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unruptured aneurysm

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https://www.readbyqxmd.com/read/28210239/flow-diversion-for-the-treatment-of-mca-bifurcation-aneurysms-a-single-centre-experience
#1
Pervinder Bhogal, Muhammad AlMatter, Hansjörg Bäzner, Oliver Ganslandt, Hans Henkes, Marta Aguilar Pérez
BACKGROUND: Intracranial aneurysms located at the bifurcation of the middle cerebral artery (MCA) can often be challenging for the neurointerventionalist. We aimed to evaluate the efficacy and safety of flow diverting stents (FDS) in the treatment of these aneurysms. MATERIALS AND METHODS: We retrospectively reviewed our prospectively maintained database to collect information for all patients with unruptured saccular bifurcation MCA aneurysms treated with FDS between January 2010 and January 2016...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28209576/differences-in-hemodynamics-and-rupture-rate-of-aneurysms-at-the-bifurcation-of-the-basilar-and-internal-carotid-arteries
#2
R Doddasomayajula, B Chung, F Hamzei-Sichani, C M Putman, J R Cebral
BACKGROUND AND PURPOSE: Cerebral aneurysms in the posterior circulation are known to have a higher rupture risk than those in the anterior circulation. We sought to test the hypothesis that differences in hemodynamics can explain the difference in rupture rates. MATERIALS AND METHODS: A total of 117 aneurysms, 63 at the tip of the basilar artery (27 ruptured, 36 unruptured, rupture rate = 43%) and 54 at the bifurcation of the internal carotid artery (11 ruptured, 43 unruptured, rupture rate = 20%) were analyzed with image-based computational fluid dynamics...
February 16, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28209313/the-arborization-bypass-sequential-intracranial-intracranial-bypasses-for-an-unruptured-fusiform-mca-aneurysm
#3
Jonathan J Russin
Revascularization techniques are being featured more prominently as endovascular treatments continue to select out complex cerebrovascular pathologies for open surgical management. The current healthcare environment requires decreased hospital stays and improved clinical outcomes despite the growing complexity of open surgical cases. Recent efforts to reduce operative room time and decrease risk for bypass surgery have focused on avoiding graft harvest and maintaining the entire bypass intracranial. The presented technique features an arborization bypass to serially anastomose the middle cerebral artery vessels allowing for proximal trapping of a complex aneurysm without graft harvest...
February 10, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28197790/surgical-treatment-of-anterior-cranial-fossa-dural-arterio-venous-fistulas-davfs-a-two-centre-experience
#4
Pietro Meneghelli, Alberto Pasqualin, Luigi Andrea Lanterna, Claudio Bernucci, Roberto Spinelli, Gianluigi Dorelli, Piergiuseppe Zampieri
BACKGROUND: Anterior cranial fossa dural arterio-venous fistulas (DAVFs) represent 6% of all intracranial DAVFs; characteristically they show an aggressive behaviour with high risk of intracranial haemorrhage. Peculiar anatomical features, such as feeding by the ethmoidal arteries and the pattern of venous drainage (frequently with varices that mimic aneurysmal dilatation), can be evaluated in detail only by digital subtraction angiography (DSA), which represents the "gold standard" in the diagnosis of such cranial fistulas...
February 14, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28187991/headache-and-treatment-of-unruptured-intracranial-aneurysms
#5
Julieta E Arena, Maximiliano A Hawkes, Mauricio F Farez, Lucia Pertierra, Alejandro A Kohler, Mariano Marrodán, Darío Benito, Maria T Goicochea, Juan C Miranda, Sebastián F Ameriso
BACKGROUND AND PURPOSE: The relationship between unruptured intracranial aneurysms (UIAs) and chronic headache and the impact of aneurysm treatment on headache outcome are controversial. The aim of this study was to determine clinical features of a supposedly primary headache in patients with UIA. We also assessed changes in headache characteristics after UIA treatment. METHODS: We examined clinical and imaging data of patients in whom a UIA was diagnosed during diagnostic workup of a suspected primary headache...
February 7, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28186451/techniques-and-outcomes-of-microsurgical-management-of-ruptured-and-unruptured-fusiform-cerebral-aneurysms
#6
Sam Safavi-Abbasi, M Yashar S Kalani, Ben Frock, Hai Sun, Kaan Yagmurlu, Felix Moron, Laura A Snyder, Randy J Hlubek, Joseph M Zabramski, Peter Nakaji, Robert F Spetzler
OBJECTIVE Fusiform cerebral aneurysms represent a small portion of intracranial aneurysms; differ in natural history, anatomy, and pathology; and can be difficult to treat compared with saccular aneurysms. The purpose of this study was to examine the techniques of treatment of ruptured and unruptured fusiform intracranial aneurysms and patient outcomes. METHODS In 45 patients with fusiform aneurysms, the authors retrospectively reviewed the presentation, location, and shape of the aneurysm; the microsurgical technique; the outcome at discharge and last follow-up; and the change in the aneurysm at last angiographic follow-up...
