最重度重症心身障害者の抗重力姿勢における循環調節

概要

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Eighteen persons with both severe mental retaradation and severe physical disabilities and ten normal persons participated to investigate cardiovascular response to hydrostatic pressure stress using supine and sitting positions. All of the handicapped subjects lay down on the bed during the entire day. They were classified into three groups. That is, the first group (LD) had not opportunity of sitting passively in daily living at all. Another two groups were given opportunity of sitting. In addition, the second group (ST1) was unable to sit and stand independently in the past but the theird group (ST2) was able. The LD showed unchanged heart rate and decreased blood pressure with reduced peripheral blood flow in the sitting position. This suggested that serious lower function or dysfunction in both central and peripheral circulatory system. The cardiovascular function of the ST1 was characterized by elevated heart rate and lowered blood pressure. This seemed to indicate lower baroreflex control to the periheral vascular system. The ST2 demonstrated similar function to the normal persons. The cardiovascular regulation in the severely handicapped persons may depend on opportuunity of taking orthostatic posture in daily living in addition to motor adility in the past.
日本体力医学会の論文
1990-04-01