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Ultrasound may help predict breathing problems after surgery in seniors

NCT ID NCT05674812

Knowledge-focused Sponsor: Lili Jia 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This study looked at whether lung ultrasound can predict if elderly patients (65+) will need breathing support again after their breathing tube is removed following surgery. Researchers followed 130 patients and checked ultrasound scores, diaphragm movement, and oxygen levels. The goal is to find better ways to decide when it's safe to remove the tube.

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 help doctors better predict which elderly patients will need breathing support after surgery, reducing complications.
What could go wrong
This is an observational study, not a treatment trial. It only looks for associations, so it cannot prove that using ultrasound improves outcomes.

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

130 people

The number who actually took part.

Started

Dec 2022

Finished

Aug 2024

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

Elderly patients with mechanical ventilation after general anesthesia

Ages

65 to 99 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.

The inclusion criteria for patients were as follows: aged ≥65 years, underwent general anesthesia for surgery, and were mechanically ventilated for more than 3 hours. The exclusion criteria for patients were as follows: tracheostomy; inability to perform ultrasound of the diaphragm and parasternal intercostal muscle (morbid obesity, thoracic dressings); central respiratory failure; severe muscle weakness; absence of voluntary diaphragmatic activity; and combined end-stage cardiopulmonary disease; and inability to provide informed consent.

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Conditions

The condition(s) this trial relates to.

Postoperative Complications respiratory failure

As listed by the trial registrant

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

Postoperative complications Respiratory insufficiency Ventilator weaning

Contacts and locations

Locations

  • TianJin First Central Hospital

    Tianjin, Tianjin Municipality, 300192, China

More trials for these conditions

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