Altered cardiovascular rhythmicity in children with white coat and ambulatory hypertension

Litwin, M; Simonetti, GD; Niemirska, A; Ruzicka, M; Wühl, E; Schaefer, F; Feber, J (2010). Altered cardiovascular rhythmicity in children with white coat and ambulatory hypertension. Pediatric research, 67(4), pp. 419-23. New York, N.Y.: Nature Publishing Group

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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.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Gynaecology, Paediatrics and Endocrinology (DFKE) > Clinic of Paediatric Medicine

UniBE Contributor:

Simonetti, Giacomo

ISSN:

0031-3998

Publisher:

Nature Publishing Group

Language:

English

Submitter:

Anette van Dorland

Date Deposited:

04 Oct 2013 14:07

Last Modified:

05 Dec 2022 14:00

PubMed ID:

20032814

Web of Science ID:

000275881600015

URI:

https://boris.unibe.ch/id/eprint/292 (FactScience: 197405)

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