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Aneurysm embolization

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https://www.readbyqxmd.com/read/28647997/-endovascular-management-and-classification-of-the-dissecting-aneurysms-of-the-vertebral-artery
#1
Y Z Zang, Z G Wang, C W Wang, X Ding, X F Wang, L L Wang
Objective: To summarize the classifications and optimize endovascular treatment of the dissecting aneurysms of the vertebral artery (DAVA). Methods: The clinical information of 39 cases of DAVA treated with endovascular methods in our department between January 2007 and September 2016 were analyzed retrospectively.According to the location of the aneurysm in relation to the posterior inferior cerebellar artery (PICA), the aneurysms were classified into three types: type pre-PICA, located proximally to the PICA; type in-PICA, located at the PICA origin; and type post-PICA located distally to the PICA...
June 20, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28645602/clinical-application-of-insertion-force-sensor-system-for-coil-embolization-of-intracranial-aneurysms
#2
Noriaki Matsubara, Shigeru Miyachi, Takashi Izumi, Hiroyuki Yamada, Naoki Marui, Keisuke Ota, Hayato Tajima, Kazunori Shintai, Masashi Ito, Tasuku Imai, Masahiro Nishihori, Toshihiko Wakabayashi
INTRODUCTION: In endovascular embolization for intracranial aneurysms, it is important to properly control the coil insertion force. However, the force can only be subjectively detected by the subtle feedback experienced by the neurointerventionists at their fingertips. The authors envisioned a system that would objectively sense and quantify that force. In this article, coil insertion force was measured in cases of intracranial aneurysm using this sensor, and its actual clinical application was investigated...
June 20, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28642793/repair-of-thoracoabdominal-aortic-aneurysm-with-thrombosed-infrarenal-component-a-modified-hybrid-technique-without-aortic-cross-clamping
#3
Hussam Abou-Al-Shaar, Khaled J Zaza, Muhammad Anees Sharif, Samer Koussayer
The authors report the successful repair of a Crawford type III thoracoabdominal aortic aneurysm (TAAA) with a thrombosed infrarenal component using a modified hybrid technique without aortic clamping in a high-risk patient. A 64-year-old male with a history of hypertension, diabetes, and severe chronic obstructive pulmonary disease presented with acute on chronic backache and bilateral short distance claudication. A computerized tomography scan demonstrated a large, nonleaking Crawford type III TAAA with thrombosed infrarenal component of the aneurysm...
2017: Case Reports in Medicine
https://www.readbyqxmd.com/read/28638672/response-to-comment-on-failure-of-the-pipeline-embolization-device-in-posterior-communicating-artery-aneurysms-associated-with-a-fetal-posterior-cerebral-artery
#4
COMMENT
Mario Zanaty, Nohra Chalouhi, Robert M Starke, Pascal Jabbour, Katherine O Ryken, Ketan R Bulsara, David Hasan
No abstract text is available yet for this article.
2017: Case Reports in Vascular Medicine
https://www.readbyqxmd.com/read/28637821/endovascular-management-of-aneurysms-associated-with-spinal-arteriovenous-malformations
#5
Sung Chul Jung, Yunsun Song, Su Hee Cho, Joonggoo Kim, Seung Yeon Noh, Sang Hun Lee, Jae Jon Sheen, Seung Chul Rhim, Sang Ryong Jeon, Dae Chul Suh
BACKGROUND: Spinal aneurysms are rare among spinal arteriovenous malformations (SAVMs). There are few reports of endovascular management of spinal aneurysms associated with SAVM. OBJECTIVE: To present endovascular management of aneurysms associated with SAVM. METHODS: Of 91 patients with SAVMs,eight (9%) presented with aneurysms. Of these, three were male and five were female with a median age of 18 years (range 11-38). We evaluated the presenting pattern, lesion level, type of the target aneurysm related to the presenting pattern and AVM nidus, and the result obtained after embolization or open surgery...
