THE TREATMENT OF MILD HYPERTENSION IN THE ELDERLY, A PROSPECTIVE STUDY USING MULTIPLE REGRESSION ANALYSIS
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概要
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In order to examine the effect of treatment of mild hypertension of the aged, a 4 year prospective trial was performed in 41 placebo and 38 drug-treated patients with an average age of 76.5 years. Patients were matched for blood pressure, sex and age. Patients with cardiovascular complications or blood pressure elevation above 200/110 were categorized as dropouts and totaled 17 cases (41.5%) in the placebo group, and 4 cased (10.5%) in the drug-treated group (p < 0.01). In diastolic hypertension, dropouts formed 63.6% of the placebo group (mean BP, 170/92), and 9.5% of the drug group (mean BP, 179/94) (p < 0.001). In systolic hypertension, dropouts were of 15.8% in the placebo group (mean BP, 164/79), and of 11.8% in the drug group placebo group, dropouts were significantly higher in patients with pretreatment systolic blood pressure over 170 mmHg or diastolic blood pressure over 90 mmHg. In patients of 75 years of age or more, dropouts were 46.4% in the placebo group, and 13.0% in the drug treated group showing the beneficial effect of drug treatment even in those over the age of 75. However, no beneficial effect was observed over the age of 85. Stepwise multiple regression analysis of total case revealed that the greatest predictor for dropout was the presence of placebo (i.e. no treatment), explaining 12.2% of the variation in future dropout. Similarly, diastolic hypertension explained 7.5%, creatinine 6.7%, and age 4.6% of this variation. In the placebo group, the greatest strength of prediction for dropout was diastolic hypertension, explaining 23.5%, followed by creatinine 6.1%, systolic blood pressure 6.1%, and obesity 5.1%. This study indicates the importance of drug treatment in the elderly hypertension by early eighties, when blood pressure exceeds 170/90 mmHg.
- 社団法人日本循環器学会の論文
- 1985-11-20
著者
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KURAMOTO Kizuku
Department of Internal Medicine,Tokyo Metropolitan Geriatric Hospital
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MATSUSHITA Satoru
Department of Internal Medicine,Tokyo Metropolitan Geriatric Hospital
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Kuramoto Kizuku
東京都老人医療センター
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Kuramoto Kizuku
Department Of Cardiololgy Tokyo Metropolitan Tama Geriatric Hospital
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Matsushita Satoru
Department Of Cardiololgy Tokyo Metropolitan Tama Geriatric Hospital
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KURAMOTO Kizuku
Department of Cardiology, Tokyo Metropolitan Geriatric Hospital
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MATSUSHITA Satoru
Department of Cardiology, Tokyo Metropolitan Geriatric Hospital
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MATSUSHITA Satoru
Department of Medicine, Tokyo Metropolitan Geriatric Hospital
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