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Gentler breathing during bypass may shield diaphragm after heart surgery

NCT ID NCT07067684

Knowledge-focused Sponsor: Konya City Hospital 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 16, 2026 · Updated 2 times

Summary

This study looked at whether using low tidal volume (gentle) ventilation during heart-lung bypass surgery helps preserve diaphragm movement and reduce lung problems after surgery. Sixty adults having elective coronary artery bypass surgery were randomly assigned to receive either gentle ventilation or no ventilation (standard care) during bypass. Researchers measured diaphragm motion with ultrasound and tracked complications like collapsed lung, fluid buildup, and pneumonia.

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

60 people

The number who actually took part.

Started

Jul 2025

Finished

Nov 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.

Ages

18 to 75 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 over 18 years Male or female patients American Society of Anesthesiologists (ASA) physical status class II or III Scheduled for elective coronary artery bypass graft (CABG) surgery with cardiopulmonary bypass (CPB) Provided written informed consent to participate in the study - Exclusion Criteria: History of neuromuscular disease History of thoracic surgery History of pneumothorax or ascites Chronic respiratory failure Pulmonary hypertension or right ventricular failure Emergency surgery Inability to perform diaphragm ultrasonographic measurements Refusal to participate in the study \-

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Conditions

The condition(s) this trial relates to.

coronary artery disorder diaphragm disorder

As listed by the trial registrant

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

Diaphragmatic dysfunction Low tidal volume ventilation Perioperative respiratory function

Contacts and locations

Locations

  • Konya City Hospital

    Konya, Konya, 42020, Turkey (Türkiye)

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