The Comparative Associations of Ultrasound and Computed Tomography Estimates of Muscle Quality with Physical Performance and Metabolic Parameters in Older Men

Estimates of muscle tissue composition may have greater prognostic value than lean body mass levels regarding health-related outcomes. Ultrasound provides a relatively low cost, safe, and accessible mode of imaging to assess muscle morphology. The purpose of this study was to determine the construct...

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Published inJournal of clinical medicine Vol. 7; no. 10; p. 340
Main Authors Harris-Love, Michael O., Avila, Nilo A., Adams, Bernadette, Zhou, June, Seamon, Bryant, Ismail, Catheeja, Zaidi, Syed H., Kassner, Courtney A., Liu, Frank, Blackman, Marc R.
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LanguageEnglish
Published Switzerland MDPI 10.10.2018
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Abstract Estimates of muscle tissue composition may have greater prognostic value than lean body mass levels regarding health-related outcomes. Ultrasound provides a relatively low cost, safe, and accessible mode of imaging to assess muscle morphology. The purpose of this study was to determine the construct validity of muscle echogenicity as a surrogate measure of muscle quality in a sample of older, predominantly African American (AA) participants. We examined the association of rectus femoris echogenicity with mid-thigh computed tomography (CT) scan estimates of intra- and intermuscular adipose tissue (IMAT), basic metabolic parameters via blood sample analysis, muscle strength, and mobility status. This observational study was conducted at a federal medical center and included 30 community-dwelling men (age, 62.5 ± 9.2; AA, n = 24; Caucasian, n = 6). IMAT estimates were significantly associated with echogenicity (r = 0.73, p < 0.001). Echogenicity and IMAT exhibited similar associations with the two-hour postprandial glucose values and high-density lipoproteins values (p < 0.04), as well as grip and isokinetic (180°/s) knee extension strength adjusted for body size (p < 0.03). The significant relationship between ultrasound and CT muscle composition estimates, and their comparative association with key health-related outcomes, suggests that echogenicity should be further considered as a surrogate measure of muscle quality.
AbstractList Estimates of muscle tissue composition may have greater prognostic value than lean body mass levels regarding health-related outcomes. Ultrasound provides a relatively low cost, safe, and accessible mode of imaging to assess muscle morphology. The purpose of this study was to determine the construct validity of muscle echogenicity as a surrogate measure of muscle quality in a sample of older, predominantly African American (AA) participants. We examined the association of rectus femoris echogenicity with mid-thigh computed tomography (CT) scan estimates of intra- and intermuscular adipose tissue (IMAT), basic metabolic parameters via blood sample analysis, muscle strength, and mobility status. This observational study was conducted at a federal medical center and included 30 community-dwelling men (age, 62.5 ± 9.2; AA, n = 24; Caucasian, n = 6). IMAT estimates were significantly associated with echogenicity (r = 0.73, p < 0.001). Echogenicity and IMAT exhibited similar associations with the two-hour postprandial glucose values and high-density lipoproteins values (p < 0.04), as well as grip and isokinetic (180°/s) knee extension strength adjusted for body size (p < 0.03). The significant relationship between ultrasound and CT muscle composition estimates, and their comparative association with key health-related outcomes, suggests that echogenicity should be further considered as a surrogate measure of muscle quality.Estimates of muscle tissue composition may have greater prognostic value than lean body mass levels regarding health-related outcomes. Ultrasound provides a relatively low cost, safe, and accessible mode of imaging to assess muscle morphology. The purpose of this study was to determine the construct validity of muscle echogenicity as a surrogate measure of muscle quality in a sample of older, predominantly African American (AA) participants. We examined the association of rectus femoris echogenicity with mid-thigh computed tomography (CT) scan estimates of intra- and intermuscular adipose tissue (IMAT), basic metabolic parameters via blood sample analysis, muscle strength, and mobility status. This observational study was conducted at a federal medical center and included 30 community-dwelling men (age, 62.5 ± 9.2; AA, n = 24; Caucasian, n = 6). IMAT estimates were significantly associated with echogenicity (r = 0.73, p < 0.001). Echogenicity and IMAT exhibited similar associations with the two-hour postprandial glucose values and high-density lipoproteins values (p < 0.04), as well as grip and isokinetic (180°/s) knee extension strength adjusted for body size (p < 0.03). The significant relationship between ultrasound and CT muscle composition estimates, and their comparative association with key health-related outcomes, suggests that echogenicity should be further considered as a surrogate measure of muscle quality.
Estimates of muscle tissue composition may have greater prognostic value than lean body mass levels regarding health-related outcomes. Ultrasound provides a relatively low cost, safe, and accessible mode of imaging to assess muscle morphology. The purpose of this study was to determine the construct validity of muscle echogenicity as a surrogate measure of muscle quality in a sample of older, predominantly African American (AA) participants. We examined the association of rectus femoris echogenicity with mid-thigh computed tomography (CT) scan estimates of intra- and intermuscular adipose tissue (IMAT), basic metabolic parameters via blood sample analysis, muscle strength, and mobility status. This observational study was conducted at a federal medical center and included 30 community-dwelling men (age, 62.5 ± 9.2; AA, = 24; Caucasian, = 6). IMAT estimates were significantly associated with echogenicity ( = 0.73, < 0.001). Echogenicity and IMAT exhibited similar associations with the two-hour postprandial glucose values and high-density lipoproteins values ( < 0.04), as well as grip and isokinetic (180°/s) knee extension strength adjusted for body size ( < 0.03). The significant relationship between ultrasound and CT muscle composition estimates, and their comparative association with key health-related outcomes, suggests that echogenicity should be further considered as a surrogate measure of muscle quality.
