Determination of postoperative oxygen dose based on the Oxygen reserve index (ORi)

Determination of postoperative oxygen dose based on the Oxygen reserve index (ORi) - ORi and postoperative oxygen

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000035324

Enrollment

Registered

2019-02-15

Start date

2019-02-15

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

breast cancer

Interventions

decreasing the postoperative supplemental oxygen dose fixed dose of postoperative oxygen

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
A low level of hyperoxia and oxygen consumption by the reduced supplemental oxygen dose determined based on ORi	—

Secondary

Measure	Time frame
The same extent of postoperative hypoxia	—

Countries

Japan

Contacts

Public ContactKumagai Motoi

Iwate Medical University Hospital Department of Anaesthesiology

bear@kxd.biglobe.ne.jp+81-19-651-5110(8153)

Outcome results

None listed

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