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NCT04959526 Clinical Trial

Shear-wave Elastography Compared to Respiratory Function Testing

Respiratory Complication Clinical Trial

Official title:
Comparison of Shear-wave Elastography to State-of-the-art Respiratory Function Testing to Measure the Range of Forces Generated by the Diaphragm Muscle

Clinical Trial Details — Status: Recruiting

Administrative data
NCT number NCT04959526
Other study ID # 21-003003
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date July 28, 2021
Est. completion date June 2024

Study information
Verified date December 2023
Source Mayo Clinic
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial 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.

Recruitment information / eligibility
Status Recruiting
Enrollment 24
Est. completion date June 2024
Est. primary completion date June 2024
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Adult male and female healthy volunteers. Exclusion Criteria: - Volunteers who are pregnant. - Volunteers with known pulmonary pathology (COPD, asthma requiring routine treatment).

Study Design

Related Conditions & MeSH terms

Intervention

Diagnostic Test:
• Shear-wave elastography
Ultrasound based imaging of diaphragm muscle activity

Locations
Country Name City State
United States Mayo Clinic in Rochester Rochester Minnesota

Sponsors (1)
Lead Sponsor Collaborator
Mayo Clinic

Country where clinical trial is conducted

United States, 

Outcome
Type Measure Description Time frame Safety issue
Primary Shear wave speed Elastography of the diaphragm muscle across various behaviors and conditions 3 hours
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