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The efficacy of Root& Oxygen Reserve Index for the respiratory management in general anesthesia.

The efficacy of Root& Oxygen Reserve Index for the respiratory management in general anesthesia. - The efficacy of Root Oxygen Reserve Index.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000021001
Enrollment
80
Registered
2016-02-12
Start date
2016-02-12
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

General anesthesia case

Interventions

The Root is applied and the patients are managed to maintain Oxygen Reserve Index 0.25 - 1.0. Conventional SpO2 monitor is only applied.

Sponsors

Sapporo Medical University School of Medicine, Anesthesiology
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: The patients who receive general anesthesia.

Exclusion criteria

Exclusion criteria: The patients that the sensor cannot apply, low perfusion and the anesthesiologists determine inappropriate for this study.

Design outcomes

Primary

MeasureTime frame
The incidence of hypoxic event in general anesthesia.—

Secondary

MeasureTime frame
The duration of hypoxic event, The difference of maximum - minimum SpO2, Correlation between Oxygen Reserve Index and PaO2 (Perfusion index < 0.5 and more over 0.5), The incidence of respiratory complication at postoperative 24-hours period.—

Countries

Japan

Contacts

Public ContactNaoyuki Hirata

Sapporo Medical University School of Medicine Anesthesiology

naohirata@mac.com011-611-2111

Outcome results

None listed

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