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https://www.readbyqxmd.com/read/29142493/cervical-arterial-fibromuscular-dysplasia-in-a-biethnic-population-a-retrospective-study-in-the-u-s-mexican-border
#1
Ihtesham A Qureshi, Gustavo J Rodriguez, Tatiana Chacon-Quesada, Gavito-Higuera Jose, Salvador Cruz-Flores, Alberto Maud
Background  There have been studies trying to characterize Fibromuscular Dysplasia (FMD); however, most of them are based in mainly non-Hispanic sample. The objective of this study is to better understand the epidemiology and clinical characteristics of craniocervical FMD in the Hispanic population. Methods  We retrospectively reviewed the cerebral angiograms performed in our center in a period of 3.5 years under any indication looking for angiographic patterns of FMD. Exclusion criteria consisted of cases in which the first angiogram was done when the patients were younger than 18 years...
December 2017: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/29140523/sequential-coiling-assisted-deployment-of-flow-diverter-for-treatment-of-fusiform-middle-cerebral-artery-aneurysms
#2
Abdulrahman Y Alturki, Philip G R Schmalz, Christopher S Ogilvy, Ajith J Thomas
BACKGROUND AND IMPORTANCE: Fusiform intracranial aneurysms remain challenging lesions to treat. These aneurysms have historically required bypass procedures or clip remodeling constructs for cure. Recently, endovascular specialists have reported experience with flow diversion for complex fusiform aneurysms of the vertebrobasilar system, with mixed results. Vascular anatomy for anterior circulation fusiform aneurysms may make these lesions more amenable to flow diversion and embolization procedures; however, published experience with these techniques is lacking...
November 11, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29131823/prevalence-of-extracranial-carotid-artery-aneurysms-in-patients-with-an-intracranial-aneurysm
#3
V E C Pourier, C J H C M van Laarhoven, M D I Vergouwen, G J E Rinkel, Gert J de Borst
BACKGROUND AND PURPOSE: Aneurysms in various arterial beds have common risk- and genetic factors. Data on the correlation of extracranial carotid artery aneurysms (ECAA) with aneurysms in other vascular territories are lacking. We aimed to investigate the prevalence of ECAA in patients with an intracranial aneurysm (IA). METHODS: We used prospectively collected databases of consecutive patients registered at the University Medical Center Utrecht with an unruptured intracranial aneurysm (UIA) or aneurysmal Subarachnoid hemorrhage (SAH)...
2017: PloS One
https://www.readbyqxmd.com/read/29131233/comparison-of-tof-mra-contrast-enhanced-mra-and-subtracted-cta-from-ctp-in-residue-evaluation-of-treated-intracranial-aneurysms
#4
Tolga Turan Dündar, Ayşe Aralaşmak, Hüseyin Özdemir, Mehmet Hakan Seyithanoğlu, Ömer Uysal, Hüseyin Toprak, Serkan Kitiş, Erdinç Özek, Alpay Alkan
AIM: To compare effectiveness of contrast-enhanced MRA (CE-MRA), 3D-Time-of-flight MRA (3D-TOF-MRA) and subtracted CTA from CTP (sub-CTA) in residue evaluation of intracranial aneurysms treated either with coiling or clipping. MATERIAL AND METHODS: Sixteen treated aneurysms, which were evaluated with three methods within two weeks after the operation, were enrolled. The success of each imaging techniques in demonstration of residue aneurysm and nearby vessels was compared by Fisher\'s Exact Test...
October 18, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/29130668/-analysis-on-clinical-characteristic-and-risk-factors-of-patients-coexistence-of-cerebral-artery-stenosis-with-unruptured-intracranial-aneurysm
#5
Hai-Yan Zhao, Jin-Tao Han, Dong-Sheng Fan
OBJECTIVE: To analyze the incidence of intracranial unruptured aneurysms in patients with intracranial artery stenosis,clinical features,and investigate the risk factors for unruptured intracranial aneurysms. METHODS: Medical records from all patients performed with digital subtraction angiography (DSA) who had been treated at Peking University Third Hospital,China,from January 2012 to December 2015 were retrospectively reviewed to identify cases coexistence with cerebral artery stenosis and unruptured intracranial aneurysm...
