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Open AccessArticle

The Quantitative Skeletal Muscle Ultrasonography in Elderly with Dynapenia but Not Sarcopenia Using Texture Analysis

by Kuen-Cheh Yang 1,2,3,†, Yin-Yin Liao 4,†, Ke-Vin Chang 2,5,6, Kuo-Chin Huang 1,2,7 and Der-Sheng Han 2,3,5,6,*
1
Department of Family Medicine, National Taiwan University Hospital, Bei-Hu Branch, Taipei 108, Taiwan
2
Community and Geriatric Medicine Research Center, National Taiwan University Hospital, Bei-Hu Branch, Taipei 108, Taiwan
3
Health Science and Wellness Center, National Taiwan University, Taipei 106, Taiwan
4
Department of Biomedical Engineering, Hungkuang University, Taichung 433, Taiwan
5
Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, Bei-Hu Branch, Taipei 108, Taiwan
6
Department of Physical Medicine and Rehabilitation, National Taiwan University College of Medicine, Taipei 100, Taiwan
7
Department of Family Medicine, National Taiwan University College of Medicine, Taipei 100, Taiwan
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Diagnostics 2020, 10(6), 400; https://doi.org/10.3390/diagnostics10060400
Received: 30 April 2020 / Revised: 24 May 2020 / Accepted: 9 June 2020 / Published: 12 June 2020
(1) Background: Dynapenia is defined as lower muscle strength alone. Only a few studies have investigated muscle quality in subjects with dynapenia. (2) Methods: The muscle quality, characterized by texture parameters of biceps brachii, triceps brachii, rectus femoris, and medial gastrocnemius muscles, were collected using ultrasonography. The risk of dynapenia was assessed by the multiple logistic regression model. (3) Results: There were a total of 36 participants (72.7 ± 5.8 yrs, 1:1 case-control matched). The values of texture parameters of autocorrelation (AUT) and sum variance (SVAR) in all four muscles were higher in the dynapenia group significantly (p < 0.05). AUT and SVAR had the significant associations for dynapenia in biceps (dds ratio[OR]:2.51, 95% CI = 1.25–5.07 for AUT; OR = 1.45, 95% CI:1.1–1.91 for SVAR), triceps (OR: 2.48, 95% CI = 1.60–5.3 for AUT; OR: 1.57, 95% CI = 1.08–2.28 for SVAR), and rectus femoris (OR: 1.58, 95% CI = 1.01–2.46 for AUT; OR: 1.2, 95% CI = 1.0–1.44 for SVAR). The areas under the receiver-operating curves of all texture parameters was between 0.84–0.94 after adjusting confounding factors. (4) Conclusions: The muscle quality in the dynapenia can be detected by the texture-feature quantitative ultrasound. Ultrasound measurement in the aging muscle might be promising, and further studies should validate its application in the context of dynapenia. View Full-Text
Keywords: aged; hand strength; muscle strength; sarcopenia; ultrasonography aged; hand strength; muscle strength; sarcopenia; ultrasonography
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Yang, K.-C.; Liao, Y.-Y.; Chang, K.-V.; Huang, K.-C.; Han, D.-S. The Quantitative Skeletal Muscle Ultrasonography in Elderly with Dynapenia but Not Sarcopenia Using Texture Analysis. Diagnostics 2020, 10, 400.

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