Monitoring brain oxygen levels to guide blood pressure during carotid artery surgery
Tests brain oxygen monitoring to guide care in adults having carotid endarterectomy surgery.
Plain-language title generated from the registry record
Registry title: Association Between Local Cerebral Oxygenation Monitoring and Postoperative Stroke in Carotid Endarterectomy
Key facts
- Where
- Beijing, ChinaSee the 2 sites
AI summary: who the study is looking for
From the trial's eligibility criteria. Machine-read from the registry text on this page, so it can be wrong. The registry text below and the trial team decide who can take part.
The trial is looking for adults aged 18-80 who are scheduled for planned carotid endarterectomy, an operation on the neck artery. It tests blood pressure care guided by brain oxygen monitoring.
- Age
- 18 to 80 years
- Sex
- All sexes can join.
- Disease stage
- Planned (elective) carotid endarterectomy; ASA class II or III (a rating of general health before surgery).
- Earlier treatment
- Cannot have taken psychotropic (mind-affecting) medicine in the year before surgery. Cannot have had brain surgery before.
Main reasons for not taking part
- Moderate or severe memory or thinking problems before the operation
- Psychotropic medicine in the year before the operation
- Earlier brain surgery
- Speech or language problems
Read by machine on 12 November 2026.
Could this be for you?
Answer for yourself. This is not a decision: only the study team can say whether you can take part.
- Are you between 18 and 80 years old?
Source: NCT06406842, who can take part
Where in China
- Beijing Tian Tan Hospital, Capital Medical UniversityBeijing, ChinaContact: Yuming PengTaking people
- Xuanwu Hospital, Capital Medical UniversityBeijing, ChinaContact: Lei ZhaoTaking people
Questions to ask the study team
- How often do I need to come in, and for how long each time?
- Are travel costs paid?
- Can I keep my own doctor?
- What happens if I want to stop?
Contact the study team: see the registry record → Contacts and Locations
Print a page for my doctorTrial details
- Who runs it
- Beijing Tiantan Hospital
- Trial code
- NCT06406842
- Record updated
- 8 September 2025
- Original description
Carotid endarterectomy (CEA) is used to treat symptomatic extracranial internal carotid artery stenosis. The occult stroke of CEA patients evaluated by magnetic resonance imaging 3 days after operation was as high as 17%. Cerebral blood flow autoregulation (CA) is the ability of the brain to maintain the relative stability of cerebral blood flow, and cerebral oxygen index (COx) can be used to reflect CA. A negative value of cerebral oxygen index or a value near zero indicates that CA is complete, and cerebral oxygen index close to 1 indicates that CA has lost its ability. In theory, real-time monitoring of CA function by cerebral oxygen index and individualized management strategy with this goal can potentially reduce perioperative ischemic brain injury. The purpose of this study is to explore the influence of the management strategy of monitoring CA function based on regional cerebral oxygen saturation on the postoperative neurological complications of CEA patients.Read full original descriptionShow less
Perioperative Application of Hemodynamic Management Based on Regional Cerebral Oxygen Saturation Monitoring of Cerebral Autoregulation in Carotid Endarterectomy
Carotid endarterectomy (CEA) is used to treat symptomatic extracranial internal carotid artery stenosis. The occult stroke of CEA patients evaluated by magnetic resonance imaging 3 days after operation was as high as 17%. Cerebral blood flow autoregulation (CA) is the ability of the brain to maintain the relative stability of cerebral blood flow, and cerebral oxygen index (COx) can be used to reflect CA. A negative value of cerebral oxygen index or a value near zero indicates that CA is complete, and cerebral oxygen index close to 1 indicates that CA has lost its ability. In theory, real-time monitoring of CA function by cerebral oxygen index and individualized management strategy with this goal can potentially reduce perioperative ischemic brain injury. The purpose of this study is to explore the influence of the management strategy of monitoring CA function based on regional cerebral oxygen saturation on the postoperative neurological complications of CEA patients.
Inclusion: Patients scheduled for elective carotid endarterectomy; ASA Ⅱ or Ⅲ; aged 18-80 years old.
Exclusion: preoperative psychotropic medication history within one year; preoperative moderate and severe cognitive impairment; history of neurosurgery; have speech or language impairments.