| Prevalence of unruptured intracranial aneurysm on MR angiography. | |
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MedLine Citation:
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PMID: 21927555 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: To evaluate the prevalence of incidentally found unruptured intracranial aneurysms (UIAs) on the brain MR angiography (MRA) from a community-based general hospital. MATERIALS AND METHODS: This was a prospectively collected retrospective study, carried out from January 2004 to December 2004. The subjects included 3049 persons from a community-based hospital in whom MRA was performed according to a standardized protocol in an outpatient setting. Age- and sex-specific prevalence of UIAs was calculated. The results by MRA were compared with intra-arterial digital subtraction angiography (DSA) findings. RESULTS: Unruptured intracranial aneurysms were found in 137 (5%) of the 3049 patients (M:F = 43:94; mean age, 60.2 years). The prevalence of UIAs was 5% (n = 94) in women and 4% (n = 43) in men, respectively (p = 0.2046) and showed no age-related increase. The most common site of aneurysm was at the distal internal carotid artery (n = 64, 39%), followed by the middle cerebral artery (n = 40, 24%). In total, 99% of aneurysms measured less than 12 mm, and 93% of aneurysms measured less than 7 mm. Direct comparisons between MRA and DSA were available in 70 patients with 83 UIAs; the results revealed two false positive and two false negative results. CONCLUSION: This community-hospital based study suggested a higher prevalence of UIAs observed by MRA than previously reported. These findings should be anticipated in the design and use of neuroimaging in clinical practice. |
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Authors:
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Tae Yeon Jeon; Pyoung Jeon; Keon Ha Kim |
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Publication Detail:
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Type: Comparative Study; Journal Article Date: 2011-08-24 |
Journal Detail:
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Title: Korean journal of radiology : official journal of the Korean Radiological Society Volume: 12 ISSN: 2005-8330 ISO Abbreviation: Korean J Radiol Publication Date: 2011 Sep-Oct |
Date Detail:
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Created Date: 2011-09-19 Completed Date: 2012-01-19 Revised Date: 2013-05-29 |
Medline Journal Info:
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Nlm Unique ID: 100956096 Medline TA: Korean J Radiol Country: Korea (South) |
Other Details:
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Languages: eng Pagination: 547-53 Citation Subset: IM |
Affiliation:
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Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 135-710, Korea. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Adult Aged Aged, 80 and over Aneurysm, Ruptured / diagnosis Angiography, Digital Subtraction Cerebral Angiography Female Humans Incidental Findings Intracranial Aneurysm / diagnosis*, radiography Magnetic Resonance Angiography* Male Middle Aged Young Adult |
| Comments/Corrections | |
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