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Stent cerebral aneurysm

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https://www.readbyqxmd.com/read/28754807/balloon-assisted-coil-embolization-and-large-stent-delivery-for-cerebral-aneurysms-with-a-new-generation-of-dual-lumen-balloons-copernic-2l
#1
Adrien Guenego, Jean-Baptiste Zerlauth, Francesco Puccinelli, Steven Hajdu, David C Rotzinger, Felix Zibold, Eike I Piechowiak, Pasquale Mordasini, Jan Gralla, Tomas Dobrocky, Roy T Daniel, René Chapot, Pascal J Mosimann
INTRODUCTION: Dual coaxial lumen balloon microcatheters through which small stents can be delivered have recently been described. We report a series of a new type of dual lumen balloon catheter with a parallel lumen design enabling enhanced inflation and deflation properties through which larger stents may be deployed, including flow diverters (FD). METHODS: All aneurysms that were treated with a Copernic 2L (COP2L) dual lumen balloon catheter at our institution between February 2014 and December 2016 were assessed...
July 28, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28748256/bioresorbable-vascular-scaffolds-in-interventional-neuroradiology
#2
Anil Arat, Ergun Daglioglu, Ilkay Akmangit, Ahmet Peker, Murat Arsava, Mehmet Akif Topcuoglu, Deniz Belen
PURPOSE: Bioresorbable vascular scaffolds (BVS) have changed practice patterns in cardiology. These resorbable stents have not yet been utilized in the cerebrovascular circulation. We report the initial experiences with these devices in interventional neuroradiology. METHODS: A retrospective review of clinical presentations, imaging findings and follow-up results of all patients treated using a BVS by our neurovascular team was carried out using hospital electronic charts and the hospital radiographic archive system...
July 26, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28728537/super-selective-coil-embolization-of-a-basilar-perforator-artery-aneurysm-previously-treated-by-the-stent-in-stent-technique-using-an-extremely-soft-bare-coil-delivered-through-a-one-marker-microcatheter
#3
Yves Chau, Marina Sachet, Jacques Sédat
Background Aneurysms of the perforating arteries arising from the basilar artery trunk are rare and represent a therapeutic challenge. Methods A basilar perforator aneurysm was initially treated by the stent-in-stent technique. Enlargement of the aneurysm was seen on follow up and the sac was secondarily coiled using two extremely soft bare coils, delivered through a one-marker microcatheter. Results At 6 months, the patient had a modified Rankin Scale score of 0 and cerebral arteriography demonstrated complete occlusion of the lesion...
January 1, 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28697712/intravenous-administration-of-tirofiban-versus-loading-dose-of-oral-clopidogrel-for-preventing-thromboembolism-in-stent-assisted-coiling-of-intracranial-aneurysms
#4
Wang Zi-Liang, Liang Xiao-Dong, Li Tian-Xiao, Zhu Liang-Fu, Xue Jiang-Yu, Bai Wei-Xing, He Ying-Kun, Xu Gang-Qin, Shao Qiu-Ji, Li Li, Feng Guang, Li Zhao-Shuo
Background Thromboembolic complications after stenting of intracranial aneurysms may be affected by antiplatelet administration. Aims This retrospective study aimed to assess the safety of intravenous tirofiban versus loading dose of oral clopidogrel for preventing thromboembolism in stent-assisted coiling of intracranial aneurysms. Methods From January 2006 to December 2013, 281 patients with cerebral aneurysms were treated with stent-coiling using two antiplatelet strategies in comparison: the initial strategy (a loading dose of ≥300 mg clopidogrel followed by dual antiplatelet, clopidogrel group) and the modified strategy (intravenous administration of tirofiban 8 µg/kg over 3 min followed by a maintenance dose of 0...
July 2017: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/28674346/diagnosis-and-treatment-of-traumatic-cerebrovascular-injury-pitfalls-in-the-management-of-neurotrauma
#5
Hitoshi Kobata
Traumatic cerebrovascular injury (TCVI) is an uncommon clinical entity in traumatic brain injury (TBI), yet it may cause devastating brain injury with high morbidity and mortality. Early recognition and prioritized strategic treatment are of paramount importance. A total of 1966 TBI patients admitted between 1999 and 2015 in our tertiary critical care center were reviewed. Screening of TCVI was based on the Guidelines for the Management of Severe Head Injury in Japan. TCVI was confirmed in 33 (1.7%) patients; 29 blunt and 4 penetrating injuries...
