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Blister aneurysm

Mason A Brown, Cristian F Guandique, Jonathan Parish, Aubrey C McMillan, Stephen Lehnert, Nassir Mansour, Michael Tu, Bradley N Bohnstedt, Troy D Payner, Thomas J Leipzig, Andrew J DeNardo, John A Scott, Aaron A Cohen-Gadol
: Blister aneurysms at non-branching sites of the dorsal internal carotid artery (dICA) are fragile, rare, and often difficult to treat. The purpose of this study is to address the demographics, treatment modalities, and long-term outcome of patients treated for dICA blister aneurysms. A retrospective review of medical records identified all consecutive patients who presented with a blister aneurysm from 2002 to 2011 at our institution. Eighteen patients (M=7, F=11; mean age: 48.4±15...
January 11, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
Fenghua Chen, Kun Hu, Junyu Wang, Jun Huang
To seek a reasonable microsurgical technique for dorsal wall aneurysms in the internal carotid artery (ICA), and to evaluate its efficacy.
 Methods: A total of 21 patients with dorsal wall aneurysms in the ICA who received microsurgical techniques were retrospectively analyzed. The directive surgical clapping was applied for saccular aneurysm, while the techniques of stitching and wrapping, simple wrapping, and trapping with extracranial-intracranial bypass were used for cystic and blood blister false aneurysms...
November 28, 2016: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
Marcus D Mazur, Philipp Taussky, Joel D MacDonald, Min S Park
BACKGROUND AND IMPORTANCE: As the use of flow-diverting stents (FDSs) for intracranial aneurysms expands, a small number of case reports have described the successful treatment of blister aneurysms of the internal carotid artery with flow diversion. Blister aneurysms are uncommon and fragile lesions that historically have high rates of morbidity and mortality despite multiple treatment strategies. We report a case of rebleeding after treatment of a ruptured blister aneurysm with deployment of a single FDS...
November 2016: Neurosurgery
Chun Fang, Hua-Qiao Tan, Hong-Jie Han, Hao Feng, Ji-Chong Xu, Shuo Yan, Zhi-Yu Nie, Ling-Jing Jin, Fei Teng
OBJECTIVE: Intracranial blood blister-like aneurysm (BBA) is a rare type of aneurysm that lacks all layers of the arterial wall. These fragile aneurysms have the propensity to rupture with minimal manipulation, which makes them hazardous and difficult to treat. The present study evaluated the safety and feasibility of endovascular treatment of BBAs with the Willis covered stent. MATERIALS: Thirteen patients (7 men and 6 women, age range 28-68 years) who presented with ruptured BBAs and were treated with the Willis covered stent were retrospectively reviewed...
October 5, 2016: Journal of Neurointerventional Surgery
Anqi Xiao, Ruiqi Chen, Hao Li, Lu Ma, Sen Lin, Xin Hu, Chao You
BACKGROUND: Although there have been many studies on primary hemorrhagic neurovascular diseases (PHNVDs) in different populations, a study focusing on PHNVDs in Tibetan people was still lacking. This study aimed to explore the notable characteristics of Tibetan PHNVDs by comparing the most three common PHNVDs (aneurysmal subarachnoid hemorrhage, spontaneous intracerebral hemorrhage and arteriovenous malformation) in our institution between Tibetan and Han patients. METHODS: In this retrospective observational study, the hospital information system (HIS) was utilized to access the records of patients with PHNVDs...
September 16, 2016: World Neurosurgery
Pritam Gurung, Yasushi Motoyama, Ichiro Nakagawa, Hun Soo Park, Yasuo Hironaka, Young Su Park, Hideyuki Ohnishi, Hiroyuki Nakase
BACKGROUND: Blood blister aneurysms (BBAs) of the internal carotid artery (ICA) are very challenging vascular lesions for neurosurgeons as they are very fragile and difficult to clip. They are commonly found at the dorsal wall of the ICA. Trapping is an alternative for these lesions, accompanied by vascular reconstruction. However, they are sometimes close to the posterior communicating artery (PcoA) and anterior choroidal artery (AchoA). CASE DESCRIPTION: A 30-year-old man presented with subarachnoid hemorrhage due to rupture of a BBA in the right distal ICA...