February 10, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28184345/y-configuration-stent-assisted-coil-embolization-for-wide-necked-intracranial-bifurcation-aneurysms
#7
Kwangho Lee, Hyun Park, Insung Park, Sukh Que Park, O-Ki Kwon, Jongwoo Han
OBJECTIVE: The objective of this study was to determine the efficiency and safety of Y configuration stent-assisted coiling with double-closed stents for wide-necked intracranial aneurysms located at arterial bifurcations thorough analysis of a multicenter case series. MATERIALS AND METHODS: A retrospective chart review was done on 10 patients who underwent endovascular treatment of wide-necked intracranial aneurysms with Y-configuration stent-assisted coil embolization in three centers from August 2011 to March 2014...
December 2016: Journal of Cerebrovascular and Endovascular Neurosurgery
https://www.readbyqxmd.com/read/28184003/a-survey-of-intracranial-aneurysm-treatment-practices-among-united-states-physicians
#8
Kyle M Fargen, Hector E Soriano-Baron, Julia T Rushing, William Mack, J Mocco, Felipe Albuquerque, Andrew F Ducruet, Maxim Mokin, Italo Linfante, Stacey Q Wolfe, John A Wilson, Joshua A Hirsch
BACKGROUND: Recent surveys have failed to examine cerebrovascular aneurysm treatment practices among US physicians. OBJECTIVE: To survey physicians who are actively involved in the care of patients with cerebrovascular aneurysms to determine current aneurysm treatment preferences. METHODS: A 25-question SurveyMonkey online survey was designed and distributed electronically to members of the Society of NeuroInterventional Surgery, Society of Vascular and Interventional Neurology, and the American Association of Neurological Surgeons/Congress of Neurological Surgeons Combined Cerebrovascular Section...
February 9, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28183143/rapid-documented-growth-of-aneurysm-bleb-led-to-rupture-of-an-incidental-intracranial-anterior-communicating-artery-aneurysm
#9
Jan-Karl Burkhardt, Jorn Fierstra, Giuseppe Esposito, Gerasimos Baltsavias, Oliver Bozinov, Luca Regli
Background A major challenge in the management of patients with unruptured intracranial aneurysms (UIAs) is to identify criteria indicating a higher risk of future UIA rupture. We report a rare patient with documented short-term bleb growth of an UIA followed by a fatal aneurysm rupture supporting the high risk of rupture of short-term shape changes in UIAs. Case Description A 72-year-old man with an incidental unruptured anterior communicating artery aneurysm of 9 mm showed a bleb growth on the aneurysm sac at 6-week follow-up computed tomography angiography (CTA)...
February 9, 2017: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/28179597/sinus-pericranii-with-dominant-venous-outflow-in-the-superior-eyelid
#10
Eiji Ito, Syuntaro Takasu, Kenichi Hattori
Sinus pericranii (SP) located in the superior eyelid is an unusual clinical presentation. Here, we report a case of 72-year-old woman with an unruptured cerebral aneurysm presented with an SP located in the left superior eyelid. The SP was found to have a dominant venous outflow from the bilateral frontal region with an arterialized blood flow pattern on color Doppler ultrasonography (CDUS). During the aneurysmal surgery, intraoperative monitoring of the dominant venous outflow with CDUS was useful for the prevention of venous outflow obstruction...
February 9, 2017: Neurologia Medico-chirurgica
https://www.readbyqxmd.com/read/28179247/impact-of-intraoperative-cefazolin-on-postoperative-seizures-after-elective-repair-of-unruptured-cerebral-aneurysm
#11
Alan Rozycki, John J Lewin, Rafael Tamargo, Betsy Zink, Marek Mirski, Haley Gibbs
PURPOSE: The impact of intraoperative cefazolin on postoperative seizures after elective repair of an unruptured cerebral aneurysm was evaluated. METHODS: Chart review of a prospectively accrued database was performed for patients admitted from January 1, 2003, through December 31, 2013. Patients were included in the study if they underwent elective repair of an unruptured aneurysm with surgical clipping or wrapping. The primary objective was to determine if the use of cefazolin increased patients' odds of having a seizure within six hours of surgical intervention...
February 15, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/28178166/headache-improvement-after-intracranial-endovascular-procedures-in-chinese-patients-with-unruptured-intracranial-aneurysm-a-prospective-observational-study
#12
Linjing Zhang, Yunxia Wang, Qingkui Zhang, Wei Ge, Xiancong Wu, Hai Di, Jun Wang, Xiangyu Cao, Baomin Li, Ruozhuo Liu, Shengyuan Yu
The aim of this study was to investigate whether there is a long-term improvement in headache of patients with unruptured intracranial aneurysms (UIAs) treated with intracranial endovascular procedures.Using a prospective design, consecutive patients with UIAs with neuroendovascular treatment from January 2014 to December 2014 were asked to participate. Headache outcomes were established before aneurysm treatment and for 6 months following treatment. Factors associated with different headache outcomes were investigated...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28175583/304%C3%A2-the-contribution-of-whole-platelet-aggregometry-to-the-endovascular-management-of-unruptured-aneurysms-an-institutional-experience
#13
Babu Guai Welch, Salah G Aoun, G Lee Pride, Kim L Rickert, Jonathan A White, Kathryn Hoes, Robin Novakovic, R Sarode
No abstract text is available yet for this article.
