Surgical mask in the application of anesthesia preoxygenation and mask assisted ventilation

Status

Recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2000031475

Enrollment

Unknown

Registered

2020-04-02

Start date

2020-04-02

Completion date

Unknown

Last updated

2020-04-27

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

Conditions

Induction of general anesthesia

Interventions

Group A:Wear surgical mask

Group B:No surgical mask

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Adult patients over 18 years old; 2. Patients who are to be operated under general anesthesia.

Exclusion criteria

Exclusion criteria: 1. Patients with abnormal or pathological structure of upper respiratory tract; 2. Patients with missing teeth, dentures or unstable teeth; 3. Patients with high risk of aspiration; 4. Patients with hemoglobin level III and so on.

Design outcomes

Primary

Measure	Time frame
Arterial pH, PaO2, PaCO2;	—

Secondary

Measure	Time frame
tidal volume of mask ventilation;ETCO2;	—

Countries

China

Contacts

Public ContactSheng Wang

The First Affiliated Hospital of USTC (Anhui Provincial Hospital)

iamsheng2006@163.com+86 18935701573

Outcome results

None listed

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