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Updated: Jul 6, 2025

Assessment of Child Anthropometry in a Large Epidemiologic Study
Published on: February 2, 2017
The ongoing impact of obesity on childhood hypertension
Robert L Myette1,2, Joseph T Flynn3,4
1The Children's Hospital of Eastern Ontario, University of Ottawa, Ottawa, ON, Canada.
Insights
Childhood obesity and hypertension are rising globally. This review explores the link between excess weight and high blood pressure in children, including recent guideline changes.
Area of Science:
- Pediatrics
- Cardiology
- Public Health
Background:
- Childhood obesity rates have significantly increased globally over recent decades.
- This rise in obesity is paralleled by a growing prevalence of childhood hypertension, affecting both high-income and low- to middle-income countries.
- Hypertension in children poses significant long-term cardiovascular risks.
Purpose of the Study:
- To review current trends in childhood blood pressure.
- To examine the association between excess body weight and the development of hypertension in children.
- To discuss the specific mechanisms underlying obesity-related hypertension.
Main Methods:
- Literature review focusing on studies published since 2017.
- Analysis of trends in childhood blood pressure measurements.
- Examination of epidemiological data on childhood obesity and hypertension.
- Synthesis of research on the pathophysiological links between obesity and hypertension.
Main Results:
- The review highlights the increasing prevalence of elevated blood pressure in children, strongly correlated with rising obesity rates.
- Evidence indicates shared risk factors and mechanisms contributing to hypertension in both pediatric and adult populations.
- Recent guideline updates (e.g., American Academy of Pediatrics, 2017) have lowered blood pressure thresholds, identifying more children with hypertension.
Conclusions:
- Obesity is a primary driver of hypertension in children, necessitating urgent public health interventions.
- Understanding the complex mechanisms of obesity-related hypertension is crucial for effective prevention and management strategies.
- Continued research and updated clinical guidelines are essential to address this growing pediatric health challenge.
Abstract:
Obesity rates among children have been steadily rising over the past several decades. This epidemic has been accompanied by an increase in the prevalence of childhood hypertension, with children in low- and middle-income countries being affected to the same extent as children in high-income countries. This review will examine the trends in childhood blood pressure and the relationship between excess body weight and the development of hypertension. In addition, distinct mechanisms of obesity-related hypertension will be discussed. There will be an emphasis on recent studies conducted since the publication of new guidelines by the American Academy of Pediatrics in 2017 which resulted in the adoption of lower normative blood pressure cutoffs. The overall intent of this review is to provide the reader with an understanding of the ongoing impact, and complexities, of obesity-related hypertension.
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