The Mass of Geniohyoid Muscle Is Associated with Maximum Tongue Pressure and Tongue Area in Patients with Sarcopenic Dys
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THE MASS OF GENIOHYOID MUSCLE IS ASSOCIATED WITH MAXIMUM TONGUE PRESSURE AND TONGUE AREA IN PATIENTS WITH SARCOPENIC DYSPHAGIA T. MORI1, H. WAKABAYASHI2, N. OGAWA3, I. FUJISHIMA4, F. OSHIMA5, M. ITODA6, K. KUNIEDA4,7, T. SHIGEMATSU4,8, S. NISHIOKA9, H. TOHARA3, M. YAMADA10, S. OGAWA11 1. Department of Oral and Maxillofacial Surgery, Southern Tohoku General Hospital, Koriyama-shi, Fukushima, Japan; 2. Department of Rehabilitation Medicine, Tokyo Women’s Medical University, Shinjuku-ku, Tokyo, Japan; 3. Dysphagia Rehabilitation, Department of Gerontology and Gerodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Bunkyo-ku,Tokyo, Japan; 4. Department of Rehabilitation Medicine, Hamamatsu City Rehabilitation Hospital, Naka-ku Hamamatsu-shi, Shizuoka, Japan; 5. Department of Rehabilitation Medicine, Suwa Red Cross Hospital, Suwa-shi, Nagano, Japan; 6. Department of Oral Rehabilitation, Osaka Dental University Hospital, Chuo-ku, Osaka, Japan; 7. Department of Neurology, Gifu University Graduate School of Medicine, Gifu-shi, Gifu, Japan; 8. Department of Rehabilitation Medicine, Seirei Awaji Hospital, Awaji-shi, Hyogo, Japan; 9. Department of Clinical Nutrition and Food Services, Nagasaki Rehabilitation Hospital Nagasaki-shi, Nagasaki, Japan; 10. Graduate School of Comprehensive Human Sciences, University of Tsukuba, Bunkyo-ku, Tokyo, Japan; 11. Department of Geriatric Medicine, Graduate School of Medicine, University of Tokyo, Bunkyo-ku, Tokyo, Japan. Corresponding author: Hidetaka Wakabayashi, MD, PhD, Dpt. of Rehabilitation Medicine, Tokyo Women’s Medical University Hospital, Japan, 8-1, Kawada-cho, Shinjuku-ku, Tokyo, Japan. Code; 162-0054, Email: [email protected], Tel: +81-3-3353-8111, FAX: +81-3-5269-7639
Abstract: Objectives: We investigated the associations about the mass of geniohyoid and tongue muscle and the maximum tongue pressure in patients with sarcopenic dysphagia using ultrasonography. Design: Cross sectional study. Setting: 5 hospitals including 3 acute and 2 rehabilitation hospitals and 1 older facility. Participants: 36 inpatients with sarcopenic dysphagia. Measurements: Ultrasonography was performed for geniohyoid muscle and tongue. The area for geniohyoid and tongue muscles in sagittal plane and the mean brightness level (0-255) in the muscle area were calculated. Maximum tongue pressure as strength of swallowing muscle were investigated. Partial correlation coefficient and multiple regression analysis adjusting for age and sex were performed. Results: The mean age was 81.1 ± 7.9. Men were 23. The mean BMI was 19.0 ± 4.1. The mean maximum tongue pressure was 21.3 ± 9.3 kPa. The mean cross sectional area for geniohyoid muscles was 140 ± 47 mm 2. The mean brightness for geniohyoid muscle was 18.6 ± 9.0. The mean cross sectional area for tongue muscles was 1664.1 ± 386.0 mm2. The mean brightness for tongue muscles was 34.1 ± 10.6. There was a significant positive correlation between area of geniohyoid muscle and maximum tongue pressure (r = 0.38, p
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