Nerve Palsy After the Scalp Block for Burr Hole Evacuation of Subdural Hematoma.

Scalp block has become a frequently used technique with an increasing number of indications today. Despite the many advantages of the scalp block, certain rare complications have been identified. It should be remembered that although it is a relatively safe procedure, it may lead to the development of facial nerve palsy. In this article, we present a case of transient facial nerve palsy developed after the scalp block that was used to drain the subdural hematoma with a burr hole.