A comparative study of airway surface anesthesia under fiberoptic bronchoscope and ultrasound-guided superior laryngeal nerve block for double-lumen bronchial intubation

Status

Recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2100042847

Enrollment

Unknown

Registered

2021-01-30

Start date

2021-02-15

Completion date

Unknown

Last updated

2021-05-17

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

Conditions

Lung disease

Interventions

A group:Fiberoptic bronchoscopy guided airway surface anesthesia

B group:Ultrasound-guided laryngeal nerve block and cricothyroid membrane puncture

C group:Nil

Eligibility

Sex/Gender

All

Age

18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 66 volunteer patients, aged 18 ~ 65 years, American sociaty of Anesthesiologists I~III, Thoracic surgery,double lumen endotracheal intubation.

Exclusion criteria

Exclusion criteria: Difficult airway, anesthetic drug allergy,cardiac IV level and above, the puncture site has trauma or infection, pregnant women, communication disorders, with no capacity or with limited capacity, any reason not to cooperate with research or the researchers think that should not be included in this test.

Design outcomes

Primary

Measure	Time frame
Blood pressure;Heart rate;Oxygen saturation;	—

Secondary

Measure	Time frame
Times of use of vasoactive drugs;Anesthesia satisfaction score of patients;The occurrence of hoarseness;Incidence of sore throat;Changes in vocal cords;Plasma norepinephrine concentration;Plasma nephrine concentration;	—

Countries

China

Contacts

Public ContactYong Wan

Affiliated Hospital of North Sichuan Medical College

1099284598@qq.com+86 13990788626

Outcome results

None listed

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