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Intravascular ultrasonography assisted carotid artery stenting for treatment of carotid stenosis: Two case reports

World Journal of Clinical Cases 2023年第29期11卷 7127-7135页

作者： Peng-Cheng Fu Jing-Yi Wang Ying Su Yu-Qi Liao Shao-Ling Li Ge-Lin Xu Yan-Jiao Huang Ming-Hua Hu Li-Ming Cao Department of Neurology The First Affiliated Hospital of Shenzhen UniversityShenzhen 518000Guangdong ProvinceChina Faculty of Chinese Medicine Macao University of Science and TechnologyMacao 999078China Graduate School Guangzhou Medical UniversityGuangzhou 511495Guangdong ProvinceChina School of Medicine Shenzhen UniversityShenzhen 518000Guangdong ProvinceChina Medical Department Baise People’s HospitalBaise 533000Guangxi Zhuang Autonomous RegionChina Hunan Provincial Key Laboratory of the Research and Development of Novel Pharmaceutical Preparations Changsha Medical UniversityChangsha 410219Hunan ProvinceChina Clinical College of the Shenzhen Second People’s Hospital Anhui Medical UniversityShenzhen 518000Guangdong ProvinceChina

BACKGROUND Digital subtraction angiography(DSA),the gold standard of cerebrovascular disease diagnosis,is limited in its diagnostic ability to evaluate arterial *** ultrasonography(IVUS)has advantages in assessing stenosis and plaque nature and improves the evaluation and effectiveness of carotid artery sten-ting(CAS).CASE SUMMARY Case 1:A 65-year-old man presented with a five-year history of bilateral lower limb weakness due to *** examination showed decreased strength(5-/5)in both lower *** artery ultrasound,magnetic resonance angiography,and computed tomography angiography(CTA)showed a right proximal internal carotid artery(ICA)stenosis(70%-99%),acute cerebral infarction,and severe right ICA stenosis,*** performed IVUS-assisted CAS to measure the stenosis and detected a low-risk plaque at the site of stenosis prior to stent ***-stent balloon dilatation was performed and postoperative IVUS demonstrated successful expansion and *** six months postoperatively showed no significant increase in in-stent *** 2:A 36-year-old man was admitted with a right common carotid artery(CCA)dissection detected by *** examination showed no positive neurological *** ultrasound and CTA showed lumen dilation in the proximal CCA with an intima-like structure and bulging in the proximal segment of the right CCA with strip-like low-density shadow(dissection or carotid web).IVUS-assisted DSA confirmed right CCA *** was performed and intraoperative IVUS suggested a large residual false ***-stent balloon dilatation was performed reducing the false *** three months postoperatively indicated good stent expansion with mild *** IVUS aids decision-making during CAS by accurately assessing carotid artery wall lesions and plaque nature preoperatively,dissection and stenosis morphology intraoperatively,and visualizing and confirming CAS postoperati

关键词： Intravascular ultrasonography Carotid artery stenting Carotid stenosis arteriosclerotic stenosis Carotid artery dissection Case report

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