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Effects of oxygen washout on reducing atelectasis formation during general anesthesia

Effects of oxygen washout on reducing atelectasis formation during general anesthesia

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2100049281
Enrollment
Unknown
Registered
2021-07-29
Start date
2021-08-01
Completion date
Unknown
Last updated
2022-04-04

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

Conditions

Atelectasis

Interventions

Control Group:routine ventilation
Oxygen Washout Group:oxygen washout

Sponsors

The First Hospital of Shanxi Medical University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Patients undergoing elective cerebral vascular interventional surgery; 2. ASA I to III; 3. BMI 19 to 28.

Exclusion criteria

Exclusion criteria: 1. Severe obstructive pulmonary disease; 2. Heart failure, ischemic heart disease; 3. Anemia (hemoglobin <100g/L); 4. Peripheral blood oxygen saturation <94% when inhaling air; 5. Known or unexpected difficult airway; 6. For smokers or ex-smokers with a smoking history of 6 full years.

Design outcomes

Secondary

MeasureTime frame
the time of end-tidal oxygen concentration (EtO2) decreasing to 30%;minimum blood pressure and maximum airway pressure during oxygen washout;—

Primary

MeasureTime frame
atelectasis area;—

Countries

China

Contacts

Public ContactTian Shouyuan

The First Hospital of Shanxi Medical University

chinatsyjj@126.com+86 13803401773

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026