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Coil embolization

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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
#1
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/28728535/endovascular-occlusion-of-pial-arteriovenous-macrofistulae-using-pcanvas1-and-adenosine-induced-asystole-to-control-nbca-injection
#2
P Lylyk, J Chudyk, C Bleise, C Serna Candel, M Aguilar Pérez, H Henkes
Background In large-caliber pial macrofistulae (pMF), the combination of high blood flow velocity and large efferent artery diameter makes control over the endovascular vessel occlusion difficult and may result in the inadvertent venous passage of occlusive devices or embolic agents. Case descriptions Patient 1: A 27-year-old man presented with headache and ataxia. An infratentorial pMF supplied by both superior cerebellar arteries with venous ectasia was found. The first treatment attempt using balloons and coils failed since the position of either device could not be controlled because of a distal diameter of the feeding artery of 8 mm...
January 1, 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28725517/preoperative-embolization-for-skull-base-meningiomas
#3
Kensuke Suzuki, Masaya Nagaishi, Yoshiyuki Matsumoto, Yoshiko Fujii, Yuki Inoue, Yoshiki Sugiura, Koji Hirata, Ryotaro Suzuki, Yosuke Kawamura, Ryuta Nakae, Yoshihiro Tanaka, Akio Hyodo
The results of preoperative embolization for skull base meningiomas were retrospectively evaluated to confirm the efficacy of this procedure. Skull base meningiomas that were treated with preoperative embolization were evaluated in 20 patients. The occluded arteries, embolic materials, treatment time, excision rate, neurologic manifestations, and complications were analyzed. The embolic material was 80% liquid, 30% coils, and 15% particles. The surgery was normally completed within 3 to 5 hours. Blood loss was normally approximately 250 mL, excluding four patients having the following conditions: malignant meningioma, a large tumor located on the medial side of the sphenoidal ridge, the petroclival tumor, and infiltrated tumor into the sigmoid sinus...
August 2017: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/28720746/-a-rare-case-of-ruptured-internal-carotid-posterior-communicating-artery-aneurysm-associated-with-contralateral-delayed-oculomotor-nerve-palsy
#4
Chika Somagawa, Yutaka Fukuda, Shota Yoshimura, Kei Satoh, Takeshi Hiu, Tomonori Ono, Ryujirou Ushijima, Keisuke Toda, Keisuke Tsutsumi
A 55-year-old man presented with difficulty breathing, chest pain, and disturbance of consciousness, and was transferred to our hospital. Initial whole body CT revealed a diffuse subarachnoid hemorrhage(SAH)with severe pulmonary edema that was considered neurogenic in origin. He received controlled ventilation under sedation and conservative care for the SAH. One day after the onset of the SAH, his left pupil suddenly became dilated to 6mm, with no reaction to light. Head CT showed no new bleeding. Subsequent CT angiogram revealed a right internal carotid-posterior communicating artery aneurysm(IC-PC AN)with a posterior-lateral projection; however, no vessel abnormality was observed in the left anterior or posterior circulations...
July 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28720741/-transvenous-embolization-by-direct-puncture-of-the-superior-sagittal-sinus-using-indocyanine-green-icg-videoangiography-for-treatment-of-dural-arteriovenous-fistula-of-the-transverse-sigmoid-sinus-a-case-report
#5
Jo Matsuzaki, Kenichi Kono, Arisa Umesaki, Yojiro Kashimura, Hiroaki Matsumoto, Tomoaki Terada
We report a case of dural arteriovenous fistula at the left transverse sinus and sigmoid sinus(TS-dAVF), which was treated with transvenous embolization(TVE)by direct puncture of the superior sagittal sinus(SSS)under indocyanine green(ICG)fluoroscopic guidance. A 71-year-old woman presented with pulsatile tinnitus and progressive dementia. A left TS-dAVF with retrograde SSS and cortical venous reflux(Cognard type IIb)was demonstrated on cerebral angiography. The left internal jugular vein and distal portion of the right transverse sinus were occluded...
