We aimed to evaluate the consequences of the 2017 pediatric hypertension definitions, compared with the 2004 pediatric hypertension definitions on the prevalence of hypertension and to assess the performance of these 2 sets of guidelines in predicting adult hypertension, metabolic syndrome, and left ventricular hypertrophy (LVH). This longitudinal study consisted of 3940 children (47% male; ages 3–18 years) who came from the Bogalusa Heart Study with 36-year follow-up since childhood. Hypertension was identified in 7% and 11% as defined in the 2004 and 2017 guidelines, respectively. The 2004 and 2017 guidelines demonstrated similar associations with adulthood hypertension, metabolic syndrome, and LVH. However, the proportion of children identified as having hypertension who developed adult LVH increased from 12% when defined by the 2004 guidelines to 19% when defined by the 2017 guidelines. Overall, the 329 (8%) children who were reclassified to higher blood pressure categories by the 2017 guidelines were more likely than their propensity score–matched normotensive counterparts to develop hypertension, metabolic syndrome, and LVH in later life, whereas 38 (1%) children who were reclassified to lower blood pressure categories by the 2017 guidelines had similar cardiometabolic outcomes to their propensity score–matched normotensive counterparts. Hence, children who were reclassified to higher blood pressure categories based on 2017 guidelines were at increased risk of developing hypertension, metabolic syndrome, and LVH in later life. The 2017 guidelines identified a group of children with adverse metabolic profile and cardiometabolic outcomes, whose cardiovascular risk seemed to be underestimated using the 2004 guidelines.
Childhood and young adulthood may represent time periods in which cardiovascular risk factors (CVRFs) and their cumulative exposure lay the foundation for future risk of chronic diseases. We examined the longitudinal burden of CVRFs since childhood in men and women in whom diabetes did and did not develop at follow-up. RESEARCH DESIGN AND METHODS We included 1,530 participants (mean [SD] follow-up time 33.1 [8.2] years), who participated in the Bogalusa Heart Study and had been examined at least four times starting in childhood (mean age [SD] at first examination 9.4 [3.1] years). The area under the growth curve was used as a measure of cumulative exposure to CVRFs since childhood. RESULTS In childhood, boys and girls in whom diabetes did and did not develop at follow-up had similar CVRFs. Yet, over time, women during the transition from normoglycemia to diabetes experienced greater adverse changes in total cholesterol (TC), LDL cholesterol, and fasting plasma glucose (FPG) (noted as early as 23.5 years old and persisting across adulthood up to the age of the diagnosis of diabetes); a higher burden of exposure to BMI, TC, LDL cholesterol, and FPG from childhood to midlife; and a greater change in rates of BMI, TC, LDL cholesterol, and FPG since childhood than men during the same transition (interaction P values <0.05). CONCLUSIONS The greater exposure of women to and burden of CVRFs associated with diagnosis of diabetes may help to explain the stronger impact of diabetes as a major risk factor for cardiovascular events in women compared with men. The burden of cardiovascular disease (CVD) related to diabetes is a major public health challenge (1). There is a well-recognized CVD risk disparity by sex among individuals with diabetes (2-5). Women with diabetes are at markedly increased risk of CVD events compared with women without diabetes, whereas men with diabetes
Background Data are limited regarding the relationship between the life‐course burden of risk factors and adult cardiac function. This study sought to examine the impact of long‐term burden of body mass index (BMI) and blood pressure (BP) levels on changes in adult left ventricular (LV) structure and function in a community‐based cohort. Methods and Results The longitudinal study cohort consisted of 1108 adult patients (726 White; 41.9% men; mean age, 48.2 years in the last survey) who had been examined 4 to 16 times for BMI and BP and echocardiographic LV structure and function in adulthood, with a mean follow‐up period of 38.8 years. The area under the curve was used as a measure of long‐term burden of BMI and BP. Adult LV mass index was significantly associated with childhood and adulthood BMI and systolic BP (SBP), and their area under the curve values (β=0.07–0.37; P <0.05 for all). Adult LV ejection fraction was negatively associated with childhood BMI (β=−0.08), adult BMI (β=−0.07) and BMI area under the curve (β=−0.07) ( P <0.05 for all); the effects of SBP measures were not significant. Adult E/A ratio was negatively associated with adulthood SBP (β=−0.13; P <0.01) and total area under the curve of SBP (β=−0.13; P <0.01). E/e′ ratio was positively associated with BMI and SBP measures. The effects of diastolic BP measures were substantially similar to those of SBP measures. Participants with LV hypertrophy, eccentric hypertrophy, and concentric hypertrophy had significantly lower LV ejection fraction and higher E/e′ ratio. Conclusions These observations provide strong evidence that early‐life adiposity and BP levels and their life‐course cumulative burdens are associated with subclinical changes in adult LV structure and function in the general population.
Although emerging evidence indicates that increased variability in cardiovascular risk factors (CVRFs) among populations at midlife or later is a reliable predictor of adverse health outcomes, it is unknown whether intraindividual CVRF variability during childhood or adolescence is an independent predictor of later-life diabetes. We aimed to examine the association of CVRF variability during childhood with diabetes in later life. RESEARCH DESIGN AND METHODSWe included 1,718 participants who participated in the Bogalusa Heart Study and had measures at least four times during childhood (aged 4-19 years). The mean follow-up period was 20.5 years. Intraindividual CVRF variabilities during childhood were calculated using SD, coefficient of variation, deviation from age-predicted values, and residual SD based upon four to eight serial measurements in childhood. RESULTSIncreased variability in BMI or HDL cholesterol (HDL-C) during childhood, irrespective of the indices used, was significantly positively associated with later-life diabetes risk independent of their respective mean levels in childhood and other possible confounding factors. In combined analysis, the magnitude of the association with diabetes risk was similar for high childhood BMI variability and high childhood HDL-C variability. After adjustments for potential confounding variables, other CVRF variabilities including systolic/diastolic blood pressure, total cholesterol, triglycerides, and LDL cholesterol were not significantly associated with diabetes. CONCLUSIONSIncreased BMI and HDL-C variabilities during childhood were significant risk factors for the development of diabetes independently of diverse risk factors, which may offer new insights into the childhood origin of adult-onset diabetes.Measures of cardiovascular risk factors (CVRFs), including BMI, blood pressure (BP), and atherogenic lipids, are typically used to assess an individual's risk for cardiovascular events and diagnosis of obesity, hypertension, and dyslipidemia and subsequently guide the need for antihypertensive or lipid-lowering drugs (1-3). However, these CVRFs can fluctuate due to genetic, clinical, physiological, behavioral, and environmental factors (4-8). Loss of physiological homeostasis, for example,
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