Quantitative ultrasound: measurement considerations for the assessment of muscular dystrophy and sarcopenia

[...]it is important to note that a more expansive view of an “all cause” designation for muscle impairment, i.e., myopenia or skeletal muscle function deficit, has been recognized as an approach to nosology that may serve to limit the confounding effect of incongruent definitions, and facilitate th...

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Bibliographic Details
Published in:Frontiers in aging neuroscience 2014-07, Vol.6, p.172-172
Main Authors: Harris-Love, Michael O, Monfaredi, Reza, Ismail, Catheeja, Blackman, Marc R, Cleary, Kevin
Format: Article
Language:English
Subjects:
Adipose tissue
Age
Atrophy
Body fat
Diagnostic Imaging
Electromyography
Estimates
Geriatric Assessment
Geriatrics
Morphology
Muscle contraction
Muscle, Skeletal
Muscular dystrophy
Muscular Dystrophy, Duchenne
Musculoskeletal system
Myopathy
Neuromuscular diseases
Neuroscience
NMR
Nuclear magnetic resonance
Sarcopenia
Ultrasonic imaging
Ultrasound
Validity
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Summary:[...]it is important to note that a more expansive view of an “all cause” designation for muscle impairment, i.e., myopenia or skeletal muscle function deficit, has been recognized as an approach to nosology that may serve to limit the confounding effect of incongruent definitions, and facilitate the discovery of linkages among apparently disparate forms of muscle dysfunction (Fearon et al., 2011; von Haehling et al., 2012; Correa-de-Araujo and Hadley, 2014). Furthermore, individuals with muscular dystrophy or sarcopenia may exhibit excessive intramuscular adipose tissue, intramyocellular triglyceride levels, and non-contractile infiltrates (Pillen et al., 2003; Miljkovic-Gacic et al., 2008; Jansen et al., 2012). [...]sonographic measures of echointensity for the purpose of tissue composition estimates, and digital caliper measures of tissue dimensions to assess muscle atrophy are both key elements of the ultrasound assessment of muscular dystrophy and sarcopenia (Pillen and van Alfen, 2011; Tieleman et al., 2012; Janssen et al., 2014). (2007) have shown that echointensity and muscle thickness values have diagnostic utility as supported by the demonstrated discriminative validity of quantitative ultrasound among children suspected of having a neuromuscular disorder. [...]in some instances, M-mode ultrasound may have advantages over electromyography for the assessment of muscle fasciculations, which is a clinical feature of some forms of muscular dystrophy and myopathy (Walker et al., 1990; Scheel et al., 1997; Pillen and van Alfen, 2011). [...]extending the findings of research reports on measurement reliability to typical clinical environments should be done with a degree of caution.
ISSN:1663-4365
1663-4365
DOI:10.3389/fnagi.2014.00172