July 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28720740/-tentorial-dural-arteriovenous-fistula-successfully-treated-with-transvenous-embolization-using-a-double-catheterization-technique-through-venous-drainage-a-case-report
#6
Akira Yamakawa, Atsushi Fujita, Hirotomo Tanaka, Mitsuru Ikeda, Masashi Morikawa, Eiji Kohmura
BACKGROUND: Tentorial dural arteriovenous fistulas(dAVFs)are a rare clinical entity accounting for less than 10% of all intracranial dAVFs. Because these lesions are characterized by high hemorrhagic risk, aggressive treatment should be considered. Although the number of reported cases treated with endovascular transarterial embolization(TAE)using glue has been increasing, little is known about the transvenous approach. Here, we report the case of a patient with a tentorial dAVF who was successfully treated with transvenous embolization(TVE)through venous drainage using a double catheterization technique...
July 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28712734/combined-direct-and-indirect-traumatic-carotid-cavernous-fistula-ccf-case-report-and-review-of-the-literature
#7
Isaac Josh Abecassis, Ryan P Morton, Louis J Kim, Basavaraj V Ghodke, Michael R Levitt
BACKGROUND: Within the current Barrow classification system, there are no categorical descriptions or reports in the literature of cavernous carotid fistulas (CCFs) with both a direct component (type A) and separate indirect contribution (type B, C, or D). We report the first definitive case of a combined simultaneous traumatic direct and indirect CCF, and review the literature on the similar existing entity of traumatic indirect CCFs presenting delayed and subsequent to the treatment of traumatic, direct CCFs...
July 13, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28711532/an-intraoperative-look-at-a-residual-recurrent-tentorial-dural-arteriovenous-fistula
#8
Bradley A Gross, Andrew F Ducruet, Brian T Jankowitz, Paul A Gardner
BACKGROUND: Dural arteriovenous fistulas (dAVF)s are often treated via transarterial or transvenous embolization. Incomplete penetration of the draining vein/occult residual will often become apparent on follow-up angiography, requiring repeat embolization, or at times, surgical resection. CASE DESCRIPTION: A 41 year old female presented with cerebellar hemorrhage from a tentorial dAVF treated with transvenous coil embolization. Follow-up angiography disclosed a residual/recurrent fistula treated with transvenous Onyx embolization...
July 12, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28710085/risk-factors-for-and-outcomes-of-intraprocedural-rupture-during-endovascular-treatment-of-unruptured-intracranial-aneurysms
#9
Shuhei Kawabata, Hirotoshi Imamura, Hidemitsu Adachi, Shoichi Tani, So Tokunaga, Takayuki Funatsu, Keita Suzuki, Nobuyuki Sakai
BACKGROUND AND PURPOSE: The risk factors for intraprocedural rupture (IPR) of unruptured intracranial aneurysms (UIAs) and the outcomes of IPR itself are unclear. This study was performed to identify the independent risk factors for and outcomes of IPR. MATERIALS AND METHODS: We retrospectively evaluated the medical records and radiologic data of 1375 patients (1406 UIAs) who underwent coil embolization from January 2001 to October 2016. RESULTS: IPR occurred in 20 aneurysms of 20 patients (1...
July 14, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28707386/efficacy-and-safety-of-a-coagulated-thrombus-injection-for-peripheral-artery-perforation-the-coagulated-thrombus-hemostasis-method
#10
Takahiro Tokuda, Keisuke Hirano, Masahiro Yamawaki, Motoharu Araki, Norihiro Kobayashi, Shinsuke Mori, Yasunari Sakamoto, Hideyuki Takimura, Masakazu Tsutsumi, Yoshiaki Ito
BACKGROUND: This retrospective study assesses the safety and efficacy of using a thrombus injection for treatment a peripheral artery perforation. METHODS AND RESULTS: From March 2013 to April 2016, we performed 1,152 endovascular treatment (EVT) at our hospital. Of these, 28 peripheral artery perforations occurred during the EVT procedure and 20 were treated with a thrombus, which we artificially created. The thrombus comprised the patient's blood and thrombin...
