Cardiac SurgeryNCT07548905
Effect of Hyperoxia or Hypoxemia on the Incidence of Delirium in Patients After Cardiac Surgery
An observational study of Cardiac Surgery and Delirium - Postoperative, run by Southeast University, China at 1 site in China.
Trial summary
Our goal was to study the effect of hyperoxia or hypoxemia on the incidence of delirium in patients after cardiac surgery. Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- Cardiac Surgery, Delirium - Postoperative, Hyperoxia
- How many people
- 1,000 participants
- Where
- 1 siteChina
- Study dates
- 1 Jan 2024to 1 Jan 2026
- Phase
- Observational
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Study population: patients undergoing cardiac surgery
1.undergoing cardiac surgery 2.transferred into ICU after the surgery
Trial locations and contacts
1 site in 1 country.
About this study
Our goal was to study the effect of hyperoxia or hypoxemia on the incidence of delirium in patients after cardiac surgery.
Read the detailed description
This project intends to explore the effect of hyperoxia or hypoxemia on the incidence of delirium in patients after cardiac surgery through a single-center retrospective observational study.
- Conditions
- Cardiac Surgery, Delirium - Postoperative, Hyperoxia, Hypoxemia
- Keywords
- hyperoxia, hypoxemia, delirium, cardiac surgery, postoperative
- Medical subject headings
- Emergence Delirium, Hyperoxia, Hypoxia, Delirium
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
| Study group | Role | What they receive |
|---|---|---|
| hyperoxia | patients with hyperoxia after cardiac surgery | |
| hypoxemia | patients with hypoxemia after cardiac surgery |
What is being measured
The primary outcome is the main question the study is designed to answer.
delirium
CAM-ICU acore over 3
Measured: 72h
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted23 Apr 2026
- Study start1 Jan 2024
- Primary completion31 Dec 2025
- Study completion1 Jan 2026
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Cardiac SurgeryStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Other
- Time perspective
- Retrospective
- Enrolment
- 1,000 participants (actual)
Sponsor and investigators
- Lead sponsor
- Southeast University, China
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Jingyuan,Xu, Southeast University, China
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT07548905
- Sponsor's protocol ID
- 2020ZDSYLL122-P01
- Status last verified
- Sep 2020
- First submitted
- 16 Apr 2026
- Last updated
- 23 Apr 2026
- Results posted
- No
- Data monitoring committee
- Yes
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No
Study at a glance
From the registry record, last updated by the sponsor on 23 Apr 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Effect of Hyperoxia or Hypoxemia on the Incidence of Delirium in Patients After Cardiac Surgery
- ClinicalTrials.gov ID
- NCT07548905
- Acronym / sponsor ID
- 2020ZDSYLL122-P01
- Conditions
- Cardiac Surgery, Delirium - Postoperative, Hyperoxia, Hypoxemia
- Keywords
- hyperoxia, hypoxemia, delirium, cardiac surgery, postoperative
- Study type
- Observational
- Recruitment status
- Completed
- Enrolment
- 1,000 participants (actual)
- Lead sponsor
- Southeast University, ChinaUniversity, hospital or other
- Study start
- 1 Jan 2024 (actual)
- Primary completion
- 31 Dec 2025 (actual)
- Study completion
- 1 Jan 2026 (actual)
- First posted
- 23 Apr 2026 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Our goal was to study the effect of hyperoxia or hypoxemia on the incidence of delirium in patients after cardiac surgery.
Detailed description
This project intends to explore the effect of hyperoxia or hypoxemia on the incidence of delirium in patients after cardiac surgery through a single-center retrospective observational study.
Study design
- Observational model
- Other
- Time perspective
- Retrospective
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| hyperoxia | – | –patients with hyperoxia after cardiac surgery |
| hypoxemia | – | –patients with hypoxemia after cardiac surgery |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
- Study population
- patients undergoing cardiac surgery
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Primary outcome
delirium
Time frame: 72h
CAM-ICU acore over 3
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 23 Apr 2026.
- Individual participant dataSharing planned: No
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Cardiac Surgery and Delirium - Postoperative, run by Southeast University, China at 1 site in China.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 23 Apr 2026. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in China. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
delirium (time frame: 72h). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 23 Apr 2026.