Inverse Relationship between Sleep Duration and Cardio-Ankle Vascular Index in Children
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- Morita Noriteru
- Department of Sport Cultural Studies, Hokkaido University of Education
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- Kambayashi Isao
- Hokkaido University of Education
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- Okuda Tomoyasu
- Department of Sport Cultural Studies, Hokkaido University of Education
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- Oda Shiro
- Department of Sport Education, Hokusho University
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- Takada Shingo
- Department of Cardiovascular Medicine, Hokkaido University Graduate School of Medicine
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- Nakajima Toshihiro
- Hokkaido University of Science
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- Shide Noriyuki
- Department of Sport Cultural Studies, Hokkaido University of Education
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- Shinkaiya Hisashi
- Department of Sport Cultural Studies, Hokkaido University of Education
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- Okita Koichi
- Department of Sport Education, Hokusho University
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<p>Aim: Poor sleep has been shown to be associated with the development of cardiovascular risk factors, such as obesity, in both adults and children. This study aimed to investigate the relationship between sleep duration and arterial stiffness indices in Japanese children and early adolescents.</p><p>Methods: The data on 102 students (56 males, 46 females; mean age, 11.9±1.8 years) were analyzed. As non-invasive arterial stiffness parameters, the cardio-ankle vascular index (CAVI) and heart-ankle pulse wave velocity (haPWV) were evaluated. Their students' sleep habits (bedtime and wake times on a usual weekday) were investigated using questionnaires, and based on these, their sleep durations were calculated.</p><p>Results: The CAVI values in the males and females were 4.8±0.9 and 4.7±0.9 (arbitrary unit), respectively. haPWV values in the males and females were 5.5±0.6 and 5.4±0.6 m/s, respectively. Sleep duration in the males, but not in the females, was negatively correlated with CAVI (r=－0.356) and haPWV (r=－0.356), suggesting that students with short sleep duration could have increased arterial stiffness. After adjusting for confounders, such as age, sex, systolic blood pressure, heart rate, adiposity, and physical fitness, the correlation of sleep duration with CAVI, but not with haPWV, was still significant (partial r=－0.253, p＜0.05).</p><p>Conclusion: Our findings suggest that shorter sleep duration influences arterial stiffening even in childhood.</p>
収録刊行物
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- Ｊｏｕｒｎａｌ ｏｆ Ａｔｈｅｒｏｓｃｌｅｒｏｓｉｓ ａｎｄ Ｔｈｒｏｍｂｏｓｉｓ
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Ｊｏｕｒｎａｌ ｏｆ Ａｔｈｅｒｏｓｃｌｅｒｏｓｉｓ ａｎｄ Ｔｈｒｏｍｂｏｓｉｓ 24 (8), 819-826, 2017
一般社団法人 日本動脈硬化学会