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Aneurysm embolization

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https://www.readbyqxmd.com/read/29650782/treatment-of-distal-anterior-cerebral-artery-aneurysms-with-flow-diverter-stents-a-single-center-experience
#1
F Cagnazzo, M Cappucci, C Dargazanli, P-H Lefevre, G Gascou, C Riquelme, A Bonafe, V Costalat
BACKGROUND AND PURPOSE: Flow diversion for aneurysms beyond the circle of Willis is still debated. Our aim was to evaluate the safety and efficacy of flow diversion treatment of distal anterior cerebral artery aneurysms. MATERIALS AND METHODS: Consecutive patients with distal anterior cerebral artery aneurysms treated from January 2014 to October 2017 were evaluated retrospectively with prospectively maintained data. Treatment was performed only for unruptured or recanalized aneurysms after coiling...
April 12, 2018: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29643879/transesophageal-echocardiography-in-cardiogenic-embolic-cerebral-infarction
#2
Wen Chu, Hua Wang
Objective: To evaluate the diagnostic values of transesophageal echocardiography (TEE) and transthoracic echocardiography (TTE) in cardiogenic embolic cerebral infarction. Methods: Fifty patients with occult cerebral infarction who were admitted to the hospital between June 2015 and June 2016 were selected as research subjects. The patients were diagnosed by transesophageal echocardiography and transthoracic echocardiography. Diagnostic data were compared to analyze the values of the two diagnostic methods...
January 2018: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29629254/multimodality-imaging-and-clinical-significance-of-congenital-ventricular-outpouchings-recesses-diverticula-aneurysms-clefts-and-crypts
#3
REVIEW
Alberto Cresti, Pierpaolo Cannarile, Elena Aldi, Marco Solari, Bruno Sposato, Luca Franci, Ugo Limbruno
The high spatial resolution of cardiac computed tomography (CT) and cardiac magnetic resonance (CMR) permit the diagnosis of congenital ventricular outpouchings (CVOs), including congenital ventricular diverticula (CVD), congenital ventricular aneurysms (CVA), clefts, and crypts. A unique classification has not been established, and these terms are used interchangeably with confounding terminology. Moreover, their significance is not univocal. A research was performed using PubMed on six subjects: (1) congenital left ventricular outpouchings; (2) congenital ventricular diverticulum; (3) congenital ventricular aneurysm; (4) ventricular clefts; (5) ventricular crypts; and (6) ventricular crevices...
January 2018: Journal of Cardiovascular Echography
https://www.readbyqxmd.com/read/29628950/safety-assessment-of-endovascular-treatment-of-cerebral-aneurysms-in-patients-with-fibromuscular-dysplasia
#4
Matthew T Bender, Christopher Hurtado, Bowen Jiang, Jessica K Campos, Judy Huang, Rafael J Tamargo, Li-Mei Lin, Alexander L Coon, Geoffrey P Colby
Background: The prevalence of cerebral aneurysms is increased in fibromuscular dysplasia (FMD). The presence of FMD may serve as discouragement to elective endovascular aneurysm treatment. Outcomes of endovascular intervention for aneurysms through vessels affected by FMD have not been reported. Methods: A prospectively maintained database of patients undergoing intracranial embolization was reviewed for patients with FMD who underwent endovascular aneurysm treatment...
February 2018: Interventional Neurology
https://www.readbyqxmd.com/read/29628946/a-prospective-multicenter-trial-of-the-transform-occlusion-balloon-catheter-trial-design-and-results
#5
M Asif Taqi, Syed A Quadri, Ajit S Puri, Brian F Fitzsimmons, Jianhua Nancy Jin, Ansaar T Rai, Curtis A Given, Javier Masso, Ciaran J Powers, Joey D English, Osama O Zaidat
Background and Purpose: Adjunctive treatments like balloon-assisted coil embolization (BACE) and stent-assisted coil embolization play a major role in the treatment of wide-neck and large intracranial aneurysms. The TransForm™ Occlusion Balloon Catheter (TOBC) registry is intended to evaluate the safety, efficacy, and efficiency of BACE using the TOBC. Method and Study Design: The TOBC registry is a prospective multicenter registry trial. Seven sites in the USA and 1 site in Spain participated and enrolled 81 patients...
