Diaphragm Ultrasound in Normal and Diseased Subjects

Overview

About this study

The purpose of this study is to compare diaphragm excursion (measured with B mode ultrasound) in a small group of healthy subjects with the published values in the curernt literature and to evaluate the sensitivity and specificity of M mode ultrasound, in isolation, and when combined with B mode ultrasound of the diaphragm, in diagnosing neuromuscular disease of the diaphragm.

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.

Incluison Criteria:

Healthy males and females of any age
Patients referred to the EMG lab with shortness of breath or for phrenic nerve conduction studies, diaphragm needle EMG or diaphragm ultrasound.

Exclusion Criteria:

For healthy subjects:
- history of dyspnea at rest or on exertion
- history of pulmonary disease
- history of neuromuscular disease
- history of regular smoking

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
Rochester, Minn. Mayo Clinic principal investigator Andrea Boon, M.D.	Closed for enrollment

Mayo Clinic Location

Status

Rochester, Minn.

Mayo Clinic principal investigator

Andrea Boon, M.D.

Closed for enrollment

More information

Publications

Publications are currently not available

Clinical Trials