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unruptured internal aneurysms

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https://www.readbyqxmd.com/read/27904445/endovascular-treatment-of-unruptured-aneurysms-of-cavernous-and-ophthalmic-segment-of-internal-carotid-artery-with-flow-diverter-device-pipeline
#1
Marko Jevsek, Charbel Mounayer, Tomaz Seruga
BACKGROUND: Intra-arterial treatment of aneurysms by redirecting blood flow is a newer method. The redirection is based on a significantly more densely braided wire stent. The stent wall keeps the blood in the lumen of the stent and slows down the turbulent flow in the aneurysms. Stagnation of blood in the aneurysm sac leads to the formation of thrombus and subsequent exclusion of the aneurysm from the circulation. The aim of the study was to evaluate flow diverter device Pipeline for broad neck and giant aneurysm treatment...
December 1, 2016: Radiology and Oncology
https://www.readbyqxmd.com/read/27891269/unruptured-basilar-tip-aneurysm-with-internal-septation-coiling-implications
#2
Ayman Khalil, Hong Kuan Kok, Mark Schembri, Paul Brennan, Mohsen Javadpour, John Thornton, Alan O'Hare, Hamed Asadi
An internal septum within a basilar artery aneurysm is an infrequent anomaly and is very rarely reported in the literature. We report a 62-year-old lady that was incidentally diagnosed with basilar tip aneurysm. Further imaging with magnetic resonance imaging (MRI) revealed internal septation within this aneurysm which was later confirmed with digital subtraction angiography (DSA). She underwent coil embolisation, which involved technical manipulation of the microcatheter and the balloon to enable coiling of each separate aneurysm compartment...
2016: Case Reports in Neurological Medicine
https://www.readbyqxmd.com/read/27858574/quantitative-anatomical-analysis-and-clinical-experience-with-mini-pterional-and-mini-orbitozygomatic-approaches-for-intracranial-aneurysm-surgery
#3
Kaan Yagmurlu, Sam Safavi-Abbasi, Evgenii Belykh, M Yashar S Kalani, Peter Nakaji, Albert L Rhoton, Robert F Spetzler, Mark C Preul
OBJECTIVE The aim of this investigation was to modify the mini-pterional and mini-orbitozygomatic (mini-OZ) approaches in order to reduce the amount of tissue traumatization caused and to compare the use of the 2 approaches in the removal of circle of Willis aneurysms based on the authors' clinical experience and quantitative analysis. METHODS Three formalin-fixed adult cadaveric heads injected with colored silicone were examined. Surgical freedom and angle of attack of the mini-pterional and mini-OZ approaches were measured at 9 anatomical points, and the measurements were compared...
November 18, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27847767/the-benefits-of-navien%C3%A2-intracranial-support-catheter-for-endovascular-treatment
#4
Siwoo Lee, Tae-Sik Gong, Yong-Woo Lee, Hyo-Joon Kim, Chang-Young Kweon
OBJECTIVE: Endovascular treatment is one of the most important treatments along with open craniotomy for cerebrovascular surgery. The successful treatment of endovascular disease relies on appropriate instruments and the surgeon's skill. Endovascular treatment needs to provide safe and stable access to the catheter cavity. Additionally, it is important to maintain a round shape without changing to an oval shape. The catheter for endovascular treatment has to be flexible and accommodate at least 0...
September 2016: Journal of Cerebrovascular and Endovascular Neurosurgery
https://www.readbyqxmd.com/read/27847763/preliminary-experience-with-vascular-plugs-for-parent-artery-occlusion-of-the-carotid-or-vertebral-arteries
#5
Woosung Lee, Yong Sam Shin, Kyung Hyun Kim, Yong Bae Kim, Chang-Ki Hong, Joonho Chung
OBJECTIVE: The purpose of this study was to report the authors' preliminary experience using the Amplatzer Vascular Plug (AVP) (St. Jude Medical, Plymouth, MN, USA) for parent artery occlusion of the internal carotid artery (ICA) or vertebral artery (VA). MATERIALS AND METHODS: Between September 2008 and December 2015, we performed 52 therapeutic parent artery occlusions (PAOs) by an endovascular technique. Among them, 10 patients underwent PAO of the carotid or vertebral arteries using AVPs...