September 13, 2016: World Neurosurgery
Vladimir Balik, Yasuhiro Yamada, Sandeep Talari, Yamashiro Kei, Hirotoshi Sano, Igor Sulla, Daisuke Suyama, Tukasa Kawase, Kiyoshi Takagi, Katsumi Takizawa, Yoko Kato
Intracranial dissecting aneurysms (IDAs) are an important cause of subarachnoid hemorrhage, stroke, or compression of intracranial structures. Since the availability of endovascular treatment and the advantage of intraprocedural anticoagulation, an endovascular strategy has become the mainstay of their therapy. But in some cases selective aneurysm obliteration by the endovascular approach is impossible or associated with an unacceptable risk of morbidity. This is particularly true when the IDA is a blood blister-like aneurysm or when dissection affects peripheral branches of the internal carotid artery...
September 5, 2016: Journal of Neurological Surgery. Part A, Central European Neurosurgery
Enes Duman, İlker Çöven, Erkan Yildirim, Cem Yilmaz, Ulaş Pinar
AIM: Flow diverter (FD) stents have been used in the treatment of unruptured intracranial aneurysms. There are a few studies that report the use of these devices in ruptured blister-like aneurysms. We present 5 consecutive patients, who have ruptured intracranial wide necked or side branch close to the neck of saccular aneurysms, have no other treatment options, treated with FD stents and coil embolization. MATERIAL AND METHODS: Between September 2012 and April 2015, 139 ruptured aneurysms of 133 consequent patients were treated...
December 28, 2015: Turkish Neurosurgery
Gang Wang, Guo-Zhong Zhang, Ming-Zhou Li, Xiao-Yan He, Dan Liu, Ye Song, Song-Tao Qi, Wen-Feng Feng
OBJECTIVE: To evaluate the safety and short-term efficacy of Willis covered stent for treatment of blood blister-like aneurysms (BBA). METHODS: Eight patients with BBA were treated with Willis covered stent system during the period from December 2014 to February 2016. The guiding catheter was placed as high as possible to facilitate the delivery of the covered stent system. RESULTS: s Nine covered stents were implanted in the aneurysms of 8 patients (8 aneurysms), and 8 stents were released successfully in the parent arteries...
August 20, 2016: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
P Vajkoczy
No abstract text is available yet for this article.
October 2016: Acta Neurochirurgica
Sven R Kantelhardt, Eleftherios Archavlis, Alf Giese
Blister-like aneurysms of the internal carotid artery (ICA) present a severe therapeutical challenge. While several reconstructive techniques are in use in case of acute rupture sacrifice of the parent vessel may be required. We present a combined technique of micro-sutures and clip application to repair the parent vessel in an intraoperatively ruptured blister-like aneurysm. Following temporary trapping of an intraoperatively ruptured 7-mm blister-like aneurysm four 8-0 nylon sutures were applied to adapt the vessel walls and support the branches of subsequently applied mini-clips...
October 2016: Acta Neurochirurgica
Stefan Thomas Lang, Zarina Assis, John H Wong, William Morrish, Alim P Mitha
A 62-year-old woman presented with a subarachnoid hemorrhage secondary to a ruptured right supraclinoid internal carotid artery blister aneurysm. She was treated in an emergent fashion with two flow diverting pipeline embolization devices (PED) deployed in a telescoping fashion. CT angiography performed for unrelated reasons at 7 months showed successful treatment of the aneurysm without evidence of residual aneurysm. However, a follow-up digital subtraction angiogram performed at 9 months showed a large aneurysm in a modified position compared with the original aneurysm...
July 28, 2016: Journal of Neurointerventional Surgery
Stefan Thomas Lang, Zarina Assis, John H Wong, William Morrish, Alim P Mitha
A 62-year-old woman presented with a subarachnoid hemorrhage secondary to a ruptured right supraclinoid internal carotid artery blister aneurysm. She was treated in an emergent fashion with two flow diverting pipeline embolization devices (PED) deployed in a telescoping fashion. CT angiography performed for unrelated reasons at 7 months showed successful treatment of the aneurysm without evidence of residual aneurysm. However, a follow-up digital subtraction angiogram performed at 9 months showed a large aneurysm in a modified position compared with the original aneurysm...
