Pain
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Aged 18 to 60 years old, ASA I-II, thyroid surgery due to simple thyroid adenoma (grade 1-2 goiter) or thyroid adenoma
Exclusion criteria
Exclusion criteria: Unwilling to participate or withdraw halfway;patients who underwent neck surgery;Perioperative vital organ dysfunction;Serious arrhythmias such as bradycardia and sinus syndrome;Intubation difficulty or intubation number =3 times;A history of neurologic or psychiatric disorders;Recent use of steroids or opioids or other analgesics;Contraindications for hypersensitivity to study use of drugs or for the presence of superficial cervical plexus block.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Visual analogue scale score(VAS); | — |
Contacts
The Third Affiliated Hospital of Sun Yat-sen University