September 2016: Journal of Cerebrovascular and Endovascular Neurosurgery
https://www.readbyqxmd.com/read/27833409/preoperative-coiling-of-coexisting-intracranial-aneurysm-and-subsequent-brain-tumor-surgery
#6
Keun Young Park, Byung Moon Kim, Dong Joon Kim
OBJECTIVE: Few studies have investigated treatment strategies for brain tumor with a coexisting unruptured intracranial aneurysm (cUIA). The purpose of this study was to evaluate the safety and efficacy of preoperative coiling for cUIA, and subsequent brain tumor surgery. MATERIALS AND METHODS: A total of 19 patients (mean age, 55.2 years; M:F = 4:15) underwent preoperative coiling for 23 cUIAs and subsequent brain tumor surgery. Primary brain tumors were meningiomas (n = 7, 36...
November 2016: Korean Journal of Radiology: Official Journal of the Korean Radiological Society
https://www.readbyqxmd.com/read/27801397/-tactics-of-surgical-treatment-of-patients-with-unruptured-asymptomatic-cerebral-aneurysms
#7
A S Kheireddin, Sh Sh Eliava, S B Yakovlev, Yu M Filatov, A N Kaftanov, O B Belousova, I A Sazonov, S R Arustamyan, K G Mikeladze, E Yu Bukharin, P S Dorokhov
AIM: To clarify the indications for surgical treatment and the principles for choosing a surgical technique for patients with unruptured asymptomatic aneurysms (UAAs) based on the results of direct and endovasal operations performed at the Burdenko Neurosurgical Institute and on the literature data. MATERIAL AND METHODS: The study included 694 UAA patients (481 females (69.3%) and 213 males (30.7%)) operated on at the Burdenko Neurosurgical Institute from 1997 to 2013...
2016: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/27767401/-awake-clipping-of-cerebral-aneurysms-report-of-initial-series
#8
Saleem I Abdulrauf, Peter Vuong, Ritesh Patel, Raghu Sampath, Ahmed M Ashour, Lauren M Germany, Jonathon Lebovitz, Colt Brunson, Yuvraj Nijjar, J Kyle Dryden, Maheen Q Khan, Mihaela G Stefan, Evan Wiley, Ryan T Cleary, Connor Reis, Jodi Walsh, Paula Buchanan
OBJECTIVE Risk of ischemia during aneurysm surgery is significantly related to temporary clipping time and final clipping that might incorporate a perforator. In this study, the authors attempted to assess the potential added benefit to patient outcomes of "awake" neurological testing when compared with standard neurophysiological testing performed under general anesthesia. The procedure is performed after the induction of conscious sedation, and for the neurological testing, the patient is fully awake. METHODS The authors conducted an institutional review board-approved prospective study of clipping unruptured intracranial aneurysms (UIAs) in 30 consecutive adult patients who underwent awake clipping...
October 21, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27744074/prevalence-of-asymptomatic-unruptured-intracranial-aneurysms-in-a-southeast-asian-population
#9
Ady Thien, Angela An Qi See, Samantha Ya Lyn Ang, Nishal Kishinchand Primalani, Mervyn Jun Rui Lim, Yew Poh Ng, Nicolas Kon Kam King
BACKGROUND: The prevalence of asymptomatic unruptured intracranial aneurysms (AUIA) in a Southeast Asian population has not been previously studied. Knowing the disease burden and population at risk can assist us in making informed decisions when managing AUIAs. We aimed to determine if the local prevalence of AUIAs differed from other populations in the published literature. METHODS: Magnetic resonance angiography radiology reports and images for 4572 patients between January 2013 and January 2014 were reviewed for AUIAs...
October 12, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27742747/coiling-of-wide-necked-carotid-artery-aneurysms-assisted-by-a-temporary-bridging-device-comaneci-preliminary-experience
#10
S Fischer, A Weber, A Carolus, F Drescher, F Götz, W Weber
BACKGROUND: Endovascular treatment of wide-necked aneurysms remains challenging without the use of adjunctive devices to preserve the parent artery. OBJECTIVE: To present our initial experience with a temporary bridging device, the Comaneci (Rapid Medical, Israel). The compliant remodeling mesh protects the parent artery during coil occlusion without flow arrest in the distal vasculature. Permanent dual antiplatelet therapy is not required since the device is fully removed at the end of the procedure...
