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Correlation Between Carotid Stump Pressure and Interhemispheric rSO₂ Asymmetry During Awake Carotid Endarterectomy

Recruitingn/aAges 18 Years - anyAllIzmir Katip Celebi University
NCT07150260 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

This study aims to better understand how well the brain is perfused (supplied with blood and oxygen) during a specific type of surgery called carotid endarterectomy (CEA), which is performed to prevent strokes in people with stenosis of carotid arteries. During this surgery, the surgeon temporarily clamps the carotid artery to remove a blockage, which can reduce blood flow to the brain. Monitoring brain oxygen levels during this time is important to prevent brain injury. Two common monitoring methods are: Stump pressure (SP) - a pressure measurement taken from the carotid artery during surgery. Near-infrared spectroscopy (NIRS) - a non-invasive technique that tracks brain oxygen levels in real time. This study focuses on the relationship between carotid stump pressure and differences in brain oxygenation between the two sides of the brain (interhemispheric asymmetry), as measured by

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📋 Eligibility rules (as published)
Inclusion Criteria: * Adults aged 18 years or older * Scheduled for elective carotid endarterectomy (CEA) * Able to tolerate surgery under regional anesthesia (superficial cervical plexus block) * Availability of bilateral regional cerebral oxygen saturation (rSO₂) measurements by near-infrared spectroscopy (NIRS) * Successful intraoperative carotid stump pressure (SP) measurement after cross-clamping * Provided written informed consent Exclusion Criteria: * Incomplete NIRS or SP recordings * Conversion from regional to general anesthesia * Intraoperative technical complications preventing monitoring * History of prior ipsilateral carotid endarterectomy or carotid artery stenting * Recent major stroke with permanent neurological deficit * Recent myocardial infarction within the past 3 months * History of traumatic brain injury within the past 6 months
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What it tests

  • Not listed
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Where

1 site
Izmir Katip Celebi University Atatürk Training and Research Hospital
Izmir, Turkey (Türkiye)
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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