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J Clin Neurosci. 2010 Jan;17(1):29-33. doi: 10.1016/j.jocn.2009.04.010. Epub 2009 Dec 9.

Risk of growth in unruptured intracranial aneurysms: a retrospective analysis.

Author information

1
Department of Neurology, The Royal Melbourne Hospital, Grattan Street, Parkville, Victoria 3050, Australia.

Abstract

This study sought to define the growth of unruptured intracranial aneurysms, in particular the frequency of growth and the characteristic factors predictive of growth. Two hundred and eight patients with 285 unruptured aneurysms were followed. Electronic records and angiographic films were obtained for measurements of aneurysm size. The mean follow-up duration was 21.8 months (range 1.1-137.3 months). Growth was identified in 95 of the 285 aneurysms (33.3%). The cumulative incidence of growth predicted using the Kaplan-Meier method was 22.7% at 1 year, 35.2% at 2 years, and 47.7% at 3 years. Aneurysm growth was significantly associated with a patient history of excessive alcohol consumption (p=0.04). A high incidence of growth can be seen in conservatively managed aneurysms with time. Consequently, continual follow-up is recommended to monitor for aneurysmal growth.

PMID:
20004101
DOI:
10.1016/j.jocn.2009.04.010
[Indexed for MEDLINE]

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