Geneva, Jan. 12 -- International Clinical Trials Registry received information related to the study (ChiCTR2500115534) titled 'Comparison of Ultrasound-Guided Different Concentration-Volume Combinations of Ropivacaine for Superficial Cervical Plexus Block in Thyroid Surgery' on Dec. 28, 2025.

Study Type: Interventional study

Study Design: Parallel

Primary Sponsor: The First Affiliated Hospital of Xinjiang Medical University

Condition: Thyroid diseases

Intervention: No nerve block (Control):Patients in this group will receive standard general anesthesia alone, without any superficial cervical plexus block. Ropivacaine, High-Volume High-Concentration:Patients will receive an ultrasound-guided bilateral superficial cervical plexus bl...