Intracranial aneurysms are acquired lesions that are most commonlylocated at the branching points of the major arteries coursingthrough the subarachnoid space at the base of the brain (Figure 1).A subarachnoid hemorrhage due to the rupture of an intracranialaneurysm is a devastating event associated with high rates ofmorbidity and mortality. Approximately 12 percent of patientsdie before receiving medical attention,1 40 percent of hospitalizedpatients die within one month after the event,2,3,4,5,6 andmore than one third of those who survive have major neurologicdeficits.2,3,4,5,6 Furthermore, persistent cognitive deficitsare present in many patients . . . [Full Text of this Article]
Epidemiology
Prevalence of Intracranial Aneurysms
Incidence of Subarachnoid Hemorrhage
Pathological Features
Pathogenesis
Genetic Factors
Environmental Factors
Diagnosis
Clinical Presentation
Subarachnoid Hemorrhage
Mass Effect
Cerebral Ischemia
Asymptomatic Intracranial Aneurysms
Diagnostic Studies
Subarachnoid Hemorrhage
Intracranial Aneurysms
Screening
Treatment
Surgery
Endovascular Therapy
Source Information
From the Department of Neurologic Surgery, Mayo Clinic, 200 First St. SW, Rochester, MN 55905, where reprint requests should be addressed to Dr. Schievink.
References
Related Letters:
Intracranial Aneurysms
Kappos L., Dommasch D., Lipton M., Navarrete P., Shacker P. L., Schievink W. I.
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N Engl J Med 1997;
336:1758-1759, Jun 12, 1997.
Correspondence
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