PMID: 8584085Dec 1, 1995Paper

Traumatic occlusion of the anterior cerebral artery--case report

Neurologia Medico-chirurgica
A IshibashiT Hiratsuka

Abstract

A 71-year-old female presented with posttraumatic occlusion of the anterior cerebral artery (ACA) after a road accident in which she was hit in the mid-frontal region. Initial computed tomography (CT) demonstrated frontal skull fractures and pneumocephalus. High density areas were also identified in the right basal cisterns, suggesting traumatic subarachnoid hemorrhage. She was alert on admission, but with attendant shock due to crush wounds. Her condition rapidly deteriorated and an emergency amputation of her left leg was performed. After aggressive treatment with transfusion and infusion, her systolic pressure increased to 120 mmHg. Her consciousness remained disturbed. Serial CT disclosed hemorrhagic infarction in the entire medial side of the right frontal lobe. Magnetic resonance angiography demonstrated decreased flow voids in the bilateral A1 segments and right ACA, and a basilar artery aneurysm, which was unruptured clinically. Three weeks after the injury, she regained consciousness. Six months later, she had motor aphasia and left upper extremity weakness. The clinicopathological mechanism causing the traumatic occlusion of the ACA in the present case was probably dissecting aneurysm.

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