Decreased Vagal Activity and Deviation in Sympathetic Activity Precedes Development of Diabetes
- Authors
- Lee, Da Young; Lee, Mi Yeon; Cho, Jung Hwan; Kwon, Hyemi; Rhee, Eun-Jung; Park, Cheol-Young; Oh, Ki-Won; Lee, Won-Young; Park, Sung-Woo; Ryu, Seungho; Park, Se Eun
- Issue Date
- 6월-2020
- Publisher
- AMER DIABETES ASSOC
- Citation
- DIABETES CARE, v.43, no.6, pp.1336 - 1343
- Indexed
- SCIE
SCOPUS
- Journal Title
- DIABETES CARE
- Volume
- 43
- Number
- 6
- Start Page
- 1336
- End Page
- 1343
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/55570
- DOI
- 10.2337/dc19-1384
- ISSN
- 0149-5992
- Abstract
- OBJECTIVE The objective of this study was to examine whether altered heart rate variability (HRV) could predict the risk of diabetes in Asians. RESEARCH DESIGN AND METHODS A cohort study was conducted in 54,075 adults without diabetes who underwent 3-min HRV measurement during health checkups between 2011 and 2014 at Kangbuk Samsung Hospital. We analyzed the time domain (SD of the normal-to-normal interval [SDNN] and root mean square differences of successive normal-to-normal intervals [RMSSD]) and the frequency domain (total power, normalized low-frequency power [LF], and normalized high-frequency power [HF] and LF/HF ratio). We compared the risk of diabetes until 2017 according to tertiles of heart rate and HRV variables, with tertile 1 serving as the reference group. RESULTS During 243,758.2 person-years, 1,369 subjects were diagnosed with diabetes. Both time and frequency domain variables were lower in the group with diabetes, with the exception of those with normalized LF and LF/HF ratio. In Cox analysis, as SDNN, RMSSD, and normalized HF tertiles increased, the risk of diabetes decreased (hazard ratios [95% CIs] of tertile 3: 0.81 [0.70-0.95], 0.76 [0.65-0.90], and 0.78 [0.67-0.91], respectively), whereas the risk of diabetes increased in the case of heart rate, normalized LF, and LF/HF ratio (hazard ratios [95% CIs] of tertile 3: 1.41 [1.21-1.65], 1.32 [1.13-1.53], and 1.31 [1.13-1.53), respectively) after adjusting for age, sex, BMI, smoking, drinking, systolic blood pressure, lipid level, CRP, and HOMA of insulin resistance. CONCLUSIONS Abnormal HRV, especially decreased vagal activity and deviation in sympathovagal imbalance to sympathetic activity, might precede incident diabetes.
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