PostoperAtIve Oxygen suppLy to reduce tempOrary deSaturation in patients after non-cardiac surgery, a prospective, randomised controlled trial (AIOLOS trial)

Status

Recruiting

Phases

Phase 3

Study type

Interventional

Source

EU CTIS

Registry ID

CTIS2024-514285-39-00

Enrollment

210

Registered

2024-10-03

Start date

2025-03-19

Completion date

Unknown

Last updated

2026-01-15

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

Conditions

risk for postoperative complications after general surgery, risk for postoperative complications after urology surgery

Brief summary

SpO2-TWA<90 in the first two days after surgery, measured using pulse oximetry.

Detailed description

SpO2-TWA<90 in the first 24h after surgery, measured using pulse oximetry., Score of the quality of recovery using QoR-15GE questionnaire in the evening of the first postoperative day., Incidence of delirium using 3D-CAM on the first two days after surgery., Incidence of surgical site infection documented in the hospital records and follow-up call after 30 days.

Interventions

DRUGSauerstoff medizinisch Air Liquide

Eligibility

Sex/Gender

All

Age

65 Years to No maximum

Design outcomes

Primary

Measure	Time frame
SpO2-TWA<90 in the first two days after surgery, measured using pulse oximetry.	—

Secondary

Measure	Time frame
SpO2-TWA<90 in the first 24h after surgery, measured using pulse oximetry., Score of the quality of recovery using QoR-15GE questionnaire in the evening of the first postoperative day., Incidence of delirium using 3D-CAM on the first two days after surgery., Incidence of surgical site infection documented in the hospital records and follow-up call after 30 days.	—

Countries

Austria

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026