Dose wearing surgical mask cause ineffective preoxygenation?: a randomized crossover controlled study in healthy volunteers.

Status

Active, not recruiting

Phases

Phase 1Phase 2

Study type

Interventional

Source

TCTR

Registry ID

TCTR20210628002

Enrollment

Registered

2021-06-28

Start date

2020-04-01

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

healthy volunteers preoxygenation surgical mask healthy volunteer

Interventions

surgical mask,no surgical mask

Experimental Device,Experimental Device

M-TV,TV

Eligibility

Sex/Gender

All

Age

20 Years to 40 Years

Inclusion criteria

Inclusion criteria: 1.age 20-40 years 2.healthy and were health care worker in the department of anesthesiology, King Chulalongkorn Memorial Hospital

Exclusion criteria

Exclusion criteria: 1.cardiac, pulmonary, upper respiratory tract disease 2.smoking 3.obesity (BMI > 35) 4.facial anomalies 5.abnormal dentition have beards or moustaches 6.cooperate poorly

Design outcomes

Primary

Measure	Time frame
the efficacy of preoxygenation with and without surgical mask 5 minutes end tidal carbon dioxide evaluation with anesthetic machine Datex-Omeda, Avance CS2	—

Secondary

Measure	Time frame
the efficacy of preoxygenation with and without surgical mask 2 minute end tidal carbon dioxide evaluation with anesthetic machine Datex-Omeda, Avance CS2	—

Countries

Thailand

Contacts

Public ContactAnchalee Techanivate

king chulalongkorn memorial hospital

anchaleenivate12@gmail.com0802637755

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026