Simple breathing circuit trick may keep tubes in place during surgery
NCT ID NCT06182371
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looked at whether briefly disconnecting the breathing circuit when a patient is moved from lying on their back to their side during lung surgery reduces the chance of the breathing tube shifting out of place. Researchers randomly assigned 256 patients to either have the circuit disconnected or stay connected during the position change. The goal was to see if this simple step lowers tube misplacement rates and improves outcomes like lung collapse quality and recovery time.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- detachment of the breathing circuit (a procedural step during anesthesia)
- What this could lead to
- If successful, this simple technique could reduce breathing tube misplacement during surgery, potentially lowering complications and improving recovery.
- What could go wrong
- This is a completed trial with 256 participants, but the intervention is a minor procedural change. Even if effective, it only addresses one specific step in surgery and may not apply to all patients or settings.
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
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256 people
The number who actually took part.
- Started
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May 2025
- Finished
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Dec 2025
- Lead sponsor
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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
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18 to 65 years
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: * ASA I-II elective surgery for patients * Patients undergoing thoracic surgery requiring a left-sided double-lumen endobronchial tube; * Sign the informed consent form for this clinical study. Exclusion Criteria: * Mouth opening \<3cm; * History of previous difficult intubation; * Patients with diseases of the upper respiratory tract and main bronchi; * Cardiac insufficiency; * People with liver dysfunction; * Renal insufficiency; * Previous stroke; * Patients with severe obstructive ventilation dysfunction; * Bronchial asthma or airway hyperresponsiveness; * Patients who have participated in other clinical studies in the past 3 months.
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Shandong Provincial Hospital Affiliated to Shandong First Medical University
Jinan, S, 250021, China
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