Ultrasound-guided superior laryngeal nerve space block: a convenient and effective method for superior laryngeal nerve blockade in patients with awake tracheal intubation

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2200061287

Enrollment

Unknown

Registered

2022-06-19

Start date

2022-06-06

Completion date

Unknown

Last updated

2023-03-26

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

difficult airway

Interventions

Experimental group:Superior laryngeal nerve space block under ultrasound

Control group:Ultrasound-guide transverse approach superior laryngeal nerve space block

Eligibility

Sex/Gender

All

Age

18 Years to 65 Years

Inclusion criteria

Inclusion criteria: Patients aged 18-65 years, 45-80 kg, regardless of sex, ASA I or II class, undergoing elective abdominal and/or orthopedic surgery in supine position under general anesthesia.

Exclusion criteria

Exclusion criteria: Infection at the puncture site, allergy to local anesthetics, and continuous use of anticoagulants before surgery.

Design outcomes

Primary

Measure	Time frame
operation time;Incidence of sore throat;	—

Secondary

Measure	Time frame
Immediate comfort score for intubation;Tolerance of catheter after successful intubation;incidence of hoarseness and sore throat;	—

Countries

China

Contacts

Public ContactTao Shan

Nanjing First Hospital

shantao2021@163.com+86 18852095135

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 6, 2026