July 14, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28706764/neuroradiological-endovascular-intervention-for-diplopia-in-a-case-of-aneurysmal-aberrant-regeneration-of-the-third-nerve
#11
Anupam C A Rao, Saumil A Shah, Benjamin W C Sim, Steven T H Yun, Neeranjali S Jain, Yashar Kalani, Ian C Francis
Aberrant regeneration of the third nerve occurs as a result of synkinetic 'miswiring' of the third nerve following its injury, such as in third cranial nerve palsy due to tumor, trauma, or aneurysm. The case presented is an elderly woman with new vertical diplopia, which led to a diagnosis of a third cranial nerve palsy, thought to be caused by a 5 mm blister aneurysm of the posterior communicating artery. However, neuro-ophthalmological evaluation diagnosed aberrant regeneration of the third nerve, with the cause of her new vertical diplopia being an ipsilateral fourth nerve palsy...
June 12, 2017: Curēus
https://www.readbyqxmd.com/read/28705593/parallel-placement-of-excluder-legs-for-treatment-of-type-iiib-endoleaks-caused-by-fabric-tear-after-endovascular-aneurysm-repair
#12
Takashi Hashimoto, Noriyuki Kato, Toshiya Tokui, Yoichiro Miyake, Michihiro Nasu, Ken Nakajima, Takatoshi Higashigawa, Shuji Chino
A total of 576 patients underwent endovascular aneurysm repair using main body devices for treatment of abdominal aortic aneurysms or iliac artery aneurysms. During follow-up, type IIIb endoleaks caused by fabric tear occurred in six patients (1.0% [6/576]). The device used was Zenith (Cook Medical, Bloomington, Ind) in five cases and Talent (Medtronic, Santa Rosa, Calif) in one case. All endoleaks were close to the flow divider of the main body devices. The distance between the lower renal artery and the top end of the contralateral leg was 53 ± 14 mm...
July 11, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28702115/staged-arterial-and-venous-embolizations-in-treatment-of-type-iv-intraosseous-dural-arteriovenous-fistula
#13
Aleksandra V Betcher, Andrew W Schnure, Paul H Janda, Rajneesh Agrawal, Amandeep Dhillon
OBJECTIVE: This is a case report of an adult male with complex type IV intraosseous DAVF causing severe venous hypertension and bony destruction, presenting with severe hemotympanum, and a novel way of staged arterial and venous embolizations to treat the emergent symptoms. METHODS: First and second stages were direct selective arterial embolizations using Onyx liquid agent. Goal was to reduce flow into the fistula by embolizing the feeder branch and distal penetration of the nidus with Onyx...
June 2017: Journal of Vascular and Interventional Neurology
https://www.readbyqxmd.com/read/28701605/role-of-transesophageal-echocardiography-in-surgical-retrieval-of-embolized-amplatzer-device-and-closure-of-coronary-cameral-fistula
#14
Bhupesh Kumar, Alok Kumar, Ganesh Kumar, Harkant Singh
Congenital coronary artery fistula is an uncommon anomaly. Transcatheter coil embolization or Amplatzer vascular plug device closure of fistula is often done in symptomatic patients with safe accessibility to the feeding coronary artery. Embolization of Amplatzer vascular plug device is rare. We report an 11-year-old male child who presented to us with increasing shortness of breath for 7 years. He had a history of Amplatzer vascular plug device closure of right coronary-cameral fistula 8 years back. Echocardiography demonstrated a dilated aneurysmal right coronary artery with turbulent jet entering into the right ventricle (RV) and device embolized into the left pulmonary artery (LPA)...
July 2017: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/28700894/preparation-of-an-au-pt-alloy-free-from-artifacts-in-magnetic-resonance-imaging
#15
Tomonobu Kodama, Ryusuke Nakai, Kenji Goto, Kunihiro Shima, Hiroo Iwata
PURPOSE: When magnetic resonance imaging (MRI) is performed on patients carrying metallic implants, artifacts can disturb the images around the implants, often making it difficult to interpret them appropriately. However, metallic materials are and will be indispensable as raw materials for medical devices because of their electric conductivity, visibility under X-ray fluoroscopy, and other favorable features. What is now desired is to develop a metallic material which causes no artifacts during MRI...
