Skip to content

Study on minimum oxygen concentration in painless bronchoscopy with HFNC (High Flow Nasal Cannula)

Exploration of minimum effective oxygen concentration in painless bronchoscopy with high flow oxygen

Status
Active, not recruiting
Phases
Early Phase 1
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2200060380
Enrollment
Unknown
Registered
2022-05-30
Start date
2022-05-20
Completion date
Unknown
Last updated
2024-05-13

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

Conditions

Hypoxemia

Interventions

None listed

Sponsors

The First Hospital of Jiaxing
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 64 Years

Inclusion criteria

Inclusion criteria: 1. Gender is not limited, age 18-64 years old, BMI 18.0-28.0 kg/m2; 2. ASA class I or II, heart function class I or II; 3. No contraindication for nasal intubation, no hypoxia or carbon dioxide accumulation before operation.

Exclusion criteria

Exclusion criteria: 1. Those with severe cardiopulmonary insufficiency; those who have not fasted or have a full stomach; 2. Severe coagulation dysfunction, bleeding tendency or during anticoagulant treatment; 3. Nasal polyps, nasopharyngeal tumors, hemangiomas and obstruction; 4. Severe maxillary trauma or skull base fracture; 5. People who are allergic to general anesthesia drugs or who refuse to accept this technique.

Design outcomes

Primary

MeasureTime frame
Arterial partial pressure of oxygen;Arterial partial pressure of Carbon dioxide;

Secondary

MeasureTime frame
Wake up of time;Dosage of dexmedetomidine;Remifentanil dosage;Dosage of propofol;Complications and adverse reactions;

Countries

China

Contacts

Public ContactDeng Kang

The First Hospital of Jiaxing

jxmzdk@163.com+86 13736446844

Outcome results

None listed

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