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https://www.readbyqxmd.com/read/28637249/bypass-surgery-for-complex-intracranial-aneurysms-15-years-of-experience-at-a-single-institution-and-review-of-pertinent-literature
#1
Seung Pil Ban, Won-Sang Cho, Jeong Eun Kim, Chang Hyeun Kim, Jae Seung Bang, Young-Je Son, Hyun-Seung Kang, O-Ki Kwon, Chang Wan Oh, Moon Hee Han
BACKGROUND: Bypass surgery is a treatment option for complex intracranial aneurysms. OBJECTIVE: To determine the utility of bypass surgery for the treatment of complex intracranial aneurysms and to review the literature on this topic. METHODS: Sixty-two patients were included in this retrospective study. Unruptured aneurysms were dominant (80.6%), and the internal carotid artery was the most common location of the aneurysm (56.4%), followed by the middle cerebral artery (21...
June 14, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28637237/long-term-evolutionary-change-in-the-lumen-of-intracranial-atherosclerotic-stenosis-following-angioplasty-and-stenting
#2
Simon C H Yu, Tiffany W W Lau, Simon S M Wong, Kwok T Lee, Lawrence K S Wong, Thomas W H Leung
BACKGROUND: Angioplasty and stenting is a recognized treatment option for patients with intracranial atherosclerosis. OBJECTIVE: To evaluate the long-term evolutionary luminal changes of intracranial atherosclerosis after angioplasty and stenting. METHODS: This was a retrospective study with patient consent. Eighty-two patients presenting with acute and minor cerebral ischemia due to stenosis ≥70%, who had received medical therapy with or without stenting (Wingspan), were invited...
June 14, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28637115/ruptured-carotid-ophthalmic-aneurysm-treatment-a-non-inferiority-meta-analysis-comparing-endovascular-coiling-and-surgical-clipping
#3
Alberto Falk Delgado, Tommy Andersson, Anna Falk Delgado
INTRODUCTION: Aneurysms of the carotid-ophthalmic segment are relatively rare, comprising only five percent of all intracranial aneurysms. There is no consensus regarding the optimal management for ruptured carotid-ophthalmic aneurysms, whether endovascular coiling or surgical clipping provide the most favourable patient outcome. The aim of this meta-analysis is to analyse these two treatment modalities for ruptured carotid-ophthalmic aneurysms with respect to independent clinical outcome...
March 2, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28637017/diagnostic-and-prognostic-values-of-cerebrospinal-fluid-cyfra-21-1-in-patients-with-leptomeningeal-carcinomatosis
#4
Jae-Won Hyun, Ji Hyun Park, Boo Gil Kang, Eun Young Park, Boram Park, Jungnam Joo, Jong Kuk Kim, Su-Hyun Kim, Jee Hyang Jeong, Hyang Woon Lee, Kee Duk Park, Kyung Gyu Choi, Sang-Hyun Hwang, Ho-Shin Gwak, Ho Jin Kim
OBJECTIVES: To investigate the diagnostic and prognostic values of cerebrospinal fluid (CSF) CYFRA 21-1 in patients with leptomeningeal carcinomatosis (LMC). METHODS: Concentration of CSF CYFRA 21-1 was detected using electro-chemiluminescent immunoassay. The difference in level of CYFRA 21-1 between 61 patients with LMC and 200 patients with other neurological disease was evaluated, and diagnostic performance of CSF CYFRA 21-1 was investigated. In LMC patients treated with ventriculo-lumbar perfusion (VLP) chemotherapy, prognostic performance of CSF CYFRA 21-1 was evaluated...
June 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28635373/relative-risk-of-hemorrhage-during-pregnancy-in-patients-with-brain-arteriovenous-malformations
#5
Janneke van Beijnum, Tim Wilkinson, Heather J Whitaker, Johanna G van der Bom, Ale Algra, W Peter Vandertop, René van den Berg, Patrick A Brouwer, Gabriël Je Rinkel, L Jaap Kappelle, Rustam Al-Shahi Salman, Catharina Jm Klijn
Background It is unclear whether the risk of bleeding from brain arteriovenous malformations is higher during pregnancy, delivery, or puerperium. We compared occurrence of brain arteriovenous malformation hemorrhage in women during this period with occurrence of hemorrhage outside this period during their fertile years. Methods We included all women with ruptured brain arteriovenous malformations (16-41 years) from a retrospective database of patients with brain arteriovenous malformations in four Dutch university hospitals (n = 95) and from the population-based Scottish Audit of Intracranial Vascular Malformations (n = 44)...
