Soonil Kwon1, So-Ryoung Lee1, Eue-Keun Choi2, Seung-Hwan Lee3, Kyung-Do Han4, Seo-Young Lee1, Seokhun Yang1, Jiesuck Park1, You-Jung Choi1, Hyun-Jung Lee1, Inki Moon1, Euijae Lee1, Myung-Jin Cha1, Woo-Hyun Lim5, Seil Oh1. 1. Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea. 2. Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea. Electronic address: choiek17@snu.ac.kr. 3. Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea. 4. Department of Medical Statistics, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea. 5. Department of Internal Medicine, Seoul Metropolitan Government-Seoul National University Boramae Medical Center, Seoul, Republic of Korea.
Abstract
BACKGROUND: This study examined the effects of variability of four metabolic parameters, namely systolic blood pressure (BP), body mass index (BMI), fasting blood glucose (FBG), and total cholesterol level (TC) on the risk of HF. The effects of metabolic parameter variability on the risk of heart failure (HF) remain unclear. METHODS: We studied individuals aged ≥40 years who had undergone ≥3 health check-ups under the Korean National Health Insurance Corporation during 2009 and 2012, and those who did not have hypertension, diabetes, or dyslipidemia. BP, BMI, FBG, and TC were measured at every visit. We defined the variability of each parameter using the variability independent of the mean (VIM) method. VIMs were categorized into four groups according to quartiles. The metabolic variability (MV) score for each subject was defined as the number of VIMs in the highest quartile. RESULTS: Among the 3,820,191 subjects, 17,253 (0.45%) had incident HF during a mean 5.3 ± 1.1 years of follow-up. High variability of each parameter was associated with increased HF risk, which increased according to the MV score. After multivariable adjustment, compared to subjects with MV score = 0, subjects with MV score = 1-4 had an increased risk of HF (adjusted HR [95% CI], 1.15 [1.10-1.19] for MV score = 1, 1.33 [1.28-1.39] for MV score = 2, 1.48 [1.40-1.57] for MV score = 3, 1.74 [1.55-1.96] for MV score = 4 [p-for-trend ≪0.0001]). CONCLUSIONS: High variability of BP, BMI, FBG, and TC was synergistically associated with a higher incidence of new-onset HF.
BACKGROUND: This study examined the effects of variability of four metabolic parameters, namely systolic blood pressure (BP), body mass index (BMI), fasting blood glucose (FBG), and total cholesterol level (TC) on the risk of HF. The effects of metabolic parameter variability on the risk of heart failure (HF) remain unclear. METHODS: We studied individuals aged ≥40 years who had undergone ≥3 health check-ups under the Korean National Health Insurance Corporation during 2009 and 2012, and those who did not have hypertension, diabetes, or dyslipidemia. BP, BMI, FBG, and TC were measured at every visit. We defined the variability of each parameter using the variability independent of the mean (VIM) method. VIMs were categorized into four groups according to quartiles. The metabolic variability (MV) score for each subject was defined as the number of VIMs in the highest quartile. RESULTS: Among the 3,820,191 subjects, 17,253 (0.45%) had incident HF during a mean 5.3 ± 1.1 years of follow-up. High variability of each parameter was associated with increased HF risk, which increased according to the MV score. After multivariable adjustment, compared to subjects with MV score = 0, subjects with MV score = 1-4 had an increased risk of HF (adjusted HR [95% CI], 1.15 [1.10-1.19] for MV score = 1, 1.33 [1.28-1.39] for MV score = 2, 1.48 [1.40-1.57] for MV score = 3, 1.74 [1.55-1.96] for MV score = 4 [p-for-trend ≪0.0001]). CONCLUSIONS: High variability of BP, BMI, FBG, and TC was synergistically associated with a higher incidence of new-onset HF.
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