Hemorrhagic complications after endovascular therapy for atherosclerotic intracranial arterial stenoses

Tomoaki Terada1, Mitsuharu Tsuura, Hiroyuki Matsumoto

  • 1Department of Neurological Surgery, Wakayama Medical University, Wakayama City, Japan. teradato@wakayama-med.ac.jp

Neurosurgery
|July 11, 2006
PubMed

Insights

Hemorrhagic complications occurred in 3% of intracranial angioplasty or stenting procedures. Hyperperfusion syndrome was a likely cause in 2% of cases, highlighting risks of revascularization treatments.

Area of Science:

  • Neurology
  • Interventional Neuroradiology
  • Vascular Surgery

Background:

  • Intracranial arterial stenoses pose a risk for stroke.
  • Percutaneous transluminal angioplasty (PTA) and stenting are treatment options.
  • Hemorrhagic complications are a potential adverse event.

Observation:

  • A study analyzed 106 procedures (99 patients) for intracranial arterial stenosis.
  • Hemorrhagic complications occurred in 4 procedures (3%).
  • Causes included intracerebral hemorrhage, subarachnoid hemorrhage, and hemorrhagic infarction.

Findings:

  • Two cases of intracerebral hemorrhage were linked to hyperperfusion syndrome.
  • Hemodynamic compromise was identified in three patients with hemorrhage.
  • Hemorrhagic infarction occurred after recanalization of stent thrombosis.

Implications:

  • PTA and stenting for intracranial stenosis carry a procedural hemorrhagic risk.
  • Hyperperfusion syndrome is a significant concern post-revascularization.
  • Careful patient selection and monitoring are crucial to mitigate risks.
Abstract

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