January 1, 2017: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/28634832/the-fragility-of-randomized-controlled-trials-in-intracranial-hemorrhage
#6
REVIEW
Yanfei Shen, Xuping Cheng, Weimin Zhang
Fragility of randomized controlled trials (RCTs) has been evaluated using a novel metric called fragility index (FI), which measures how many events the statistical significance of a dichotomous outcome depends on. This study aimed to evaluate the fragility of RCTs in intracranial hemorrhage. Literature search (PubMed/Embase) identified all RCTs of intracranial hemorrhage since 2006. The overall distribution of FI was evaluated. Subgroup and spearman correlation analyses were made to explore potential factors that may affect FI value...
June 20, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28634578/neonatal-venous-thromboembolism
#7
REVIEW
Kristina M Haley
Neonates are the pediatric population at highest risk for development of venous thromboembolism (VTE), and the incidence of VTE in the neonatal population is increasing. This is especially true in the critically ill population. Several large studies indicate that the incidence of neonatal VTE is up almost threefold in the last two decades. Central lines, fluid fluctuations, sepsis, liver dysfunction, and inflammation contribute to the risk profile for VTE development in ill neonates. In addition, the neonatal hemostatic system is different from that of older children and adults...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28634463/protective-effect-of-n-acetylcysteine-amide-on-blast-induced-increase-in-intracranial-pressure-in-rats
#8
Usmah Kawoos, Richard M McCarron, Mikulas Chavko
Blast-induced traumatic brain injury is associated with acute and possibly chronic elevation of intracranial pressure (ICP). The outcome after TBI is dependent on the progression of complex processes which are mediated by oxidative stress. So far, no effective pharmacological protection against TBI exists. In this study, rats were exposed to a single or repetitive blast overpressure (BOP) at moderate intensities of 72 or 110 kPa in a compressed air-driven shock tube. The degree and duration of the increase in ICP were proportional to the intensity and frequency of the blast exposure(s)...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28634280/surgical-clipping-or-endovascular-coiling-for-unruptured-intracranial-aneurysms-a-pragmatic-randomised-trial
#9
Tim E Darsaut, J Max Findlay, Elsa Magro, Marc Kotowski, Daniel Roy, Alain Weill, Michel W Bojanowski, Chiraz Chaalala, Daniela Iancu, Howard Lesiuk, John Sinclair, Felix Scholtes, Didier Martin, Michael M Chow, Cian J O'Kelly, John H Wong, Ken Butcher, Allan J Fox, Adam S Arthur, Francois Guilbert, Lu Tian, Miguel Chagnon, Suzanne Nolet, Guylaine Gevry, Jean Raymond
BACKGROUND: Unruptured intracranial aneurysms (UIAs) are increasingly diagnosed and are commonly treated using endovascular treatment or microsurgical clipping. The safety and efficacy of treatments have not been compared in a randomised trial. How to treat patients with UIAs suitable for both options remains unknown. METHODS: We randomly allocated clipping or coiling to patients with one or more 3-25 mm UIAs judged treatable both ways. The primary outcome was treatment failure, defined as: initial failure of aneurysm treatment, intracranial haemorrhage or residual aneurysm on 1-year imaging...
June 20, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28634149/a-non-invasive-restraining-system-for-awake-mouse-imaging
#10
Dan Madularu, Axel P Mathieu, Chathura Kumaragamage, Lauren Reynolds, Jamie Near, Cecilia Flores, M Natasha Rajah
BACKGROUND: Preclinical neuroimaging allows for the assessment of brain anatomy, connectivity and function in laboratory animals, such as mice and rats. Most of these studies are performed under anesthesia to avoid movement during the scanning sessions. METHOD: Due to the limitations associated with anesthetized imaging, recent efforts have been made to conduct rodent imaging studies in awake animals, habituated to the restraint systems used in these instances. As of now, only one such system is commercially available for mouse scanning (Animal Imaging Research, Boston, MA, USA) integrating the radiofrequency coil electronics with the restraining element, an approach which, although effective in reducing head motion during awake imaging, has some limitations...
