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https://www.readbyqxmd.com/read/28920549/rupture-of-a-non-traumatic-anterior-communicating-artery-aneurysm-does-location-of-aneurysm-associate-with-functional-independence-following-post-acute-in-patient-neurorehabilitation
#1
Henriette Holm Stabel, Asger Roer Pedersen, Søren Paaske Johnsen, Jørgen Feldbæk Nielsen
OBJECTIVE: Patients with non-traumatic rupture of an aneurysm located at the anterior communicating artery (ACoA) often experience cognitive disabilities. It is unknown whether location of aneurysm also affects the possibility for improvement in functional independence compared to patients with an aneurysmal subarachnoid hemorrhage (a-SAH) located elsewhere. The aim was to explore the association between location of aneurysm (ACoA versus other) and level of functional independence, measured by Functional Independence Measure (FIM), at discharge from rehabilitation...
September 18, 2017: Topics in Stroke Rehabilitation
https://www.readbyqxmd.com/read/28906352/clinical-and-angiographic-outcomes-following-endovascular-treatment-of-very-small-3%C3%A2-mm-or-smaller-intracranial-aneurysm-a-single-center-experience
#2
Yongsheng Liu, Feng Wang, Xiaochen Fu, Yongjian Liu, Guodong Zhang, Ke Xu
Treatments for very small (3 mm or smaller) intracranial aneurysms (VSAs) remain controversial. The aim of this study was to evaluate the efficacy of endovascular treatment for VSAs and to evaluate clinical risk factors associated with complications.This retrospective study enrolled 82 VSA patients who underwent coil embolization in our institution. Angiographic outcomes were assessed according to the Meyers classification. The clinical results were evaluated using the modified Rankin scale (mRS) immediately after coiling, at discharge, and during follow-up...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28843755/association-of-perforator-infarction-with-clinical-courses-and-outcomes-following-surgical-clipping-of-ruptured-anterior-communicating-artery-aneurysms
#3
Yu Yamamoto, Hitoshi Fukuda, Daisuke Yamada, Yoshitaka Kurosaki, Akira Handa, Benjamin Lo, Sen Yamagata
BACKGROUND: Perforator infarction is one of the procedure-related complications of surgical clipping of ruptured anterior communicating artery (ACoA) aneurysms. Patients with perforator infarction may represent specific clinical features; it is not well studied. The aim of this study is to elucidate incidence, risk factors, clinical courses, and outcomes of perforator infarction following surgical clipping of ruptured ACoA aneurysms. METHODS: A total of 104 patients who underwent surgical clipping for ruptured ACoA aneurysm were retrospectively analyzed from a single center, observational cohort database...
August 23, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28841123/optic-neuropathy-after-anterior-communicating-artery-aneurysm-clipping-3-cases-and-techniques-to-address-a-correctable-pitfall
#4
Joseph R Linzey, Kevin S Chen, Luis Savastano, B Gregory Thompson, Aditya S Pandey
Brain shifts following microsurgical clip ligation of anterior communicating artery (ACoA) aneurysms can lead to mechanical compression of the optic nerve by the clip. Recognition of this condition and early repositioning of clips can lead to reversal of vision loss. The authors identified 3 patients with an afferent pupillary defect following microsurgical clipping of ACoA aneurysms. Different treatment options were used for each patient. All patients underwent reexploration, and the aneurysm clips were repositioned to prevent clip-related compression of the optic nerve...
August 25, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28799871/letter-to-the-editor-clipping-after-pipeline-embolization-device-placement-for-a-thrombosed-acoa-aneurysm
#5
Mattia Pacetti, Pascal J Mosimann, Jean-Baptiste Zerlauth, Francesco Puccinelli, Marc Levivier, Roy Thomas Daniel
No abstract text is available yet for this article.
