| Altered cardiovascular rhythmicity in children with white coat and ambulatory hypertension. | |
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MedLine Citation:
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PMID: 20032814 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Adults with ambulatory hypertension or white coat hypertension (WCH) display abnormal cardiovascular rhythms. We studied cardiovascular rhythms by Fourier analysis of 24-h ambulatory blood pressure (BP) measurement profiles in 129 hypertensive children, 54 children with WCH, and 146 age-, height-, and gender-matched healthy subjects. The day/night mean arterial pressure ratio was lower in hypertensive and patients with WCH compared with controls (1.13 versus 1.16 versus 1.21, respectively; p < 0.0001). Eighty-five percent of controls were dippers compared with 74% of WCH (n.s.) and 64% of patients with ambulatory hypertension (p < 0.0001). The prevalence of 24-h rhythms was similar among the groups, but prevalence of 12-h BP rhythms was increased in hypertensive (67%) and WCH (72%) compared with controls (51%, p < 0.0001). The amplitudes of the 24-, 8-, and 6-h BP rhythms were reduced in hypertensive and WCH compared with controls (p < 0.05). Hypertensive and patients with WCH displayed delayed 24-, 12-, 8-, 6-h acrophases in comparison with controls (p < 0.05). In conclusion, hypertensive children exhibit abnormal cardiovascular rhythmicity compared with controls, especially a higher prevalence of nondipping compared with normotensive children. Abnormalities in patients with WCH are intermediate between healthy children and patients with ambulatory hypertension. |
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Authors:
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Mieczys?aw Litwin; Giacomo D Simonetti; Anna Niemirska; Marcel Ruzicka; Elke W?hl; Franz Schaefer; Janusz Feber |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Pediatric research Volume: 67 ISSN: 1530-0447 ISO Abbreviation: Pediatr. Res. Publication Date: 2010 Apr |
Date Detail:
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Created Date: 2010-03-18 Completed Date: 2010-05-17 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0100714 Medline TA: Pediatr Res Country: United States |
Other Details:
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Languages: eng Pagination: 419-23 Citation Subset: IM |
Affiliation:
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The Children's Memorial Health Institute, 04-730 Warsaw, Poland. m.litwin@czd.pl |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Adult Blood Pressure / physiology* Blood Pressure Monitoring, Ambulatory Cardiovascular System / physiopathology* Child Circadian Rhythm / physiology* Female Heart Rate / physiology Humans Hypertension* / etiology, physiopathology, psychology Male Periodicity |
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