A Study to Compare Two Ultrasound-based Methods for Assessing Diaphragm Muscle Function


About this study

The purpose of this study is to assess and compare the utility of ultrasonographic shear wave elastography (SWE) method as compared to “ABCDE” thickening ratio and fraction method in assessing diaphragm function.

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Inclusion Criteria:

  • Adult volunteers (18 years of age and older).

Exclusion Criteria: 

  • Patient is unable to provide informed consent.
  • Patient has pre-existing respiratory condition.


Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status Contact

Rochester, Minn.

Mayo Clinic principal investigator

Carlos Mantilla, M.D., Ph.D.

Open for enrollment

Contact information:

Carlos Mantilla M.D., Ph.D.



More information


Publications are currently not available

Study Results Summary

Not yet available

Supplemental Study Information

Not yet available


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