September 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/29129841/genetic-risk-assessment-of-elastin-gene-polymorphisms-with-intracranial-aneurysm-in-koreans
#6
Jin Pyeong Jeon, Eun Pyo Hong, Jeong Eun Kim, Eun Jin Ha, Won-Sang Cho, Young-Je Son, Jae Seung Bang, Chang Wan Oh
Elastin encoded by elastin gene (ELN) is a crucial extracellular matrix protein responsible for arterial resilience. The objective of this study was to identify single nucleotide polymorphisms (SNPs) of ELN gene susceptible to intracranial aneurysm (IA) in Korean population. Two SNPs of ELN gene, rs2071307 (Gly422Ser) and rs2856728 (intron), were genotyped in 90 patients with IA and 90 age and frequency matched controls. Fisher's exact test was conducted to evaluate allelic association with IA. Of the two SNPs in ELN gene, T allele of rs2856728 (intron) showed statistically significant association with increased development of IA (odds ratio [OR]: 2...
November 10, 2017: Neurologia Medico-chirurgica
https://www.readbyqxmd.com/read/29129762/risk-factors-for-the-rupture-of-intracranial-aneurysms-using-ct-angiography
#7
Guang-Xian Wang, Li Wen, Liu Yang, Qi-Chuang Zhang, Jin-Bo Yin, Chun-Mei Duan, Dong Zhang
PURPOSE: To study the clinical and morphological characteristics associated with risk factors for the rupture of intracranial aneurysms (IAs). METHODS: A total of 1115 consecutive patients with 1282 IAs were reviewed from August 2011 to February 2016. The patients and IAs were divided into ruptured and unruptured groups. Based on the clinical and morphologic findings, the risk factors for IA rupture were assessed using statistical methods. RESULTS: Age, hypertension, diabetes mellitus and cerebral atherosclerosis were associated with ruptured IAs...
November 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29126165/foramen-magnum-dural-arteriovenous-fistulas-clinical-presentations-and-treatment-outcomes-a-case-series-of-12-patients
#8
Mogwale S Motebejane, In Sup Choi
BACKGROUND: Dural arteriovenous fistulas (DAVFs) are usually seen in relation to the venous sinuses, but in certain rare instances fistulas may not drain directly into the venous sinuses but rather drain into the cortical veins. This rare form of DAVF may present with either intracranial hemorrhage or myelopathy. The mode of clinical presentation is influenced by the venous outflow into either intracranial drainage or caudally intraspinal drainage. OBJECTIVE: To evaluate the clinical presentations, angioarchitectural characteristics, and treatment of 12 patients who presented with DAVF in the region of the foramen magnum...
November 8, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29125410/hemorrhage-associated-with-ventriculoperitoneal-shunt-placement-in-aneurysmal-subarachnoid-hemorrhage-patients-on-a-regimen-of-dual-antiplatelet-therapy-a-retrospective-analysis
#9
Joseph S Hudson, Yasunori Nagahama, Daichi Nakagawa, Robert M Starke, Brian J Dlouhy, James C Torner, Pascal Jabbour, Lauren Allan, Colin P Derdeyn, Jeremy D W Greenlee, David Hasan
OBJECTIVE Intracranial stenting and flow diversion require the use of dual antiplatelet therapy (DAPT) to prevent in-stent thrombosis. DAPT may significantly increase the risk of hemorrhagic complications in patients who require subsequent surgical interventions. In this study, the authors sought to investigate whether DAPT is a risk factor for hemorrhagic complications associated with ventriculoperitoneal (VP) shunt placement in patients with aneurysmal subarachnoid hemorrhage (aSAH). Moreover, the authors sought to compare VP shunt complication rates with respect to the shunt's location from the initial external ventricular drain (EVD) site...
November 10, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29123850/delayed-massive-epistaxis-from-traumatic-intracranial-aneurysm-after-blunt-facial-injury
#10
Hajime Nakamura, Toshiyuki Fujinaka, Osamu Tasaki, Toshiki Yoshimine
Cases: Traumatic intracranial aneurysm following blunt head injury is uncommon but can be induced by extension of skull base fracture and causes unexpected hemorrhagic complications. We present two cases of traumatic intracranial aneurysm in the paraclinoid area that was revealed by delayed massive epistaxis. Lack of initial neurological deficits omitted screening for cerebrovascular injury. Outcome: Internal trapping was carried out using endovascular techniques in both cases, with extracranial-intracranial bypass in one case...