June 17, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28633905/short-and-long-term-mortality-of-patients-presenting-with-bleeding-events-to-the-emergency-department
#11
Alberto Conti, Noemi Renzi, Daniele Molesti, Simone Bianchi, Irene Bogazzi, Giada Bongini, Giuseppe Pepe, Fabiana Frosini, Alessio Bertini, Massimo Santini
BACKGROUND: Death of patients presenting with bleeding events to the Emergency Department still represent a major problem. We sought to analyze clinical characteristics associated with worse outcomes including short- and long-term death, beyond antithombotic treatment strategy. METHODS: Patients presenting with any bleeding events during 2016-2017years were enrolled. Clinical parameters, site of bleeding, major bleeding, ongoing anti-thrombotic treatment strategy and death were collected...
June 12, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28633540/benign-ependymoma-with-extensive-intracranial-and-spinal-cerebrospinal-fluid-dissemination-case-report-and-literature-review
#12
Fangmei Zhu, Jurong Ding, Yumei Li, Dewang Mao, Xianglei He, Wanyuan Chen, Lin Lou, Zhongxiang Ding
Myxopapillary ependymoma (MPE) is a rare variant of ependymoma that is most commonly located in the cauda equina and filum terminale. We present a case of 23-year-old man diagnosed with MPE in the fourth ventricle and sacral canal area with extensive disseminated lesions along the cerebrospinal ventricular system. Additionally, a molecular pathological diagnosis was performed. The patient underwent a craniotomy and a lumbar laminectomy. In the course of 18 months of follow-up, the patient have recovered very well...
June 21, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28633394/diagnostic-accuracy-of-somatosensory-evoked-potential-monitoring-in-evaluating-neurological-complications-during-endovascular-aneurysm-treatment
#13
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/28632582/the-effect-of-resuscitative-endovascular-balloon-occlusion-of-the-aorta-partial-aortic-occlusion-and-aggressive-blood-transfusion-on-traumatic-brain-injury-in-a-swine-multiple-injuries-model
#14
M Austin Johnson, Timothy K Williams, Sarah-Ashley E Ferencz, Anders J Davidson, Rachel M Russo, William T O'Brien, Joseph M Galante, J Kevin Grayson, Lucas P Neff
BACKGROUND: Despite clinical reports of poor outcomes, the degree to which resuscitative endovascular balloon occlusion of the aorta (REBOA) exacerbates traumatic brain injury (TBI) is not known. We hypothesized that combined effects of increased proximal mean arterial pressure (pMAP), carotid blood flow (Qcarotid), and intracranial pressure (ICP) from REBOA would lead to TBI progression compared with partial aortic occlusion (PAO) or no intervention. METHODS: Twenty-one swine underwent a standardized TBI via computer Controlled cortical impact followed by 25% total blood volume rapid hemorrhage...
July 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28632556/watertight-sealing-without-lumbar-drainage-for-incidental-ventral-dural-defect-in-transthoracic-spine-surgery-a-retrospective-review-of-53-cases
#15
Sang-Hyeop Jeon, Sang-Ho Lee, Yi Sheng Tsang, Tag-Geun Jung, Ki-Hyoung Moon, Gun Choi, Ketan D Dilip
STUDY DESIGN: A retrospective review. OBJECTIVES: To evaluate the therapeutic efficacy of the triple layer closure technique to establish watertight sealing without diversion of lumbar drainage, in preventing persistent incidental subarachnoid-pleural fistula and other neurological complications related to excessive drainage of cerebrospinal fluid (CSF) after dural defect in transthoracic ossified posterior longitudinal ligament (OPLL) surgery. SUMMARY OF BACKGROUND DATA: CSF leakage into the pleural cavity leads to unfavorable conditions for natural healing of incidental durotomy due to the negative pressure environment of the pleural space and lack of wound healing around the bony cavity near the decompressed spinal cord...
