Ultrasound could replace breathing tests for diaphragm strength

NCT ID NCT04959526

Recruiting now Diagnosis Sponsor: Mayo Clinic Source: ClinicalTrials.gov ↗

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study compares a new ultrasound technique (shear-wave elastography) to standard breathing tests for measuring diaphragm muscle forces. Researchers will test 24 healthy adults during various breathing maneuvers and nerve stimulation. The goal is to see if the ultrasound method can reliably measure diaphragm strength, potentially offering a simpler, non-invasive alternative for future clinical use.

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 lead to a simpler, non-invasive way to assess diaphragm function using ultrasound.
What could go wrong: This is a small, early study in healthy volunteers only. It may not translate to patients with lung disease, and the ultrasound method may not match current testing accuracy.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for RESPIRATORY COMPLICATION are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

As listed by the trial registrant

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

RESPIRATORY COMPLICATION RESPIRATORY FUNCTION LOSS

Contacts and locations

Locations

Mayo Clinic in Rochester
RECRUITING

Rochester, Minnesota, 55905, United States

More trials for these conditions

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