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Goal-directed Low Oxygen During Anesthesia

NCT05263154 · Status: UNKNOWN · Phase: NA · Type: INTERVENTIONAL · Enrollment: 200

Last updated 2023-08-16

No results posted yet for this study

Summary

The study aims at investigate whether low oxygen therapy during anesthesia improves oxygen partial pressure and lung function in the postoperative period after abdominal surgery. 200 patients scheduled for abdominal surgery will be randomized (1:1) to goal directed low oxygen concentration during and after anesthesia vs. fixed high oxygen concentration. Arterial oxygen partial pressure is the primary outcome and lung function a secondary explanatory outcome.

Conditions

  • Postoperative Complications

Interventions

OTHER

Goal directed low oxygen

Oxygen is titrated until oxygen saturation is 100% in one-minute steps before the induction of anesthesia, with increasing fraction of inspired oxygen (FiO2) from 0.25 to 0.30 to 0.35 and so on. After intubation, the FiO2 is set to 0.25 to achieve a target saturation of 94-96%. Supplementary oxygen after surgery will be given with the same targets and with as little oxygen as necessary.

OTHER

High oxygen

FiO2 1.0 before induction until end-tidal oxygen concentrations of 0.80 occur. The FiO2 will be reduced to 0.35 during anesthesia, followed by an increase in FiO2 to 0.80 during 5 minutes before extubating the patient, followed by FiO2 0.40 for at least thirty minutes after anesthesia. Oxgen will then be given at 3 liters a minute with a oxygen saturation goal of 98%

Sponsors & Collaborators

  • Umeå University

    lead OTHER

Principal Investigators

  • Karl A Franklin, MD, PhD · Umeå University

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2022-03-28
Primary Completion
2024-12-31
Completion
2025-03-31

Countries

  • Sweden

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT05263154 on ClinicalTrials.gov