January 2017: Acute Medicine & Surgery
https://www.readbyqxmd.com/read/29122537/a-coil-placement-technique-to-treat-intracranial-aneurysm-with-incorporated-artery
#11
Chao-Bao Luo, Feng-Chi Chang, Chung-Jung Lin, Wan-Yuo Guo
BACKGROUND: Endovascular coil embolization is an accepted treatment option for intracranial aneurysms. However, the coiling of aneurysms with an incorporated artery (IA) poses a high risk of IA occlusion. Here we report our experience of endovascular coil placement using a technique that avoids IA occlusion in aneurysms with IAs. METHODS: Over a 6-year period, 185 patients harboring 206 intracranial aneurysms underwent endosaccular coiling. Forty-two of these patients with 45 aneurysms were treated by coil placement to avoid IAs occlusion...
November 6, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/29118799/optional-endovascular-therapy-of-dissecting-posterior-cerebral-artery-aneurysm
#12
Mohamed Wael Osman, Krzysztof Kadziolka, Laurent Peirot
BACKGROUND: Posterior cerebral artery aneurysms are uncommon, with an occurrence rate of less than 1% of intracranial aneurysms. They have various shapes, including saccular and fusiform. Dissecting aneurysms may occur in distal posterior cerebral artery and they may affect the whole artery. Endovascular therapy is considered as a safe method of treatment and there are different techniques for endovascular therapy. SUMMARY: Posterior cerebral artery aneurysms are uncommon...
October 2017: Interventional Neurology
https://www.readbyqxmd.com/read/29118794/safety-and-efficacy-of-low-profile-self-expandable-stents-for-treatment-of-intracranial-aneurysms-initial-and-midterm-results-a-systematic-review-and-meta-analysis
#13
Su-Yeon Park, Jae-Sang Oh, Hyuk-Jin Oh, Seok-Mann Yoon, Hack-Gun Bae
Low-profile stents seem to be associated with a higher incidence of thromboembolic events compared with preexisting stents. We conducted a systematic review of 11 eligible reports and a meta-analysis of 7 reports with respect to the clinical efficacy and safety of low-profile stents. There were 217 intracranial aneurysms reported; 22% were ruptured aneurysms. In all, 72% were treated using single stenting, 19% were treated using overlapping stenting, and 6% were treated using balloon angioplasty followed by stenting; 3% were used to assess the flow diverter effect in a dissecting aneurysm or were treated using unexpected subtotal coil packing...
October 2017: Interventional Neurology
https://www.readbyqxmd.com/read/29117032/a-preliminary-observational-study-of-anovulatory-uterine-bleeding-after-aneurysmal-subarachnoid-hemorrhage
#14
Suzanne M Brown, Susan W Fifield, Michael A Pizzi, David Alejos, Alexa N Richie, Tri A Dinh, William P Cheshire, Shon E Meek, William D Freeman
INTRODUCTION: It was observed that women with aneurysmal subarachnoid hemorrhage (aSAH) tended to have earlier menses than a typical 21- to 28-day cycle. The goal was to determine whether there is an association between aSAH and early onset of menses. METHODS: All cases of aSAH in women aged 18 to 55 years who were admitted to our facility's neuroscience intensive care unit from June 1, 2011, to June 30, 2012, were reviewed. The electronic healthcare record for each of these patients was examined for documentation of menses onset, computed tomography of the head, brain aneurysm characteristics, modified Fisher score and Glasgow Coma Scale on admission, presence/absence of vasospasm, medical/surgical history, and use of medications that affect the menstrual cycle...
December 2017: Journal of Neuroscience Nursing: Journal of the American Association of Neuroscience Nurses
https://www.readbyqxmd.com/read/29116602/arterial-embolizations-with-microvascular-plug-in-extracranial-and-intracranial-districts-technical-results
#15
Francesco Giurazza, Fabio Corvino, Errico Cavaglià, Gianluca Cangiano, Francesco Amodio, Giuseppe De Magistris, Giulia Frauenfelder, Gianluigi Guarnieri, Mario Muto, Raffaella Niola
PURPOSE: A new detachable microvascular plug (MVP, Reverse Medical(®), Irvine, CA, USA) has been recently developed; three models are available according to the size (MVP3-MVP5-MVP7). MVP3 and MVP5 are released through a 0.027″ microcatheter, MVP7 through a 4 Fr catheter. This series aims to describe an initial single-center experience examining intraprocedural safety and technical success of MVP. MATERIALS AND METHODS: Ten patients (mean age 55.1 years) have been treated for arterial embolization using MVP; eight extracranial and two intracranial arterial embolizations have been performed...
