Neurology Book


Carotid Artery Dissection

Aka: Carotid Artery Dissection
  1. See Also
    1. Cervical Artery Dissection
    2. Traumatic Carotid Dissection
    3. Vertebral Artery Dissection
    4. Vertebral Artery Injury in Blunt Neck Trauma
  2. Pathophysiology
    1. Most common Cervical Artery Dissection is of the Carotid Artery at 2-3 cm above Carotid Artery bifurcation
    2. Extracranial Internal Carotid Artery crosses over anterior Cervical Spine at C2-C3, at 2-3 cm above bifurcation
  3. Causes
    1. See Cervical Artery Dissection
  4. Findings
    1. Initial
      1. Ipsilateral Neck Pain
        1. Often present at onset
      2. Headache (most common)
        1. Sudden onset, unilateral, constant, throbbing Headache
        2. Thunderclap Headache may be present
      3. Horner Syndrome
        1. Typically partial Horner Syndrome (Miosis and Ptosis without Anhidrosis)
    2. Next
      1. Anterior cerebral ischemia
      2. Retinal ischemia
    3. Associated findings
      1. Carotid Bruit
      2. Focal neurologic deficits
        1. Often insidious or subtle developing over days to weeks
  5. Complications
    1. Anterior circulation Cerebrovascular Accident
    2. Expanding Hematoma
    3. Arterial Hemorrhage
    4. Aneurysm formation
      1. Local mass effect (esp. compression of CN 9, CN 10 and CN 12)
      2. Subarachnoid Hemorrhage
  6. Imaging
    1. See Cervical Artery Dissection
  7. Management
    1. See Cervical Artery Dissection
  8. References
    1. Hussein and Leiman (2022) Crit Dec Emerg Med 36(8): 4-8
    2. Blum (2015) Arch Neurosci 2(4) +PMID:26478890 [PubMed]

Carotid artery dissection (C0338585)

Concepts Disease or Syndrome (T047)
ICD9 443.21
ICD10 I77.71
SnomedCT 230729006
Italian Dissezione della arteria carotide
Japanese 頚動脈解離, ケイドウミャクカイリ
English dissection of carotid artery (diagnosis), dissection of carotid artery, Dissect carotid artery, dissection carotid artery, carotid artery dissection, Carotid artery dissection, Carotid artery dissection (disorder), Dissection of carotid artery
Czech Disekce arteria carotis
Hungarian Arteria carotis dissectio
Spanish disección de la arteria carótida (trastorno), disección de la arteria carótida, Disección de la arteria carótida
Portuguese Disecção da artéria carótida
Dutch arteria carotis dissecans
French Dissection de l'artère carotide
German Dissektion der Arteria carotis
Derived from the NIH UMLS (Unified Medical Language System)

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