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vascular neurosurgery

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https://www.readbyqxmd.com/read/27916035/-microsurgical-management-and-outcomes-of-intramedullary-spinal-arteriovenous-malformations-a-report-of-14-cases
#1
L Zhang, W Q Jia, J Yang
Objective: To investigate the clinical features, microsurgical management and outcomes of intramedullary spinal arteriovenous malformations (AVM). Methods: A series of 14 patients (10 male, 4 female; mean age (39.1±17.2) years ranged from 16 to 72 years) with intramedullary spinal AVM who underwent microsurgical treatment from November 2008 to April 2015 in Department of Neurosurgery at Beijing Tiantan Hospital were retrospectively reviewed. The location of the AVM included cervical (n=6), thoracic (n=3), cervicothoracic (n=2), and conus medullaris (n=3)...
December 1, 2016: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/27889267/attribution-2-0-whose-complication-is-it
#2
Greg Hambright, Theresa Jackson, Vaidehi Agrawal, Antonio Arazosa, Benjamin Newman, Michael S Truitt
BACKGROUND: Payment models aimed at improving quality and curbing costs are being deployed, and hospitals are evaluating complications more closely. To decrease complications, hospitals must first "attribute" them to a responsible party. Our study uses a rigorous approach to attribution in the trauma population. METHODS: Twelve months of complications were reviewed by a multidisciplinary panel. Physicians, patients, nursing, and the hospital were all incorporated into the model...
September 28, 2016: American Journal of Surgery
https://www.readbyqxmd.com/read/27813463/bypass-surgery-for-complex-middle-cerebral-artery-aneurysms-an-algorithmic-approach-to-revascularization
#3
Ali Tayebi Meybodi, Wendy Huang, Arnau Benet, Olivia Kola, Michael T Lawton
OBJECT Management of complex aneurysms of the middle cerebral artery (MCA) can be challenging. Lesions not amenable to endovascular techniques or direct clipping might require a bypass procedure with aneurysm obliteration. Various bypass techniques are available, but an algorithmic approach to classifying these lesions and determining the optimal bypass strategy has not been developed. The objective of this study was to propose a comprehensive and flexible algorithm based on MCA aneurysm location for selecting the best of multiple bypass options...
November 4, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27713067/clinical-experience-with-intraoperative-ultrasound-image-in-microsurgical-resection-of-cerebral-arteriovenous-malformations
#4
Hongzhi Xu, Zhiyong Qin, Ming Xu, Chunjui Chen, Junjie Zhang, Xiancheng Chen
BACKGROUND: Intraoperative ultrasound is widely used in neurosurgery for the management of intracerebral hematoma and brain tumor. However, the clinical value of this method in the surgery of cerebral arteriovenous malformations (AVMs) has not been reported. In this study, the application of intraoperative ultrasound for AVMs surgery was evaluated prospectively. METHODS: This prospective clinical study comprised of 41 patients who underwent microsurgical resection of cerebral AVMs at our institute...
October 3, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27698835/cerebellar-hemangioblastoma-mimicking-an-aneurysm-a-case-report-and-literature-review
#5
Yu-Chen Ji, Yan Li, Jing-Xia Hu, Hong-Bo Zhang, Peng-Xiang Yan, Huan-Cong Zuo
Hemangioblastomas (HBMs) are highly vascular tumors of the central nervous system. Sporadic HBMs are nearly always solitary, and solitary HBMs are similar to intracranial arteriovenous malformations due to their highly vascular characteristics. However, to the best of our knowledge, cases of HBM in the cerebellum mimicking an aneurysm have never been reported in the literature. The present study reports a case of an HBM on the right cerebellar hemisphere mimicking an aneurysm, which originated from the right posterior inferior cerebellar artery, as determined using magnetic resonance angiography and digital subtraction angiography...