October 14, 2016: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/27692502/intraoperative-rupture-in-the-surgical-treatment-of-patients-with-intracranial-aneurysms
#11
S F Chen, Y Kato, A Kumar, G W Tan, D Oguri, J Oda, T Watabe, S Imizu, H Sano, Z X Wang
Intraoperative rerupture (IOR) during clipping of cerebral aneurysms is a difficult complication of microneurosurgery. The aim of this study was to evaluate the incidence of IOR and analyze the strategies for controlling profound hemorrhage. A total of 165 patients with unruptured intracranial aneurysms and 46 patients with subarachnoid hemorrhage (SAH) treated surgically between April 2010 and March 2011, were reviewed. The data were collected with regard to age, sex, presence of symptoms, confounding factors and strategy for controlling intraoperative hemorrhage was analyzed in terms of location of aneurysms, timing of rupture and severity of IOR...
September 27, 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/27658574/balloon-in-stent-assisted-coiling-for-treatment-of-intracranial-overwide-and-undertall-aneurysms
#12
Kunpeng Chen, Lijun Wang, Daming Wang, Jiachun Liu, Jun Lu, Peng Qi
This study reports our experience of balloon-in-stent assisted coiling for the treatment of morphologically unfavorable aneurysms located in the internal carotid artery (ICA). From July 2007 to April 2014, twelve patients with twelve aneurysms located in the ICA were coil embolized by simultaneously using balloon and stent assistance. Five aneurysms were ruptured and seven were unruptured. All the aneurysms were overwide (dome-to-neck ratio ⩽1.2) and undertall (aspect ratio ⩽1.2) anatomically. The procedure-related adverse events, clinical and angiographic results were retrospectively analyzed...
September 19, 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/27644699/unruptured-internal-carotid-artery-bifurcation-aneurysms-general-features-and-overall-results-after-modern-treatment
#13
Biagia La Pira, Waleed Brinjikji, Anthony M Burrows, Harry J Cloft, Roanna L Vine, Giuseppe Lanzino
BACKGROUND: Internal carotid artery bifurcation aneurysms (ICAbifAs) present unique challenges to endovascular and surgical operators, and little is known about their natural history. We reviewed our institution's experience with ICAbifAs studying outcomes of surgical and endovascular management and natural history. METHODS: Consecutive patients with unruptured ICAbifAs evaluated and/or treated over an 8-year interval were studied. Baseline demographics, neurovascular risk factors, aneurysm location and size, clinical presentation, treatment recommendations, and outcomes were prospectively collected and retrospectively analyzed...
November 2016: Acta Neurochirurgica
https://www.readbyqxmd.com/read/27637628/retrograde-suction-decompression-through-direct-puncture-of-the-common-carotid-artery-for-paraclinoid-aneurysm
#14
Naoki Otani, Kojiro Wada, Terushige Toyooka, Kazuya Fujii, Hideaki Ueno, Satoshi Tomura, Arata Tomiyama, Yasuaki Nakao, Takuji Yamamoto, Kentaro Mori
BACKGROUND: Surgical clipping of paraclinoid aneurysm can be very difficult because strong adhesions may hinder the dissection of the perforators and surrounding anatomical structures from the aneurysm dome. We describe our experience with using retrograde suction decompression during the clipping of paraclinoid aneurysms and discuss the relative advantages and pitfalls. MATERIALS AND METHODS: This study included 23 patients with large and giant paraclinoid aneurysms who underwent surgical treatment consisting of direct clipping with suction decompression between March 2004 and August 2014...