August 11, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28765030/relationship-of-a1-segment-hypoplasia-to-the-radiological-and-clinical-outcomes-of-surgical-clipping-anterior-communicating-artery-aneurysm
#6
Fan Yang, Hao Li, Jun Wu, Maogui Li, Xin Chen, Pengjun Jiang, Zhengsong Li, Yong Cao, Shuo Wang
OBJECTIVE: This study aims to assess whether the A1 segment hypoplasia is a risk factor for unfavorable radiological and clinical outcomes of surgical clipping anterior communicating artery (ACoA) aneurysm. METHODS: We retrospectively reviewed 251 patients with ACoA aneurysm who underwent surgical clipping in Beijing Tiantan Hospital between September 2011 and September 2016. Their clinical and radiologic features, as well as clinical outcomes were reviewed. In addition, univariate and multivariate logistic regression analysis was performed to identify independent risk factors for the postoperative infarction and unfavorable clinical outcomes of surgical clipping ACoA aneurysm...
July 29, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28716568/factors-associated-with-rerupture-of-intracranial-aneurysms-after-endovascular-treatment-a-retrospective-review-of-11years-experience-at-a-single-institution-and-review-of-the-literature
#7
REVIEW
A C White, C D Roark, D E Case, D A Kumpe, J Seinfeld
Aneurysm rebleeding following initial endovascular management is uncommon, and the factors associated with its occurrence are poorly defined. We retrospectively analyzed a consecutive series of patients presenting with aneurysmal subarachnoid hemorrhage who underwent endovascular management to determine factors associated with rebleeding. Rebleeding occurred in 7/183 (3.8%) patients, 6 of which had an adjacent hematoma on initial neuroimaging. Aneurysms were located on the ACoA (n=5), PCoA (n=1), and MCA (n=1)...
October 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28689391/the-incidence-and-characteristics-of-patients-with-small-ruptured-aneurysms-5-mm-in-subarachnoid-hemorrhage
#8
Joon-Ho Choi, Hyun-Seok Park
OBJECTIVE: Small unruptured aneurysms (<5 mm) are known for their very low risk of rupture, and are recommended to be treated conservatively. However, we encounter many patients with small ruptured aneurysms in the clinical practice. We aimed to investigate the incidence and characteristics of patients with small ruptured aneurysms. METHODS: We reviewed all patients admitted to our hospital with subarachnoid hemorrhage from January 2005 to December 2015. The patients were divided into two groups: those with aneurysms <5 mm (group S) and those with aneurysms ≥5 mm (group L)...
July 2017: Journal of Korean Neurosurgical Society
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/28585670/association-of-two-primitive-carotid-basilar-anastomoses-and-cerebrovascular-abnormalities-on-the-brain-base-a-case-report
#10
Milena TRANDAFİLOVİć, Ljiljana VASOVİć, Slobodan VLAJKOVİć, Marija DAKOVİć-BJELAKOVİć
Simultaneous presence of the persistent primitive trigeminal artery and so-called intermediate communicating artery in a 77-years-old cadaver autopsied due to the myocardial infarction was discovered. Many vascular variants and abnormalities such as an aplasia of the right vertebral artery (VA), a presence of two right posterior cerebral arteries (PCAs), partial duplication of the right superior cerebellar artery, hypoplasia of the pre-communicating part (A1) of the right anterior cerebral artery and the right PCA of basilar origin, a special configuration of the anterior communicating artery (ACoA), and a small aneurysm at the right A1-ACoA junction were associated...
April 27, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/28554037/fluid-structure-interaction-simulation-of-a-cerebral-aneurysm-effects-of-endovascular-coiling-treatment-and-aneurysm-wall-thickening
#11
Amir Shamloo, Milad Azimi Nejad, Milad Saeedi
In the present study, we investigate the effect of the hemodynamic factors of the blood flow on the cerebral aneurysms. To this end, a hypothetical geometry of the aneurysm in the circle of Willis, located in the bifurcation point of the anterior cerebral artery (ACA) and anterior communicating artery (ACoA) is modeled in a three-dimensional manner. Three cases are chosen in the current study: an untreated thin wall (first case), untreated thick wall (second case), and a treated aneurysm (third case). The effect of increasing the aneurysm wall thickness on the deformation and stress distribution of the walls are studied...
