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1295408 
Journal Article 
Primary hypertension at a single center: treatment, time to control, and extended follow-up 
Dipietro, A; Kees-Folts, D; Desharnais, S; Camacho, F; Wassner, SJ 
2009 
1 
Pediatric Nephrology
ISSN: 0931-041X
EISSN: 1432-198X 
24 
12 
2421-2428 
English 
19714367 
WOS:000271283400019 
We present data on presentation, treatment, and follow-up of 65 pediatric patients with primary hypertension treated over the past 12 years, including initial anthropometric data, pharmacologic treatment, time to control for both systolic and diastolic blood pressure (SBP/DBP), and maintenance of control over time. Data was normalized to standard deviation scores (SDS) for mathematical analysis, and antihypertensive medication dosages were converted to dosage equivalents for a single member of each antihypertensive class. We used multiple regression analysis and Kaplan- Meier survival curves to determine the time to control, medication, and dose effectiveness. Patients were seen for an average of seven visits over 25 months. Initial BPs averaged 134/71 mmHg (2.1/0.6 SDS). Patients were taller, heavier, and had higher body mass index than average for age and sex. By the fourth visit, SBP was <90th percentile in 79%. Ninety percent could be controlled, although 32 lost control at some point (at least 16 due to noncompliance). At the last visit, 46 were controlled, and 5/8 patients off medication remained normotensive. Only angiotensin-converting enzyme inhibitors and beta-blockers demonstrated significant association with BP control. This is the first study to document the time to control of BP, and it can serve as an initial standard for quality assessment.