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https://www.readbyqxmd.com/read/28342923/giant-intracranial-aneurysms-surgical-treatment-and-risk-factors-analysis
#1
Long Xu, Xiaofeng Deng, Shuo Wang, Yong Cao, Yuanli Zhao, Dong Zhang, Yan Zhang, Rong Wang, Wei Qi, Jizong Zhao
OBJECTIVE: The surgical treatment of giant intracranial aneurysms (GIAs; diameter≥25mm) is challenging. The objective of this paper is to study the clinical outcome of GIAs treated with different surgical modalities and to analyze the factors affecting prognosis. METHODS: A consecutive series of 204 patients with GIAs who received surgical treatment in our department from 1995 to 2008 were analyzed retrospectively. The clinical outcome was evaluated with the Glasgow Outcome Scale (GOS)...
March 22, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28338447/vein-of-galen-malformation-treated-with-the-micro-vascular-plug-system-case-report
#2
Woojin Joo, Philippe Mercier, Shiva Kheradmand, Peyman Shirani, Ahmed Sarhan, Samer K Elbabaa, Randall C Edgell
This case report describes the use of the Micro Vascular Plug (MVP) system in a mural-type vein of Galen aneurysmal malformation, resulting in successful occlusion of the cerebrovascular fistula. This result was confirmed with immediate cessation in blood flow and 6-month follow-up angiography. The unique characteristics of the MVP provide potential advantages over current embolic techniques for occlusion of high-flow, fistulous, intracranial vessels such as those seen in the vein of Galen aneurysmal malformation, and may represent a valuable addition to the currently available options...
March 24, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28338434/coexistence-of-obstructive-sleep-apnea-worsens-the-overall-outcome-of-intracranial-aneurysm-a-pioneer-study
#3
Shyamal C Bir, Anil Nanda, Hugo Cuellar, Hai Sun, Bharat Guthikonda, Cesar Liendo, Alireza Minagar, Oleg Y Chernyshev
OBJECTIVE Obstructive sleep apnea (OSA) is associated with the progression of abdominal and thoracic aortic aneurysms. However, the role of OSA in the overall outcome of intracranial aneurysms (IAs) has not yet been established. Authors of this report investigated the role of OSA in the overall outcome of IAs. METHODS Radiological and clinical data on patients (from 2010 through 2015) with confirmed IA were retrospectively reviewed. Significant differences between the OSA and non-OSA groups were determined using a chi-square test...
March 21, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28335126/extra-intracranial-bypass-and-hybrid-surgery-for-the-treatment-of-giant-aneurysms
#4
Serguei Malikov, Stephan Fuentes, Zakaryiae Bouziane, Nicla Settembre, Pierre Édouard Magnan
No abstract text is available yet for this article.
January 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28333907/the-effect-of-placing-flow-diverting-stents-in-intracranial-collateral-arteries-of-miniature-pig
#5
Jiwei Wang, Yanan Ding, Qiuxia Wang, Yanan Wang, Shiqing Mu, Lixin Bi, Youxiang Li
BACKGROUND Flow-diverting stent (FDS) has been suggested as an effective intracranial aneurysm treatment. However, the effects of FDS on collateral branches of an aneurysm parent artery still remain unknown. Thus, the present study aimed to comprehensively evaluate the effects of placing a FDS in the intracranial collateral artery, using a miniature pig animal model. MATERIAL AND METHODS Ten healthy miniature pigs were included in the study: one pig was reserved as a control and the remaining nine pigs were placed in three experimental groups: FDS (i...
March 23, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28332378/quantitative-computed-tomographic-volumetry-after-treatment-of-a-giant-intracranial-aneurysm-with-a-pipeline-embolization-device
#6
Woong Jae Lee, Jun Soo Byun, Jae Kyun Kim, Taek Kyun Nam
Recently developed flow diverters, such as the pipeline embolization device (PED), allow for safe and efficacious treatment of giant intracranial aneurysms, with high occlusion rates and a low incidence of complications. However, incomplete obliteration after PED treatment may lead to aneurysm regrowth and delayed rupture. Herein, we report a case of a partially thrombosed giant aneurysm of the cavernous internal carotid artery that showed progressive recanalization at 1-3 months after application of a PED...
May 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/28327974/intracranial-aneurysm-parameters-for-predicting-a-future-subarachnoid-hemorrhage-a-long-term-follow-up-study
#7
Seppo Juvela, Miikka Korja
BACKGROUND: Retrospective studies have suggested that aneurysm morphology is a risk factor for subarachnoid hemorrhage (SAH). OBJECTIVE: To investigate whether various morphological indices of unruptured intracranial aneurysms (UIAs) predict a future rupture. METHODS: A total of 142 patients with UIAs diagnosed between 1956 and 1978 were followed prospectively until SAH, death, or the last contact. Morphological UIA indices from standard angiographic projections were measured at baseline and adjusted in multivariable Cox proportional hazards regression analyses for established risk factors for SAH...
