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Cervical Carotid Artery Disease in Sickle Cell Anemia: Clinical and Radiological Features
Blood 118:6192-6199, Telfer, P.T.,et al, 2011
See this aricle in Pubmed

Article Abstract
Cervical internal carotid artery (cICA) occlusion is a recognized cause of acute ischemic stroke (AIS) in sickle cell disease (SCD), but the associated clinical and radiologic features are not well described. We reviewed data on cervical magnetic resonance angiography (cMRA) performed prospectively in 67 patients (55 children) for indications including transcranial Doppler (TCD) abnormalities, AIS, or previous AIS, cICA lesions were seen in 10 (15%) patients, including 4 of 7 patients presenting with AIS, and appear to have been missed on first presentation in 4 of 10 patients with previous AIS. Radiologic features in 7 patients were consistent with dissection. In 2 patients, there was strong clinical radiologic evidence for thromboembolic AIS, and this was also considered possible in 4 other patients. Three of the 4 AIS patients were anticoagulated acutely, and the nontreated patient had recurrent, probably thromboembolic, AIS, TCD findings were variable, but in 4 patients there were high velocities in the cerebral vessels contralateral to the cICA stenosis. We suggest that all the patients with AIS should have cMRA during acute evaluation to identify cICA occlusions that may require anticoagulation. Routine screening of children with SCD should also include evaluation of neck vessels by carotid Doppler followed by cMRA if a cervical vascular lesion is suspected.
 
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anticoagulant,treatment
anticoagulant,treatment in CVD
arterial dissection,carotid
arteriopathy
carotid artery disease
carotid artery occlusion,neck
carotid artery stenosis
cerebrovascular accident
cerebrovascular accident,infancy and childhood
cerebrovascular accident,young adult
children
duplex ultrasound
false negative
MRI,angiography
sickle cell disease
string sign
treatment of neurologic disorder

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