Investigation of the optimal method of oxygen administration with simultaneous use of a surgical mask for patients after general anesthesia

Investigation of the optimal method of oxygen administration with simultaneous use of a surgical mask for patients after general anesthesia - Investigation of the optimal method of oxygen administration for patients after general anesthesia

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000046280

Enrollment

Registered

2021-12-06

Start date

2021-12-10

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

Postoperative patients

Interventions

Oxygen will be administered at 4 L/min for 5 min by Hudson mask over the surgical mask. Oxygen will be administered at 4 L/min for 5 min by Hudson mask under the surgical mask Oxygen will be administ

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients underwent urological surgery who are scheduled to be admitted to the ICU Persons who are legally competent to consent Patients scheduled for arterial pressure measurement in intraoperative and postoperative management

Exclusion criteria

Exclusion criteria: Patients with a history of respiratory disease Patients with an American Society of Anesthesiologists general status classification of 3 or higher Patients who are judged by the physician to be unsuitable for participation in the study

Design outcomes

Primary

Measure	Time frame
Partial pressure of arterial blood oxygen and partial pressure of arterial blood carbon dioxide five minutes after the change of oxygen administration method	—

Secondary

Measure	Time frame
Subjective evaluation of the comfort of each method	—

Countries

Japan

Contacts

Public ContactAya Kamiyama

Gunma University Hospital Intensive Care Unit

gun-tokue@gunma-u.ac.jp027-220-8698

Outcome results

None listed

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