June 21, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28634431/the-aftermath-of-a-hepatic-artery-aneurysm-a-rare-etiology-of-biliary-obstruction
#6
Catherine Linzay, Abhishek Seth, Kunal Suryawala, Ankur Sheth, Moheb Boktor, John Bienvenu, Robby Rahim, Guillermo P Sangster, Paul A Jordan
BACKGROUND: Hepatic artery aneurysms (HAAs) constitute 14% to 20% of visceral artery aneurysms. Most HAAs are asymptomatic. Although rare, obstructive jaundice due to external bile duct compression or rupture of the HAA into the biliary tree with occlusion of the lumen from blood clots has been reported. CASE PRESENTATION: A 56-year-old white man presented to an outside hospital with symptoms of obstructive jaundice, including abdominal pain and yellowing of the skin...
2017: Clinical Medicine Insights. Gastroenterology
https://www.readbyqxmd.com/read/28634052/management-of-wide-based-renal-artery-aneurysms-using-noncovered-stent-assisted-coil-embolization
#7
Xiaolong Wei, Yudong Sun, Yani Wu, Zhenjiang Li, Jiang Zhu, Zhiqing Zhao, Rui Feng, Zaiping Jing
OBJECTIVE: This study describes the safety and midterm efficacy of a noncovered stent-assisted embolization (SAE) technique in treating patients with wide-base renal artery aneurysms (RAAs). METHODS: Between February 2011 and June 2014, 34 RAAs in 28 consecutive patients were treated with noncovered SAE in our center. RESULTS: Technical success was 100%. During an average follow-up of 19 months, the systolic and diastolic blood pressures were significantly decreased...
June 17, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28633394/diagnostic-accuracy-of-somatosensory-evoked-potential-monitoring-in-evaluating-neurological-complications-during-endovascular-aneurysm-treatment
#8
William J Ares, Ramesh M Grandhi, David M Panczykowski, Gregory M Weiner, Parthasarathy Thirumala, Miguel E Habeych, Donald J Crammond, Michael B Horowitz, Brian T Jankowitz, Ashutosh Jadhav, Tudor G Jovin, Andrew F Ducruet, Jeffrey Balzer
BACKGROUND: Somatosensory evoked potential (SSEP) monitoring is used extensively for early detection and prevention of neurological complications in patients undergoing many different neurosurgical procedures. However, the predictive ability of SSEP monitoring during endovascular treatment of cerebral aneurysms is not well detailed. OBJECTIVE: To evaluate the performance of intraoperative SSEP in the prediction postprocedural neurological deficits (PPNDs) after coil embolization of intracranial aneurysms...
June 14, 2017: Operative Neurosurgery (Hagerstown, Md.)
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
#9
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/28625906/the-impact-of-associated-nidal-lesions-in-outcome-of-brain-arteriovenous-malformations-after-radiosurgery-with-or-without-embolization
#10
Carlos Michel A Peres, Evandro Cesar de Souza, Manoel Jacobsen Teixeira, Eberval G Figueiredo, Jose Guilherme M P Caldas
BACKGROUND: Radiosurgery is a valuable option to treat arteriovenous malformations. There are correlations between some morphological nidal features and final results, and the benefits of preradiosurgical embolization have not been well established thus far. METHODS: Analysis of a longitudinal cohort of 47 consecutive patients who underwent radiosurgery with or without previous embolization. Embolizations were performed exclusively with n-butyl cyanoacrylate. Radiosurgery was delivered either as a single or divided in up to 5 equal fractions...
