Comparison of deep breathing and tidal volume breathing preoxygenation techniques with the Oxygen Reserve Index (ORI) in volunteers.

Comparison of deep breathing and tidal volume breathing preoxygenation techniques with the Oxygen Reserve Index (ORI) in volunteers. - Comparison of deep breathing and tidal volume breathing preoxygenation techniques with the Oxygen Reserve Index (ORI) in volunteers.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000035165

Enrollment

Registered

2018-12-10

Start date

2018-12-10

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

None

Interventions

tidal volume breathing 3 min deep breathing 30 sec deep breathing 60 sec

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: ASA-PS 1,2

Exclusion criteria

Exclusion criteria: Cardiovascular diseases Respiratory diseases

Design outcomes

Primary

Measure	Time frame
Time from holding breathing to become 0 level ORi.	—

Countries

Japan

Contacts

Public ContactAyana Kanaya

National Defense Medical College Department of Anesthesiology

akanaya@ndmc.ac.jp04-2995-1214

Outcome results

None listed

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