February 2018: Interventional Neurology
https://www.readbyqxmd.com/read/29628943/provocative-testing-prior-to-anterior-cerebral-artery-fusiform-aneurysm-embolization
#6
Pouria Moshayedi, Dan-Victor Giurgiutiu, Andrew F Ducruet, Brian T Jankowitz, Ashutosh P Jadhav
We report 2 cases of parent artery occlusion (PAO) for anterior cerebral artery (ACA) fusiform aneurysm embolization after superselective provocative testing was performed to confirm distal territory viability. The first case involves a patient in the second decade of life who presented with subarachnoid hemorrhage and underwent PAO after a balloon test occlusion in the distal ACA revealed no neurophysiology changes. The second case involves another patient in the forth decade of life who presented with an enlarging pseudoaneurysm and underwent PAO after a sodium amobarbital infusion in the distal ACA revealed no clinical change...
February 2018: Interventional Neurology
https://www.readbyqxmd.com/read/29627015/spinal-cord-infarction-clinical-and-imaging-insights-from-the-periprocedural-setting
#7
Nicholas L Zalewski, Alejandro A Rabinstein, Karl N Krecke, Robert D Brown, Eelco F M Wijdicks, Brian G Weinshenker, Derrick A Doolittle, Eoin P Flanagan
OBJECTIVE: Describe the range of procedures associated with spinal cord infarction (SCI) as a complication of a medical/surgical procedure and define clinical and imaging characteristics that could be applied to help diagnose spontaneous SCI, where the diagnosis is often less secure. METHODS: We used an institution-based search tool to identify patients evaluated at Mayo Clinic, Rochester, MN from 1997 to 2016 with a periprocedural SCI. We performed a descriptive analysis of clinical features, MRI and other laboratory findings, and outcome...
May 15, 2018: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/29626682/patterns-predictors-and-outcomes-of-post-procedure-delayed-hemorrhage-following-flow-diversion-for-intracranial-aneurysm-treatment
#8
A C White, D A Kumpe, C D Roark, D E Case, J Seinfeld
PURPOSE: To evaluate patterns, predictors, and outcomes of post procedure delayed hemorrhage (PPDH) following flow diversion therapy for intracranial aneurysm. METHODS: 50 patients with 52 aneurysms were treated from 2012-2016 with the Pipeline Embolization Device (PED; Medtronic, Minneapolis, MN). PED placement was performed as a standalone therapy or with adjunctive coil embolization. Patients underwent dual antiplatelet therapy (DAT) for 6 months following treatment...
April 4, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29625853/symptomatic-delayed-coil-migration-after-balloon-assisted-embolization-an-underreported-adverse-event
#9
Lino Fonseca, Rafael Najarro-Quispe, Ana Rodríguez-Hernández, Ramon Torné, Dario Gándara-Sabatini, Fuat Arikan, Pilar Baños-Carrasco
Microsurgical clipping is still regarded as the gold-standard treatment for broad-neck intracranial aneurysms. New endovascular techniques like balloon or stent assisted coiling are quickly rising to the challenge and showing promising outcomes. As a result, broad-neck aneurysms are increasingly addressed by these techniques despite they have not been tested against clipping in a randomized controlled trial and long-term complications might be unknown yet. Intraprocedural coil migration has been well documented in the literature, but the same complication in a delayed fashion is scarcely reported...
April 3, 2018: Neurocirugía
https://www.readbyqxmd.com/read/29624153/occlusion-rates-of-intracranial-aneurysms-treated-with-the-pipeline-embolization-device-the-role-of-branches-arising-from-the-sac
#10
Felipe Padovani Trivelato, Marco Túlio Salles Rezende, Alexandre Cordeiro Ulhôa, Luis Henrique de Castro-Afonso, Guilherme Seizem Nakiri, Daniel Giansante Abud
OBJECTIVE The aim of this study was to compare the clinical and angiographic outcomes of intracranial aneurysms with and without branches arising from the sac after Pipeline embolization device (PED) treatment. METHODS This retrospective 2-center comparative study included 116 patients with 157 aneurysms that were treated with PEDs. Aneurysms were divided into 2 groups: one group had branches arising from the sac and the other group did not. Study end points included total aneurysm occlusion assessed by angiography at 6 and 12 months, death or stroke, technical complications, in-stent stenosis, patency of covered branches, and transient ischemia...
