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Carotid Angioplasty Procedures News
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All Recent Carotid Angioplasty Procedures News |
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Characterization of vascular strain during in-vitro angioplasty with high-resolution ultrasound speckle tracking
Conclusion:
These results validate the ability of ultrasound elasticity imaging to measure localized mechanical changes in vascular tissue. (Source: Theoretical Biology and Medical Modelling)...
POSTED 08/19/2010 at 06:00 PM --
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Carotid stent removal of symptomatic plaque protrusion after carotid angioplasty stenting [Proposal for bail-out procedures - Carotid and imaging]
We treated two patients with asymptomatic high grade internal carotid artery stenosis, by carotid artery stenting (CAS) with embolus protection filters 75% and 70%, respectively (North American Symptomatic Carotid Endarterectomy criteria). The immediate cranial and carotid angiogram showed a good result with regular patency of carotid and cerebral vessels. In both cases, the CAS procedure was complicated with symptomatic embolism, in one case 6 h after CAS and the other one occuring after seven days. The duplex scan (DS) control revealed the presence of plaque protrusion intra-stent in both cases. An early treatment with stent removal and carotid surgery was performed <24 h after the presenting symptoms (in one case a standard endarterectomy in the other and a carotid bypass w......
POSTED 08/18/2010 at 11:18 AM --
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Carotid Angioplasty and Stenting: Where Have We Been, Where Are We, and Where Are We Going in the 21st Century
Stroke is the leading cause of disability in the United States and the third leading cause of death, behind heart disease and cancer. It is estimated that stroke accounts for the majority of all hospital admissions for acute neurological disease. The mortality rates following stroke range from 26% to 52%. The presence of carotid artery atherosclerosis predisposes patients to both transient ischemic attacks (TIA's) and strokes. (Source: Journal of Vascular Nursing)...
POSTED 08/17/2010 at 02:00 AM --
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Management of Stenosis of the Extracranial Internal Carotid Artery: Endarterectomy Versus Angioplasty and Stenting
Opinion statement Recent randomized clinical trial data support the safety and efficacy of carotid artery stenting and carotid endarterectomy
for treatment of symptomatic and asymptomatic carotid occlusive disease. Endarterectomy is more effective in preventing stroke,
but this may be countered by a higher risk of perioperative myocardial infarction. Age is an important determinant in selecting
patients for either carotid endarterectomy or stenting. Patients older than 70 years achieve better outcomes with endarterectomy,
and younger patients achieve better outcomes with stenting. Comparative clinical and anatomic durability of endarterectomy
and stenting will require additional follow-up from recently completed trials. The efficacy of carotid revascularization compare......
POSTED 08/13/2010 at 12:43 PM --
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[Correspondence] Carotid artery stenting versus endarterectomy for carotid stenosis
The International Carotid Stenting Study (ICSS; March 20, p 985), which compared carotid artery stenting with carotid endarterectomy in patients with symptomatic carotid artery stenosis, showed a higher incidence of stroke and death with stenting than with endarterectomy. As the ICSS investigators mention, these results are consistent with those seen in previous randomised trials comparing stenting with endarterectomy in symptomatic patients (Endarterectomy versus Stenting in Patients with Symptomatic Severe Carotid Stenosis [EVA-3S] and Stent-Protected Angioplasty versus Carotid Endarterectomy [SPACE]). (Source: LANCET)...
POSTED 07/29/2010 at 06:00 PM --
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Experimental study of Salvia Miltiorrhiza on the prevention of restenosis after angioplasty
Conclusions: The study raises the possibility that SM can be used to prevent clinical restenosis.
Content Type Journal ArticleCategory Experlmental Work and ResearchDOI 10.1007/BF02935372Authors
Xiao-Ming Zhou, Tongji Medical University Cardiology Department and Cardiovascular Research Laboratory, Tongji Hospital (430030) WuhanZai-Ying Lu, Tongji Medical University Cardiology Department and Cardiovascular Research Laboratory, Tongji Hospital (430030) WuhanDao-Wen Wang, Tongji Medical University Cardiology Department and Cardiovascular Research Laboratory, Tongji Hospital (430030) Wuhan
Journal Chinese Journal of Integrative MedicineOnline ISSN 1993-0402Print ISSN 1672-0415
Journal Volume Volume 3
Journal Issue Volume 3, Number 2 / June, 1997 (Source: Chinese Journal of ......
POSTED 07/27/2010 at 04:37 AM --
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[Cerebral haemodynamics during carotid angioplasty with flow interruption. The correlation between oximetry and transcranial Doppler ultrasonography.]
