Shear-wave Elastography Compared to Respiratory Function Testing
Comparison of Shear-wave Elastography to State-of-the-art Respiratory Function Testing to Measure the Range of Forces Generated by the Diaphragm Muscle
Mayo Clinic
24 participants
Jul 28, 2021
INTERVENTIONAL
Conditions
Summary
The purpose of this study is to evaluate the relationship between transdiaphragmatic pressure (Pdi) and diaphragm shear-wave elastography (SWE) during state-of-the-art respiratory muscle testing including volitional efforts (e.g., maximal inspiratory pressure, maximal expiratory pressure, Valsalva maneuver), as well as maximal phrenic nerve stimulation.
Eligibility
Inclusion Criteria1
- \- Adult male and female healthy volunteers.
Exclusion Criteria2
- Volunteers who are pregnant.
- Volunteers with known pulmonary pathology (COPD, asthma requiring routine treatment).
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Interventions
Ultrasound based imaging of diaphragm muscle activity
Locations(1)
View Full Details on ClinicalTrials.gov
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NCT04959526