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Ambulatory blood pressure in prehypertensive children and adolescents.
MedLine Citation:
PMID:  22476249     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND: Prehypertension is defined as blood pressure (BP) ≥90th percentile, or ≥120/80 mmHg, but <95th percentile for age, sex, and height. Since the definition is made by conventional BP measurements and office BP can be quite variable, we studied whether prehypertension could be differentiated by ambulatory BP monitoring from normotension or hypertension (HTN) in children and adolescents. METHODS: One hundred and fifty-eight children (84 boys and 74 girls, aged 6-17 years, median 12) were studied. According to the office BP values, they were divided into normotension (80), prehypertension (20), and HTN (58). RESULTS: Systolic BP index and systolic daytime ambulatory BP (ABP) were significantly higher in prehypertensive patients than in normotensives and lower than hypertensives. When daytime ABP was used to diagnose HTN, four normotensive (5.0%), four prehypertensive (20.0%), and 27 hypertensive (46.6%) patients had HTN. Thus, in patients with prehypertension, the prevalence of masked HTN is significantly higher than in those with normotension. On the other hand, the prevalence of daytime ambulatory HTN is significantly lower, i.e., white-coat effect is more frequent, compared with hypertensive patients. CONCLUSION: Prehypertension lies between normotension and HTN in ABP values as well and is a good candidate for identifying masked HTN. Our data emphasize the importance of identifying prehypertension in children and adolescents.
Authors:
Hisayo Fujita; Seiji Matsuoka; Midori Awazu
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-4-5
Journal Detail:
Title:  Pediatric nephrology (Berlin, Germany)     Volume:  -     ISSN:  1432-198X     ISO Abbreviation:  -     Publication Date:  2012 Apr 
Date Detail:
Created Date:  2012-4-5     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8708728     Medline TA:  Pediatr Nephrol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Pediatrics, Hiratsuka Kyosai Hospital, Kanagawa, Japan.
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