November 7, 2017: La Radiologia Medica
https://www.readbyqxmd.com/read/29115560/identification-of-key-genes-transcription-factors-and-micrornas-involved-in-intracranial-aneurysm
#16
Liang Wei, Qi Wang, Yanfei Zhang, Cheng Yang, Hongxin Guan, Yiming Chen, Zhiyang Sun
Intracranial aneurysm (IA) is a devastating disease, the pathogenesis of which remains to be elucidated. The present study aimed to determine the molecular mechanism of IA and to identify potential therapeutic targets using bioinformatics analysis. The GSE54083 dataset, which includes data from patients with ruptured IA and superficial temporal artery controls, was downloaded from the Gene Expression Omnibus, and differentially expressed genes (DEGs) were identified in the ruptured IA samples using the limma package in R...
November 3, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29114312/a-case-of-high-dose-adenosine-usage-for-anterior-communicating-artery-aneurysm-clip-ligation-what-is-the-dose-limit-for-a-resistant-response
#17
Shahid M Nimjee, David L McDonagh, Abhishek Agrawal, Gavin W Britz
Intraoperative adenosine is used to induce asystole to facilitate clip ligation of intracranial aneurysms. Typically, 5-10 mg doses are used per administration and approximately 30 mg is used for a given case. An obvious concern with using adenosine is that the patient can remain in asystole or that prolonged hypotension can result in cerebral or cardiovascular ischemia. The upper limit of adenosine administration remains unclear. We present a case of a patient with a large anterior communicating artery aneurysm requiring large doses of adenosine, far exceeding previously reported cases...
October 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/29114287/unruptured-internal-carotid-artery-aneurysm-associated-with-functional-pituitary-adenoma-a-true-association
#18
Guru Dutta Satyarthee, Amol Raheja
Detection of incidental intracranial aneurysm on neuroimaging can be associated with pituitary adenoma; however, such association is extremely rare. However, aneurysm with extension into the sella is extremely rare, and increases the risk of inadvertent intraoperative rupture, if trans-sphenoidal decompression is attempted either using endoscopic or microscopic surgical approach. Hanak et al. in a literature review of intrasellar noniatrogenic aneurysms over PubMed search in 2012 could only collect 31 studies, of which only eight cases had pituitary adenoma associated with aneurysm extending into sella...
October 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/29114279/comparison-between-ventriculosubgaleal-shunt-and-extraventricular-drainage-to-treat-acute-hydrocephalus-in-adults
#19
Low Siaw Nee, Rahmat Harun, Pulivendhan Sellamuthu, Zamzuri Idris
Context: Hydrocephalus, due to subarachnoid or intraventricular hemorrhage (IVH), meningitis, or tumor compression, is usually transient and may resolve after treatment. There are several temporary methods of cerebrospinal fluid (CSF) diversion, none of it is superior to the other, and the decision is based on its various etiologies and factors. Ventriculosubgaleal shunt (VSGS) is one of those temporary measures, which is a simple and rapid CSF decompression method without causing electrolyte and nutritional losses...
October 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/29114276/predictive-value-of-motor-evoked-potential-monitoring-during-surgery-of-unruptured-anterior-circulation-cerebral-aneurysms
#20
Yasuhiro Yamada, Yoko Kato, Mohsen Nouri, Tsukasa Ganaha, Motoki Oheda, Kohei Ishihara, Shigeta Moriya, Akiyo Sadato, Joji Inamasu, Yuichi Hirose
Objective and Background: Surgery of unruptured aneurysms is always a great challenge to neurovascular surgeons because no postoperative neurological deficits should be expected postoperatively as the patients are fully asymptomatic before the surgery. Here, we present our experience with selective motor evoked potential (MEP) monitoring of our patients in a 2-year time window. Patients and Methods: From 2012 to 2014, 27 patients with unruptured intracranial aneurysms were operated in our institute with the help of MEP monitoring...
October 2017: Asian Journal of Neurosurgery
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