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Media type:
E-Article
Title:
Quantitative muscle ultrasound and quadriceps strength in patients with post‐polio syndrome
Contributor:
Bickerstaffe, Alice;
Beelen, Anita;
Zwarts, Machiel J.;
Nollet, Frans;
van Dijk, Johannes P.
Published:
Wiley, 2015
Published in:
Muscle & Nerve, 51 (2015) 1, Seite 24-29
Language:
English
DOI:
10.1002/mus.24272
ISSN:
0148-639X;
1097-4598
Origination:
Footnote:
Description:
ABSTRACTIntroduction: We investigated whether muscle ultrasound can distinguish muscles affected by post‐polio syndrome (PPS) from healthy muscles and whether severity of ultrasound abnormalities is associated with muscle strength. Methods: Echo intensity, muscle thickness, and isometric strength of the quadriceps muscles were measured in 48 patients with PPS and 12 healthy controls. Results: Patients with PPS had significantly higher echo intensity and lower muscle thickness than healthy controls. In patients, both echo intensity and muscle thickness were associated independently with muscle strength. A combined measure of echo intensity and muscle thickness was more strongly related to muscle strength than either parameter alone. Conclusions: Quantitative ultrasound distinguishes healthy muscles from those affected by PPS, and measures of muscle quality and quantity are associated with muscle strength. Hence, ultrasound could be a useful tool for assessing disease severity and monitoring changes resulting from disease progression or clinical intervention in patients with PPS. Muscle Nerve 51: 24–29, 2015