Diagnostic value of head and neck computed tomography angiography in combination with color Doppler ultrasonography in carotid artery stenosis in ischemic stroke patients

Background: to investigate the diagnostic value of head and neck computed tomography angiography (cta) in combination with color doppler ultrasonography (cdus) in carotid artery stenosis in ischemic stroke (is) patients. materials and methods: dsa examination was performed on all patients, and they were separated into mild group, moderate group, as well as severe group (n=30) according to the degree of vascular stenosis. head and neck cta and cdus were used to examine the plaque length, thickness, and quantity of each group. the total plaque area, carotid intima-media thickness (imt), common carotid artery index (cca), internal carotid artery index (ica) as well as vertebral artery index (va) were compared. results: a total of 110 narrow blood vessels were detected by cta combined with ultrasound, and had a higher accuracy rate. the total plaque area, length, thickness and number of plaques, the values of cca, ica and va, and imt in the moderate together with severe groups presented higher relative to the mild group, and those in severe group presented elevated relative to the moderate group (p < 0.05). the sensitivity, specificity and accuracy of the combined detection of head and neck cta and cdus in the diagnosis of vascular stenosis in is patients were higher relative to the single detection (p < 0.05). conclusion: head and neck ct angiography in combination with cdus has a high application value in detecting carotid artery stenosis in is patients, and provides an important reference value for the formulation of the next treatment plan and the assessment of patient prognosis.