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Heart risks during obesity surgery: new study reveals position matters

NCT ID NCT06835166

Knowledge-focused Sponsor: Firat 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 80 severely obese adults having laparoscopic sleeve gastrectomy (weight-loss surgery). Researchers measured heart electrical activity and blood pressure as patients were moved into different positions during the operation. The goal was to understand how position changes affect heart function and the risk of dangerous heart rhythms. The study did not test a new treatment but aimed to improve safety during surgery.

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

80 people

The number who actually took part.

Started

Feb 2025

Finished

May 2025

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

Morbidly obese patients undergoing laparoscopic sleeve gastrectomy

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: 1. Adult patient planned for elective primary laparoscopic sleeve gastrectomy surgery 2. Body Mass Index (BMI) ≥ 40 kg/ / m² 3. Age ≥ 18 4. ASA physical health class II-III. Exclusion criteria: 1. Patient refusal to participate in the study 2. Those who underwent revision laparoscopic sleeve gastrectomy 3. Emergency laparoscopic sleeve gastrectomy surgery (stump leakage, etc.) 4. Secondary surgery in addition to elective laparoscopic sleeve gastrectomy 5. Patients with previous recurrent abdominal surgery 6. Patients with electrolyte imbalance 7. Direct laryngoscopy in ramp position 8. Multiple intubation attempts due to difficult intubation 9. Preoperative arrhythmia and heart failure (ejection fraction \< 30%) 10. Renal and liver failure 11. Patients who require \> 8 ml/kg for tidal volume

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Conditions

The condition(s) this trial relates to.

morbid obesity

As listed by the trial registrant

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

Bariatric surgery (sleeve gastrectomy ) Electrocardiography Hemodynamics

Contacts and locations

Locations

  • Firat University Hospital, Department of Anesthesiology and Reanimation

    Elâzığ, 23200, Turkey (Türkiye)

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