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- W2382341956 abstract "Objective To explore the value of transcranial contrast-enhanced ultrasound in intracranial arterial stenosis and occlusion disease.Methods Tracranial sonogrphy was performed in 59 patients before and after injection of ultrasound contrast agent.The display rate of intracranial arteries were compared before with after injecion contrast agent.The blood flow characteristics of transcranial contrast-enhanced ultrasound in the intracranial artery stenosis and occlusion disease were summarized and compared with MRA or DSA.Results The display rate of anterior cerebral artery(ACA),middle cerebral artery(MCA),posterior cerebral artery(PCA)improved obviously by contrast-enhanced transcranial color sonography(CE-TCCS)compared with conventional transcranial color sonography(TCCS),in which the difference of the display rate of MCA(M2 segment),ACA(A1,A2 segment),PCA(P1,P2 segment)between CE-TCCS and TCCS were statistically significant(P0.01).The display rate of 21 cases of vertebral-basilar artery was 71.3%(15/21)before injection of contrast agent,and the display rate was 100% after injection of contrast agent.Three cases of MCA occlusion,15 cases of MCA stenosis,3 cases of ACA stenosis,2 cases of PCA stenosis,4 cases of intracranial segment of internal carotid artery occlusion,7 cases of intracranial internal carotid artery stenosis were detected by CE-TCCS.Three cases of occlusion and 8 cases of stenosis of extracranial carotid artery were showed and the velocity of ipsilateral intracranial arterie reduced.The velocity was in the normal range of 2 cases of MCA stenosis after stent implantation.All results were confirmed by MRA or DSA.Conclusion Transcranial contrast-enhanced ultrasound can increase the display rate of intracranial arteries,which contribute to determine the intracranial arterial stenosis.In addition,it can be used to evaluate the stent implantation of intracranial artery stenosis." @default.
- W2382341956 created "2016-06-24" @default.
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- W2382341956 date "2010-01-01" @default.
- W2382341956 modified "2023-09-28" @default.
- W2382341956 title "The application of transcranial contrast-enhanced ultrasound in intracranial arterial stenosis and occlusion disease" @default.
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