Cardiovascular Remodeling Relates to Elevated Childhood Blood Pressure: Beijing Blood Pressure Cohort Study

Document Type

Article

Publication Date

12-20-2014

Description

Background/objectives There are few studies investigating the long-term association between childhood blood pressure (BP) and adult cardiovascular remodeling. We seek to examine the effect of elevated childhood BP on cardiovascular remodeling in early or middle adulthood.Methods We used the "Beijing BP Cohort Study", where 1259 subjects aged 6-18 years old were followed over 24 years from childhood (1987) to early or middle adulthood (2011). Anthropometric measures and BP were obtained at baseline and follow-up examinations. Carotid-femoral pulse wave velocity (cfPWV), carotid intima-media thickness (cIMT), and left ventricular mass index (LVMI) were measured to assess cardiovascular remodeling in early or middle adulthood. Multiple logistic regression models were used to assess the odds ratio (OR) and 95% confidence interval (CI) for cardiovascular remodeling.Results 82 out of 384 children with elevated BP (21.4%) had adult hypertension. Compared to those with normal BP, children with elevated BP were at 2.1 times (95% CI: 1.4-3.1) likely to develop hypertension in early or middle adulthood. Compared to those with normal BP, children with elevated BP were at higher OR of developing high cfPWV (OR = 1.8, 95% CI = 1.3-2.4), high cIMT (1.4, 1.0-1.9), or high LVMI (1.4, 1.0-1.9) in early or middle adulthood. The ORs for remodeling (for any measures) were 1.4 (0.9-2.0) in early adulthood for children age 6-11 years, and 1.6 (1.1-2.4) in middle adulthood for those aged 12-18 years.Conclusions Children with elevated BP from 6 years old have accelerated remodeling on both cardiac and arterial system in early or middle adulthood.

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