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The effect of box breathing before chest tube removal after Open-Heart surgery on pain, anxiety, dyspnea, and hemodynamic parameters: a randomized controlled trial

NCT ID NCT07808658

NEW Sponsor: Mersin University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 09, 2026 · Last updated Sep 09, 2026

Summary

This randomized controlled trial aims to evaluate the effects of box breathing performed before chest tube removal on pain, anxiety, dyspnea, and hemodynamic parameters in patients undergoing open-heart surgery. A total of 86 patients will be randomly assigned in a 1:1 ratio to either the box breathing group or the control group. Participants in the intervention group will perform the 4-4-4-4 box breathing technique for approximately five minutes before chest tube removal in addition to routine care, while participants in the control group will receive routine care only. Pain, anxiety, dyspnea, and hemodynamic parameters will be assessed before and at specified time points after chest tube removal.

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

About 86 people

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

Expected to start

Oct 2026

An estimate. Start dates often move.

Expected to finish

Oct 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.

Ages

18 years and older

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 who have undergone open-heart surgery and have a chest tube Aged 18 years or older Willing to participate in the study and providing written informed consent Conscious, oriented, and cooperative Able to read and understand Turkish Clinically and hemodynamically stable Having no more than three chest tubes (up to two mediastinal and one thoracic chest tube) No diagnosed psychiatric disorder Not receiving psychiatric medications and/or local neuromuscular blocking agents Exclusion Criteria: Patients who have not undergone open-heart surgery Unconscious, disoriented, or uncooperative patients Unable to read and understand Turkish Intubated patients Receiving additional analgesic medication other than routine analgesia Receiving local anesthesia at the chest tube insertion site Having four chest tubes (two mediastinal and two thoracic) Unwilling to participate in the study Having a diagnosed psychiatric disorder or mental health condition

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Conditions

The condition(s) this trial relates to.

anxiety disorder Dyspnea Pain

As listed by the trial registrant

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

Open-heart surgery

How to take part

Only the study team decides who joins. These are the ways to reach them.

  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

  • Turkey, Mersin University Hospital

    Yenişehir, Mersin, 33120, Turkey (Türkiye)

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