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Logo of nihpaAbout Author manuscriptsSubmit a manuscriptHHS Public Access; Author Manuscript; Accepted for publication in peer reviewed journal;
Hypertension. Author manuscript; available in PMC 2010 September 1.
Published in final edited form as:
PMCID: PMC2747262

High Blood Pressure: A Lifetime Issue

Elevated blood pressure remains a major public health problem in the United States with increasing risks of stroke, heart disease, heart failure, and end-stage renal disease. While the prevalence of high blood pressure increases with age, hypertension control rates for treated hypertensives decline with age.1 The prevalence of hypertension among young adults is considerably lower than the rates of older adults while control rates among treated hypertensives are significantly higher among the younger individuals with high blood pressure.1 Thus the early identification and treatment of elevated blood pressure are critical components of population high blood pressure control. Likewise, hypertension prevention programs depend on interventions early in life before disease manifestation.

In this issue of Hypertension, Rosner and colleagues describe the levels of blood pressure among children and adolescents from a data base of merged population-based data sets.2 These analyses demonstrate the increase in blood pressure with body size and age among the 58,698 individuals 17 years of age and younger as part of the Pediatric Task Force data base. The investigators also document the racial disparity in blood pressure levels of these young people that are well known and documented racial differences in hypertension rates of adults. This manuscript provides a timely set of analyses emphasizing the importance of considering blood pressure in children and adolescents when developing strategies for population high blood pressure control.

The relationship of body size and blood pressure levels is particularly relevant in the assessment of elevated blood pressure in the population. The rate of childhood obesity has significantly increased in the past 2 decades. Data from the National Health and Nutrition Examination Survey (NHANES) showed a three-fold increase (5.0% to 17.6%) in the prevalence of obesity from 1976 to 2006 for U.S children and adolescents 12 through 19 years of age.3, 4 These increasing trends in obesity were consistent for non Hispanic whites, non-Hispanic blacks and Mexican Americans. The effects of body size and blood pressure reported by Rosner, et. al. may have even greater implications as the studies included as part of the Pediatric Task Force data were completed before the dramatic population shift in larger body sizes among children and adolescents in the US.

The association of body mass and blood pressure level seen in children is consistent throughout adulthood. As presented in the figure, hypertension increases with increasing waist-hip-ratio. Rosner and colleagues reported the consistent association of body mass and blood pressure among African Americans and Caucasians, and similar patterns are seen among adult hypertension rates for both race groups. That said, racial disparities remain evident in the prevalence of hypertension with African Americans tending to have higher blood pressures than Caucasians.5 While the blood pressure levels of both race groups are strongly associated with body size from childhood through adulthood, the racial disparities are not completely explained by anthropometrics and fat patterning.6 In fact, the greatest racial differences are identified in the leaner categories of body size where African Americans have much higher hypertension rates than their Caucasian counterparts (Figure). The differences in blood pressure levels by race and the inability of body size to completely explain these disparities indicate other factors are involved in hypertension risks.

The prevalence of hypertension increases with waist-to-hip ratio among Caucasian and African American adult males. While the racial disparity in hypertension is evident for each body size quartile, the differences are most evident in the leaner categories. ...

These findings in populations of children/adolescents and adults suggest the genetic and environmental parameters that affect blood pressure levels may be consistent throughout lifetime. Fetal and early life-events have been identified as predictive factors for adult blood pressure and hypertension-related outcomes.7, 8 The mechanisms associated with blood pressure effects originating in the fetal environment might remain involved into late adulthood, and could be a key for future predictive medicine research. The identification of factors associated with the development of hypertension, but before the microvascular and macorvascular markers manifest, is an essential component of high blood pressure prevention.

In the meantime, the results from Rosner and colleagues have high blood pressure control implications. Traditionally, hypertension in children and adolescents has been considered differently from adults with two separate sets of guidelines.9, 10 However, with consistent associations and mechanisms of high blood pressure regulation and risks, perhaps one set of hypertension treatment and control recommendations for all stages of life ages should be developed.


Source of Funding This work was supported in part by National Heart Lung and Blood Institute grant Black Pooling Project 1R01HL072377.


Disclosures None


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