Computed Tomography Evaluation of Forearm and Hand Muscles in Patients With Distal Radius Fracture |
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| Authors: | Ohsang Kwon Kee Jeong Bae Hyun Sik Gong Jihyeung Kim Goo Hyun Baek |
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| Affiliation: | 1. Department of Physical Education, Division of Education, Faculty of Arts and Sciences, University of Balamand, Kelhat El-Koura, Lebanon;2. EA 7369 - URePSSS - unité de recherche pluridisciplinaire sport santé société, Université Littoral Côte d''Opale, France;3. Laboratoire Mouvement, Equilibre, Performance, Santé (MEPS, EA-4445), Université de Pau et des Pays de l''Adour, Tarbes, France;1. Charlie Norwood Veterans Affairs Medical Center, Augusta, GA, USA;2. Department of Medicine, Division of Rheumatology, Medical College of Georgia at Augusta University, Augusta, GA, USA;3. Center of Innovation for Complex Chronic Healthcare, Edward J. Hines, Jr. VA Hospital, Hines, IL, USA;4. Feinberg School of Medicine, Northwestern University, Chicago, IL, USA;5. Department of Biostatistics, University of Illinois, Chicago, IL, USA;6. Department of Mathematics, Northeastern Illinois University, Chicago, IL, USA;7. Public Health Sciences, Stritch School of Medicine, Loyola University, Maywood, IL, USA;8. Department of Medicine, Division of Rheumatology, J. Harold Harrison, MD, Distinguished University Chair in Rheumatology, Medical College of Georgia at Augusta University, Augusta, GA, USA;1. Department of Physical Education, Division of Education, Faculty of Arts and Sciences, University of Balamand, El-Koura, Lebanon;2. Movement, Sport, and Health Sciences Laboratory (M2S), UFR-STAPS, University of Rennes 2, Rennes, France;3. University of Lille, EA 7369 - URePSSS - Unité de Recherche Pluridisciplinaire Sport Santé Société, Ronchin, France;4. Unité de Recherche Pluridisciplinaire Sport, Santé, Société (URePSSS-EA 7369), University of the Littoral Opal Coast, Dunkerque, France;5. Bellevue University Medical Center, Faculty of Medicine, Saint Joseph University, Beirut, Lebanon;6. Department of Psychology, Education and Physical Education, Faculty of Humanities, Notre Dame University, Louaize, Lebanon;7. Laboratoire Impact de l''Activité Physique sur la Santé (IAPS), Université de Toulon, Toulon, France |
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| Abstract: | Introduction: Computed tomography (CT) can be used to assess bone status with measurement of Hounsfield unit (HU). The objective of this study was to evaluate whether HU of muscle might be associated with parameters of bone and muscle status. Methods: We reviewed 71 women aged over 50 yr of age who had distal radius fracture and underwent CT evaluation of affected wrist. We assessed HUs of forearm flexor muscles (flexor digitorum superficialis) and thenar muscles and bone HUs at the capitate and the ulnar head. Other parameters included femur neck and lumbar bone mineral density (BMD), upper extremity lean mass, hand grip strength, and muscle fiber cross-sectional area. We performed correlation analyses to determine associations between variables. Results: Thenar and forearm muscle HUs were significantly correlated with each other, but not with other parameters. HUs of the capitate and ulnar head were positively correlated with femur neck and lumbar BMDs and inversely correlated with age. Ulnar head HU was positively correlated hand grip strength. Conclusions: HUs of forearm and thenar muscles did not show significant correlations with bone or muscle parameters, although bone HUs correlated well with bone mineral densities. These results support the opportunistic use of CT for evaluating bone fragility. Clinical usefulness of muscle HU measurement needs further studies. |
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