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Focal Cerebral Ischemia Model by Endovascular Suture Occlusion of the Middle Cerebral Artery in the Rat
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Carotid dissection: a common cause of Horner's syndrome

C C Chan1, M Paine, J O'Day

  • 1Department of Neuro-Ophthalmology, The Royal Victorian Eye and Ear Hospital, East Melbourne, Australia. chunkeng@yahoo.com

Clinical & Experimental Ophthalmology
|January 10, 2002
PubMed

Insights

Internal carotid artery dissection frequently causes Horner's syndrome. Prompt diagnosis and anticoagulation treatment are crucial to prevent serious complications like carotid thrombosis and embolism.

Area of Science:

  • Neurology
  • Vascular Surgery
  • Ophthalmology

Background:

  • Internal carotid artery dissection (ICAD) is a significant cause of secondary Horner's syndrome.
  • Prompt diagnosis is essential for effective management and prevention of cerebrovascular events.

Observation:

  • Five case reports illustrate Horner's syndrome resulting from ICAD, with varied etiologies including trauma and spontaneous dissection.
  • Literature review confirms ICAD is an under-recognized cause of Horner's syndrome, often missed in clinical practice.

Findings:

  • Magnetic resonance imaging and angiography (MRA) of the head and neck are the preferred diagnostic modalities for ICAD.
  • Anticoagulation therapy for 3-6 months is the recommended treatment for carotid dissection.

Implications:

  • Clinicians should maintain a high index of suspicion for ICAD in patients presenting with Horner's syndrome, especially with concurrent head or neck pain.
  • Timely diagnosis and anticoagulation can prevent debilitating outcomes such as stroke and systemic embolism.
Abstract

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