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https://www.readbyqxmd.com/read/29780231/predictors-of-shunt-dependent-hydrocephalus-following-aneurysmal-subarachnoid-hemorrhage-a-pilot-study-in-a-single-egyptian-institute
#1
Hashem M Aboul-Ela, Ahmed M Salah El-Din, Ahmed A Zaater, Mohamed Shehab, Ossama A El Shahawy
Background: Acute hydrocephalus can cause neurological deterioration after aneurysmal subarachnoid hemorrhage (aSAH). Predicting which patient would require shunting is challenging. Methods: This prospective study was conducted upon twenty patients who suffered acute hydrocephalus due to subarachnoid hemorrhage of ruptured aneurysms. Surgical or non-surgical management of hydrocephalus was conducted. Glasgow Coma scale (GCS) was assessed, and hydrocephalus was graded by bicaudate index...
2018: Egypt J Neurol Psychiatr Neurosurg
https://www.readbyqxmd.com/read/29778597/microsurgical-clipping-of-ruptured-anterosuperior-projecting-anterior-communicating-artery-aneurysms-how-i-do-it
#2
Feng Xu, Nicholas C Bambakidis
In anterosuperior-projecting anterior communicating artery (ACoA) aneurysms, the aneurysm dome usually adheres to one or both proximal A2 segment, which may present technical difficulties. This video demonstrates microsurgical clipping of a ruptured anterosuperior-projecting AComA aneurysm. A 52-year-old male presented with a Hunt-Hess grade II subarachnoid hemorrhage (SAH). Computed tomography showed SAH in the basal cisterns, sylvian and interhemispheric fissures. Angiography demonstrated a wide-necked AComA aneurysm projecting anterosuperiorly...
May 17, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29741146/cognitive-outcomes-after-anterior-communicating-artery-aneurysm-repair
#3
Farshad Nassiri, Adriana M Workewych, Jetan H Badhiwala, Michael D Cusimano
Background The long-term cognitive and quality-of-life (QoL) outcomes after treatment of ruptured anterior communicating artery (ACoA) aneurysms are unknown. Methods Potential participants were all consecutive patients with ruptured ACoA aneurysms who were treated at one institution from July 1992 to December 2008. All potential participants were asked to complete the Cognitive Failures Questionnaire (CFQ), Center for Epidemiology Studies-Depression (CES-D) questionnaire, Short Form 36 (SF-36) questionnaire, and Telephone Interview for Cognitive Status-Modified (TICS-M)...
May 9, 2018: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/29726778/hemodynamic-characteristics-associated-with-cerebral-aneurysm-formation-in-patients-with-carotid-occlusion
#4
Sophia F Shakur, Ali Alaraj, Nasya Mendoza-Elias, Muhammad Osama, Fady T Charbel
OBJECTIVE The pathogenesis of cerebral aneurysms in patients with internal carotid artery (ICA) occlusion is hypothesized to be hemodynamic. For the first time, the authors quantify the hemodynamic characteristics associated with aneurysm formation in patients with ICA occlusion. METHODS Records of patients with unilateral ICA stenosis or occlusion ≥ 90% who underwent hemodynamic assessment before treatment using quantitative MR angiography were retrospectively reviewed. The patients were classified into 2 groups based on the presence or absence of aneurysms...
May 4, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29626682/patterns-predictors-and-outcomes-of-post-procedure-delayed-hemorrhage-following-flow-diversion-for-intracranial-aneurysm-treatment
#5
A C White, D A Kumpe, C D Roark, D E Case, J Seinfeld
PURPOSE: To evaluate patterns, predictors, and outcomes of post procedure delayed hemorrhage (PPDH) following flow diversion therapy for intracranial aneurysm. METHODS: 50 patients with 52 aneurysms were treated from 2012-2016 with the Pipeline Embolization Device (PED; Medtronic, Minneapolis, MN). PED placement was performed as a standalone therapy or with adjunctive coil embolization. Patients underwent dual antiplatelet therapy (DAT) for 6 months following treatment...
