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Fatal bleeding from arterial dissection after clipping of a ruptured aneurysm--case report

Yasunobu Goto1, Masato Hojo, Sen Yamagata

  • 1Department of Neurosurgery, Kurashiki Central Hospital, Kurashiki, Okayama.

Neurologia Medico-Chirurgica
|January 16, 2004
PubMed

A 67-year-old man died of subarachnoid hemorrhage (SAH) resulting from dissection of the distal part of the anterior cerebral artery (ACA). A saccular aneurysm in the anterior communicating artery had ruptured and was successfully clipped on Day 0. The patient recovered consciousness after surgery but his condition deteriorated due to another SAH on Day 1. A second surgical procedure disclosed bleeding from a laceration in the opposite wall of the ACA distal to the clipped aneurysm. Histological examination of the autopsy specimens revealed damage to the internal elastic lamina and inflammatory infiltration of leukocytes. The fatal dissection may have resulted from atherosclerosis, hemodynamic stress caused by hypertension, or trauma due to surgical manipulation.

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