Estimates of muscle tissue composition may have greater prognostic value than lean body mass levels regarding health-related outcomes. Ultrasound provides a relatively low cost, safe, and accessible mode of imaging to assess muscle morphology. The purpose of this study was to determine the construct validity of muscle echogenicity as a surrogate measure of muscle quality in a sample of older, predominantly African American (AA) participants. We examined the association of rectus femoris echogenicity with mid-thigh computed tomography (CT) scan estimates of intra- and intermuscular adipose tissue (IMAT), basic metabolic parameters via blood sample analysis, muscle strength, and mobility status. This observational study was conducted at a federal medical center and included 30 community-dwelling men (age, 62.5 ± 9.2; AA, n = 24; Caucasian, n = 6). IMAT estimates were significantly associated with echogenicity (r = 0.73, p < 0.001). Echogenicity and IMAT exhibited similar associations with the two-hour postprandial glucose values and high-density lipoproteins values (p < 0.04), as well as grip and isokinetic (180°/s) knee extension strength adjusted for body size (p < 0.03). The significant relationship between ultrasound and CT muscle composition estimates, and their comparative association with key health-related outcomes, suggests that echogenicity should be further considered as a surrogate measure of muscle quality.
Estimates of muscle tissue composition may have greater prognostic value than lean body mass levels regarding health-related outcomes. Ultrasound provides a relatively low cost, safe, and accessible mode of imaging to assess muscle morphology. The purpose of this study was to determine the construct validity of muscle echogenicity as a surrogate measure of muscle quality in a sample of older, predominantly African American (AA) participants. We examined the association of rectus femoris echogenicity with mid-thigh computed tomography (CT) scan estimates of intra- and intermuscular adipose tissue (IMAT), basic metabolic parameters via blood sample analysis, muscle strength, and mobility status. This observational study was conducted at a federal medical center and included 30 community-dwelling men (age, 62.5 ± 9.2; AA, n = 24; Caucasian, n = 6). IMAT estimates were significantly associated with echogenicity ( r = 0.73, p < 0.001). Echogenicity and IMAT exhibited similar associations with the two-hour postprandial glucose values and high-density lipoproteins values ( p < 0.04), as well as grip and isokinetic (180°/s) knee extension strength adjusted for body size ( p < 0.03). The significant relationship between ultrasound and CT muscle composition estimates, and their comparative association with key health-related outcomes, suggests that echogenicity should be further considered as a surrogate measure of muscle quality.
Author Avila, Nilo A.
Zaidi, Syed H.
Liu, Frank
Harris-Love, Michael O.
Blackman, Marc R.
Ismail, Catheeja
Kassner, Courtney A.
Adams, Bernadette
Seamon, Bryant
Zhou, June
AuthorAffiliation 2 Milken Institute School of Public Health, The George Washington University, Washington, DC 20052, USA
4 Radiology Service, Veterans Affairs Medical Center, Washington, DC 20422, USA; nilo.avila@nih.gov (N.A.A.); Syed.Zaidi2@va.gov (S.H.Z.); Courtney.Kassner@va.gov (C.A.K.)
5 Cardiovascular and Pulmonary Branch, National Heart, Lung, and Blood Institute, The National Institutes of Health, Bethesda, MD 20892, USA
9 Departments of Medicine and Rehabilitation Medicine, Georgetown University School of Medicine, Washington, DC 20007, USA
3 Research Service, Veterans Affairs Medical Center, Washington, DC 20422, USA; June.Zhou@va.gov (J.Z.); Marc.Blackman@va.gov (M.R.B.)
7 Department of Medicine, The George Washington University, Washington, DC 20052, USA
1 Muscle Morphology, Mechanics, and Performance Laboratory, Geriatrics Service, Veterans Affairs Medical Center, Washington, DC 20422, USA; blpadams@gmail.com (B.A.); seamon@musc.edu (B.S.); 34Cath@gmail.com (C.I.)
8 Nuclear Medicine Section, Vet
AuthorAffiliation_xml – name: 8 Nuclear Medicine Section, Veterans Affairs Medical Center, Washington, DC 20422, USA; Frank.Liu2@va.gov
– name: 1 Muscle Morphology, Mechanics, and Performance Laboratory, Geriatrics Service, Veterans Affairs Medical Center, Washington, DC 20422, USA; blpadams@gmail.com (B.A.); seamon@musc.edu (B.S.); 34Cath@gmail.com (C.I.)
– name: 4 Radiology Service, Veterans Affairs Medical Center, Washington, DC 20422, USA; nilo.avila@nih.gov (N.A.A.); Syed.Zaidi2@va.gov (S.H.Z.); Courtney.Kassner@va.gov (C.A.K.)
– name: 6 Department of Biochemistry & Molecular Medicine, The George Washington University, Washington, DC 20037, USA
– name: 3 Research Service, Veterans Affairs Medical Center, Washington, DC 20422, USA; June.Zhou@va.gov (J.Z.); Marc.Blackman@va.gov (M.R.B.)
– name: 9 Departments of Medicine and Rehabilitation Medicine, Georgetown University School of Medicine, Washington, DC 20007, USA
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Issue 10
Keywords computed tomography
muscle strength
quantitative ultrasound
muscle quality
echogenicity
aging
metabolic status
muscle tissue composition
myosteatosis
sarcopenia
Language English
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Snippet Estimates of muscle tissue composition may have greater prognostic value than lean body mass levels regarding health-related outcomes. Ultrasound provides a...
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StartPage 340
Title The Comparative Associations of Ultrasound and Computed Tomography Estimates of Muscle Quality with Physical Performance and Metabolic Parameters in Older Men
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