June 30, 2017: Neurologia Medico-chirurgica
https://www.readbyqxmd.com/read/28664011/mechanical-thrombectomy-in-the-treatment-of-distal-occlusions-during-coil-embolization-of-ruptured-intracranial-aneurysms
#6
Francesco Briganti, Giuseppe Leone, Mariano Marseglia, Carmela Chiaramonte, Domenico Solari, Ferdinando Caranci, Paolo Cappabianca, Francesco Maiuri
The experience in the management of thromboembolic complications of distal vessels during coil embolization using stent-retrievers in the setting of subarachnoid hemorrhage (SAH) is still limited. We report a case of 58-year-old woman with a ruptured small anterior communicating aneurysm who experienced during coil embolization a thromboembolic occlusion of the upper post-bifurcation branch of the middle cerebral artery. Mechanical thrombectomy with a stent-retriever (Solitaire, Covidien, Neurovascular) resulted in complete recanalization of the occluded branch with no ischemic complication...
October 2016: NMC Case Rep J
https://www.readbyqxmd.com/read/28626262/a-case-of-anterior-communicating-artery-aneurysm-successfully-treated-after-a-stent-migration-during-stent-assisted-endovascular-coil-embolization
#7
Tomotaka Ohshima, Andrey Belayev, Shunsaku Goto, Taiki Yamamoto, Kojiro Ishikawa, Yoko Kato
Stent migration is a complication associated with endovascular coil embolization of intracranial aneurysms. We report a case of anterior communicating artery (ACoA) aneurysm that was successfully treated after stent migration during endovascular coil embolization without retrieval of the stent. A 47-year-old man presented with sudden onset severe headache. Patient was noted to have subarachnoid hemorrhage from a ruptured ACoA aneurysm. Emergency endovascular coil embolization was performed. The second coil embolization was scheduled for the neck-remnant portion with a stent after 16 days from the initial operation...
February 2017: Nagoya Journal of Medical Science
https://www.readbyqxmd.com/read/28602923/successful-hybrid-neurovascular-surgery-for-a-ruptured-basilar-artery-dissecting-aneurysm-in-a-patient-with-jeopardized-collateral-circulation-associated-with-aortitis-syndrome-case-report
#8
Kazuaki Yamamoto, Takahisa Mori, Tsuyoshi Watanabe, Tomonori Iwata, Gakuji Gondo, Masahiko Tanaka, Satoshi Tanaka
BACKGROUND: Dissecting aneurysms of the basilar artery (BA) are rare lesions and the management of them has been controversial and challenging. The treatment becomes much more difficult when the patient has a disorder such as aortitis syndrome, which makes cerebral arteries occluded and tortuous. The authors describe a case of a ruptured BA dissecting aneurysm associated with aortitis syndrome, successfully treated with hybrid neurovascular surgery. CASE DESCRIPTION: A 64-year-old woman with a medical history of aortitis syndrome developed a severe headache and was diagnosed with a subarachnoid hemorrhage from a BA dissecting aneurysm...
June 8, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28594797/-single-centre-experience-with-implantation-of-the-e-vita-open-plus-hybrid-stent-graft
#9
B N Kozlov, D S Panfilov, V V Saushkin, M S Kuznetsov, G G Nasrashvili, A V Andriianova, V M Shipulin
Hybrid technologies appear to have been gaining ground in surgery of the thoracic aorta. The present study was aimed at assessing the immediate clinical outcomes of surgical treatment of diseases of the thoracic aorta by means of the 'E-vita open plus' hybrid stent graft. The 'E-vita open plus' hybrid stent graft was implanted to 18 patients. All operations were carried out in the conditions of moderate hypothermia. The brain was protected by unilateral cerebral perfusion through the brachiocephalic trunk. The duration of artificial circulation averagely amounted to 265...
