Ultrafast ultrasound to assess diaphragm function

Ultrafast Ultrasound for the Functional Assessment of the Diaphragm: Agreement With Standards Mechanical and Electrophysiological Variables and Diagnosis Performance

Not applicable Interventional Institut de Myologie, France · NCT05265351

This study is testing a new ultrasound method to see if it can help doctors understand how well the diaphragm is working in patients with diaphragm problems.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment50 (estimated)
Ages18 Years and up
SexAll
SponsorInstitut de Myologie, France Academic / other
Locations1 site (Paris)
Trial IDNCT05265351 on ClinicalTrials.gov

What this trial studies

This study investigates the use of ultrafast ultrasound imaging to evaluate diaphragm function in patients with diaphragm dysfunction. It aims to establish relationships between ultrasound-derived indices and diaphragm electromyography (EMG) as well as transdiaphragmatic pressure measurements. The study will also explore the diagnostic capabilities of ultrafast ultrasound in identifying the causes of diaphragm dysfunction, such as contractility alterations or phrenic nerve conduction defects. By utilizing high frame rate imaging, the research seeks to provide a non-invasive method for assessing diaphragm health.

Who should consider this trial

Good fit: Ideal candidates include adults over 18 years old with confirmed or suspected diaphragm dysfunction.

Not a fit: Patients with known allergies to latex or Lidocaine, those with pacemakers, or pregnant or nursing women may not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could lead to improved diagnosis and management of diaphragm dysfunction, enhancing patient outcomes.

How similar studies have performed: While the use of ultrafast ultrasound for diaphragm assessment is a novel approach, preliminary findings suggest potential reliability in healthy subjects, warranting further investigation in patients.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* \> 18 years old
* Patients with confirmed diaphragm dysfunction or suspicion
* Written informed consent
* Able to comply with all protocol requirements
* Affiliate or beneficiary of a social security scheme

Exclusion Criteria:

* Known allergy to latex
* Known allergy to Lidocaine or similar product
* Pacemaker
* Guardianship/trusteeship
* Pregnant or nursing women

Where this trial is running

Paris

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Diaphragm DysfunctionDiaphragmUltrafast ultrasound imagingElectrophysiologyCervical magnetic stimulationElectromyography
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.