July 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28631971/rapidly-progressive-dementia-an-unusual-cause
#16
Aastha Takkar, Veenu Singla, Manish Modi, Vivek Gupta, Manoj K Goyal, Vivek Lal
Brain metastases are known to be present with a history of increased intra-cranial pressure headache, seizures or altered sensorium. Corresponding to the clinical brain metastases are the most feared complication of a systemic cancer. Classically, brain metastases are associated with significant morbidity and are known to present with a history of increased intracranial pressure headache, seizures or altered sensorium. Neuroimaging is usually suggestive of massive peri-lesional edema and mass effect surrounding the space occupying lesions...
January 1, 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/28631961/intracranial-dural-chondroma-in-a-child-conventional-and-advanced-neuroimaging-characteristics-and-differential-diagnosis
#17
Shai Shrot, Alan R Cohen, Fausto J Rodriguez, Frank Berkowitz, Bruno P Soares, Thierry Agm Huisman
Intracranial chondromas are rare tumors, especially in the pediatric population. We describe the conventional and advanced neuroimaging characteristics of this rare convexity dura-based chondroma in a young adolescent. In particular we demonstrate that diffusion-weighted imaging (DWI) facilitates differentiation between a dura-based chondroma and the more frequent classical meningioma. Chondromas are typically DWI hypointense with high apparent diffusion coefficient (ADC) values while meningiomas are typically DWI hyperintense with low ADC values...
January 1, 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/28631740/radiotherapy-for-renal-cell-carcinoma-renaissance-of-an-overlooked-approach
#18
REVIEW
Shankar Siva, Gargi Kothari, Alexander Muacevic, Alexander V Louie, Ben J Slotman, Bin S Teh, Simon S Lo
Conventional radiotherapy previously had a limited role in the definitive treatment of renal cell carcinoma (RCC), owing to the disappointing outcomes of several trials and the perceived radioresistance of this type of cancer. In this context, radiotherapy has been relegated largely to the palliation of symptoms in patients with metastatic disease, with variable rates of response. Following the availability of newer technologies that enable safe delivery of high-dose radiotherapy, stereotactic ablative radiotherapy (SABR) has become increasingly used in patients with RCC...
June 20, 2017: Nature Reviews. Urology
https://www.readbyqxmd.com/read/28631336/a-neuroimaging-approach-to-capture-cognitive-reserve-application-to-alzheimer-s-disease
#19
Anna C van Loenhoud, Alle Meije Wink, Colin Groot, Sander C J Verfaillie, Jos Twisk, Frederik Barkhof, Bart van Berckel, Philip Scheltens, Wiesje M van der Flier, Rik Ossenkoppele
Cognitive reserve (CR) explains interindividual differences in the ability to maintain cognitive function in the presence of neuropathology. We developed a neuroimaging approach including a measure of brain atrophy and cognition to capture this construct. In a group of 511 Alzheimer's disease (AD) biomarker-positive subjects in different stages across the disease spectrum, we performed 3T magnetic resonance imaging and predicted gray matter (GM) volume in each voxel based on cognitive performance (i.e. a global cognitive composite score), adjusted for age, sex, disease stage, premorbid brain size (i...
June 20, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28631318/bupropion-overdose-resulted-in-a-pharmacobezoar-in-a-fatal-bupropion-wellbutrin-%C3%A2-sustained-release-overdose-postmortem-distribution-of-bupropion-and-its-major-metabolites
#20
Gregory Schmit, Evy De Boosere, Jessica Vanhaebost, Arnaud Capron
Bupropion (BUP) overdose commonly causes generalized seizures and central nervous system depression. The case of a 28-year-old woman who died from a massive lethal overdose with sustained-release bupropion (Wellbutrin(®) 300 mg) is herein presented. The autopsy revealed the presence of a pharmacobezoar consisting of at least 40 tablets in the stomach. Determination of bupropion and its active metabolites (hydroxybupropion, threobupropion, erythrobupropion) was achieved by a liquid chromatographic mass spectrometry (LC-MS/MS) method...
June 20, 2017: Journal of Forensic Sciences
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