2017: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/28587530/endovascular-treatment-of-wide-neck-intracranial-bifurcation-aneurysms-with-y-configuration-double-neuroform%C3%A2-stents-assisted-coiling-technique-experience-in-a-single-center
#10
C Castaño, M Terceño, S Remollo, M R García-Sort, C Domínguez
Background Intracranial wide-neck aneurysms at the arterial bifurcations, especially in the aneurysms where the bifurcating branches emanate directly from the base of the aneurysm, have been particularly difficult on which to perform endovascular treatment. The 'Y'-configuration, double stent-assisted coil embolization is an option for the treatment of these difficult aneurysms, allowing the closure of the aneurysm, preserving the parent arteries. Material and methods In a nine-year period, 546 intracranial aneurysms in 493 patients were treated at our center by endovascular approach...
January 1, 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28584947/mechanical-recanalization-using-solitaire-ab-device-for-severe-thromboembolic-events-in-endovascular-treatment-of-intracranial-aneurysms
#11
Qiuji Shao, Liangfu Zhu, Tianxiao Li, Li Li, Yingkun He, Kaitao Chang, Xiaodong Liang
INTRODUCTION: Severe thromboembolism with complete occlusion of the proximal arteries during or after coil embolization can cause serious neurologic deficits. The study aimed to assess the effectiveness and safety of Solitaire AB device as a rescue therapy for severe thromboembolic complications in the endovascular treatment of intracranial aneurysms. MATERIALS AND METHODS: Between February 2013 and April 2016, 1047 intracranial aneurysms treated with endovascular procedures were retrospectively reviewed in our center...
June 5, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28565984/novel-use-of-flow-diversion-for-the-treatment-of-aneurysms-associated-with-arteriovenous-malformations
#12
Craig Kilburg, Philipp Taussky, M Yashar S Kalani, Min S Park
The use of flow-diverting stents for intracranial aneurysms has become more prevalent, and flow diverters are now routinely used beyond their initial scope of approval at the proximal internal carotid artery. Although flow diversion for the treatment of cerebral aneurysms is becoming more commonplace, there have been no reports of its use to treat flow-related cerebral aneurysms associated with arteriovenous malformations (AVMs). The authors report the cases of 2 patients whose AVM-associated aneurysms were managed with flow diversion...
June 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28549641/treatment-of-moyamoya-disease-and-unruptured-intracranial-aneurysm-in-floating-harbor-syndrome
#13
Daniel J Coughlin, Charles A Miller, A Jesse Schuette
BACKGROUND: This is the first report of the successful treatment of moyamoya disease and an unruptured intracranial aneurysm in a patient with Floating-Harbor syndrome. CASE DESCRIPTION: A 35-year-old, phenotypically syndromic woman presented with signs and symptoms consistent with ischemic stroke. Magnetic resonance imaging and catheter angiography confirmed diagnosis of moyamoya and a 6-mm basilar apex artery aneurysm (BAA). She underwent right-sided craniotomy for direct and indirect revascularization by means of superficial temporal artery-middle cerebral artery bypass and encephalo-duro-arterio-synangiosis...
August 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28488070/cerebral-aneurysm-neck-diameter-is-an-independent-predictor-of-progressive-occlusion-after-stent-assisted-coiling
#14
Masahito Nakazaki, Tadashi Nonaka, Tatsufumi Nomura, Toshiyuki Onda, Yasuyuki Yonemasu, Akira Takahashi, Yuji Hashimoto, Osamu Honda, Shinichi Oka, Masanori Sasaki, Masahiko Daibo, Osamu Honmou
BACKGROUND: Some intracranial aneurysms treated by stent-assisted coiling (SAC) with incomplete occlusion undergo progressive occlusion (PO) during follow-up period. We analyzed the predictors for the occurrence of PO. METHODS: Among 74 cerebral aneurysms treated by SAC using the Enterprise or Neuroform stents from 2010 to 2015, we included 43 aneurysms with occlusion grade of neck remnant (NR, n = 36) or residual aneurysm (RA, n = 7) at the post-procedure. We defined PO as improvement in occlusion grade from RA to NR, or from NR or RA to complete occlusion on angiographic follow-up imaging at 6 months after the procedure...
July 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28487360/ultrasound-for-the-evaluation-of-stenosis-after-flow-diversion
#15
Cameron M McDougall, Khurshid Khan, Maher Saqqur, Andrew Jack, Jeremy Rempel, Carol Derksen, Yin Xi, Michael Chow
BACKGROUND AND PURPOSE: Flow diversion is a relatively new strategy used to treat complex cerebral aneurysms. The optimal method for radiographic follow-up of patients treated with flow diverters has not been established. The rate and clinical implications of in-stent stenosis for these devices is unclear. We evaluate the use of transcranial Doppler ultrasound (TCD) for follow-up of in-stent stenosis. MATERIALS AND METHODS: We analyzed 28 patients treated with the Pipeline embolization device (PED) over the course of 42 months from January 2009 to June 2012...