January 10, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28327963/treatment-of-intracranial-aneurysms-with-the-silk-embolization-device-in-a-multicenter-study-a-retrospective-data-analysis
#8
José Manuel Pumar, Alexandra Banguero, Hugo Cuellar, Leopoldo Guimaraens, Javier Masso, Salvador Miralbes, Miguel Blanco-Ulla, Fernando Vazquez-Herrero, Miguel Souto, Miguel Gelabert-Gonzalez
BACKGROUND: Flow-diverter technology has become an important stent-based embolization tool in the treatment of complex cerebrovascular pathology. We report here the experience of 4 Spanish centers with using the SILK flow-diverter (SFD) device. OBJECTIVE: To evaluate the safety and efficacy of using the SFD in the endovascular treatment of intracranial aneurysms with complex morphology. METHODS: We retrospectively examined a prospectively maintained database of patients treated with SFD devices between July 2008 and December 2013 at 1 of 4 institutions in Spain...
January 28, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28321460/complication-risk-factors-in-anterior-choroidal-artery-aneurysm-treatment
#9
Arthur André, Anne-Laure Boch, Federico Di Maria, Aurélien Nouet, Nader Sourour, Stéphane Clémenceau, Joseph Gabrieli, Vincent Degos, Chiheb Zeghal, Jacques Chiras, Philippe Cornu, Frédéric Clarençon
OBJECT: The anterior choroidal artery (AChoA) is a rare location for intracranial aneurysms. The treatment of these aneurysms may be challenging due to the risk of occlusion of such a small and eloquent artery as the AChoA. We aimed to evaluate the risk factors for complications in AChoA aneurysm treatment. METHODS: We retrospectively analyzed 47 consecutive AChoA aneurysms in 40 patients treated in our institution from 1999 and 2014 by endovascular means (87%) or surgical clipping (13%)...
March 20, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28319953/dual-versus-single-energy-ct-angiography-imaging-for-patients-undergoing-intracranial-aneurysm-repair
#10
Amr Abdulazim, Christian Rubbert, Dorothea Reichelt, Christian Mathys, Bernd Turowski, Hans-Jakob Steiger, Daniel Hänggi, Nima Etminan
BACKGROUND: The invasiveness and risk of thromboembolic complications of catheter angiography underline the need for alternative imaging modalities in patients following intracranial aneurysm (IA) repair. However, the overall image quality of existing noninvasive imaging modalities, such as single-energy CT angiography (SE-CTA), compromises its value in this respect. OBJECTIVE: We prospectively investigated the value of a novel dual-energy CTA (DE-CTA) scanner and algorithm for assessing the degree of occlusion and parent vessel patency in patients following IA repair...
March 21, 2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/28316867/bench-top-comparison-of-physical-properties-of-4-commercially-available-self-expanding-intracranial-stents
#11
Su-Hee Cho, Won-Il Jo, Ye-Eun Jo, Ku Hyun Yang, Jung Cheol Park, Deok Hee Lee
PURPOSE: To better understand the performance of four commercially available neurovascular stents in intracranial aneurysm embolization, the stents were compared in terms of their basic morphological and mechanical properties. MATERIALS AND METHODS: Four different types of stents that are currently being used for cerebral aneurysm embolization were prepared (two stents per type). Two were laser-cut stents (Neuroform and Enterprise) and two were braided from a single nitinol wire (LEO and LVIS stents)...
March 2017: Neurointervention
https://www.readbyqxmd.com/read/28316865/treatment-of-intracranial-aneurysms-with-flow-re-direction-endoluminal-device-a-single-centre-experience-with-short-term-follow-up-results
#12
Neeraj Ramesh Mahboobani, Wing Ho Chong, Samuel Siu Kei Lam, Jimmy Chi Wai Siu, Chong Boon Tan, Yiu Chung Wong
PURPOSE: A flow diverter (FD) is an effective treatment option for intracranial aneurysms. The Flow Re-direction Endoluminal Device (FRED) is a relatively new flow diverter with a unique dual-layer design. We report our experience and short-term results with the FRED. MATERIALS AND METHODS: We did a retrospective review of all consecutive cases in which the FRED was used to treat intracranial aneurysms at a single institution from March 2014 till December 2015. Clinical parameters, aneurysm characteristics, technical results and short-term outcomes were reviewed...
March 2017: Neurointervention
https://www.readbyqxmd.com/read/28314248/concurrence-of-meningiomas-and-intracranial-aneurysms-correlation-or-coincidence
#13
Hong-Cai Wang, Hai Chen, Mao-Song Chen, Bo-Ding Wang, Shi-Wei Li, Wei Xu, Jian-Min Zhang
No abstract text is available yet for this article.
