Cerebral aneurysm

Last reviewed: 29 Aug 2022
Last updated: 09 Aug 2022

Summary

Definition

History and exam

Key diagnostic factors

  • headache
More key diagnostic factors

Other diagnostic factors

  • seizures
  • nuchal rigidity
  • decreased level of consciousness
  • focal neurologic deficit
Other diagnostic factors

Risk factors

  • smoking
  • moderate- to high-level alcohol consumption
  • family history of¬†subarachnoid hemorrhage
  • previous subarachnoid hemorrhage
  • heritable connective tissue disease
  • hypertension
  • head trauma
  • intracranial infection
  • tumor
  • arteriovenous malformations or fistulas
  • drug abuse
More risk factors

Diagnostic investigations

1st investigations to order

  • conventional catheter-based angiogram
  • CT angiography
  • magnetic resonance angiography
More 1st investigations to order

Investigations to consider

  • CT head scan
  • lumbar puncture
More investigations to consider

Treatment algorithm

ACUTE

unruptured aneurysm

ruptured aneurysm

Contributors

Authors

Giovanni Grasso, MD, PhD

Associate Professor

Department of Clinical Neurosciences

Neurosurgical Unit

University of Palermo

Palermo

Italy

Disclosures

GG declares that he has no competing interests.

Acknowledgements

Dr Grasso would like to gratefully acknowledge Dr Michael Chen, the previous contributor to this topic. MC is an author of a reference cited in this topic.

Peer reviewers

Jae H. Choi, MD

Research Director

Stroke Center/The Neurological Institute

Columbia-Presbyterian Medical Center

New York

NY

Disclosures

JHC declares that he has no competing interests.

Peter Martin, MA, BM BCh, MD, FRCP

Consultant Neurologist

Addenbrookes Hospital

Cambridge

UK

Disclosures

PM declares that he has no competing interests.

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