October 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28409729/neuropsychological-function-after-endovascular-and-neurosurgical-treatment-of-subarachnoid-hemorrhage-a-systematic-review-and-meta-analysis
#12
Peter Egeto, R Loch Macdonald, Tisha J Ornstein, Tom A Schweizer
OBJECTIVE Subarachnoid hemorrhage (SAH) is treated with either surgical clipping or endovascular coiling, though the latter is the preferred treatment method given its more favorable functional outcomes. However, neuropsychological functioning after treatment is rarely taken into account. In this meta-analysis, the authors synthesized relevant data from the literature and compared neuropsychological functioning in patients after coiling and clipping of SAH. They hypothesized that the coiled patients would outperform the clipped patients; that group differences would be greater with higher posterior circulation rupture rates, in older patients, and in more recent publications; that group differences would be smaller with greater rates of middle cerebral artery (MCA) rupture; and that anterior communicating artery (ACoA) rupture rates would not influence effect sizes...
April 14, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28408258/predictors-of-postoperative-cerebral-ischemia-in-patients-with-ruptured-anterior-communicating-artery-aneurysms
#13
Pei-Sen Yao, Guo-Rong Chen, Shu-Fa Zheng, De-Zhi Kang
OBJECTIVE: Cerebral ischemia is a major contributor to poor outcome after ruptured anterior communicating artery aneurysms (ACoAs), and is not well classified. In this article, we develop a classification and identify risk factors of cerebral ischemia after ruptured ACoAs. METHODS: Three hundred sixty patients with ruptured ACoAs undergoing microsurgical clipping were collected. Sex, age, smoking status, Hunt-Hess grade, Fisher grade, hospital stay, surgical timing, hypertension, diabetes, postoperative cerebral ischemia, and postoperative modified Rankin Scale score were collected...
July 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28327983/changing-paradigms-in-the-endovascular-management-of-ruptured-anterior-communicating-artery-aneurysms
#14
Karam Moon, Min S Park, Felipe C Albuquerque, Michael R Levitt, Celene B Mulholland, Cameron G McDougall
BACKGROUND: Approximately 17% of ruptured anterior communicating artery (ACoA) aneurysms were deemed unsuitable for coil embolization during the Barrow Ruptured Aneurysm Trial (BRAT), most commonly due to unfavorable dome-to-neck ratio or small size. OBJECTIVE: To compare patients treated by coil embolization for ruptured ACoA aneurysms during the trial to those treated after the trial to determine whether advances in endovascular techniques have allowed for effective treatment of these lesions...
January 25, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28267525/relationship-between-white-matter-hyperintensities-volume-and-the-circle-of-willis-configurations-in-patients-with-carotid-artery-pathology
#15
Luca Saba, Roberto Sanfilippo, Michele Porcu, Pierleone Lucatelli, Roberto Montisci, Fulvio Zaccagna, Jasjit Suri, Michele Anzidei, Max Wintermark
PURPOSE: We aimed to assess if there is a difference of distribution and volume of white matter hyperintensities (WMH) in the brain according to the Circle of Willis (CoW) configuration in patients with carotid artery pathology. MATERIAL AND METHODS: One-hundred consecutive patients (79 males, 21 females; mean age 70 years; age range 46-84 years) that underwent brain MRI before carotid endarterectomy (CEA) were included. FLAIR-WMH lesion volume was performed using a semi-automated segmentation technique and the status of the circle of Willis was assessed by two neuroradiologists in consensus...
