Internal Jugular Vein Collapsibility Index for Predicting Post-Induction Hypotension (NCT07565025) | Clinical Trial Compass
Not Yet RecruitingNot Applicable
Internal Jugular Vein Collapsibility Index for Predicting Post-Induction Hypotension
Turkey (Türkiye)42 participantsStarted 2026-05-01
Plain-language summary
This study aims to investigate whether the Internal Jugular Vein Collapsibility Index (IJV-CI), measured via ultrasonography, can predict hypotension (low blood pressure) that occurs after the induction of general anesthesia. Researchers will measure the diameter of the internal jugular vein in patients before surgery and compare these measurements with the blood pressure changes during the first minutes of anesthesia. The goal is to determine if IJV-CI can be used as a reliable, non-invasive tool to identify patients at higher risk of developing anesthesia-induced hypotension.
Who can participate
Age range
18 Years – 65 Years
Sex
ALL
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Inclusion Criteria:
* Patients aged 18-65 years.
* Patients with ASA (American Society of Anesthesiologists) physical status I, II, or III.
* Patients scheduled to receive general anesthesia.
* Patients scheduled for elective laparoscopic cholecystectomy.
Exclusion Criteria:
* Patients with obesity (Body Mass Index \> 35 kg/m²).
* Patients with Atrial Fibrillation or other serious cardiac arrhythmias.
* Patients with a history of neck surgery or any pathology preventing Internal Jugular Vein (IJV) measurement.
* Patients with advanced heart failure (Ejection Fraction \< 40%).
* Patients with severe valvular heart disease.
* Patients with peripheral vascular disease.
* Patients undergoing emergency surgery.
* Patients who are unwilling to participate in the study.
Questions worth asking your doctor
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
Questions for the trial coordinator
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
What they're measuring
1
Internal Jugular Vein Collapsibility Index (IJV-CI)
Timeframe: Baseline (pre-induction) and every minute up to 10 minutes following induction or until surgical in