The Impact of Surgical Masks on Oxygen Therapy with Oxygen Masks

The Impact of Surgical Masks on Oxygen Therapy with Oxygen Masks - The Impact of Surgical Masks on Oxygen Therapy with Oxygen Masks

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000042557

Enrollment

Registered

2020-11-26

Start date

2020-11-26

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Adult Healthy Volunteers

Interventions

Wearing an oxygen mask with a surgical mask Wearing an oxygen mask without a surgical mask

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Male and female adult volunteers aged 20 years or older with ASA(American Society of Anesthesia) PS(Physical Status) 1-2 with no underlying respiratory diseases and Hugh-Jones classification grade I

Exclusion criteria

Exclusion criteria: ASA PS3 or higher Underlying respiratory disease and a Hugh-Jones classification of grade II or higher

Design outcomes

Primary

Measure	Time frame
The fraction of inspired oxygen (FiO2) , The partial pressure of inspired carbon dioxide	—

Secondary

Measure	Time frame
The fraction of exhaled oxygen, The partial pressure of exhaled carbon dioxide, Percutaneous arterial oxygen saturation(SpO2)	—

Countries

Japan

Contacts

Public ContactMichiko Kinoshita

Tokushima University Hospital Anesthesiology

michiko-kinoshita@tokushima-u.ac.jp088-633-7181

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026