Comparative study of pulsatile and non-pulsatile blood flow on cerebral oximetry in patients with different intensities of carotid stenosis and without stenosis

Comparative study of pulsatile and non-pulsatile blood flow on cerebral oximetry in patients with different intensities of carotid stenosis and without stenosis during coronary artery bypass graft (CABG)

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20170620034666N4

Enrollment

61

Registered

2022-01-30

Start date

2021-11-22

Completion date

Unknown

Last updated

2022-02-07

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

Conditions

Coronary artery bypass graft. Atherosclerotic heart disease of native coronary artery

Interventions

Intervention 1: Intervention group: Nonpulsatil blood flow: From the start of cardiopulmonary bypass during CABG surgery, the blood flow carried by the cardiopulmonary bypass machine to the body will

Sponsors

Esfahan University of Medical Sciences

Lead Sponsor

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Elective CABG surgery patients With carotid stenosis below 70% and without carotid stenosis

Exclusion criteria

Exclusion criteria: Recent stroke Vertebral artery stenosis

Design outcomes

Primary

Measure	Time frame
Cerebral oximetry. Timepoint: After aortic cross clamp, immediately before the start of the pulsatile blood flow, 15 minutes after the start of the pulsatile flow (end of the pulsatile flow) and after returning to the non-pulsatile flow. Method of measurement: By near infrared spectroscopy device monitor.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactMehran Shahzamani

Esfahan University of Medical Sciences

m.shahzamani@med.mui.ac.ir+98 31 3670 1227

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026