Noninvasive Assessment of Neuromuscular Disease Using Electrical Impedance Myography
| Status: | Completed |
|---|---|
| Conditions: | Neurology, ALS |
| Therapuetic Areas: | Neurology, Other |
| Healthy: | No |
| Age Range: | 21 - 85 |
| Updated: | 4/21/2016 |
| Start Date: | January 2013 |
| End Date: | March 2015 |
The purpose of this protocol is to test a new Electrical Impedance Myography (EIM) device
and study its reliability and ability to differentiate ALS patients from healthy controls.
and study its reliability and ability to differentiate ALS patients from healthy controls.
Investigators will study 10 ALS patients and at least 10 age-matched healthy controls
between the ages of 21 and 85 years old. For all subjects, EIM measurements will be
performed on four muscles: two in the upper and two in the lower extremities, using 8
different EIM sensors. Measurements will be repeated one time.
between the ages of 21 and 85 years old. For all subjects, EIM measurements will be
performed on four muscles: two in the upper and two in the lower extremities, using 8
different EIM sensors. Measurements will be repeated one time.
Inclusion Criteria:
- Diagnosis of probable or definite ALS by the El Escorial Criteria
Exclusion Criteria:
- History of superimposed generalized neuromuscular disease
- Primary lateral sclerosis or other atypical motor neuron disorders
- Forced vital capacity of less than 50%
- Presence of disease for greater than 5 years since symptom onset
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