Changes in cardiac output and cerebral oxygenation status at rest and during exercise in patients after cardiac surgery

Cardiac output and cerebral oxygenation during rest and exercise in patients after cardiovascular surgery - Cardiac output and cerebral oxygenation during rest and exercise in patients after cardiovascular surgery

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000047472

Enrollment

Registered

2022-05-01

Start date

2022-07-12

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

After Cardiovascular Surgery

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. patients undergoing rehabilitation 2. patients whose physicians have decided to start weaning based on clinical criteria 3. age 20 years or older 4. patients scheduled for admission for cardiac and major vascular surgery 5. patients who meet 1-4 and have undergone cardiopulmonary exercise testing during hospitalization

Exclusion criteria

Exclusion criteria: 1. NIRS probe not applicable 2. chronic ventilation disorders such as COPD, emphysema, bronchial asthma, chronic bronchitis 3. history of stroke 4. moderate to severe carotid artery stenosis 5. respiratory quotient at peak of cardiopulmonary exercise test is less than 1.1 6. after pacemaker implantation 7. patients who have requested to refuse the study

Design outcomes

Primary

Measure	Time frame
cerebral regional oxygen saturation at rest and during exercise	—

Countries

Japan

Contacts

Public ContactLeo Washizawa

Niigata University of Health and Welfare master's

hpm21019@nuhw.ac.jp025-257-4455

Outcome results