August 1, 2016: Neurosurgery
https://www.readbyqxmd.com/read/28175391/111%C3%A2-predictors-of-complications-after-clipping-of-unruptured-intracranial-aneurysms-a-national-surgical-quality-improvement-program-analysis
#14
Hormuzdiyar H Dasenbrock, Robert F Rudy, William B Gormley, Timothy R Smith, Kai U Frerichs, Mohammad Ali Aziz-Sultan, Rose Du
No abstract text is available yet for this article.
August 1, 2016: Neurosurgery
https://www.readbyqxmd.com/read/28175381/107%C3%A2-evaluating-the-costs-of-follow-up-imaging-protocol-for-endovascularly-treated-unruptured-intracranial-aneurysms-a-multicenter-study
#15
Raghav Gupta, Christoph Johannes Griessenauer, Nimer Adeeb, Justin M Moore, Apar S Patel, Michelle Hui Juan Chua, Ajith J Thomas, Christopher S Ogilvy
No abstract text is available yet for this article.
August 1, 2016: Neurosurgery
https://www.readbyqxmd.com/read/28163518/double-barrel-y-configuration-stenting-for-flow-diversion-of-a-giant-recurrent-basilar-apex-aneurysm-with-the-pipeline-flex-embolization-device
#16
Dale Ding, Robert M Starke, Ben McGuinness, Stefan Brew
Giant basilar apex aneurysms are extremely challenging to successfully manage. The Pipeline Flex embolization device (PFED) is a new generation flow-diverting stent with a modified delivery system which allows resheathing of the stent after partial deployment. We describe a case of double-barrel Y-configuration stenting of a giant, recurrent basilar apex aneurysm using the PFED. A 73-year-old male was previously treated for an unruptured 11-mm basilar apex aneurysm with stent-assisted coiling using a Neuroform stent...
December 2016: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/28157750/management-of-unruptured-intracranial-aneurysms-and-cerebrovascular-malformations
#17
Kelly D Flemming, Giuseppe Lanzino
PURPOSE OF REVIEW: Unruptured intracranial aneurysms and vascular malformations are detected more frequently because of the increased use and availability of brain imaging. Management of these entities requires knowledge of which patients are at high risk for hemorrhage and what treatment options are available. This article summarizes the epidemiology, natural history, and management strategies for unruptured intracranial aneurysms, arteriovenous malformations, cavernous malformations, developmental venous anomalies, and capillary telangiectasias...
February 2017: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/28155701/exploring-potential-association-between-flow-instability-and-rupture-in-patients-with-matched-pairs-of-ruptured-unruptured-intracranial-aneurysms
#18
Lijian Xu, Lixu Gu, Hao Liu
BACKGROUND: Patients with multiple intracranial aneurysms present a great challenge to the neurosurgeon, particularly when presenting with subarachnoid hemorrhage. Misjudgment may result in disastrous postoperative rebleeding from the untreated but true-ruptured lesion. METHODS: In this study, computational fluid dynamic simulations of two matched-pairs of ruptured-unruptured cerebral aneurysms were performed to investigate the potential association between flow instability and aneurysm rupture...
December 28, 2016: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28150223/growth-of-untreated-unruptured-small-sized-aneurysms-%C3%A2-%C2%BA7mm-incidence-and-related-factors
#19
Hyun Ho Choi, Young Dae Cho, Jin Pyeong Jeon, Dong Hyun Yoo, Jusun Moon, Jeongjun Lee, Hyun-Seung Kang, Won-Sang Cho, Jeong Eun Kim, Li Zhang, Moon Hee Han
PURPOSE: The need to treat small (<7 mm) unruptured aneurysms is still controversial, despite data collected through several large cohort studies. Such lesions typically are incidental findings, usually followed for potential growth through serial imaging. For this study, growth estimates for untreated unruptured small-sized aneurysms were generated, examining incidence and related risk factors. METHODS: A cohort of 135 consecutive patients harboring 173 untreated unruptured small-sized aneurysms (<7 mm) was subjected to extended monitoring (mean, 73...
February 1, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28145447/unruptured-intracranial-aneurysms-development-rupture-and-preventive-management
#20
Nima Etminan, Gabriel J Rinkel
No abstract text is available yet for this article.
February 1, 2017: Nature Reviews. Neurology
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