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Intracranial hemorrhage produced by spontaneous dissecting intracranial aneurysm
Two patients with intracranial dissecting aneurysms were seen initially because of acute hemorrhage. One patient died, and a false dissecting aneurysm secondary to atherosclerosis was found at autopsy. In the other patient, the appearance of the carotid arteriogram was typical of a dissection. Because of the propensity of these aneurysms to rupture, caution is indicated in the use of anticoagulants or vasopressors in patients with evolving cerebral infarction secondary to intracranial arterial dissection.
Two patients with intracranial dissecting aneurysms were seen initially because of acute hemorrhage. One patient died, and a false dissecting aneurysm secondary to atherosclerosis was found at autopsy. In the other patient, the appearance of the carotid arteriogram was typical of a dissection. Because of the propensity of these aneurysms to rupture, caution is indicated in the use of anticoagulants or vasopressors in patients with evolving cerebral infarction secondary to intracranial arterial dissection.