Variant autonomic regulation during active standing in Swedish and Japanese junior high school children.

Variant autonomic regulation during active standing in Swedish and Japanese junior high school children. Research Abstract Details 

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Variant autonomic regulation during active standing in Swedish and Japanese junior high school children. Abstract Text:

The present investigation is about cardiovascular responses and relevant autonomic function in Swedish and Japanese pubertal children on active standing using non-invasive continuous beat-to-beat finger arterial pressure (FAP) monitoring and power spectral analysis. Examined were 54 Swedish and 57 Japanese children (13-15 years). FAP and heart rate (HR) was continuously recorded in the supine position and during standing. Supine FAP was significantly higher in Swedish compared with Japanese children (121/62 versus 103/53 mmHg, P < 0.001). Swedish children showed a higher increase in arterial pressure and HR upon uprising, resulting in a higher vasoconstrictor index (5.04 +/- 0.22 versus 2.31 +/- 0.11 mmHg s(-1), P < 0.001, respectively). There were also higher increases in arterial pressure and HR in the following steady state period (1-7 min) between the two groups. These differences were also found after adjustment of body weight and height. Frequency domain analysis of HR and arterial pressure variability indicated significantly higher low/high frequency power of HR and low frequency power of arterial pressure. These results suggest that Swedish pubertal children have higher basal blood pressure and enhanced cardiovascular sympathetic responses. These differences in the two cohorts might be caused by genetic factors.

Variant autonomic regulation during active standing in Swedish and Japanese junior high school children. Publishing Authors By Initials

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Variant autonomic regulation during active standing in Swedish and Japanese junior high school children. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Clinical physiology and functional imaging

VOLUME: 28

Page Numbers: 174-81

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ISSN: 1475-0961

DAY: 14

MONTH: 02

YEAR: 2008

Variant autonomic regulation during active standing in Swedish and Japanese junior high school children. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Variant autonomic regulation during active standing in Swedish and Japanese junior high school children.

AFFILIATION: Department of Pediatrics, Osaka Medical College, Osaka, Japan.

Country: England

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MEDLINETA: Clin Physiol Funct Imaging

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