April 6, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29614363/antiplatelet-premedication-free-stent-assisted-coil-embolization-in-acutely-ruptured-aneurysms
#11
Hyun Ho Choi, Young Dae Cho, Moon Hee Han, Won-Sang Cho, Jeong Eun Kim, Jung Jun Lee, Sang Joon An, Jong Hyeon Mun, Dong Hyun Yoo, Hyun-Seung Kang
INTRODUCTION: Stent-assisted coil embolization (SAC) is one of the treatment options for patients with intracranial aneurysms. The purpose of this study was to assess clinical outcomes of patients who underwent coil embolization for acutely ruptured aneurysms without antiplatelet premedication. METHODS: A total of 449 patients with acutely ruptured aneurysms underwent endovascular treatment without antiplatelet premedication between April 2006 and October 2015. Among them, 55 patients underwent SAC (SAC group) and 394 underwent coiling without stent assistance (non-SAC group)...
March 31, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29608747/pharmacy-mediated-antiplatelet-management-protocol-compared-to-one-time-platelet-function-testing-prior-to-pipeline-embolization-of-cerebral-aneurysms-a-propensity-score-matched-cohort-study
#12
Christoph J Griessenauer, Abhi Jain, Alejandro Enriquez-Marulanda, Raghav Gupta, Nimer Adeeb, Justin M Moore, Stacey A Grassi, Shamsher S Dalal, Christopher S Ogilvy, Ajith J Thomas, Clemens M Schirmer
BACKGROUND: There is ongoing controversy regarding the optimal antiplatelet regimen, and extent or even need for platelet function testing surrounding Pipeline flow diverter (Medtronic Inc, Dublin, Ireland) embolization of cerebral aneurysms. OBJECTIVE: To compare a unique pharmacy-mediated antiplatelet medication management protocol to a 1-time platelet function testing strategy prior to Pipeline placement. METHODS: A retrospective review of patients with cerebral aneurysms who underwent Pipeline embolization at 2 academic institutions was performed...
March 27, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29608702/flow-diversion-of-posterior-circulation-cerebral-aneurysms-a-single-institution-series-of-59-cases
#13
Matthew T Bender, Geoffrey P Colby, Bowen Jiang, Li-Mei Lin, Jessica K Campos, Risheng Xu, Erick M Westbroek, Chau D Vo, David A Zarrin, Justin M Caplan, Judy Huang, Rafael J Tamargo, Alexander L Coon
BACKGROUND: Posterior circulation cerebral aneurysms are at higher risk of rupture and are more symptomatic than those in the anterior circulation. Existing treatments carry significant morbidity. Early reports of flow diversion for posterior circulation aneurysms have suggested high complication and low occlusion rates. OBJECTIVE: To report safety and efficacy of flow diversion with the pipeline embolization device (ev3, Medtronic Inc, Dublin, Ireland) for aneurysms located throughout the posterior circulation...
March 28, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29600915/predictors-of-cerebral-aneurysm-persistence-and-occlusion-after-flow-diversion-a-single-institution-series-of-445-cases-with-angiographic-follow-up
#14
Matthew T Bender, Geoffrey P Colby, Li-Mei Lin, Bowen Jiang, Erick M Westbroek, Risheng Xu, Jessica K Campos, Judy Huang, Rafael J Tamargo, Alexander L Coon
OBJECTIVE Flow diversion requires neointimal stent overgrowth to deliver aneurysm occlusion. The existing literature on aneurysm occlusion is limited by heterogeneous follow-up, variable antiplatelet regimens, noninvasive imaging modalities, and nonstandard occlusion assessment. Using a large, single-center cohort with low attrition and standardized antiplatelet tapering, the authors evaluated outcomes after flow diversion of anterior circulation aneurysms to identify predictors of occlusion and aneurysm persistence...
March 30, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29600914/editorial-indication-and-technique-for-using-the-pipeline-embolization-device-to-treat-intracranial-aneurysms
#15
Jan-Karl Burkhardt, Omar Tanweer, Peter Kim Nelson, Howard A Riina
No abstract text is available yet for this article.
