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KMID : 0357819960200020048
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Korean Journal of Legal Medicine
1996 Volume.20 No. 2 p.48 ~ p.54
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Traumatic Basal Subarachnoid Hemorrhage
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Abstract
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During the last few years the traumatic basal subarachnoid hemorrhage(SAH) has been recognized that blows to the neck, head and face can give rise to fatal SAH be-cause of tearing of the intrathecal course of a vertebral artery or basilar artery. No doubt a number of SAH are due to rupture of non-aneurysmal vessels or an aneurysm too small to find, but unrecognized vertebral artery trauma would have accounted for remainder. In these cases, there may be no external sign at all. Unfortunately the deep or lateral portion of neck is the area that is not routinely dissected at autopsy. This is probably why this syndrome was not recognized until a few years ago. The mechanisms of injury and hemorrhage have been inadequately explored and demonstrated due to absence of appropriate and adequate anatomic dissection. According to the current literature on the traumatic basal SAH, the cause of death is now hypothesized to have been a tear in the vertebral artery associated with hyperextension and rotation.
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