White-coat Hypertension in Childhood - Effects on Blood Pressure and Organ Damage

Plain-language summary

White coat hypertension, WCH means that the blood pressure are above normal values only when measured at visits to the doctor, but not at home. WCH has in adults proved to be predisposing to the development of hypertension, and damage to the heart and arteries. It is not known if children and young people run the same risk as adults with WCH. The investigators have previously examined the blood pressure of 1473 healthy children and adolescents in the study "Screening for high blood pressure and silent kidney disease in school children" and the results were published recently in the American Journal of Hypertension. In the study, we identified a number of participants who had the WCH. The investigators are implementing now, 10 years later, a follow-up study to investigate if these children with WCH have an increased risk of hypertension and subsequent cardiovascular disease. The goal is to investigate whether these young individuals are at similar risk as adults with WCH for hypertension and impaired cardiovascular function. The investigators will provide our WCH participants extended examinations of the heart, blood vessels and kidney function, which will provide important information as to whether there are effects on cardiovascular health already in adolescence among participants that suffered from WCH in childhood. This is important knowledge in clinical work in order to learn how to best care for these children to minimize their risk of future disease.

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