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Neurosurgical Approach

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https://www.readbyqxmd.com/read/29779186/mastoid-foramen-mastoid-emissary-vein-and-clinical-implications-in-neurosurgery
#1
Martin Hampl, David Kachlik, Katerina Kikalova, Roxane Riemer, Matej Halaj, Vlastimil Novak, Premysl Stejskal, Miroslav Vaverka, Lumir Hrabalek, David Krahulik, Ondrej Nanka
BACKGROUND: Mastoid emissary vein is especially important from the neurosurgical point of view, because it is located in variable number in the area of the occipitomastoid suture and it can become a source of significant bleeding in surgical approaches through the mastoid process, especially in retrosigmoid craniotomy, which is used for approaches to pathologies localized in the cerebellopontine angle. Ideal imaging method for diagnosis of these neglected structures when planning a surgical approach is high-resolution computed tomography...
May 20, 2018: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29778601/diagnosis-classification-and-management-of-fourth-ventriculomegaly-in-adults-report-of-9-cases-and-literature-review
#2
Kaveh Barami, Indro Chakrabarti, James Silverthorn, Jeremy Ciporen, Paul T Akins
OBJECTIVE: An enlarged fourth ventricle otherwise known as fourth ventriculomegaly (4th VM) has been previously reported in the pediatric population yet literature on adults is scant. We report our experience with 4th VM in adults over an 11 year period and review the literature. MATERIAL/METHODS: retrospective chart review of adult patients with the diagnosis of 4th VM admitted to the ICU in a tertiary care center RESULTS: 9 patients were identified with 4th VM...
May 17, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29777884/neurosurgical-management-of-self-inflicted-cranial-crossbow-injury
#3
Charles G Kulwin, Andrew DeNardo, Saad Khairi, Troy Payner
BACKGROUND: While gun-related penetrating traumatic brain injuries make up the majority of cranial missile injuries, low-velocity penetrating injuries present significant clinical difficulties that cannot necessarily be identically managed. Bow hunting is an increasingly popular pastime, and a crossbow allows a unique mechanism to cause a self-inflicted cranial injury with a large, low-velocity projectile. Historically, arrow removal is described in an operating room setting, which provides limited knowledge of the location of vascular injury in the setting of post-removal hemorrhage, and may represent an inefficient use of operating room availability...
May 16, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29758367/clinical-and-neurosurgical-management-of-cranial-machete-injuries-the-experience-of-a-tertiary-referral-center-in-nicaragua
#4
Luis Zapata, Ernest J Wright, Peter Nakaji
BACKGROUND: The neurosurgical literature rarely describes managing open head injuries caused by machetes, although this is a common head injury in developing countries. We present our experience managing cranial machete injuries in Nicaragua over a 5-year period. METHODS: A retrospective chart review identified patients admitted to a neurosurgery service for cranial machete injury. RESULTS: Among 51 patients studied, the majority (n=42, 82%) presented with mild neurological deficits (Glasgow Coma Scale score ≥14)...
May 11, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29753621/analysis-of-hospital-infection-register-indicates-that-the-implementation-of-who-surgical-safety-checklist-has-an-impact-on-early-postoperative-neurosurgical-infections
#5
Marjut Westman, Harri Marttila, Melissa Rahi, Esa Rintala, Eliisa Löyttyniemi, Tuija Ikonen
WHO surgical safety checklist has been proven to reduce postoperative infections in several studies. The aim of our study was to focus on surgical site infections (SSIs) after neurosurgical operations, and to determine whether the checklist implementation would have an impact on the reported SSIs. We used hospital-acquired infection (HAI) register to evaluate the effects of WHO surgical safety checklist in neurosurgery. The HAI register was searched for superficial and deep SSIs, deep organ SSIs, infections following orthopaedic implantation, and other surgical infections of 4678 neurosurgical patients operated on between 2007 and 2011...
May 9, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29753080/palatal-position-of-patient-tracker-for-magnetic-neuronavigation-system-technical-note
#6
Giuseppe Catapano, Francesco Giovanni Sgulò, Piedad Elizabeth Acurio Padilla, Pietro Spennato, Giuseppe Di Nuzzo, Vincenzo Boniello, Matteo de Notaris
OBJECTIVE: Recently, the neuronavigation system (NS) has become an essential intraoperative tool for many neurosurgical procedures allowing for precise lesion localization. For such reason, it is particularly important to avoid errors during the navigation process. In the present study focus on a novel technique with the palatal position of patient tracker to ensure an optimal accuracy during magnetic navigation in different neurosurgical procedures. METHODS: The present retrospective study included a total of 34 patients treated in our Institution between June 2017 and January 2018...
May 9, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29749882/low-cost-endoscopic-third-ventriculostomy-simulator-with-mimetic-endoscope
#7
Richard Justin Garling, Xin Jin, Jianzhong Yang, Ahmad H Khasawneh, Carolyn Anne Harris
OBJECTIVE Hydrocephalus affects approximately 1 in 500 people in the US, yet ventricular shunting, the gold standard of treatment, has a nearly 85% failure rate. Endoscopic third ventriculostomy (ETV) is an alternative surgical approach for a specific subset of hydrocephalic patients, but can be limited by the inability of neurosurgical residents to practice prior to patient contact. The goal of this study was to create an affordable ETV model and endoscope for resident training. METHODS Open-source software was used to isolate the skull and brain from the CT and MR images of a 2-year-old boy with hydrocephalus...
