Geneva, April 20 -- International Clinical Trials Registry received information related to the study (ChiCTR2600121802) titled 'The effect of ultrasound guidance and body surface marker in women patients with thyroid surgery was compared' on April 3.

Study Type: Observational study

Study Design: Non randomized control

Primary Sponsor: The Second Hospital of Hebei Medical University

Condition: postoperation pain

Intervention: Group L: received superficial cervical plexus block by receiving body surface marker. :None

Recruitment Status: Recruiting

Phase: N/A

Date of First Enrollment: 2025-07-17

Target Sample Size: Group L: received superficial cervical plexus block by receiving body surface marker. :50;Group U: bilateral supe...