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Author Spotlight: Assessing Ischemic Stroke Damage Through Middle Cerebral Artery Occlusion Model
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Author Spotlight: Assessing Ischemic Stroke Damage Through Middle Cerebral Artery Occlusion Model

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Internal carotid artery occlusion: its natural history including recanalization and subsequent neurological events

G Morris-Stiff1, M Teli, P Y Khan

  • 11Department of Surgery, Royal Glamorgan Hospital, Llantrisant, United Kingdom.

Vascular and Endovascular Surgery
|October 17, 2013
PubMed

Insights

Recanalization of internal carotid artery (ICA) occlusion is common, occurring in 10.3% of patients. This condition is linked to significant neurological events, underscoring the need for duplex ultrasound follow-up.

Area of Science:

  • Vascular Neurology
  • Cerebrovascular Disease
  • Diagnostic Imaging

Background:

  • Internal carotid artery (ICA) occlusion poses a risk for cerebrovascular events.
  • Understanding the natural history of ICA occlusion, including recanalization, is crucial for patient management.
  • Duplex ultrasound is a key diagnostic tool in assessing carotid artery disease.

Purpose of the Study:

  • To determine the incidence of recanalization in patients with internal carotid artery (ICA) occlusion.
  • To establish the natural history and clinical significance of ICA occlusion recanalization.
  • To evaluate the role of duplex ultrasound in monitoring ICA occlusions.

Main Methods:

  • Retrospective identification of 153 patients with duplex-confirmed ICA occlusions.
  • Follow-up scanning offered to a subgroup of patients.
  • Recording of antemortem condition and cause of death for deceased patients.

Main Results:

  • Recanalization occurred in 10.3% (8/77) of patients with ICA occlusion, with a median time of 53 months.
  • Seven of eight recanalized cases were confirmed by carotid endarterectomy.
  • 29% of patients experienced further neurological events, and 23% of deaths were attributed to cerebrovascular accidents in the occluded ICA territory.

Conclusions:

  • Recanalization of internal carotid artery occlusion is a notable finding.
  • Recanalization is associated with significant neurological events.
  • Regular duplex ultrasound follow-up is essential for patients with ICA occlusion.
Abstract

Keywords:
carotid endarterectomycerebrovascular accidentinternal carotid arteryocclusionrecanalization

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