Assessment of cardiovascular disease risk factors in Korean children: impact of various pediatric hypertension guidelines and application of the Korean blood pressure reference

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BACKGROUND: The global rise in pediatric hypertension (HTN) is a significant concern as it serves as a precursor to cardiovascular disease (CVD). To address this, we performed a comparative analysis of two guidelines for pediatric HTN: the 2017 American Academy of Pediatrics (AAP) and the 2016 European Society for Hypertension (ESH), applying the Korean blood pressure (BP) reference specifically to the Korean pediatric population. METHODS: Data from 2,060 children and adolescents aged 10-18 years from the Korean National Health and Nutrition Examination Survey (2016-2018) were analyzed. BP was classified according to the AAP, the ESH, and the Korea Regional BP Classification (KRC). High BP was defined as BP exceeding the normotensive range. RESULTS: The prevalence of high BP in Korean youth was significantly higher according to the AAP group than that in the ESH group (19.5% vs. 10.6%, P < 0.0001). Variations in prevalence were noted based on age, sex, and obesity. No significant differences were observed between the AAP and KRC groups in terms of high BP prevalence. The application of the AAP and KRC provided a more comprehensive reflection of CVD risk factors, including obesity and metabolic profiles, compared to the ESH. The KRC showed a tendency to classify more non-obese individuals as having elevated BP, although this difference was not statistically significant. CONCLUSIONS: In comparing the AAP, ESH, and KRC criteria in the Korean pediatric population, the KRC demonstrated a tendency to identify individuals with CVD risk factors as having high BP. This finding suggests that using the KRC as the criterion for high BP may facilitate earlier intervention in the management of CVD risk.

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