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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Wong, George Kwok Chu Yu, Simon Chun Ho Siu, Deyond Yung Woon Poon, Wai Sang |
| Description | Country affiliation: China Author Affiliation: Wong GK ( Department of Neurosurgery, the Chinese University of Hong Kong, China. georgewong@surgery.cuhk.edu.hk) |
| Abstract | A flow-diverting stent is placed in the parent artery to reduce blood flow in the aneurysm sac to facilitate progressive thrombosis and neointimal remodeling while maintaining outflow in the side branches and perforators. All international multicenter registries have reported on the progressive occlusion of aneurysms with time and have implied that an occluded aneurysm would not recanalize given the protective effect of the altered hemodynamics. Recanalization of an occluded aneurysm after placement of a flow-diverting stent has not been reported in the literature. The authors here describe a case of aneurysm recanalization after immediate thrombotic occlusion of the aneurysm with a flow-diverting stent. A 46-year-old male chronic smoker with chronic hypertension and hypercholesterolemia had a recurrent internal carotid artery aneurysm 1 year after embolization. Immediate thrombotic occlusion of the aneurysm and cessation of blood flow to the posterior communicating artery (PCoA) occurred immediately after activating a flow-diverting stent, with corresponding ischemic complications. However, 3 months after insertion of the stent, follow-up MR angiography showed recanalization of the aneurysm as well as of the PCoA. Additional angiography studies at 6 months showed near-total occlusion of the aneurysm with the restoration of blood flow to the PCoA. |
| File Format | HTM / HTML |
| ISSN | 00223085 |
| e-ISSN | 19330693 |
| Journal | Journal of Neurosurgery |
| Issue Number | 4 |
| Volume Number | 116 |
| Language | English |
| Publisher | American Association of Neurological Surgeons |
| Publisher Date | 2012-04-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Discipline Neurosurgery Aneurysm Therapy Carotid Artery Diseases Carotid Artery Thrombosis Carotid Artery, Internal Stents Angiography, Digital Subtraction Cerebral Angiography Embolization, Therapeutic Equipment Failure Recurrence Retreatment Subarachnoid Hemorrhage Tomography, X-ray Computed Treatment Failure |
| Content Type | Text |
| Resource Type | Case study Article |
| Subject | Neurology (clinical) Surgery |
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