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Eye ultrasound may help monitor brain pressure during keyhole hysterectomy

NCT ID NCT06168578

Knowledge-focused Sponsor: Balikesir University 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This study looks at whether a lung-opening technique called alveolar recruitment manoeuvre (ARM) affects brain pressure during laparoscopic hysterectomy. Researchers will use ultrasound to measure the optic nerve sheath diameter, a noninvasive way to estimate intracranial pressure. The study involves 60 women aged 18-65 undergoing elective surgery. The goal is to understand how ARM influences brain pressure, not to test a new treatment.

What this could mean

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

What this could lead to
If successful, this could show that a simple ultrasound measurement of the optic nerve sheath can safely monitor brain pressure during laparoscopic surgery, potentially improving patient safety.
What could go wrong
This is a small, early-stage observational study with only 60 participants. It does not test a treatment, and the findings may not apply to other surgeries or patient groups.

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 60 people

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

Started

Jan 2024

Expected to finish

Apr 2026

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

* 18-65 years * Female volunteers

Ages

18 to 65 years

Sex

Female participants only

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: * Elective total laparoscopic hysterectomy under general anaesthesia * 18-65 years * ASA I-II * Female volunteers with a body mass index (BMI) ≤35 kg/m2 with written informed consent will be included in the study Exclusion Criteria: * Previous eye surgery, ophthalmic disease * Previous neurosurgery * Transient ischaemic attack, other neurological diseases affecting the eye or that may affect ICP * Previous lung surgery, pneumothorax * Pulmonary diseases (emphysema, pneumonia, malignancy) * Patients in whom the surgical plan has changed (open/complicated surgery) will not be included in the study

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Conditions

The condition(s) this trial relates to.

optic nerve disorder

As listed by the trial registrant

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

Hysterectomy Optic nerve Recruitment

Contacts and locations

Locations

  • Balikesir University Faculty of Medicine

    Balıkesir, Turkey (Türkiye)

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