Adjustment of inspired oxygen concentration during general anesthesia using Oxygen Reserve Index (ORI) a new parameter of oxygenation reserve potential.
Not Applicable
- Conditions
- Patients with ASA (American Society of Anesthesiologists) classification 1 or 2 who are scheduled for surgical procedures under general anesthesia
- Registration Number
- JPRN-UMIN000021118
- Lead Sponsor
- Department of Anesthesiology, Fukushima Medical University
- Brief Summary
DOI: 10.1007/s10877-019-00341-9
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete: follow-up complete
- Sex
- All
- Target Recruitment
- 20
Inclusion Criteria
Not provided
Exclusion Criteria
Patients are excluded if they meet any of the following conditions: 1. Inability to wear the sensor due to deformity or hypoperfusion of fingers. 2. Preoperative anemia due to hemoglobinopathies (e.g. sickle cell disease, thalassemia) 3. Cardiac or pulmonary disease (e.g. chronic obstructive pulmonary disease, interstitial pneumonia) 4. Ineligibility for participation in the study
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method PaO2 obtained by arterial blood gas analysis, and the ORI and inspired oxygen concentration at the time of blood colection during general anesthesia
- Secondary Outcome Measures
Name Time Method 1. Basic information of patients: Gender, age, height, weight, date of surgery, diagnosis, operative procedure, sensor attachment site, and insertion site of the arterial pressure line. 2. Presence or absence of adverse events, symptoms, extent, and treatment. 3. Presence or absence of measurement equipment failure. 4. Presence or absence of measurement cessation. 5.Recording of data monitoring: Inspired oxygen concentration, arterial blood gas analysis, blood pressure, heart rate, SpO2, ORI, SpHb of RootTM, perfusion index (PI), and pleth variability index (PVI)