March 30, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29599183/embolization-through-the-thyrocervical-trunk-vascular-anatomy-variants-and-a-case-series
#16
Carlos Pérez-García, Carlos Malfaz, Mariano Del Valle Diéguez, Fernando Fortea Gil, Javier Saura Lorente, Miguel Echenagusia Boyra, Manuel González Leyte, Antonio Pérez-Higueras, Enrique Castro-Reyes
BACKGROUND AND PURPOSE: The thyrocervical trunk (TCT) is the second ascending branch of the subclavian artery. It is considered a 'border territory' between interventional vascular radiology and interventional neuroradiology because it gives rise to branches both cervical and to the upper limbs. We describe the TCT branches anatomy, the most frequent variants, and expose eight endovascular procedures performed through the thyrocervical trunk. METHODS: A retrospective review of all the interventional radiology procedures carried out through the TCT in our tertiary care center from August 2014 to January 2017 is presented...
March 29, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29599174/an-update-on-the-adjunctive-neurovascular-support-of-wide-neck-aneurysm-embolization-and-reconstruction-trial-1-year-safety-and-angiographic-results
#17
A M Spiotta, M I Chaudry, R D Turner, A S Turk, C P Derdeyn, J Mocco, S Tateshima
BACKGROUND AND PURPOSE: The safety and efficacy of the PulseRider for the treatment of wide-neck, bifurcation aneurysms at the basilar and carotid terminus locations were studied in a prospective trial, the Adjunctive Neurovascular Support of Wide-Neck Aneurysm Embolization and Reconstruction (ANSWER) trial, reporting on initial 6-month angiographic and clinical results. This report provides insight into the longer term durability and safety with 12-month data. MATERIALS AND METHODS: Aneurysms treated with the PulseRider among enrolled sites were prospectively studied...
March 29, 2018: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29597192/transcatheter-closure-of-patent-foramen-ovale-versus-medical-therapy-after-cryptogenic-stroke-a-meta-analysis-of-randomized-controlled-trials
#18
Fahed Darmoch, Yasser Al-Khadra, Mohamad Soud, Zaher Fanari, M Chadi Alraies
BACKGROUND: Patent foramen ovale (PFO) with atrial septal aneurysm is suggested as an important potential source for cryptogenic strokes. Percutaneous PFO closure to reduce the recurrence of stroke compared to medical therapy has been intensely debated. The aim of this study is to assess whether PFO closure in patients with cryptogenic stroke is safe and effective compared with medical therapy. METHOD: A search of PubMed, Medline, and Cochrane Central Register from January 2000 through September 2017 for randomized controlled trails (RCT), which compared PFO closure to medical therapy in patients with cryptogenic stroke was conducted...
March 29, 2018: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/29590729/determination-of-predictive-anatomic-parameters-for-bleeding-of-brain-arteriovenous-malformations-by-multidetector-ct-angiography
#19
Biljana Milatović, Goran Tasić, Igor Nikolić, Igor Đorić, Nikola Repac, Vuk Šćepanović, Aleksandar Janićijević, Krešimir Rotim, Lukas Rasulić
Patients with brain arteriovenous malformation (AVM) have a certain risk to bleed, and the goal of this study was to examine the effect of radiological and clinical predictive characteristics of AVM hemorrhage using multidetector computed tomographic (MDCT) angiography. The study included a series of 57 patients, mean age 35.46 years, who were diagnosed during their hospitalization at Clinical Department of Neurosurgery, Clinical Center of Serbia, in the period from January 2008 to March 2016. In all patients, the diagnosis was made using MDCT angiography...
December 2017: Acta Clinica Croatica
https://www.readbyqxmd.com/read/29588236/predicting-successful-treatment-of-intracranial-aneurysms-with-the-pipeline-embolization-device-through-meta-regression
#20
Hind A Beydoun, Yasameen Azarbaijani, Hong Cheng, Colin Anderson-Smits, Danica Marinac-Dabic
OBJECTIVE: To conduct meta-regression for the identification of clinically meaningful characteristics that can predict successful treatment of intracranial aneurysms (IAs) with the Pipeline Embolization Device (PED). METHODS: Using the keyword "Pipeline Embolization Device" and pre-specified eligibility criteria, we searched PubMed and EMBASE and identified 105 original research articles (10,813 patients) published or in press (April 6, 2011-December 31, 2016) focused on safety and/or effectiveness of PED...
March 24, 2018: World Neurosurgery
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