Assessment of Oxygenation With Oxygen Reserve Index for General Anesthesia

Assessment of Oxygenation With Oxygen Reserve Index for Different Fresh Gas Flows in General Anesthesia Administration

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT04698863

Enrollment

Registered

2021-01-07

Start date

2019-04-01

Completion date

2020-03-30

Last updated

2021-01-12

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

Conditions

Hyperoxia

Keywords

General anesthesia, Oxygen reserve index, Oxygenation, Hyperoxia

Brief summary

To assess oxygenation with the oxygen reserve index in desflurane anesthesia administration using low and high fresh gas flows for tympanomastoidectomy surgeries.

Interventions

DEVICEOxygen reserve index

eveluating oxygen reserve in blood

Study design

Observational model

OTHER

Time perspective

PROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

18 Years to 65 Years

Healthy volunteers

Yes

Inclusion criteria

* American Society of Anesthesiologists (ASA) risk class I-II, * Undergoing tympanomastoidectomy

Exclusion criteria

* Morbid obesity * Opioid sensitivity Alcohol or drug addiction * Chronic obstructive pulmonary disease * Coronary artery disease, * Congestive heart failure * Pronounced anemia * Have a history of liver or kidney disease

Design outcomes

Primary

Measure	Time frame	Description
to assess oxygenation with the oxygen reserve index (ORI) in different fresh gas flows in general anesthesia.	During the surgery procedure	to assess oxygenation with the oxygen reserve index (ORI) in desflurane anesthesia administration using low and high fresh gas flows for tympanomastoidectomy surgeries.

Countries

Turkey (Türkiye)

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026