| Co-Investigator(Kenkyū-buntansha) |
TAKISE Sadafumi Osaka College of Physical Education, 体育学部, 助教授 (30067251)
YOSHIDA Seiji Osaka College of Physical Education, 体育学部, 助教授 (30079181)
高塚 泰次郎 大阪体育大学, 体育学部, 教授 (40163216)
MASUHARA Mitsuhiko Osaka College of Physical Education, 体育学部, 教授 (40067236)
横山 広之 大阪体育大学, 体育学部, 教授 (20067218)
TAKATSUKA Taijiro Osaka College of Physical Education
YOKOYAMA Hiroyuki Osaka College of Physical Education
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| Budget Amount *help |
¥6,300,000 (Direct Cost: ¥6,300,000)
Fiscal Year 1986: ¥1,500,000 (Direct Cost: ¥1,500,000)
Fiscal Year 1985: ¥2,000,000 (Direct Cost: ¥2,000,000)
Fiscal Year 1984: ¥2,800,000 (Direct Cost: ¥2,800,000)
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| Research Abstract |
1. Statistical Observation of Sudden Death at School
Of 61 pupils who died suddenly at school in the 7-year period from 1978, 16 were found to have had idiopathic cardiomyopathy, congenital heart disease, etc. It is of interest, however, that these pupils died suddenly during school attendance, school hours, and light intensity exercise in a class of physical education. Others were known to have had a heart operation. The number of weak children was also relatively large as compared with that of normal children.
2. Preventive Steps
Following preventive steps are recommended: 1) elucidation of true death causes through the previous findings of clinical examinations and the autopsy, 2) completeness of medical check, 3) enforcement of a comprehensive study from a standpoint of exercise physiology (or sports medicine), 4) building-up of a close connection between physicians and teachers in the treatment of deseased pupils, and 5) preparation for cardiac emergency and the development of the ur
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gent system.
3. Major Findings
Major findings obtained in this study can be summarized as follows.
1) In the Addison's disease with adrenocortical insufficiency performing dynamic exercise, there were little changes in the ACTH, cortisol, aldosterone, and adrenaline; while the PRA and noradrenaline increased markedly. 2) When exercise was given to patients who showed arrhythmias (due probably to the activity change in the autonomic nervous system) in the Diving reflex and Valsalva tests, hyper-response of the hypophyseal-adrenal system was present in some patients, while others were found not to respond at all. Immediately after the end of cycling exercise, two patients showed a severe drop in blood pressure and heart rate. The response of the endocrine glands in these patients was significantly high. 3) Although ANP of normal men started to increase above a resting base-line value at or above the exercise intensity of 150 W, ANP of patients with essential hypertension exhibited a further, systematic increase. Less
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