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Multiple cerebral aneurysms--a reappraisal.

F M Wilson1, T Jaspan, I M Holland

  • 1Neuroradiology Department, University Hospital, Nottingham, England.

Neuroradiology
|January 1, 1989
PubMed
Summary
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This study found that 44.9% of intracranial cerebral aneurysms were multiple, with higher rates in women and individuals over 40. Infundibular abnormalities were also noted in a significant portion of patients.

Area of Science:

  • Neurology
  • Radiology
  • Vascular Surgery

Background:

  • Intracranial cerebral aneurysms are a significant cause of morbidity and mortality.
  • Understanding aneurysm characteristics like multiplicity and associated abnormalities is crucial for risk stratification and treatment planning.

Purpose of the Study:

  • To analyze the incidence of aneurysm multiplicity, site, patient demographics, and infundibular abnormalities in a consecutive series of intracranial cerebral aneurysms.
  • To identify demographic factors associated with aneurysm multiplicity.

Main Methods:

  • Retrospective review of 254 consecutive cases of angiographically confirmed intracranial cerebral aneurysms.
  • Data collected included aneurysm multiplicity, location, patient age, sex, and presence of infundibular abnormalities.

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Main Results:

  • The overall incidence of multiple aneurysms was 44.9%.
  • Female patients constituted 66.5% of cases, with higher multiplicity rates (51.5%) compared to males (31.7%).
  • Aneurysm multiplicity was more common in patients over 40 years (52.8%) versus those under 40 (26.3%). Infundibula were present in 27.2% of patients.

Conclusions:

  • Aneurysm multiplicity is common, particularly in women and older individuals.
  • Infundibular abnormalities, including posterior communicating artery dilatation, are frequently observed.
  • These findings highlight important epidemiological patterns in intracranial aneurysms.