思春期における末梢循環機能をめぐって : 第1報上腕血圧と指尖血圧との対比

概要

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In order to obtain information on how lifestyle-related diseases develop in adolescence, we examined the peripheral circulation by taking blood pressure at the source of the finger and on the upper arm. The subjects were 449 school boys and girls aged 9 to 18. The blood pressure taken at the finger was measured by a digital photoplethysmographic device (Ohmeda-2300, Finapress) and the one taken on the upper arm by an automatic sphygmomanometer employing a Korotkoff device. The systolic and diastolic blood pressure taken at the upper arm was 106.8 ± 10.0 mmHg and 57.4 ± 7.9 mmHg, respectively. The systolic and diastolic blood pressure taken at the finger was 103.9 ± 14.7 mmHg and 54.8 ± 11.0 mmHg, respectively. The blood pressure taken at the finger was significantly (p<0.001) correlated to ones taken at the upper arm (r = 0.41-0.71). The difference in blood pressure (ΔBP) taken at the finger and the upper arm for each subject at an elementary school was 2.9 ± 12.4 mmHg systolic and 2.5 ± 9.4 mmHg diastolic. Both ΔBP were mainly within the range of - 3 to 4 mmHg, showing the correlation of the blood pressure taken at the finger and the upper arm. Nonetheless, subjects in a junior high school study showed the larger ΔBP of 5.5 ± 14.1 mmHg systolic and 2.5 ± 9.3 mmHg diastolic. These results suggest that ΔBP may provide valuable information about the age-dependent change in blood vessels during adolescence.
和歌山県立医科大学の論文