脳幹の二次性出血に関する研究

概要

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It is difficult to evaluate morphologically the degree of lesions of the brain stem which is directly related with death because the secondary hemorrhages can be observed at times which would testify that there have been some hindrances of circulation in the corresponding section. The author has studied on various illnesses where secondary hemorrhages of the brain stem had occured and their causes.<BR>Carefull study on some 43 cases with or without secondary hemorrhages of the brain stem had been conducted. The result showed that 70% had secondary hemorrhages of the brain stem. Their causes of deaths showed that 89% died of head injuries with secondary hemorrhages of the brain stem, 50% died of poisoning and 40% of acute heart attack with similar condition.<BR>The causes of secondary hemorrhages of the brain stem can be explained to be the deformation of the brain stem and the nosologic significance of the angioarchitecture. Further, the deformation of the brain stem result for its downward herniation brought about by space-occupying intracranial lesions and brain swelling. However, according to the author's cases, the causes can be divided into 6 types.<BR>There are the arterial and venous congestion types of secondary hemorrhages of the brain stem.
昭和大学・昭和医学会の論文