Reference values for 50-kHZ electrical impedance myography
نویسندگان
چکیده
منابع مشابه
Test-retest reproducibility of 50 kHz linear-electrical impedance myography.
OBJECTIVE Electrical impedance myography (EIM) is a method for evaluating muscle in which high-frequency, low-intensity alternating current is applied to a body region and the resulting surface voltage pattern over a muscle of interest is measured. In this study, the reproducibility for the simplest of these techniques, 50 kHz linear-EIM, was assessed for three muscles. METHODS Fifty kilohert...
متن کاملElectrical impedance myography: Background, current state, and future directions.
Electrical impedance myography (EIM) is a non-invasive technique for the evaluation of neuromuscular disease that relies upon the application and measurement of high-frequency, low-intensity electrical current. EIM assesses disease-induced changes to the normal composition and architecture of muscle, including myocyte atrophy and loss, edema, reinnervation, and deposition of endomysial connecti...
متن کاملElectrical impedance myography: transitioning from human to animal studies.
OBJECTIVE To determine the feasibility of performing electrical impedance myography (EIM) in rats. METHODS EIM was performed on the hamstring muscles of 6 healthy adult rats with applied frequencies of 2-300 kHz. Studies were performed over a 6-week period, with 3 rats having recordings made from the skin (surface EIM) and 3 with recordings directly from the muscle (direct-muscle EIM). In add...
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Loss of muscle mass and strength represents one of the most significant contributors to impaired function in older adults. Convenient and non-invasive biomarkers are needed that can readily identify and track age-related muscle change. Previous data has suggested electrical impedance myography (EIM) has the potential to serve in this capacity. In this study we investigated how changes in EIM co...
متن کاملElectrical impedance myography in spinal muscular atrophy: a longitudinal study.
INTRODUCTION New approaches for assessing disease progression in spinal muscular atrophy (SMA) are needed. In this study, we evaluate whether electrical impedance myography (EIM) can detect disease progression in SMA compared with a group of healthy children of similar age. METHODS Twenty-eight children with SMA and 20 normal children underwent repeated EIM testing in four muscles at regular ...
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ژورنال
عنوان ژورنال: Muscle & Nerve
سال: 2008
ISSN: 0148-639X,1097-4598
DOI: 10.1002/mus.21075