October 2016: Oncology Letters
https://www.readbyqxmd.com/read/27692502/intraoperative-rupture-in-the-surgical-treatment-of-patients-with-intracranial-aneurysms
#6
S F Chen, Y Kato, A Kumar, G W Tan, D Oguri, J Oda, T Watabe, S Imizu, H Sano, Z X Wang
Intraoperative rerupture (IOR) during clipping of cerebral aneurysms is a difficult complication of microneurosurgery. The aim of this study was to evaluate the incidence of IOR and analyze the strategies for controlling profound hemorrhage. A total of 165 patients with unruptured intracranial aneurysms and 46 patients with subarachnoid hemorrhage (SAH) treated surgically between April 2010 and March 2011, were reviewed. The data were collected with regard to age, sex, presence of symptoms, confounding factors and strategy for controlling intraoperative hemorrhage was analyzed in terms of location of aneurysms, timing of rupture and severity of IOR...
September 27, 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/27646322/optic-disc-drusen-longitudinal-aspects-with-emphasis-on-visual-field-constriction-and-enlarged-blind-spot-a-retrospective-hospital-based-clinical-series
#7
Hans C Fledelius
PURPOSE: To examine long-term data on optic disc drusen (ODD) from an outpatient hospital series that indicated more cases with advanced visual field constriction than is apparent from other clinical reports. The underlying pathophysiology is discussed, also with regard to enlarged blind spot, which, in view of the small disc at risk, may seem a paradox. METHODS: This is an observational retrospective study on an eye clinic series (n = 49), focusing on visual acuity, kinetic/static perimetry, and longitudinal trends, to include the question of eventual visual incapacity...
August 24, 2016: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/27637646/intracranial-and-spinal-dural-arterio-venous-fistula-davf-a-surgical-series-of-107-patients
#8
Alessandro Bertuccio, Chiara Robba, Giannantonio Spena, Pietro Primo Versari
INTRODUCTION: Dural arteriovenous fistulas (DAVFs) is a challenging condition in vascular neurosurgery. Development of new endovascular techniques has progressively modified treatment strategies; however, surgery is still considered a valid option of treatment of this pathology. MATERIALS AND METHODS: From a retrospective analysis of our database, we selected 107 patients who underwent surgical treatment for DAVFs. Patients were grouped into five categories according to the Borden and Cognard classifications...
2016: Acta Neurochirurgica. Supplement
https://www.readbyqxmd.com/read/27581336/ibis-an-or-ready-open-source-platform-for-image-guided-neurosurgery
#9
Simon Drouin, Anna Kochanowska, Marta Kersten-Oertel, Ian J Gerard, Rina Zelmann, Dante De Nigris, Silvain Bériault, Tal Arbel, Denis Sirhan, Abbas F Sadikot, Jeffery A Hall, David S Sinclair, Kevin Petrecca, Rolando F DelMaestro, D Louis Collins
PURPOSE: Navigation systems commonly used in neurosurgery suffer from two main drawbacks: (1) their accuracy degrades over the course of the operation and (2) they require the surgeon to mentally map images from the monitor to the patient. In this paper, we introduce the Intraoperative Brain Imaging System (IBIS), an open-source image-guided neurosurgery research platform that implements a novel workflow where navigation accuracy is improved using tracked intraoperative ultrasound (iUS) and the visualization of navigation information is facilitated through the use of augmented reality (AR)...
August 31, 2016: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/27569564/-syringomyelias-in-paediatrics-a-retrospective-study-of-25-cases
#10
I Martinez-Albaladejo, M Prochazkova, I Perez-Sebastian, B Bernardino-Cuesta, C Martinez-Ferrandez, O M Suarez-Traba, M Budke, J J Garcia-Penas
INTRODUCTION: Syringomyelia is defined as a cavity containing cerebrospinal fluid inside the spinal cord. AIM: To describe the clinical characteristics of a series of patients with syringomyelia, as well as its diagnosis and treatment. PATIENTS AND METHODS: We conducted a retrospective descriptive study by reviewing the medical records at our centre. RESULTS: We reviewed 25 patients diagnosed with syringomyelia. In five cases, the diagnosis was reached casually, and eight of them presented a previous severe pathology (tumour, bone or vascular)...
