Abstract
Hypertension (HTN) is common in children and often associated with pathologic progression to end organ damage, specifically left ventricular hypertrophy (LVH). The primary goal of this retrospective chart review is to determine if patients with higher blood pressure were more likely to complete echocardiogram (ECHO) and more likely to have LVH, among a pediatric population referred for hypertension evaluation before the 2017 American Academy of Pediatrics (AAP) guidelines. To meet this goal, the number of patients evaluated by ECHO and prevalence of LVH was examined for independent associations with blood pressure and BMI categories by logistic regression. It was found that higher blood pressure was associated with having an ECHO evaluation (p = 0.012). Among patients evaluated by ECHO, one-third had LVH but the presence of LVH was not associated with blood pressure severity or use of anti-hypertensive medication. Instead, BMI was the only factor associated with LVH cardiac remodeling in our population (p = 0.025). Newly updated AAP practice guidelines recommend evaluation of HTN via ABPM, with ECHO performed only at the initiation of pharmaceutical therapy. It is notable that BMI, the only risk factor of LVH found in this study, is not addressed in the current AAP guidelines for ECHO evaluation among hypertensive children. This study suggests that ECHO evaluation may be warranted in a larger subset of children as is recommended by current European Society of Hypertension pediatric guidelines.
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