July 9, 2017: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/28699424/endovascular-repair-of-subclavian-artery-aneurysms-results-from-a-single-center-experience
#16
XiXiang Gao, LiQiang Li, YongQuan Gu, LianRui Guo, ShiJun Cui, LiXing Qi, JianXin Li, Jian Zhang
OBJECTIVE: To present our experience of the endovascular treatment of subclavian artery aneurysms (SAAs) and analyze the clinical manifestations, imaging findings and treatment outcomes. METHODS: In this retrospective study, nine patients with SAAs underwent endovascular stent placement in our center between July 2011 and June 2016. Clinical features, imaging findings, treatment outcomes and follow-up results of these SAA patients were retrospectively analyzed. RESULTS: Nine patients were diagnosed with SAAs by computer tomography angiography (CTA)...
July 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28697942/outcomes-for-concomitant-common-iliac-artery-aneurysms-after-endovascular-abdominal-aortic-aneurysm-repair
#17
Mohsen Bannazadeh, Christina Jenkins, Andrew Forsyth, Jason Kramer, Ankur Aggarwal, Amy E Somerset, Paul G Bove, Graham W Long
OBJECTIVE: This study evaluated the morbidity of endovascular abdominal aortic aneurysm repair (EVAR) in patients with concomitant common iliac artery aneurysm (CCIAA). METHODS: This was a retrospective review of all patients who underwent elective EVAR from June 2006 through June 2012 at a single institution. Demographics, comorbidities, preoperative presentation, intraoperative details, and postoperative complications were tabulated. Patients with CCIAA were categorized into three groups according to the distal extent of their iliac limb: iliac limb extension into the external iliac artery with internal iliac artery coil embolization (EE); flared iliac limb ≥20 mm in diameter to the iliac bifurcation (FL); and iliac limb ≤20 mm ending proximal to the CCIAA (no-FL)...
July 8, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28694042/ruptured-choroidal-artery-aneurysms-in-patients-with-moyamoya-disease-two-case-series-and-review-of-the-literatures
#18
You-Sub Kim, Sung-Pil Joo, Gwang-Jun Lee, Jae-Young Park, Sang-Deok Kim, Tae-Sun Kim
Distal peripheral artery aneurysms in moyamoya disease (MMD) remain difficult to treat given their deep location, small size, and fragility. Here, we report two cases of choroidal artery aneurysms associated with MMD who were treated through direct clipping and coil embolization. Timing of aneurysm formation remains unclear, however, annual follow-up DSA for surveillance of hemodynamic status is necessary and prompt treatment of aneurysm should be performed when diagnosed. Moreover, choroidal artery aneurysms may benefit from endovascular coil embolization due to their characteristics...
July 7, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28693075/-preliminavy-clinical-study-of-the-treatment-of-hemorrhoids-by-superselective-embolization-of-superior-rectal-artery
#19
C S Luo, Y P Jia, A W Mao, W Yang
Objective: To investigate the safety and feasibility of the treatment of hemorrhoids by superselective arterial embolization. Methods: The clinical data of 15 patients with grade Ⅱ to Ⅳ hemorrhoids were collected who were treated by superselective SRA embolization.According to the number and shape of SRA in the vicinity of the dentate line, chosed coils, PVA particles and gelfoam particles, ethanol and bletilla mixture of gelfoam particles for embolization.And intraoperative operations, postoperative complications, follow-up treatment results were observed...
July 4, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28690999/early-experiences-of-sandwich-technique-to-preserve-pelvic-circulation-during-endovascular-aneurysm-repair
#20
Daehwan Kim, Jung Kee Chung, Hyung Sub Park, In Mok Jung, Taeseung Lee
PURPOSE: To report experiences of the sandwich technique (ST) for preservation of pelvic flow during endovascular repair of complex aortic or aortoiliac aneurysms. MATERIALS AND METHODS: Eight patients underwent elective endovascular aneurysm repair (EVAR) using the ST between March 2013 and February 2017. The anatomic indications for the ST were complex aortoiliac aneurysms (5 cases), abdominal aortic aneurysms (AAA) with non-diseased short common iliac arteries (2 cases) and AAA with unilateral occluded iliac artery (1 case)...
June 2017: Vascular Specialist International
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