April 4, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29548963/predictive-factors-of-fever-after-aneurysmal-subarachnoid-hemorrhage-and-its-impact-on-delayed-cerebral-ischemia-and-clinical-outcomes
#6
Yung Ki Park, Hyeong-Joong Yi, Kyu-Sun Choi, Young-Jun Lee, Hyoung-Joon Chun, Sae Min Kwon
OBJECTIVE: Fever is relatively common and worsens neurologic injury after aneurysmal subarachnoid hemorrhage (SAH). The aim of this study was to display the time course of body temperature, identify predictive factors of fever after SAH, and evaluate its impact on delayed cerebral ischemia (DCI) and clinical outcomes. METHODS: Four hundred twelve patients with SAH and ruptured aneurysms who were treated at our institution between January 2007 and December 2016 were retrospectively analyzed...
March 13, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29548958/intraprocedural-rupture-during-endovascular-treatment-of-intracranial-aneurysm-clinical-results-and-literature-review
#7
Yung Ki Park, Hyeong-Joong Yi, Kyu-Sun Choi, Young-Jun Lee, Hyoung-Joon Chun
OBJECTIVE: Intraprocedural rupture (IPR) during endovascular treatment of cerebral aneurysm is the most feared complication with high morbidity and mortality. The aim of this study was to estimate the incidence and risk factors of IPR during endovascular treatment of ruptured and unruptured cerebral aneurysms. METHODS: A total of 235 intracranial aneurysms (80 ruptured and 155 unruptured) in 219 patients who received endovascular treatment in our institution between Jan 2010 and Dec 2016 were enrolled in our study...
March 13, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29545222/acute-monocular-blindness-due-to-orbital-compartment-syndrome-following-a-pterional-craniotomy-a-case-report
#8
Jeroen G V Habets, Roel H L Haeren, Suen A N Lie, Noel J C Bauer, Jim T A Dings
BACKGROUND: We present a case of orbital compartment syndrome (OCS) leading to monocular irreversible blindness following a pterional craniotomy for clipping of an anterior communicating artery (ACoA) aneurysm. OCS is an uncommon but vision-threatening entity requiring urgent decompression to reduce the risk of permanent visual loss. Iatrogenic orbital roof defects are a common finding following pterional craniotomies. However, complications related to these defects are rarely reported...
March 12, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29243332/extrinsic-and-intrinsic-blood-supply-to-the-optic-chiasm
#9
Céline Salaud, Stéphane Ploteau, Pauline Blery, Paul Pilet, Olivier Armstrong, Antoine Hamel
Although there have been many studies of the arterial cerebral blood supply, only seven have described the optic chiasm (OC) blood supply and their results are contradictory. The aim of this study was to analyze the extrinsic and intrinsic OC blood supply on cadaveric specimens using dissections and microcomputer tomography (Micro-CT). Thirteen human specimens were dissected and the internal or common carotid arteries were injected with red latex, China Ink with gelatin or barium sulfate. Three Micro-CTs were obtained to reveal the intrinsic blood supply to the OC...
April 2018: Clinical Anatomy
https://www.readbyqxmd.com/read/29236191/engineering-genome-reduced-bacillus-subtilis-for-acetoin-production-from-xylose
#10
Panpan Yan, Yuanqing Wu, Li Yang, Zhiwen Wang, Tao Chen
OBJECTIVES: To investigate the capacity of a genome-reduced Bacillus subtilis strain as chassis cell for acetoin production from xylose. RESULTS: To endow the genome-reduced Bacillus subtilis strain BSK814 with the ability to utilize xylose, we inserted a native xyl operon into its genome and deleted the araR gene. The resulting strain BSK814A2 produced 2.94 g acetoin/l from 10 g xylose/l, which was 39% higher than control strain BSK19A2. The deletion of the bdhA and acoA genes further improved xylose utilization efficiency and increased acetoin production to 3...
