Origins of Primary Hypertension in Children

Author:

Litwin Mieczysław12ORCID,Feber Janusz3

Affiliation:

1. From the Department of Nephrology and Arterial Hypertension (M.L.), The Children’s Memorial Health Institute, Warsaw, Poland

2. Chair of Pediatric Nephrology (M.L.), Centre of Postgraduate Medical Education, Warsaw, Poland.

3. Division of Nephrology, Department of Pediatrics (J.F.), The Children’s Memorial Health Institute, Warsaw, Poland

Abstract

Although relatively rare in childhood, primary hypertension (PH) is thought to have originated in childhood and may be even determined perinatally. PH prevalence increases in school-age children and affects 11% of 18-year-old adolescents. Associated with metabolic risk factors, elevated blood pressure in childhood is carried into adulthood. Analysis of the phenotype of hypertensive children has revealed that PH is a complex of anthropometric and neuro-immuno-metabolic abnormalities, typically found in hypertensive adults. Children with elevated blood pressure have shown signs of accelerated biological development, which are closely associated with further development of PH, metabolic syndrome, and cardiovascular disease in adulthood. At the time of diagnosis, hypertensive children were reported to have significant arterial remodelling expressed as significantly increased carotid intima-media thickness, increased stiffness of large arteries, lower area of microcirculation, and decreased endothelial function. These changes indicate that their biological age is 4 to 5 years older than their normotensive peers. All these abnormalities are typical features of early vascular aging described in adults with PH. However, as these early vascular changes in hypertensive children are closely associated with features of accelerated biological development and neuro-immuno-metabolic abnormalities observed in older subjects, it seems that PH in childhood is not only an early vascular aging event, but also an early biological maturation phenomenon.

Publisher

Ovid Technologies (Wolters Kluwer Health)

Subject

Internal Medicine

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