Development and rupture of a de novo basilar artery aneurysm after surgical removal of a cerebellar arteriovenous malformation

S. Brock, S. Giombini, E. Ciceri

Research output: Contribution to journalArticlepeer-review

Abstract

Background. The de novo development of an aneurysm in an previously normal artery is an uncommom event. We describe a patient who developed a de novo bleeding aneurysm of the basilar artery in the three weeks following the surgical removal of a large cerebellar AVM. Method-findings. A 48-year-old man suddenly developed transient headache, vertigo and disturbance of balance. Neuroradiological examinations showed the presence of a large AVM of the right cerebellar hemisphere. The AVM was removed successfully; following the operation there were repeated bleeding episodes at the operating site, requiring surgical evacuation. Three weeks after the AVM removal he suffered from a massive subarachnoid haemorrhage due to the rupture of an aneurysm developed de novo in the basilar artery. Interpretation. This is the first reported case, to our knowledge, of a de novo aneurysm developed in an artery hemodynamically related to a surgically removed AVM. This complication was probably due to the postoperative hemodynamic changes in the vessels afferent to the AVM, associated with arterial wall dysplasia.

Original languageEnglish
Pages (from-to)1117-1120
Number of pages4
JournalActa Neurochirurgica
Volume145
Issue number12
DOIs
Publication statusPublished - Dec 2003

Keywords

  • Arteriovenous malformation
  • De novo aneurysm
  • Subarachnoid haemorrhage

ASJC Scopus subject areas

  • Clinical Neurology
  • Surgery

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