May 9, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28468214/efficacy-and-safety-of-willis-covered-stent-for-treatment-of-internal-carotid-artery-aneurysms
#16
Chunhai Tang, Songtao Qi
OBJECTIVE: The purpose of this study was to evaluate the clinical and short-term outcome of patients who underwent covered stent treatment for internal carotid artery aneurysms. METHODS: Twelve cases patients with internal carotid artery aneurysms were treated with Willis covered stents during the period from December 2010 to January 2016. The guiding catheter was placed as high as possible to facilitate the delivery of the covered stent system. RESULTS: Covered stent placement was successful in 11 of 12 case patients (91...
May 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28458385/recent-trends-in-neuro-endovascular-treatment-for-acute-ischemic-stroke-cerebral-aneurysms-carotid-stenosis-and-brain-arteriovenous-malformations
#17
Yuji Matsumaru, Eiichi Ishikawa, Tetsuya Yamamoto, Akira Matsumura
The efficacy of mechanical thrombectomy with stent retrievers for emergent large vessel occlusion has been proved by randomized trials. Mechanical thrombectomy is increasingly being adopted in Japan since stent retrievers were first approved in 2014. An urgent clinical task is to offer structured systems of care to provide this treatment in a timely fashion to all patients with emergent large vessel occlusion. Treatment with flow-diverting stents is currently a preferred treatment option worldwide for large and giant unruptured aneurysms...
June 15, 2017: Neurologia Medico-chirurgica
https://www.readbyqxmd.com/read/28439656/-management-of-paraophthalmic-aneurysms-review-of-endovascular-treatment-strategies
#18
P Bhogal, M Aguilar Pérez, G Sauder, H Bäzner, O Ganslandt, H Henkes
BACKGROUND: Aneurysms of the cerebral vessels are relatively common and aneurysms of the ophthalmic segment of the internal carotid artery (ICA) represent approximately 10% of intradural aneurysms. ANATOMICAL ASPECTS: The ophthalmic segment of the ICA extends from the origin of the ophthalmic artery to the origin of the posterior communicating artery. Aneurysms can originate from the ophthalmic artery itself or directly from the ICA at a distance from the ophthalmic artery...
April 24, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/28438653/the-fate-of-side-branches-covered-by-flow-diverters-results-from-140-patients
#19
Pervinder Bhogal, Oliver Ganslandt, Hansjörg Bäzner, Hans Henkes, Marta Aguilar Pérez
BACKGROUND: Flow diverter stents (FDS) are a recognized treatment option for intracranial aneurysms. There remain ongoing concerns regarding the safety of FDS, especially regarding the fate of covered side branches. We report the patency of side branches covered by FDS. METHODS: We retrospectively reviewed our database of prospectively collected information for all patients treated with FDS for an unruptured saccular aneurysm of the clinoid, ophthalmic, and terminating segments of the internal carotid artery between September 2009 and July 2016...
July 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28430600/risk-factors-for-the-recurrence-of-an-intracranial-saccular-aneurysm-following-endovascular-treatment
#20
De-Zhang Huang, Bin Jiang, Wei He, Yi-Hua Wang, Zhi-Gang Wang
BACKGROUND: This study was aimed to determine risk factors for the recurrence of an intracranial saccular aneurysm (ISA) following endovascular treatment. The findings will help medical professionals to identify patients having a high risk of ISA recurrence and assist them in developing appropriate follow-up plans. RESULTS: During the follow-up period, 12.6% of the patients (83/658) experienced recurrent ISAs. An analysis of related factors, including gender, age, hypertension, diabetes mellitus, smoking, tumor size, width of the aneurysm neck, the presence or absence of a rupture, the volume embolization ratio (VER), the application or nonapplication of a stent, and follow-up time, revealed that a tumor size > 10 mm in diameter, wide-necked aneurysms, an anterior communicating or middle cerebral artery aneurysm, an aneurysm rupture, a VER < 20%, the absence of stent assistance, and follow-up time were high-risk factors for the recurrence of ISAs...
May 16, 2017: Oncotarget
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