Geneva, Sept. 21 -- International Clinical Trials Registry received information related to the study (ChiCTR2600132051) titled 'Association and Incremental Predictive Value of Preoperative Neck Ultrasonographic Parameters for Difficult Laryngoscopy in Children with Microtia' on Sept. 9.

Study Type: Observational study

Study Design: Sequential

Primary Sponsor: Plastic Surgery Hospital, Peking Union Medical College Chinese Academy of Medical Sciences

Condition: Congenital microtia Difficult laryngoscopy

Recruitment Status: Not Recruiting

Phase: N/A

Date of First Enrollment: 2026-09-21

Target Sample Size: Study Cohort:300;

Countries of Recruitment: China

To know more, visit https://www.chictr.org.cn/showproj.html?proj=337440...