NIRS and BIS Monitoring During Cerebral Aneurysm Coiling

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Conditions studied: Cerebral Aneurysm

In brief

This prospective observational study aims to evaluate the effectiveness of Near-Infrared Spectroscopy (NIRS) and Bispectral Index (BIS) monitoring during endovascular coil embolization of cerebral aneurysms under general anesthesia. Changes in regional cerebral oxygen saturation (rSO₂) measured by NIRS will be assessed in relation to BIS values and hemodynamic parameters throughout the procedure. The frequency, duration, and severity of cerebral desaturation episodes detected by NIRS, as well as their association with anesthetic depth and hemodynamic fluctuations, will be analyzed. The study does not involve any additional intervention beyond routine clinical monitoring.

Key facts

Study ID

NCT07438275

Run by

Dokuz Eylul University

People needed

75

Starts

2026-03-01

Expected to finish

2026-10-01

Last updated by the study team

2026-02-27

Who can join

Age: 18 and older, up to 75. Sex: any. Healthy volunteers: not accepted.

You may not qualify if…

• Refusal or inability to provide informed consent
• History of severe cerebrovascular disease other than the target aneurysm
• Severe cardiac, pulmonary, hepatic, or renal dysfunction
• Pre-existing neurological deficits interfering with NIRS or BIS interpretation
• Known scalp or skin conditions preventing proper placement of NIRS or BIS sensors
• Emergency procedures
• Pregnancy -

Where it is running

• Gülay Akıncı — Gaziantep, Turkey (Türkiye)

Full record on ClinicalTrials.gov

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