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Approximately 200 children age 6 - <18 years receiving medications for essential hypertension (HTN) will be recruited from the Pediatric Hypertension Clinic at the time of a routine clinic visit. Participating subjects will be asked to wear the ambulatory blood pressure monitor (ABPM) for 24 hours within 2 weeks of the qualifying visit. Measurements obtained with the ABPM will be compared to measurements obtained by routine clinical procedures documented in the subject's clinical chart. Kappa statistic will be utilized to compare differences in documented BP control between the two measures as well as changes in therapeutic management decisions by treating physicians with the addition of the ABPM readings. The overall goal is to confirm that ABPM leads to an increased detection of uncontrolled HTN along with a similar increase in adjustments increasing anti-hypertensive medication regimens.
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Ages Eligible for Study:
6 Years to 17 Years (Child)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
Approximately 200 children age 6 - <18 years receiving medications for essential HTN will be recruited from the Pediatric Hypertension Clinic at the time of a routine clinic visit.
Age 6-17 years (up to 18th birthday) receiving anti-hypertensive medication(s) by subject history at presentation for the qualifying clinic visit
Arm circumference measurement of 15-50 cm (limits of SpaceLabs ABPM cuffs).
Severe HTN which in the opinion of the treating physician would prevent the subject from delaying changes in therapy to complete the study.
Secondary HTN from all causes (excluding obesity-related HTN). This includes but is not limited to renovascular HTN, chronic kidney disease, coarctation of the aorta, and monogenic forms of HTN.
Physical limitations prohibiting placement of the ABPM monitor.
Significant arrhythmias or known disruptions in cardiac output which may interfere with the monitor's ability to detect BP accurately.