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Ultrasound-guided superior laryngeal nerve block in transesophageal ultrasound, a randomized controlled trial

Efficacy of superior laryngeal nerve in relieving retching during TEE examination: a randomized controlled trial

Status
Active, not recruiting
Phases
Early Phase 1
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2300076359
Enrollment
Unknown
Registered
2023-10-07
Start date
2024-02-01
Completion date
Unknown
Last updated
2024-01-22

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

Conditions

transesophageal ultrasonography

Interventions

Group S (nerve block anesthesia + topical anesthesia):ltrasound-guided block of the internal branch of the superior laryngeal nerve+Tetracaine hydrochloride mucilage 8g: 0.08g for 10 minutes for oroph
Group C (topical anesthesia -- control group):Tetracaine hydrochloride mucilage 8g: 0.08g for 10 minutes for oropharyngeal surface anesthesia

Sponsors

The First Affiliated Hospital of Wenzhou Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
30 Years to 100 Years

Inclusion criteria

Inclusion criteria: Age =30 years, adequate fasting for 6 hours and water deprivation for more than 2 hours, ASA physical class III or NYHA physical class III or less.

Exclusion criteria

Exclusion criteria: Previous history of TEE and conventional gastroscopy; Contraindicated TEE examination; Unable to communicate and uncooperative; Chronic pharyngitis; Patients with preoperative cough and sore throat; Patients with oral mucosal bleeding; Allergy to local anesthetics; Infection at the puncture site of nerve block.

Design outcomes

Primary

MeasureTime frame
Incidence of retching;

Secondary

MeasureTime frame
Patient comfort was assessed;Changes in vital signs;Oropharyngeal mucosal bleeding rate;Probe placement failure rate;

Countries

China

Contacts

Public ContactWeijian Wang

The First Affiliated Hospital of Wenzhou Medical University

wangwj2002@hotmail.com+86 138 0668 3232

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026