July 19, 2016: BMJ Case Reports
Christopher M Owen, Nicola Montemurro, Michael T Lawton
BACKGROUND: Blister aneurysms of the supraclinoid internal carotid artery (ICA) are challenging lesions with high intraoperative rupture rates and significant morbidity. An optimal treatment strategy for these aneurysms has not been established. OBJECTIVE: To analyze treatment strategy, operative techniques, and outcomes in a consecutive 17-year series of ICA blister aneurysms treated microsurgically. METHODS: Seventeen patients underwent blister aneurysm treatment with direct clipping, bypass and trapping, or clip-reinforced wrapping...
June 1, 2016: Neurosurgery
Xavier Boileau, Han Zeng, Robert Fahed, Fabrice Bing, Alina Makoyeva, Tim E Darsaut, Pierre Savard, Benoit Coutu, Igor Salazkin, Jean Raymond
OBJECTIVE Endovascular treatment of aneurysms may result in incomplete initial occlusion and aneurysm recurrence at angiographic follow-up studies. This study aimed to assess the feasibility and efficacy of bipolar radiofrequency ablation (RFA) of aneurysm remnants after coil embolization. METHODS Bipolar RFA was accomplished using the coil mass as 1 electrode, while the second electrode was a stent placed across the aneurysmal neck. After preliminary experiments and protocol approval from the Animal Care committee, wide-necked bifurcation aneurysms were constructed in 24 animals...
May 20, 2016: Journal of Neurosurgery
Italo Linfante, Michael Mayich, Ashish Sonig, Jena Fujimoto, Adnan Siddiqui, Guilherme Dabus
BACKGROUND: Aneurysmal subarachnoid hemorrhage (aSAH) secondary to blister-type aneurysms (BAs) is associated with high morbidity and mortality. Microsurgical clipping or wrapping and/or use of traditional endovascular techniques to repair the lesion result in frequent regrowth and rebleeds and ultimately high fatality rates. Because of the purely endoluminal nature of arterial reconstruction, flow diversion may represent an ideal option to repair ruptured BAs. METHODS: We performed a retrospective analysis of our database including all consecutive patients with aSAH secondary to BAs treated with the Pipeline Embolic Device (PED) between November 2013 and November 2015 in two institutions...
January 2017: Journal of Neurointerventional Surgery
Yuhua Jiang, Jing Luo, Jingchen Zheng, Youxiang Li
No abstract text is available yet for this article.
July 2016: International Journal of Stroke: Official Journal of the International Stroke Society
Sam Safavi-Abbasi, Felix Moron, Hai Sun, Christopher Wilson, Ben Frock, Mark E Oppenlander, David S Xu, Cameron Ghafil, Joseph M Zabramski, Robert F Spetzler, Peter Nakaji
OBJECTIVE: Some aneurysms without a definable neck and associated parent vessel pathology are particularly difficult to treat and may require clipping with circumferential wrapping. We report the largest available contemporary series examining the techniques of Gore-Tex clip-wrapping of ruptured and unruptured intracranial aneurysms and patient outcomes. METHODS: The presentation, location, and shape of the aneurysm; wrapping technique; outcome at discharge and last follow-up; and any change in the aneurysm at last angiographic follow-up were reviewed retrospectively in 30 patients with Gore-Tex clip-wrapped aneurysms...
June 2016: World Neurosurgery
Bo Yu, Jian Zheng, Yang Hong, LiangYu Chen, Zhuo Xi, Mingjun Yu, Zhongyou Que, Yunhui Liu
AIM: To report angiographic and clinical results obtained in patients with supraclinoid segment blood blister-like aneurysms (BBLAs) of the internal carotid artery treated with stent-assisted coil embolization. MATERIAL AND METHODS: A retrospective review of patients, who were treated for a ruptured supraclinoid BBLAs of the internal carotid artery (ICA) from 2004 to 2010, was performed. Clinical data, including hospital records, operative reports, and angiograms, were analyzed...
2016: Turkish Neurosurgery
Vipul Gupta, Rajsrinivas Parthasarathy, Ajaya Nand Jha
Conventional endovascular coiling remains the mainstay of treatment for most aneurysms; however, it may not be suitable for aneurysms with a complex geometry and there remains the risk of recanalization. Aneurysms with an unfavorable morphology are difficult to treat through both endovascular and surgical means. Progress in endovascular technology has allowed for the emergence of newer strategies to treat aneurysms with a complex geometry. Better packing density in wide-necked and large aneurysms can be achieved through the balloon remodeling technique...
March 2016: Neurology India
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