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Related Experiment Videos

Risk factors for multiple intracranial aneurysms

A I Qureshi1, J I Suarez, P D Parekh

  • 1Division of Neurosciences Critical Care, The Johns Hopkins Medical Institutions, Baltimore, Maryland, USA.

Neurosurgery
|July 10, 1998
PubMed
Summary
This summary is machine-generated.

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Female gender and cigarette smoking are associated with an increased risk of multiple intracranial aneurysms. These findings highlight key risk factors for patients predisposed to aneurysm formation.

Area of Science:

  • Neurology
  • Vascular Medicine
  • Epidemiology

Background:

  • Multiple intracranial aneurysms occur in up to 34% of patients with intracranial aneurysms.
  • Risk factors predisposing to multiple intracranial aneurysms are not well-defined.

Purpose of the Study:

  • To examine the association between known cerebrovascular disease risk factors and the presence of multiple intracranial aneurysms.

Main Methods:

  • Retrospective review of medical records and conventional angiography results from 419 patients with intracranial aneurysms (1990-1997).
  • Logistic regression analysis was used to determine the independent association between risk factors and multiple aneurysms.

Main Results:

  • Of 419 patients, 127 (30%) had multiple intracranial aneurysms.

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  • Female gender (OR=2.1) and cigarette smoking (OR=1.7) were significantly associated with multiple aneurysms in multivariate analysis.
  • Hypertension, diabetes, and substance use were not significantly associated.

    • Conclusions:

    • Cigarette smoking and female gender appear to increase the risk for multiple intracranial aneurysms.
    • Further research is needed to understand the mechanism linking cigarette smoking to intracranial aneurysm formation.