CV

Carotid Artery Dissection

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Carotid Artery Dissection

  • Pathophysiology
  1. Most common Cervical Artery Dissection is of the Carotid Artery at 2-3 cm above Carotid Artery bifurcation
  • Findings
  1. Initial
    1. Headache (most common)
      1. Sudden onset, unilateral constant, throbbing Headache
      2. Thunderclap Headache may be present
    2. Ipsilateral Neck Pain
    3. Horner Syndrome
      1. Typically partial Horner Syndrome (Miosis and Ptosis without Anhidrosis)
  2. Later
    1. Anterior cerebral ischemia
    2. Retinal ischemia
  • Complications
  1. Anterior circulation Cerebrovascular Accident
  2. Aneurysm formation
    1. Local mass effect (esp. compression of CN 9, CN 10 and CN 12)
    2. Subarachnoid Hemorrhage