March 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28314245/in-reply-to-a-letter-to-the-editor-regarding-is-carotid-revascularization-safe-for-patients-with-concomitant-carotid-stenosis-and-intracranial-aneurysms
#14
Wuyang Yang, Judy Huang
No abstract text is available yet for this article.
March 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28314244/a-letter-to-the-editor-regarding-is-carotid-revascularization-safe-for-patients-with-concomitant-carotid-stenosis-and-intracranial-aneurysms
#15
Ximeng Yang, Daming Wang
No abstract text is available yet for this article.
March 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28304204/changes-in-contrast-transit-times-on-digital-subtraction-angiography-post-pipeline-embolization-device-deployment
#16
Ahmed E Hussein, Andreas Linninger, Sophia F Shakur, Fady T Charbel, Chih-Yang Hsu, Fady T Charbel, Ali Alaraj
It is postulated that hemodynamic changes occur in the distal vascular bed post-deployment of Pipeline Embolization Devices (PEDs). In this paper, we evaluate changes in the contrast transit times (TTs) on digital subtraction angiography (DSA) post-PED interventions. DSA films were analyzed using custom-made software for the time-density relationship at baseline and compared to post-PED deployment. All analyses were performed within the middle cerebral artery (MCA) M1 segment. Analyses included TT10%-100% (time needed for the contrast to change from 10% image intensity to 100%), TT100%-10%, and TT25%-25%...
April 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28304201/evaluation-of-the-characteristics-of-various-types-of-finishing-coils-for-the-embolization-of-intracranial-aneurysms-in-an-experimental-model-with-radiolucent-coils
#17
Keisuke Ota, Noriaki Matsubara, Shigeru Miyachi, Takashi Izumi, Masashi Ito, Takumi Asai, Takashi Yamanouchi, Toshihiko Wakabayashi
In endovascular coil embolization of intracranial aneurysms, very soft coils, often called "finishing coils," are usually selected in the final stage of coil embolization. The authors developed a radiolucent coil made of thin nylon thread to evaluate the performance of coils under a situation simulating the course of embolization. The characteristics of various types of finishing coils were investigated using radiolucent coils. Experimental embolization was performed with a silicone aneurysm filled with radiolucent coils simulating the final stage of embolization...
April 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28304199/jailed-double-microcatheter-technique-following-horizontal-stenting-for-coil-embolization-of-intracranial-wide-necked-bifurcation-aneurysms-a-technical-report-of-two-cases
#18
Takahiro Kitahara, Taketo Hatano, Makoto Hayase, Etsuko Hattori, Akinori Miyakoshi, Takehiko Nakamura
The horizontal stenting technique facilitates endovascular treatment of wide-necked bifurcation intracranial aneurysms. Previous literature shows, however, that subsequent coil embolization at initial treatment results in incomplete obliteration in many cases. The authors present two consecutive cases of wide-necked large bifurcation aneurysms to describe an additional coil embolization technique following horizontal stenting. The patients were a 53-year-old female with an unruptured internal carotid artery terminus aneurysm and a 57-year-old female with a recurrent basilar artery tip aneurysm...
April 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28304190/the-second-generation-eclips-endovascular-clip-system-initial-experience
#19
Albert H Chiu, Joost De Vries, Cian J O'Kelly, Howard Riina, Ian McDougall, Jonathan Tippett, Martina Wan, Airton Leonardo de Oliveira Manoel, Thomas R Marotta
OBJECTIVE Treatment of wide-necked intracranial aneurysms is associated with higher recanalization and complication rates; however, the most commonly used methods are not specifically designed to work in bifurcation lesions. To address these issues, the authors describe the evolution in the design and use of the eCLIPs (Endovascular Clip System) device, a novel hybrid stent-like assist device with flow diverter properties that was first described in 2008. METHODS A registry was established covering 13 international centers at which patients were treated with the second-generation eCLIPs device...
March 17, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28304189/physiological-remodeling-of-bifurcation-aneurysms-preclinical-results-of-the-eclips-device
#20
Thomas R Marotta, Howard A Riina, Ian McDougall, Donald R Ricci, Monika Killer-Oberpfalzer
OBJECTIVE Intracranial bifurcation aneurysms are complex lesions for which current therapy, including simple coiling, balloon- or stent-assisted coiling, coil retention, or intrasaccular devices, is inadequate. Thromboembolic complications due to a large burden of intraluminal metal, impedance of access to side branches, and a high recurrence rate, due largely to the unmitigated high-pressure flow into the aneurysm (water hammer effect), are among the limitations imposed by current therapy. The authors describe herein a novel device, eCLIPs, and its use in a preclinical laboratory study that suggests the device's design and functional features may overcome many of these limitations...
March 17, 2017: Journal of Neurosurgery
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