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KMID : 0377619960610070571
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Korean Jungang Medical Journal
1996 Volume.61 No. 7 p.571 ~ p.580
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A Study on the Circulatory Effects of Position Change and Postural Hypotension in Elderly Hospitalized Patients
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Abstract
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This study investigated the effects of position change from supine to standing upright on the circulation and postural hypotension of elderly hospitalized patients.
The subjects of this study were 69 hospitalized elderly patients aged over 60 in a large university hospital. Only those who could stand up from supine position without assistance were included in this subjects.
Data were collected from the 10th of February to the 30th of March 1996. Blood pressures and pulses were taken at supine position and at 1 minute, 3 minutes after position change to uprightness.
For data analysis, SAS program were utilized for descriptive statistics, paired t-test, 2-test, discriminant analysis.
The results of this study are as followings.
1) The variables which explain the occurrence of postural hypotension were the sex, pulse on the supine, the period of admission. Age was not found as significant variable in explaining the occurrence of postural hypotension. in this study.
2) The prevalence of postural hypotension was 18 patients(26.09 %). 13 patients of them are experienced symptoms.
3) Differences in heart rates and blood pressures between supine and upright position were evaluated. The results were summarized as follows
(1) Heart rates increased significantly at 1 minute, 3 minutes after standing upright.
(2) Diastolic blood pressures increased significantly at 3 minutes after standing upright.
(3) Systolic blood pressures decreased significantly at 1 minute after standing upright.
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