February 2018: Biotechnology Letters
https://www.readbyqxmd.com/read/29181806/-coil-mainly-policy-in-management-of-intracranial-acoa-aneurysms-single-centre-experience-with-the-systematic-review-of-literature-and-meta-analysis
#11
Anna Steklacova, Ondrej Bradac, Patricia de Lacy, Jiri Lacman, Frantisek Charvat, Vladimir Benes
Endovascular techniques are still expanding in their capability by introducing novel technologies. Nevertheless, anterior communicating artery (ACoA) remains the region with high propensity for aneurysm (AN) re-growth after endovascular intervention. The purpose of this study is to highlight the ongoing importance for microsurgical treatment. The authors conducted a single-institution retrospective study of ACoA AN treatment between January 2000 and December 2016 maintaining "coil mainly" policy. The results are supplied with a systematic review of the literature...
November 28, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29170982/subcallosal-and-heubner-artery-infarcts-following-surgical-repair-of-an-anterior-communicating-artery-aneurysm-a-causal-relationship-with-postoperative-amnesia-and-long-term-outcome
#12
Shunji Mugikura, Hirokazu Kikuchi, Miki Fujimura, Etsuro Mori, Shoki Takahashi, Kei Takase
Since the 1950s, amnesia or memory impairment has been repeatedly reported in patients following surgical repair of anterior communicating artery (ACoA) aneurysms. Postoperative infarctions following surgical repair of ACoA aneurysms are classified as involvement of the subcallosal artery (the largest unpaired perforator of the ACoA), the recurrent artery of Heubner (RAH), or a combination of both. Postoperative amnesia can seriously affect the patient's quality of life, thus prompting physicians to discuss the symptomatology of the three infarction patterns...
February 2018: Japanese Journal of Radiology
https://www.readbyqxmd.com/read/29152467/an-unruptured-anterior-communicating-artery-aneurysm-presenting-with-left-homonymous-hemianopsia-a-case-report
#13
Jae Wook Kim, Taek Kyun Nam, Ki Su Park, Yong Sook Park, Jeong Taik Kwon
Unruptured cerebral aneurysms sometimes present with visual symptomsdue to compression of the visual pathways. However, until now, unruptured anterior communicating artery (ACoA) aneurysms presenting visual field defects have been extremely rare. The authors report the case of a 51-year-old woman who presented with left homonymous hemianopsia. Radiological findings demonstrated an ACoA aneurysm filled with thrombus, that was compressing the optic chiasm and post-chiasmal tract. The patient underwent clipping of the aneurysm, which resolved the visual field defect...
June 2017: Journal of Cerebrovascular and Endovascular Neurosurgery
https://www.readbyqxmd.com/read/29114317/agenesis-of-the-internal-carotid-artery-with-transcavernous-anastomosis-associated-with-anterior-communicating-artery-aneurysms
#14
Kosuke Kumagai, Satoru Takeuchi, Naoki Otani, Masaki Komiyama, Kentaro Mori
Agenesis of the internal carotid artery (ICA) is a rare congenital anomaly. Recently, several cases of ICA agenesis have been associated with cerebral aneurysms. We present the seventh case of ICA agenesis with transcavernous anastomosis associated with cerebral aneurysms. A 47-year-old man presented with transient numbness of his left hand. Magnetic resonance angiography indicated the presence of anterior communicating artery (ACoA) aneurysms. Digital subtraction angiography revealed two ACoA aneurysms, absence of the left ICA, and an anomalous collateral vessel connecting the cavernous portions of both internal carotid arteries, which was considered to be a transcavernous anastomosis...
October 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/29110606/the-fate-of-in-situ-lens-regeneration-is-determined-by-capsulorhexis-size
#15
X Tan, Z Liu, Y Zhu, C Chen, S Huang, B Chen, Z Lin, J Chen, X Tang, B Qu, X Liu, L Luo, J Deng, F Shang, M Wu, W Chen, H Lin, Y Liu
BACKGROUND AND OBJECTIVE: Lens regeneration is an optimal strategy for cataract patients to regain visual acuity with accommodation. We recently designed a novel, minimally invasive capsulorhexis surgical method for cataract removal that achieved functional lens regeneration in human infants. However, small anterior capsulorhexis requires advanced surgical expertise. To know whether the quality of the regenerated lens can be maintained with enlarged anterior capsulorhexis, we investigated the shape and transparency of the regenerated lenses with different anterior capsulorhexis diameters (ACDs)...