June 15, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28625904/subarachnoid-hemorrhage-due-to-distal-superior-cerebellar-artery-dissection-in-neurofibromatosis-type-1
#11
Yuki Takeshima, Yuki Ohmori, Takashi Nakagawa, Yasuyuki Kaku, Jun-Ichi Kuratsu, Shigetoshi Yano
BACKGROUND: Neurofibromatosis type 1 (NF1) is a rare disease with an incidence of one in every 3000 births. Numerous studies have focused on the main function of NF1 as a tumor suppressor, while few have examined the cerebrovascular abnormalities observed in patients with NF1. It is worth noting that intracranial aneurysms are uncommon in this condition. CASE DESCRIPTION: We report a case of NF1 with a dissection of the distal segment of the superior cerebellar artery...
June 15, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28624566/4d-phase-contrast-mri-protocol-optimization-using-patient-specific-3d-printed-replicas-for-in-vivo-imaging-before-and-after-flow-diverter-placement
#12
Christof Karmonik, Jeff R Anderson, Saba Elias, Richard Klucznik, Orlando Diaz, Y Jonathan Zhang, Robert G Grossman, Gavin W Britz
PURPOSE: Hemodynamics in cerebral aneurysms is currently investigated towards its clinical efficacy using non-standardized computational simulation techniques. At the same time, flow patterns and velocities are accessible by 4D phase contrast magnetic resonance imaging (4D pcMRI). Complexity of protocol design and imaging duration has limited the use of this technique in clinical imaging. A new approach is presented to overcome these limitations. MATERIAL AND METHODS: 3D replicas of two cerebral aneurysms were fabricated by fused deposition prototyping (3D printing) and imaged using 4D pcMRI while connected to an MRI compatible continuous flow loop...
June 14, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28624000/aneurysms-of-the-azygos-vein
#13
REVIEW
Maximilian Kreibich, Matthias Siepe, Jochen Grohmann, Gregor Pache, Friedhelm Beyersdorf
OBJECTIVE: Azygos vein aneurysms (AVAs) are uncommon and infrequently diagnosed. When confronted with a patient presenting with an AVA, physicians can rely on only a few case reports after an extensive literature search. To date, no guideline, no rule, and no review on the optimal treatment strategy for these patients exist. METHODS: A PubMed and MEDLINE database search for papers and case reports describing AVA was performed. Cases from our own institutions were also reviewed...
July 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28619493/dynamic-4d-cta-for-neuro-vascular-pathologies-a-case-series
#14
Ahmed Alnemari, Tarek R Mansour, Mohamad Bazerbashi, Mark Buehler, Jason Schroeder, Daniel Gaudin
BACKGROUND: The aim of this article is to illustrate, summarize, and review the multifaceted application of four-dimensional computed tomography angiography (4D-CTA) in the characterization and diagnosis of various cerebrovascular and tumor-associated vascular pathologies through the presentation of clinical cases including acute/chronic stroke, arteriovenous malformations, aneurysm, moya-moya disease, and the hypervascularity associated with a tumor and its relationship to pre-operative embolization...
June 12, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28619490/use-of-simple-neck-extension-to-improve-guiding-catheter-accessibility-in-tortuous-cervical-internal-carotid-artery-for-endovascular-embolization-of-intracranial-aneurysm-a-technical-note
#15
Megumu Takata, Hitoshi Fukuda, Masanori Kinosada, Kosuke Miyake, Kenichi Murao
No abstract text is available yet for this article.
June 12, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28611839/utilization-of-a-novel-multi-durometer-intracranial-distal-access-catheter-nuances-and-experience-in-110-consecutive-cases-of-aneurysm-flow-diversion
#16
Geoffrey P Colby, Li-Mei Lin, Risheng Xu, Narlin Beaty, Matthew T Bender, Bowen Jiang, Judy Huang, Rafael J Tamargo, Alexander L Coon
BACKGROUND: Coaxial catheter support systems provide a safe and stable foundation in endovascular treatment of intracranial aneurysms. Increasingly, robust distal intracranial support is sought during complex neurointerventions. The AXS Catalyst 5 distal access catheter (Cat5) is a new intracranial catheter designed for improved trackability and stability. We report the first experience using Cat5 for aneurysm treatment by flow diversion. METHODS: A single-center aneurysm database was reviewed for cases of aneurysm treatment with the Pipeline embolization device (PED) that utilized Cat5...
