Condition: Carotid Artery Stenosis Symptomatic · Carotid Endarterectomy (CEA) Surgical Patients · Cerebral Hypoperfusion · Sponsor: Izmir Katip Celebi University
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 NIRS. The study will include patients undergoing awake CEA (under regional anesthesia) at a single center university hospital. Oxygen levels in both hemispheres of the brain will be monitored before and after the carotid artery is clamped after 3 minutes. Stump pressure will also be measured. The researchers will examine whether low stump pressure is linked to greater differences in brain oxygen levels between the two sides. The primary goal is to determine whether a large difference in brain oxygenation between the two hemispheres (greater than 10%) is associated with low carotid stump pres…
This description comes directly from the study's public registry record.
Ahmet Salih Tüzen, M.D. · +90 535 391 55 77 · astuzen@icloud.com
Murat Aksun, M.D. · murataksun@yahoo.com
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| Izmir Katip Celebi University Atatürk Training and Research Hospital | Izmir, Turkey (Türkiye) | Recruiting |
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Source record: clinicaltrials.gov/study/NCT07150260