[Carotid occlusive disease presenting with loss of consciousness]

Daina Kashiwazaki1, Satoshi Kuroda, Shunsuke Terasaka

  • 1Department of Neurosurgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan.

Insights

Occlusive carotid artery disease can cause syncope (loss of consciousness). This study found that treating these conditions, via surgery or medication, prevented further fainting episodes in male patients.

Area of Science:

  • Neurology
  • Vascular Surgery
  • Radiology

Context:

  • Syncope, or fainting, can be a symptom of serious underlying conditions.
  • Occlusive carotid artery disease involves blockages in the neck arteries supplying the brain.

Purpose:

  • To investigate the link between occlusive carotid artery disease and syncope.
  • To evaluate the outcomes of treating these patients.

Summary:

  • Nine male patients (59-83 years) with syncope due to internal carotid artery (ICA) occlusion or severe stenosis were studied.
  • Imaging revealed cerebral infarction in some patients, with reduced cerebral perfusion reserve noted in four.
  • Surgical revascularization or medical management successfully resolved syncope in all patients during follow-up.

Impact:

  • Highlights the importance of considering carotid artery disease in the differential diagnosis of syncope.
  • Demonstrates the effectiveness of surgical and medical interventions in managing syncope secondary to carotid artery disease.

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