Application of superimposed high-frequency jet ventilation in bronchoscopy: a prospective, randomized, controlled study

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2300071799

Enrollment

Unknown

Registered

2023-05-25

Start date

2023-06-01

Completion date

Unknown

Last updated

2023-06-12

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

Conditions

Pulmonary disease

Interventions

H-high frequency:Increase the working pressure of high frequency jet ventilation

M-General ventilator:Increase the gas flow of the ordinary ventilator

Eligibility

Sex/Gender

All

Age

18 Years to 90 Years

Inclusion criteria

Inclusion criteria: 1. Bronchoscopy under general anesthesia in Xiamen Hospital, Zhongshan Hospital Affiliated to Fudan University; 2. The age ranges from 18 to 90 years old; 3. Operation time >= 15min; 4. Participate voluntarily and sign informed consent.

Exclusion criteria

Exclusion criteria: 1. Unable to withstand excessive neck extension or rotation due to cervical fusion or instability; 2. Anesthesia should not be performed in the supine position; 3. Acute exacerbations of asthma and chronic obstructive pulmonary disease, or bullae with the risk of pneumothorax; 4. Serious cardiovascular and cerebrovascular diseases; 5. There are contraindications to the use of laryngeal mask.

Design outcomes

Primary

Measure	Time frame
Oxygenation index;	—

Countries

China

Contacts

Public ContactLiu Manman

Zhongshan Hospital, Fudan University (Xiamen Branch)

418445558@qq.com+86 187 5922 1287

Outcome results

None listed

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