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  • Title: Long-term control of ambulatory hypertension in children: improving with time but still not achieving new blood pressure goals.
    Author: Seeman T, Gilík J.
    Journal: Am J Hypertens; 2013 Jul; 26(7):939-45. PubMed ID: 23645323.
    Abstract:
    BACKGROUND: Short-term therapy can decrease blood pressure (BP) to less than the 95th percentile in only about 50% of children. The aim of our study was to investigate the long-term control of hypertension (HT) in children using ambulatory BP monitoring (ABPM). METHODS: We analyzed data from all children who started ramipril monotherapy in our center. Controlled HT was defined according to the most current guidelines as systolic and diastolic BP at daytime and nighttime <90th percentile in primary HT and <75th percentile in renoparenchymal HT. RESULTS: Thirty-eight children who were on therapy ≥1 year were included. Thirty-two children had renoparenchymal, and 6 had primary HT. The median age at the beginning of therapy was 13.6 years (range = 4.1-18.0 years), and the median time of antihypertensive therapy was 2.6 years (range = 1.0-11.8 years). Thirty-four percent of children received combination therapy; the median number of antihypertensive drugs was 1.5 drugs/patient (range = 1-4). Sixty-eight percent of children had BP <95th percentile, but only 34% of the children had controlled HT. Children with uncontrolled HT had a tendency to have a higher daytime diastolic BP index before the start of therapy than children with controlled HT (0.99±0.11 vs. 0.94±0.11; P = 0.09). There was a significant decrease in prevalence of nondipping (from 47% to 16%; P = 0.006) with therapy. CONCLUSIONS: This first pediatric study focusing on long-term control of HT using ABPM showed that long-term control of HT is better than short-term control, but still only one-third of children achieve the new BP goals. The low control of HT might be improved by more intensive therapy.
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