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MR angiography showed nine unruptured aneurysms in six patients. Eight aneurysms were seen on MR angiography and nine were seen on DSA. Seven unruptured aneurysms were treated surgically. The mean treatment cost was 50% lower for an unru ptured aneurysm than that for a ruptured aneurysm. No patient surgically treated for an unruptured aneurysm required rehabilitation, unlike 25% of patients with ruptured aneurysms. The annual total cost of MR angiography was equivalent to 2.9% of the an nual cost of screening mammography. The annual cost of MR angiography equaled half the cost of treating one patient after aneurysm rupture. MR angiography showed a 9.5% prevalence of unruptured aneurysms among persons who had one or more firs-degree rel atives with a cerebral aneurysm. DSA confirmed 88% of aneurysms found on MR angiography. Persons with unruptured aneurysms had better treatment outcomes at lower cost than did patients treated for aneurysm rupture. The annual MR angiography cost was low compared with the cost of screening mammography and with the cost of treating one patient with aneurysm rupture. |
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aneurysm
aneurysm,intracranial
aneurysm,intracranial,familial
aneurysm,intracranial,screening for
aneurysm,intracranial,treatment of
aneurysm,unruptured
cost effectiveness
MRI
MRI,abnormal
MRI,angiography
treatment of neurologic disorder
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