September 1, 2016: Revista de Neurologia
https://www.readbyqxmd.com/read/27535633/history-of-the-neurosurgery-department-of-pontificia-universidad-cat%C3%A3-lica-santiago-chile
#11
Felipe Sfeir, Pablo Villanueva, Patricio Tagle
Pontificia Universidad Católica de Chile´s medical school was founded in 1929. Interest for neurosurgical development arose in the minds of the Dean, Dr. Cristobal Espíldora, and the Chief of Surgery, Dr. Rodolfo Rencoret in 1946. They encouraged and supported Dr. J. Ricardo Olivares to specialize in Neurosurgery with Professor H. Olivecrona in Stockholm, Sweden. The first neurosurgical procedure in the Hospital Clínico de la Universidad Católica was performed in 1950. Since then, intensive efforts have been made to develop Neurosurgery and its science...
August 12, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27513979/intracranial-angiomatous-meningiomas-a-15-year-multicenter-study
#12
A Ben Nsir, M Chabaane, H Krifa, H Jeme, N Hattab
BACKGROUND: Angiomatous meningiomas (AMs) represent a rare subtype of meningiomas in which the vascular component prevail. They represent less than 1% of all intracranial tumors and approximately 2.1% of all meningeal tumors (Hasselblatt et al., 2004). The purpose of this study was to determine the clinical characteristics, radiological features and prognosis of AMs based on a Tunisian multicenter experience in the management of 58 successive cases of intracranial AMs. To the best of our knowledge, this is the largest series reported to date...
October 2016: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/27501656/tranexamic-acid-in-anesthetic-management-of-surgical-procedures
#13
Jessica Mayeux, Kathy Alwon, Shawn Collins, Ian Hewer
Blood loss during surgical procedures poses a grave risk to the patient, but transfusion is costly and associated with adverse outcomes. Antifibrinolytics, however, offer an economical and effective means of decreasing blood loss associated with surgical procedures. Tranexamic acid (TXA) is an antifibrinolytic that blocks lysine-binding sites of fibrinogen and fibrin, preventing the breakdown of existing clots. This journal course reviews extensive research demonstrating that antifibrinolytics such as TXA decrease blood loss and in some studies reduce allogeneic transfusion requirements...
June 2016: AANA Journal
https://www.readbyqxmd.com/read/27501604/comparing-the-success-rate-of-radial-artery-cannulation-under-ultrasound-guidance-and-palpation-technique-in-adults
#14
RANDOMIZED CONTROLLED TRIAL
Suwimon Tangwiwat, Walaiporn Pankla, Pranee Rushatamukayanunt, Pichaya Waitayawinyu, Trisana Soontrakom, Anchala Jirakulsawat
BACKGROUND: Previous studies have shown ultrasound guidance (USG)for arterial cannulation being advantageous compared to palpation technique, but little is known about its performance by novices. OBJECTIVE: This study was to compare the utility of USG radial artery cannulation with palpation technique in terms of success rate, real-time to placement, number of attempts and complications. MATERIAL AND METHOD: After IRB approval, a randomized prospective study was performed November 2009-October 2010...
May 2016: Journal of the Medical Association of Thailand, Chotmaihet Thangphaet
https://www.readbyqxmd.com/read/27446925/personalized-medicine-in-cerebrovascular-neurosurgery-precision-neurosurgical-management-of-cerebral-aneurysms-and-subarachnoid-hemorrhage
#15
REVIEW
Achal Singh Achrol, Gary K Steinberg
Cerebral aneurysms are common vascular lesions. Little is known about the pathogenesis of these lesions and the process by which they destabilize and progress to rupture. Treatment decisions are motivated by a desire to prevent rupture and the devastating morbidity and mortality associated with resulting subarachnoid hemorrhage (SAH). For patients presenting with SAH, urgent intervention is required to stabilize the lesion and prevent re-rupture. Those patients fortunate enough to survive a presenting SAH and subsequent securing of their aneurysm must still face a spectrum of secondary sequelae, which can include cerebral vasospasm, delayed ischemia, seizures, cerebral edema, hydrocephalus, and endocrinologic and catecholamine-induced systemic dysfunction in cardiac, pulmonary, and renal systems...
