ID 110801
著者
ワタナベ, トモノリ Department of Digestive and Cardiovascular Medicine, Institute of Health Biosciences, The University of Tokushima Graduate School
野村, 昌弘 Faculty of Integrated Art and Sciences, Department of Human and Social Sciences, The University of Tokushima
中安, 紀美子 Faculty of Integrated Art and Sciences, Department of Human and Social Sciences, The University of Tokushima
河野, 智仁 Department of Digestive and Cardiovascular Medicine, Institute of Health Biosciences, The University of Tokushima Graduate School
伊東, 進 Department of Digestive and Cardiovascular Medicine, Institute of Health Biosciences, The University of Tokushima Graduate School 徳島大学 教育研究者総覧
中屋, 豊 Department of Nutrition and Metabolism, Institute of Health Biosciences, The University of Tokushima Graduate School 徳島大学 教育研究者総覧 KAKEN研究者をさがす
キーワード
thermic effect of food (TEF)
insulin resistance
autonomic nervous activity
heart rate variability
資料タイプ
学術雑誌論文
抄録
Background: The thermic effect of food (TEF) is higher in lean than in obese human subjects. Objective: Relationships between TEF and insulin resistance during meals, from the point of view of autonomic nervous activity, were evaluated. Methods : Autonomic nervous activity was evaluated in 20 young adults using the spectral analysis of heart rate variability from one hour before to two hours after a meal. Heart rate data were analyzed based on low frequency components (LF power, 0.04 - 0.15Hz),high frequency components (HF power, 0.15-0.40 Hz), and LF/HF ratios. Energy expenditure and the TEF were measured 30 min after a meal. Homeostasis model of insulin resistance index (HOMA-IR) was also measured. Results : The LF/HF ratio was significantly increased 30minafter a meal (p<0.05).No correlation between LF power and HF power with TEF was found, but the LF/HF ratio was significantly and positively correlated with TEF(r=+0.56,p<0.05). Moreover, a significant negative correlation was found between the HOMA-IR and TEF (r=-0.601, p<0.05). Conclusions : The findings suggest that a reduction in insulin sensitivity induces a poor response of sympathetic nervous activity in the postprandial phase and a reduction in postprandial energy expenditure.
掲載誌名
The journal of medical investigation : JMI
ISSN
13431420
cat書誌ID
AA11166929
53
1-2
開始ページ
153
終了ページ
158
並び順
153
発行日
2006-02
EDB ID
162944
出版社版DOI
出版社版URL
フルテキストファイル
言語
eng
著者版フラグ
出版社版
部局
医学系