November 5, 2017: Current Molecular Medicine
https://www.readbyqxmd.com/read/29107166/a-critical-analysis-of-the-utility-of-intraoperative-angiography
#16
William J Ares, Cynthia L Kenmuir, David M Panczykowski, Gregory M Weiner, Ashu P Jadhav, Tudor G Jovin, Bradley A Gross, Brian T Jankowitz
OBJECTIVE: Intraoperative digital subtraction angiography (ioDSA) is touted as the gold standard imaging evaluation for aneurysm clip constructs. Candid evaluations of its limitations are sparse. METHODS: A prospectively collected hospital billing database was queried to identify craniotomies for aneurysm clipping from January 2010 to December 2013. We evaluated the rate of occult residual and parent vessel stenosis determined on follow-up angiography for patients undergoing ioDSA and those not undergoing ioDSA...
February 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29104678/influence-of-gender-and-age-on-average-dimensions-of-arteries-forming-the-circle-of-willis-study-by-magnetic-resonance-angiography-on-kosovo-s-population
#17
Jeton Shatri, Dorentina Bexheti, Sadi Bexheti, Serbeze Kabashi, Shaip Krasniqi, Ilir Ahmetgjekaj, Valbona Zhjeqi
BACKGROUND: Circulus arteriosus cerebri is the main source of blood supply to the brain; it connects the left and right hemispheres with anterior and posterior parts. Located at the interpenducular fossa at the base of the brain the circle of Willis is the most important source of collateral circulation in the presence of the disease in the carotid or vertebral artery. AIM: The purpose of the research is to study the diameter and length of arteries and provide an important source of reference on Kosovo's population...
October 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28978900/subarachnoid-aneurysmal-hemorrhage-associated-with-coarctation-of-the-aorta-case-report-and-review-of-the-literature
#18
REVIEW
Ryuta Nakae, Yu Fujiki, Shoji Yokobori, Yasutaka Naoe, Hiroyuki Yokota
Intracranial aneurysms (IAs) that undergo rupture causing subarachnoid hemorrhage (SAH), are common in young patients with coarctation of the aorta (CoA), but rarer in middle-aged and elderly patients. The pathogenesis of IAs associated with CoA remains unclear. We report the case of a 50-year-old woman who presented with SAH. On evaluation, six IAs were distributed among the anterior communicating artery (ACoA) (ruptured), distal segments of both anterior cerebral arteries (ACA), the left internal carotid artery (ICA), the bifurcation of the left middle cerebral artery (MCA)/MCA early branch, and the inferior trunk of the left MCA...
2017: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
https://www.readbyqxmd.com/read/28965667/clinical-outcomes-of-multiple-aneurysms-microsurgical-clipping-evaluation-of-90-patients
#19
Murad Asiltürk, Anas Abdallah
BACKGROUND: The incidence of multiple intracranial aneurysms (MIAs) among patients who are diagnosed with aneurysm is 15-45% in the literature. Treatment options depend on the patient's status, age, aneurysm location and neurosurgeon's experience. In this study outcomes of micro-surgically clipped 90 patients have been evaluated. MATERIALS AND METHODS: Medical records of 90 (49 women and 41 men) patients of MIAs who underwent surgery by the authors, during a 3-year period from 2011 to 2013 were retrospectively reviewed of prospectively collected patients' data...
January 2018: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/28939188/neural-and-psychological-characteristics-of-college-students-with-alcoholic-parents-differ-depending-on-current-alcohol-use
#20
Kathleen A Brown-Rice, Jamie L Scholl, Kelene A Fercho, Kami Pearson, Noah A Kallsen, Gareth E Davies, Erik A Ehli, Seth Olson, Amy Schweinle, Lee A Baugh, Gina L Forster
A significant proportion of college students are adult children of an alcoholic parent (ACoA), which can confer greater risk of depression, poor self-esteem, alcohol and drug problems, and greater levels of college attrition. However, some ACoA are resilient to these negative outcomes. The goal of this study was to better understand the psychobiological factors that distinguish resilient and vulnerable college-aged ACoAs. To do so, scholastic performance and psychological health were measured in ACoA college students not engaged in hazardous alcohol use (resilient) and those currently engaged in hazardous alcohol use (vulnerable)...
February 2, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
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