March 2017: Interventional Neurology
https://www.readbyqxmd.com/read/28611838/endovascular-embolization-of-intracranial-infectious-aneurysms-in-patients-undergoing-open-heart-surgery-using-n-butyl-cyanoacrylate
#17
Esteban Cheng-Ching, Seby John, Mark Bain, Gabor Toth, Thomas Masaryk, Ferdinand Hui, Muhammad Shazam Hussain
INTRODUCTION: Mycotic aneurysms are a serious complication of infective endocarditis with increased risk of intracranial hemorrhage. Patients undergoing open heart surgery for valve repair or replacement are exposed to anticoagulants, increasing the risk of aneurysm bleeding. These patients may require endovascular or surgical aneurysm treatment prior to heart surgery, but data on this approach are scarce. METHODS: Retrospective review of consecutive patients with infectious endocarditis and mycotic aneurysms treated endovascularly with Trufill n-butyl cyanoacrylate (n-BCA) at the Cleveland Clinic between January 2013 and December 2015...
March 2017: Interventional Neurology
https://www.readbyqxmd.com/read/28611831/salvage-of-herniated-flow-diverters-using-stent-and-balloon-anchoring-techniques-a-technical-note
#18
Bharathi D Jagadeesan, Divyajot Sandhu, Kim Jae Hong, Sara Roshan Khanipour, Andrew W Grande, Ramachandra P Tummala
BACKGROUND: The pipeline embolization device (PED; Medtronic, MN, USA) can sometimes herniate into the aneurysmal sac in an unexpected manner during or shortly after its deployment due to device foreshortening. In this report, we describe 2 endovascular techniques, which can be used to reposition a herniated PED construct into a more favorable alignment. SUMMARY: In a 67-year-old patient who had an intraprocedural herniation of a PED device into a giant cavernous aneurysm, a stent anchor technique was used to reverse the herniation, reorient the PED construct, and achieve successful flow diversion...
March 2017: Interventional Neurology
https://www.readbyqxmd.com/read/28611648/complete-recovery-from-blindness-in-case-of-compressive-optic-neuropathy-due-to-unruptured-anterior-cerebral-artery-aneurysm
#19
Yurie Fukiyama, Hidehiro Oku, Yusuke Hashimoto, Yuko Nishikawa, Masahiro Tonari, Jun Sugasawa, Shigeru Miyachi, Tsunehiko Ikeda
It is not common for an isolated visual symptom to be the first indication of an aneurysm compressing the optic nerve. The compression can lead to blindness, and a recovery from the blindness is rare. We report a female with a left painless optic neuropathy caused by an unruptured anterior cerebral artery aneurysm. The patient had a temporal hemianopic visual field defect, which progressed to blindness in the left eye, while the right visual function was not affected. A coil embolization of the aneurysm completely restored her visual acuity to 20/20...
January 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28606255/-incidence-and-risk-factors-of-recurrence-after-endovascular-treatment-of-vertebrobasilar-dissecting-aneurysms
#20
Y Z Zang, Z G Wang, C W Wang, Y Zhang, X Ding, X F Wang
Objective: To evaluate the incidence and risk factors of recurrence after endovascular treatment of vertebrobasilar dissecting aneurysms (VBDAs). Methods: Retrospective analysis was used for the clinical information of 40 cases of vertebrobasilar dissecting aneurysms treated with endovascular methods in our department between January 2007 and December 2015.According to whether recurrence occurred, the patients were divided into recurrence group (10 patients) and non-recurrence group (30 patients). The data of the patients' age, sex, hypertension history, smoking history, aneurismal size, presenting symptoms, degree of embolization, GCS scores, aneurismal localization and treatment methods were analyzed to evaluate the risk factors for recurrence after endovascular treatment...
June 6, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
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