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  • neck
  • The internal carotid artery is a major paired artery, one on each side of the head and neck, in human anatomy. (wikipedia.org)
  • It is relatively superficial at its start, where it is contained in the carotid triangle of the neck, and lies behind and medial to the external carotid, overlapped by the sternocleidomastoid muscle, and covered by the deep fascia, the platysma, and integument: it then passes beneath the parotid gland, being crossed by the hypoglossal nerve, the digastric muscle and the stylohyoid muscle, the occipital artery and the posterior auricular artery. (wikipedia.org)
  • less than 50
  • If CAS is present but blocking less than 50% of the artery, treatment includes reducing risk factors for further stenosis, like smoking cessation, lower fat diets, and prescribed exercise. (wisegeek.com)
  • extracranial
  • Extracranial carotid artery aneurysms are uncommon and occur in a broad range of patients due to many etiologies. (uptodate.com)
  • Overall, extracranial carotid artery aneurysm accounts for less than 1 percent of all arterial aneurysms and approximately 4 percent of peripheral artery aneurysms [ 1-3 ]. (uptodate.com)
  • Repair of extracranial carotid artery aneurysm represents 0.2 to 5 percent of carotid procedures depending upon the reporting institution [ 4 ]. (uptodate.com)
  • ASA/ACCF/AHA/AANN/AANS/ACR/ASNR/CNS/SAIP/SCAI/SIR/SNIS/SVM/SVS guideline on the management of patients with extracranial carotid and vertebral artery disease: executive summary. (springer.com)
  • In some cases, blood flow in the ICA and ECA is maintained by collateral circulation via extracranial branches through the retrograde external carotid artery. (hindawi.com)
  • Strokes
  • Strokes can also occur if blood clots form in the carotid arteries and totally block blood flow. (bidmc.org)
  • Carotid artery disease causes more than a third of all strokes, which strike more than 750,000 people in the United States each year. (lohud.com)
  • Firstly, Irvine and colleagues state that 20-30% of strokes may be related to carotid disease, citing a paper by Timsit et al. (bmj.com)
  • It is estimated that of the 600,000 strokes occurring each year in the US alone, approximately one fourth to one half are caused by carotid artery stenosis. (wisegeek.com)
  • About 30 percent of strokes are caused by narrowings in the carotid arteries (the main blood vessels that supply the brain). (keepingyouwell.com)
  • surgical
  • Specific efforts include evaluating treatment options for asymptomatic carotid artery disease and surgical techniques for treating symptomatic carotid artery disease as well as assessing which techniques offer best outcomes in light of advances in both medical therapy and surgical techniques. (mayoclinic.org)
  • Doppler
  • This can be done by evaluating the carotid Doppler and maybe even perfoming a transcranial doppler to evaluate the posterior circulation. (medhelp.org)
  • embolic
  • The GORE® Embolic Filter features a unique diamond frame that expands the safety of neuro protection during carotid interventions in an easy-to-use solution. (goremedical.com)
  • Endovascular
  • Endovascular repair is more often initially chosen for patients with pseudoaneurysms due to traumatic mechanisms or as a result of carotid dissection. (uptodate.com)
  • walls
  • Over time, the walls of affected arteries thicken and become stiff and the blood vessel may also become narrowed (a condition called stenosis ), limiting blood flow. (radiologyinfo.org)