Geneva, Nov. 2 -- International Clinical Trials Registry received information related to the study (ChiCTR2600135050) titled 'Effect of Esketamine Combined with Intranasal Dexmedetomidine versus Intranasal Dexmedetomidine Monotherapy on Emergence Cough in Patients Undergoing Thyroidectomy: A Retrospective Cohort Study' on Oct. 23.

Study Type: Observational study

Study Design: Sequential

Primary Sponsor: The Second Qilu Hospital of Shandong University

Condition: Thyroid tumor

Intervention: esketamine combined with intranasal dexmedetomidine group:esketamine

Recruitment Status: Not Recruiting

Phase: N/A

Date of First Enrollment: 2026-11-01

Target Sample Size: esketamine combined with intranasal dexmedetomidine group:108;intra...