宮城頭部外傷研究会多施設共同登録調査：年齢と受傷原因・病態・転帰

抄録

There were 9076 head injured patients admitted to the 17 neurosurgical institutes in Miyagi Prefecture and registered in Miyagi Neurotrauma Data Bank between July 1995 and December 2006. The analysis of these patients was made from the view points of cause of head injury, pathophysiology and outcome according to age. The results showed 1) two peaks of occurrence of head injury were seen in the young generation aged 15 – 24 and the older patients aged 60 – 79, 2) traffic accidents was the most frequent cause, followed by fall and fall from the height, 3) 4-wheel accidents was most frequently seen in the age of 15 – 24, motor cycle accidents in 15 – 19, pedestrian accidents in 5 – 9, 4) fall was most frequently seen in the age of 60 – 80, whereas fall from the height was in 0 – 4, 5) a peak of acute subdural hematoma was in the age of 60 – 80, acute epidural hematoma was seen more in younger generation, 6) contusion and diffuse brain injury had two peaks of occurrence, the former is more in the older generation of 60 – 80 and the latter is more in the young generations, 7) the poor outcome clearly increased with age. It was concluded that the cause of head injury, the lesion type and the outcome in head injured patients had an age specificity.