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[Reference values of 24-hour ambulatory blood pressure in healthy children by height].

UNLABELLED
The aim of the work was to prepare the percentile curves for blood pressure measured by 24-hour ambulatory blood pressure monitoring (ABPM) in children by height.


MATERIAL AND METHODS
ABPM was performed in 852 healthy children aged 7-17 years (433 girls, 419 boys). Systolic (SBP) and diastolic (DBP) blood pressure was measured for 24 h, including the period of activity and rest, using BR-102 Schiller Poland LTD monitor and Quiet Tycos ABPM, USA. The mean number of readings over the 24-hour period was 58.4+/-4.


RESULTS
The mean SBP in the group of girls with height 120-172 cm increased from 102.2+/-5.5 to 121.0+-7.8 mmHg, and in the group of boys with height 120-180 cm and over from 103.7+/-5.7 to 123.7+/-6.2 mmHg. A strong positive correlation between the height and SBP and weak with DBP was noted. The percentile charts for blood pressure in children aged 7-17 by height were prepared.


CONCLUSIONS
The mean systolic blood pressure decreased at night more than diastolic blood pressure, independently of height. Systolic blood pressure was stronger correlated with the height than with the age.