2016: Acta Neurochirurgica. Supplement
https://www.readbyqxmd.com/read/27637627/predictive-factors-for-the-occurrence-of-visual-and-ischemic-complications-after-open-surgery-for-paraclinoid-aneurysms-of-the-internal-carotid-artery
#15
Ken-Ichiro Kikuta, Ryuhei Kitai, Toshihiko Kodera, Hidetaka Arishima, Makoto Isozaki, Norichika Hashimoto, Hiroyuki Neishi, Yoshifumi Higashino, Shinsuke Yamada, Munenori Yomo, Kousuke Awara
OBJECTIVE: To investigate the predictive factors for visual and ischemic complications after open surgery for paraclinoid aneurysms of the internal carotid artery (ICA). MATERIALS AND METHODS: Thirty-eight consecutive patients with unruptured paraclinoid aneurysms of ICA operated on between 2009 and 2013 were included in this study. The male:female ratio was 6:32 and the ages ranged from 33 to 81 (mean: 60 ± 2). Twenty cases were asymptomatic and 18 had ophthalmological symptoms...
2016: Acta Neurochirurgica. Supplement
https://www.readbyqxmd.com/read/27624655/editorial-peculiarities-of-unruptured-internal-carotid-artery-bifurcation-aneurysms
#16
Alex Alfieri, Lehel Török
No abstract text is available yet for this article.
November 2016: Acta Neurochirurgica
https://www.readbyqxmd.com/read/27621946/comparison-between-balloon-assisted-and-stent-assisted-technique-for-treatment-of-unruptured-internal-carotid-artery-aneurysms
#17
Keun Young Park, Byung Moon Kim, Dong Joon Kim
PURPOSE: To compare clinical and angiographic outcomes between balloon-assisted (BAC) and stent-assisted coiling for internal carotid artery unruptured aneurysms (ICA-UA). MATERIALS AND METHODS: A total of 227 ICA-UA in 190 patients were treated with BAC (120 patients, 141 ICA-UA) or SAC (70 patients, 86 ICA-UA. We compared characteristics of patients and ICA-UA, and clinical and angiographic outcomes between groups. RESULTS: Aneurysm size and neck diameter were greater for SAC than in BAC, but aneurysm volume and coil packing density were not different between groups...
September 2016: Neurointervention
https://www.readbyqxmd.com/read/27621944/cost-effectiveness-analysis-of-endovascular-coiling-versus-neurosurgical-clipping-for-intracranial-aneurysms-in-republic-of-korea
#18
Hyuk Won Chang, Shang Hun Shin, Sang Hyun Suh, Bum-Soo Kim, Myung Ho Rho
PURPOSE: The International Subarachnoid Aneurysm Trial (ISAT) revealed that in ruptured intracranial aneurysms (RA), endovascular coiling (EC) yields better clinical outcomes than neurosurgical clipping (NC) at 1 year. In unruptured aneurysms (UIA), EC is being increasingly used as an alternative to NC due to patients' preference. There is a lot of difference in treatment cost (EC vs. NC) between countries. There is one recently published study dealing with the comparative cost analysis only in UIAs in South Korea...
September 2016: Neurointervention
https://www.readbyqxmd.com/read/27570378/endovascular-treatment-of-unruptured-posterior-circulation-intracranial-aneurysms
#19
Xianli Lv, Huijian Ge, Hengwei Jin, Hongwei He, Chuhan Jiang, Youxiang Li
BACKGROUND AND PURPOSE: Endovascular treatment of unruptured posterior circulation intracranial aneurysms (UPCIAs) is limited in the International Study of Unruptured Intracranial Aneurysms (ISUIA). The aim of this study is to evaluate the periprocedural morbidity, mortality, and midterm clinical and angiographic follow-ups of endovascular treatment of UPCIAs. MATERIALS AND METHODS: Retrospective analysis of all patients treated in a 2-year period (89 patients: 10-78 years of age, mean: 45...
July 2016: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/27570377/looking-at-thunderclap-headache-differently-circa-2016
#20
K Ravishankar
The term "thunderclap headache" (TCH) was first coined in 1986 by Day and Raskin to describe headache that was the presenting feature of an underlying unruptured cerebral aneurysm. The term is now well established to describe the abrupt onset headache seen with many other conditions and is also now included in The International Classification of Headache Disorders 3(rd) edition beta version rubric 4.4. An essential to label an acute headache as "TCH" and differentiate it from other "sudden onset, severe headaches" is the arbitrary time frame of 1 min from onset to peak intensity for "TCH...
July 2016: Annals of Indian Academy of Neurology
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