2016: Frontiers in Surgery
https://www.readbyqxmd.com/read/27437257/oculomotor-nerve-palsy-as-a-rare-presentation-and-first-sign-of-multiple-myeloma
#16
Bijnya Birajita Panda, Sucheta Parija, Jyotiranjan Mallick, Susanta Pujahari
Acquired oculomotor nerve palsy has varied aetiologies like vascular (diabetes, heart disease, atherosclerosis and posterior communicating artery aneurysm), space occupying lesions or tumours, inflammation, infection, trauma, demyelinating disease like Multiple sclerosis, autoimmune disorders such as Myasthenia gravis, postoperatively as a complication of neurosurgery, cavernous sinus thrombosis etc. Cranial Nerve palsies as one of the first symptoms of multiple myeloma have been reported sparsely in literature...
May 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27423199/efficacy-and-safety-of-treatment-of-ruptured-intracranial-aneurysms
#17
Alexander Hammer, Anahi Steiner, Ghassan Kerry, Gholamreza Ranaie, Eduard Yakubov, David Lichtenstern, Ingrid Baer, Hendrik Janssen, Christian M Hammer, Stefan Kunze, Hans-Herbert Steiner
OBJECTIVE: This prospective multicenter study was designed to compare the endovascular treatment results of ruptured aneurysms with the outcome of microsurgical clipping. METHODS: Six hundred and sixty one cases of ruptured intracranial aneurysms with consecutive subarachnoid hemorrhage between 1997 and 2014 of 2 large medical centers have been recorded and analyzed. Two hundred and seventy one cases of subarachnoid hemorrhage were subjected to endovascular treatment while 390 cases underwent microsurgical treatment...
July 13, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27399533/335%C3%A2-a-modular-multimodality-integrative-pipeline-for-neurosurgery-simulation-and-visualization
#18
Anthony Beardsworth Costa, Joshua B Bederson
INTRODUCTION: The practice of pre- and intraoperative interactive visualization and modeling continues to grow as its value to clinical practice is augmented by new technologies, such as virtual and augmented reality, or 3D printing. Current tools that extract the necessary structural information from medical imaging modalities and allow virtual or other interrogation of the data are either difficult to use in a practical clinical setting, or sufficiently simple as to limit the knowledge available to the operator...
August 2016: Neurosurgery
https://www.readbyqxmd.com/read/27399431/152%C3%A2-a-prospective-controlled-trial-of-the-effect-of-surgeon-cost-scorecards-on-operating-room-surgical-cost-reduction
#19
Corinna Clio Zygourakis, Victoria Valencia, Chris Moriates, Christy Boscardin, Sereina Catschegn, Andrew Goldberg, Kevin Bozic, Kent Soo Hoo, Rosanna Wustrack, Lawrence H Pitts, Adams Dudley, Ralph Gonzales, Michael T Lawton
INTRODUCTION: Despite the large contribution of surgical expenses to rising health care costs, many surgeons have little knowledge of their operating room (OR) costs. The goal of OR SCORE (OR Surgical Cost Reduction) is to determine whether providing surgeons with cost feedback reduces OR costs. METHODS: We performed a prospective controlled trial from January to December 2015 at University of California San Francisco (UCSF). Each surgeon in the orthopedic, ear, nose, and throat, and neurosurgery departments received standardized scorecards on a monthly basis in 2015...
August 2016: Neurosurgery
https://www.readbyqxmd.com/read/27389051/partnership-in-fellowship-comparative-analysis-of-pediatric-surgical-training-and-evaluation-of-a-fellow-exchange-between-canada-and-kenya
#20
Robert Baird, Dan Poenaru, Michael Ganey, Erik Hansen, Sherif Emil
BACKGROUND: In pediatric surgery, significant differences in education and practice exist between developed and developing nations. We compared the training of senior fellows in a Canadian and a Kenyan pediatric surgery training program, and evaluated a fellow exchange between the programs. METHODS: The study was performed six years after creation of the exchange program. Areas studied included case volume and distribution, length of training, curriculum, work hours, and an estimate of service to education ratio...
October 2016: Journal of Pediatric Surgery
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