CONCLUSIONS. A significant correlation was found between the methods during the interruption of carotid flow, which means they can be used independently. Overall, 88.9% remained below the safety threshold for cerebral ischaemia and, given that the procedure can be carried out with brief interruptions, control by oximetry or TDU can be just as safe in evaluating cerebral ischaemia.
PMID: 20645265 [PubMed - in process] (Source: Revista de Neurologia)...
POSTED 07/23/2010 at 06:10 PM --
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Catheter-based neurosalvage for acute embolic complication during carotid intervention
Conclusions: Acute embolic complication during carotid artery stenting can be managed by catheter-based neurosalvage with effective angiographic recanalization and marginal clinical success. (Source: Journal of Vascular Surgery)...
POSTED 06/29/2010 at 06:00 PM --
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Acute increase of complexity in the neurocardiovascular dynamics following carotid stenting
Conclusions [ndash] Primary CAS can induce a recovery in the neurocardiovascular regulatory dynamics in patients with high-grade carotid stenosis. (Source: Acta Neurologica Scandinavica)...
POSTED 06/20/2010 at 06:00 PM --
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Inhibition of vascular smooth muscle cell proliferation of vitamin E derivative pentamethylhydroxychromane in an in vitro and in vivo study: Pivotal role of hydroxyl radical-mediated PLCgamma1 and JAK2 phosphorylation.
In conclusion, this study demonstrates for the first time that PMC inhibited VSMC proliferation in vitro, and balloon injury-induced neointimal formation in vivo. The inhibitory mechanisms of PMC may be involved in the inhibition of hydroxyl radical-mediated PLCgamma1-PKCdelta and JAK2-STAT3 activation, and causes cell cycle arrest at the G(2)/M phase. PMC treatment may represent a novel approach for lowering the risk of or improving the function in abnormal VSMC proliferation-related vascular diseases.
PMID: 20600839 [PubMed - as supplied by publisher] (Source: Free Radical Biology and Medicine)...
POSTED 06/18/2010 at 06:00 PM --
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He Who Pays the Piperâ¦
Not everything that can be counted counts, and not everything that counts can be counted.(Albert Einstein) The painting on the cover of this issue, depicting trickery inserted into a game with formal rules, was brought to mind while discussing randomized studies of carotid endarterectomy (CEA), the surgical solution to the threat of stroke posed by carotid artery plaques, that has undergone many trials to assert its worth first over aspirin, and now, carotid angioplasty/stenting (CAS). (Source: Annals of Vascular Surgery)...
POSTED 06/15/2010 at 09:30 AM --
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The role of carotid artery stenting for recent cerebral ischemia.
Authors: Bosiers M, Callaert J, Deloose K, Verbist J, Keirse K, Peeters P
Patients with cerebral ischemia as a result of acute cervical internal carotid artery occlusion are generally considered to have a poor prognosis. Despite maximal medical treatment, a better treatment for patients with acute ischemic stroke who present with serious neurologic symptoms on admission or continue to deteriorate neurologically due to a total occlusion, a dissection or a high-grade stenosis of the internal carotid artery is required. An effective intervention to improve their neurologic symptoms and clinical outcome has not yet been established and represents a challenging and complex problem. Treatment of acute symptomatic occlusion of the cervical internal carotid artery includes intravenous administ......
POSTED 05/31/2010 at 06:00 PM --
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Fibromuscular dysplasia: a rare disease that can mimic vasculitis
Abstract Fibromuscular dysplasia (FMD) is an uncommon angiopathy that occurs mainly in young to middle-aged female individuals. It
is an idiopathic, segmental, non-inflammatory and non-atherosclerotic vascular disease leading to stenosis of small- and medium-sized
arteries. Clinical manifestations are determined by the artery involved, most commonly hypertension (renal artery) and stroke
(carotid artery). When FMD affects multiple vascular beds, it may mimic a systemic vasculitis. Here, we present the case of
a young female patient with FMD. The patient had a clinical history of bilateral internal carotid artery dissection that required
surgical repair. Since a systemic vascular disease was suspected, abdominal angiography was done, showing evidence of a âstring
of beads......
POSTED 05/19/2010 at 06:19 AM --
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Health-Related Quality of Life Following Carotid Stenting Versus Endarterectomy: Results From the SAPPHIRE (Stenting and Angioplasty with Protection in Patients at HIgh Risk for Endarterectomy) Trial
Conclusions
Among patients at high surgical risk, CAS was associated with less health status impairment during the first 2 weeks of recovery when compared with CEA. However, these differences had resolved by 1 month after the procedure, and no other differences between revascularization strategies in health-related quality of life were found. (Source: Journal of the American College of Cardiology: Cardiovascular Interventions)...
