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Effects of Extracorporeal Circulation Techniques on Cerebral Perfusion in CABG Surgery

Recruitingn/aAges 18 Years - 75 YearsAllKartal Kosuyolu High Speciality Training and Rese…
NCT07420738 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

This prospective study aims to compare the effects of minimal invasive extracorporeal circulation (MiECC) and conventional reservoir-based extracorporeal circulation techniques on cerebral perfusion in patients undergoing elective coronary artery bypass graft (CABG) surgery. Although the adverse effects of cardiopulmonary bypass on cerebral perfusion and oxygenation are well recognized, the relationship between these effects and changes in intracranial pressure has not been fully elucidated. In this context, ultrasonographic measurement of optic nerve sheath diameter (ONSD), a non-invasive surrogate marker of intracranial pressure, will be used in combination with near-infrared spectroscopy (NIRS) to enable a comprehensive assessment of cerebral perfusion and oxygenation. Between February 2026 and February 2027, a total of 70 ASA II-III patients scheduled for elective CABG surgery will

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📋 Eligibility rules (as published)
Inclusion Criteria: * Age ≥ 18 years * Scheduled for elective coronary artery bypass graft (CABG) surgery * American Society of Anesthesiologists (ASA) physical status II-III * Planned use of extracorporeal circulation during surgery * Ability to provide written informed consent Exclusion Criteria: * Age \< 18 years * ASA physical status other than II-III * Emergency surgery * Pregnancy * History of neurological disease affecting consciousness or decision-making capacity * History of psychiatric disease affecting decision-making capacity * History of head trauma within the previous 24 hours * Presence of carotid artery stenosis or significant carotid artery disease * Coagulation disorders (INR \> 1.25, aPTT \> 35 s, or platelet count \< 100,000/μL) * Reoperation (redo cardiac surgery) * Congestive heart failure * Chronic kidney failure * Sepsis * Hypoxia * Ocular trauma * Optic nerve pathology
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What it tests

  • Not listed
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Where

1 site
Kosuyolu High Specialization Training and Research Hospital
Istanbul, 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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