Seeing your breath: 3D lung imaging may boost recovery from critical illness

NCT ID NCT07733843

Not yet recruiting Symptom relief Sponsor: Shanghai Zhongshan Hospital Source: ClinicalTrials.gov ↗

First seen Jul 29, 2026 · Last updated Jul 30, 2026 · Updated 1 time

Summary

This trial tests whether showing patients a real-time 3D image of their own lung ventilation can make breathing exercises more effective. Adults recovering from critical illness will use an Acapella device to perform breathing exercises, with one group also viewing their lung images to guide deeper, more even breaths. The study measures changes in lung volume and ventilation distribution to see if visual feedback leads to better outcomes than standard instruction alone.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: Acapella oscillating positive expiratory pressure device and real-time 3D electrical impedance tomography visual biofeedback
What this could lead to: If it works, this approach could offer a simple, noninvasive way to improve lung recovery in patients after critical illness.
What could go wrong: This is a small, early-stage trial with only 30 participants, so results may not apply broadly. The benefit of visual feedback over standard instruction remains unproven.

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As listed by the trial registrant

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

CRITICAL ILLNESS RECOVERY PULMONARY REHABILITATION

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