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Intravascular ultrasonography-guided stent angioplasty of an extracranial vertebral artery dissection.

Abstract
The authors report on a case of intravascular ultrasonography (IVUS)-guided stent angioplasty for iatrogenic extracranial vertebral artery (VA) dissection in a 49-year-old man after coil embolization for an unruptured aneurysm of the right posterior inferior cerebellar artery. Insignificant dissections occurred during the procedure. Postoperatively, the patient experienced gradually worsening posterior neck pain and headache, and follow-up angiography 8 months after the coil embolization revealed expansion of the dissection. The patient underwent stent angioplasty with IVUS guidance and his symptoms improved. To the authors' knowledge, this is the first report of IVUS-guided stent angioplasty of an extracranial VA dissection. It was safe and feasible to treat extracranial VA dissections with stent placement under IVUS guidance. Intravascular environments are in real time with IVUS, and this technique is useful in the confirmation of a true lumen and evaluation of appropriate stent apposition. More clinical experience with this technique is necessary and mandatory, and devices with smaller diameters with improved trackability are essential for further introduction of IVUS into the field of endovascular neurosurgery.
AuthorsWon-Ki Yoon, Young-Woo Kim, Sang-Don Kim, Ik-Seong Park, Min-Woo Baik, Seong-Rim Kim
JournalJournal of neurosurgery (J Neurosurg) Vol. 109 Issue 6 Pg. 1113-8 (Dec 2008) ISSN: 0022-3085 [Print] United States
PMID19035728 (Publication Type: Case Reports, Journal Article)
Topics
  • Angioplasty (methods)
  • Embolization, Therapeutic (adverse effects)
  • Humans
  • Iatrogenic Disease
  • Intracranial Aneurysm (therapy)
  • Male
  • Middle Aged
  • Stents
  • Ultrasonography, Interventional (methods)
  • Vertebral Artery (ultrasonography)
  • Vertebral Artery Dissection (surgery)

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