Assertion: block | /r/HasProperty | useful
Facets:
value: for thyroid gland
type: PURPOSE
value: for carotid artery surgery
type: PURPOSE
Source sentences:
text: This block is useful because it has less risk than the interscalene (spinal cord or vertebral artery puncture) or supraclavicular (pneumothorax) brachial plexus blocks.
text: A block at the neck in the cervical region is useful for thyroid gland and carotid artery surgery.