POSTED 05/17/2010 at 04:01 PM --
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Percutaneous transluminal angioplasty and stenting for carotid stenosis: a Cochrane review
(Source: Journal of Neurology, Neurosurgery and Psychiatry)...
POSTED 05/11/2010 at 12:40 PM --
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Percutaneous Endovascular Treatment of Innominate Artery Lesions: A Single-centre Experience on 77 Lesions
Abstract: Purpose: To assess primary success and safety of percutaneous transluminal angioplasty and/or stenting of innominate artery lesions and to compare its 30-day stroke/mortality level with the literature data.Methods: A total of 72 patients (77 stenoses, five recurrent, 58 symptomatic and 39 female) with seven innominate vessel occlusions, nine subocclusive lesions and 61 significant (>60%) stenoses of innominate artery treated between 2000 and 2009 were retrospectively reviewed. With the exception of seven, all procedures were performed using a transfemoral approach. A stent was implanted in 49 (63.6%) cases. Follow-up included neurological examination, carotid duplex scan and office/telephone interview.Results: Primary technical success was 93.5% (72/77). There was neither peripro......
POSTED 05/02/2010 at 06:00 PM --
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Indirect Reperfusion in the Setting of Symptomatic Carotid Occlusion by Treatment of Bilateral Vertebral Artery Origin Stenoses
Conclusions: Stenting and angioplasty of a stenosis of an artery providing indirect blood flow to the territory of an occluded ipsilateral vessel can stabilize neurologic decline and improve CT perfusion parameters. (Source: Journal of Stroke and Cerebrovascular Diseases)...
POSTED 04/30/2010 at 06:00 PM --
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Free Floating Thrombus Developed on a Residual Carotid Intimal Flap after Carotid Endarterectomy. Diagnosis and Treatment
Dear Editor, In October 2006, a 75-year-old man was referred to us and scheduled for treatment after he was diagnosed with a tight asymptomatic carotid restenosis of the right internal carotid artery (ESCT criteria: 85% diameter, PSV 500 cm/s; EDV 160 cm/s) detected with a echo-color Doppler (ECD) sonography over a follow-up time; the suspicious for presence of a thrombus connected with the plaque was also considered. Past medical history showed chronic obstructive pulmonary disease (COPD), transurethral resection of bladder (TURB), PTCA (2000), carotid endarterectomy (CEA) of the right internal carotid artery (ICA) with patch angioplasty (2001), aorto-bifemoral bypass (2003), dyslipidemia, and hypertension. To get a better diagnostic evaluation, a selective angiography of the right carot......
POSTED 04/30/2010 at 06:00 PM --
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Early Neurologic Outcome after Bovine Pericardium versus Venous Patch Angioplasty in 599 Patients Undergoing Carotid Endarterectomy.
Authors: Bisdas T, Pichlmaier M, Bisdas S, Haverich A, Teebken OE
Bovine pericardium was compared to great saphenous vein patch angioplasty regarding the neurologic events after carotid endarterectomy (CEA) with or without concomitant cardiac surgery (CS). From January 1996 to December 2007, 599 patients undergoing CEA (259 with concomitant CS) were enrolled; 456 patients were treated with the great saphenous vein (GSV group) and 143 were treated with bovine pericardium (BP group). Neurologic outcome and Rankin score (RS) were recorded after 24 hours and 30 days. We found comparable rates of neurologic complications (transient ischemic attack, stroke) between the two groups. Thirty-day mortality was 4% (17 of 456 patients) in the GSV group and 0% in the BP group (p = .12). None of the ......
POSTED 04/30/2010 at 06:00 PM --
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Carotid revascularization: an update.
Authors: O'Kelly CJ, Butcher KS, Marchak BE, Findlay JM
Symptomatic extracranial internal carotid artery stenosis poses a high short-time risk of ischemic cerebral stroke, as high as 20% to 30% in the first three months. Timely performed carotid endarterectomy (CEA) has been shown to be highly effective in reducing this risk although, in recent years, there has been great interest in replacing this procedure with less invasive carotid angioplasty and stenting (CAS). In this update we review recent studies and provide recommendations regarding the indications, methods and timing of surgical intervention as well as the anaesthetic management of CEA, and we report on recently published randomized controlled trials comparing CEA to CAS. We also provide recommendations regarding the sometim......
POSTED 04/30/2010 at 06:00 PM --
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