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Ultrasound reveals hidden airway risk in routine gallbladder surgery

NCT ID NCT07021482

Knowledge-focused Sponsor: Engin Çetin Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This study looked at whether the air pressure used in the belly during laparoscopic gallbladder surgery can cause swelling in the airway. 66 adults having planned gallbladder surgery were randomly assigned to either a lower or standard belly pressure. Researchers used ultrasound to measure airway tissue thickness before and after the procedure to see if higher pressure leads to more swelling.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

76 people

The number who actually took part.

Started

Jun 2025

Finished

Sep 2025

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

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

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: * Age between 18 and 65 years * ASA physical status I-II * Body mass index (BMI) \< 30 kg/m² * Mallampati score I-II * Scheduled for elective laparoscopic cholecystectomy Exclusion Criteria: * History of difficult intubation * Upper respiratory tract infection * Obstructive sleep apnea or STOP-Bang score ≥3 * Severe cardiopulmonary disease * Pregnancy * Indication for emergency surgery

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Conditions

The condition(s) this trial relates to.

Pneumoperitoneum

As listed by the trial registrant

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

Airway edema Perioperative complication Pneumoperitoneum

Contacts and locations

Locations

  • University of Health Sciences Kocaeli City Hospital

    Kocaeli, Izmit, 41100, Turkey (Türkiye)

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Other studies related to the condition(s) this trial covers.