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Neck ultrasound may predict anesthesia danger

NCT ID NCT07565025

Diagnosis Sponsor: University of Gaziantep Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Aug 04, 2026 · Updated 2 times

Summary

This study looks at whether measuring the collapsibility of the internal jugular vein in the neck using ultrasound can predict low blood pressure after general anesthesia. Researchers will measure the vein in 42 adults before gallbladder surgery and track blood pressure changes right after anesthesia starts. If the measurement works, it could be a quick, safe way to spot high-risk patients.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Internal Jugular Vein Collapsibility Index measurement via ultrasound
What this could lead to
If successful, this could give doctors a simple, non-invasive way to identify patients at risk of low blood pressure during anesthesia, helping prevent complications.
What could go wrong
This is a small, early study with only 42 participants, so results may not apply to all patients. The measurement may not reliably predict low blood pressure in practice.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

About 42 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Aug 2026

An estimate. Start dates often move.

Expected to finish

Feb 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

The study population consists of adult patients aged 18-65 who are scheduled to undergo elective laparoscopic cholecystectomy under general anesthesia. Participants will be selected from patients who meet the ASA I-III physical status criteria. The study focuses on evaluating pre-induction internal jugular vein characteristics using routine clinical monitoring data in a perioperative setting.

Ages

18 to 65 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

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.

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Conditions

The condition(s) this trial relates to.

hypotensive disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Anesthesia, general Cholecystectomy, laparoscopic Hypotension

How to take part

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  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Gaziantep University Sahinbey Research and Training Hospital

    Gaziantep, 27310, Turkey (Türkiye)

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