April 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28130501/endovascular-flow-diversion-for-treatment-of-anterior-communicating-artery-region-cerebral-aneurysms-a-single-center-cohort-of-50-cases
#16
Geoffrey P Colby, Matthew T Bender, Li-Mei Lin, Narlin Beaty, Judy Huang, Rafael Tamargo, Alexander Coon
BACKGROUND: Flow diversion represents a novel but definitive treatment for recurrent and difficult-to-coil aneurysms of the anterior communicating artery (ACoA) region, of which reports are limited. OBJECTIVE: To determine the effectiveness of the Pipeline embolization device (PED) in treating aneurysms in the ACoA region. METHODS: We retrospectively reviewed an IRB-approved database of patients with an aneurysm at a single institution for patients with ACoA or A1-A2 aneurysms treated with PED...
January 27, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28120071/clinical-and-neuropsychological-outcome-after-microsurgical-and-endovascular-treatment-of-ruptured-and-unruptured-anterior-communicating-artery-aneurysms-a-single-enter-experience
#17
Pietrantonio Andrea, Trungu Sokol, Raco Antonino
BACKGROUND: Anterior communicating artery (ACoA) aneurysms have a high risk of rupture. Morbidity and mortality following rupture are higher than at other sites. The aim of this study was to evaluate the long-term clinical and neuropsychological outcomes of patients treated for ruptured and unruptured ACoA aneurysms: a comparison between surgical and endovascular treatment was performed. METHOD: All patients surgically or endovascularly treated for ruptured and unruptured ACoA aneurysms at our institution between January 2011 and December 2013 (n=50) were retrospectively reviewed...
2017: Acta Neurochirurgica. Supplement
https://www.readbyqxmd.com/read/28079351/effect-of-age-on-outcomes-and-practice-patterns-for-patients-with-anterior-communicating-artery-aneurysms
#18
Federico Cagnazzo, Waleed Brinjikji, Giuseppe Lanzino
BACKGROUND: With widespread utilization of noninvasive imaging, small enraptured anterior communicating artery (AcoA) aneurysms are increasingly detected in the general population, particularly in elderly patients. We investigated the association between age and clinical characteristics and outcomes of patients with unruptured AcoA aneurysms. METHODS: Between January 2008 and May 2016, information on 179 consecutive patients with unruptured AcoA aneurysms was obtained and included demographic data, aneurysm features, risk factors for formation and rupture, treatment type, complications, and follow-up information...
January 12, 2017: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/27977657/delayed-recovery-of-adipsic-diabetes-insipidus-adi-caused-by-elective-clipping-of-anterior-communicating-artery-and-left-middle-cerebral-artery-aneurysms
#19
Jeffrey Tan, Samuel Ndoro, Uchenna Okafo, Aoife Garrahy, Amar Agha, Danny Rawluk
Adipsic diabetes insipidus (ADI) is an extremely rare complication following microsurgical clipping of anterior communicating artery aneurysm (ACoA) and left middle cerebral artery (MCA) aneurysm. It poses a significant challenge to manage due to an absent thirst response and the co-existence of cognitive impairment in our patient. Recovery from adipsic DI has hitherto been reported only once. A 52-year-old man with previous history of clipping of left posterior communicating artery aneurysm 20 years prior underwent microsurgical clipping of ACoA and left MCA aneurysms without any intraoperative complications...
December 16, 2016: New Zealand Medical Journal
https://www.readbyqxmd.com/read/27924799/collateral-flow-and-white-matter-disease-in-patients-with-internal-carotid-artery-occlusion
#20
Mami Ishikawa, Hitoshi Sugawara, Mutsumi Nagai, Gen Kusaka, Yuichi Tanaka, Heiji Naritaka
BACKGROUND: When an internal carotid artery (ICA) occludes, a patient may develop cerebral infarction (CI). We investigated whether CI caused by ICA occlusion (ICAO) is associated with collateral flow through the anterior and posterior communicating arteries (ACoA and PCoA). METHODS: In 100 patients with ICAO, we investigated CI and white matter disease by performing an MRI and the anatomy of the ACoA and PCoA were investigated by performing magnetic resonance angiography...
2017: European Neurology
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