May 11, 2018: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29748981/trial-of-life-well-infants-presenting-more-than-24-h-after-head-injury-with-a-scalp-haematoma-a-10-year-review
#8
Ahilan Parameswaran, Shmuel Heitner, Deepali Thosar, Adam Fowler, Susan Marks, Fenton O'Leary
AIM: To review the investigation, patterns of injury and short-term outcomes of infants younger than 12 months of age who presented more than 24 h after head injury with an isolated scalp haematoma. METHODS: A retrospective chart review of infants who presented with a head injury to the emergency department of a major paediatric hospital between 2006 and 2016. Patients were included if they presented more than 24 h after the injury, were clinically well and had a documented scalp haematoma...
May 10, 2018: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/29747056/brain-ameloblastoma-metastasis-or-local-extension-report-of-a-case-and-literature-review
#9
Jérémie Bettoni, Cécilia Neiva, Charlie Demarteleire, Sylvie Testelin, Bernard Devauchelle, Stéphanie Dakpé
Background Ameloblastoma is a rare benign odontogenic tumor with a metastasis rate estimated at 2% of cases, mainly involving the lung (80%) and lymph nodes (20%). Methods We hereby present the case of a 26 year old patient with a history of locally recurrent mandibular ameloblastoma who developed a temporal intracranial ameloblastoma tumor requiring a collaborative neurosurgical and maxillo-facial radical surgical approach. Conclusion Although ameloblastomas are histologically benign, the temporal topography questions the dissemination pathophysiology of the tumor (metastasis or local extension through temporal muscle fibers), mainly relevant in cases of multiple recurrences...
May 7, 2018: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29746544/free-water-modeling-of-peritumoral-edema-using-multi-fiber-tractography-application-to-tracking-the-arcuate-fasciculus-for-neurosurgical-planning
#10
Shun Gong, Fan Zhang, Isaiah Norton, Walid I Essayed, Prashin Unadkat, Laura Rigolo, Ofer Pasternak, Yogesh Rathi, Lijun Hou, Alexandra J Golby, Lauren J O'Donnell
PURPOSE: Peritumoral edema impedes the full delineation of fiber tracts due to partial volume effects in image voxels that contain a mixture of cerebral parenchyma and extracellular water. The purpose of this study is to investigate the effect of incorporating a free water (FW) model of edema for white matter tractography in the presence of edema. MATERIALS AND METHODS: We retrospectively evaluated 26 consecutive brain tumor patients with diffusion MRI and T2-weighted images acquired presurgically...
2018: PloS One
https://www.readbyqxmd.com/read/29738857/the-effect-of-tumour-neovasculature-on-fmri-bold-activation
#11
Layla Gould, Chelsea Ekstrand, Daryl R Fourney, Marla J S Mickleborough, Tasha Ellchuk, Ron Borowsky
We report a 40-year-old patient with a large, WHO grade III oligodendroglioma in the left parietal lobe. Presurgical planning included fMRI localization of language, motor, and somatosensory processing. The fMRI results for the motor and somatosensory tasks revealed activation in peri-lesional regions near the surgical resection, as well as deactivation in the tumour for the sensory task, suggesting that there is decreased autoregulation in the region due to the glioma. The fMRI results showed left hemisphere dominance for language, as well as activation in peri-lesional regions for all three speech tasks (i...
May 5, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29731315/multiple-neurosurgical-treatments-for-different-members-of-the-same-family-with-currarino-syndrome
#12
N Serratrice, L Fievet, F Albader, D Scavarda, H Dufour, S Fuentes
INTRODUCTION: Currarino's syndrome (CS) is an autosomal dominant disorder of embryonic development causing a rare malformating syndrome characterized by a triad of an anorectal malformations, presacral mass (most commonly an anterior sacral meningocele) and sacral bony defects. Mutations of the HLXB9 gene have been identified in most CS cases, but a precise genotype-phenotype correlation has not been described so far. Family screening is obligatory. The diagnosis is usually made during childhood and rarely in adulthood...
May 3, 2018: Neuro-Chirurgie
https://www.readbyqxmd.com/read/29712534/a-scoping-review-on-health-economics-in-neurosurgery-for-acute-spine-trauma
#13
Brian C F Chan, B Catharine Craven, Julio C Furlan
OBJECTIVE Acute spine trauma (AST) has a relatively low incidence, but it often results in substantial individual impairments and societal economic burden resulting from the associated disability. Given the key role of neurosurgeons in the decision-making regarding operative management of individuals with AST, the authors performed a systematic search with scoping synthesis of relevant literature to review current knowledge regarding the economic burden of AST. METHODS This systematic review with scoping synthesis included original articles reporting cost-effectiveness, cost-utility, cost-benefit, cost-minimization, cost-comparison, and economic analyses related to surgical management of AST, whereby AST is defined as trauma to the spine that may result in spinal cord injury with motor, sensory, and/or autonomic impairment...
May 2018: Neurosurgical Focus
https://www.readbyqxmd.com/read/29702967/neurosurgery-in-east-africa-innovations
#14
Karol P Budohoski, Japhet G Ngerageza, Benedict Austard, Anthony Fuller, Robert Galler, Michael Haglund, Ronald Lett, Isador H Lieberman, Halinder S Mangat, Karen March, David Olouch-Olunya, José Piquer, Mahmood Qureshi, Maria M Santos, Karsten Schöller, Hamisi K Shabani, Rikin A Trivedi, Paul Young, Micaella R Zubkov, Roger Härtl, Philip E Stieg
In the last 10 years, considerable work has been done to promote and improve neurosurgical care in East Africa with the development of national training programs, expansion of hospitals and creation of new institutions, and the foundation of epidemiologic and cost-effectiveness research. Many of the results have been accomplished through collaboration with partners from abroad. This article is the third in a series of articles that seek to provide readers with an understanding of the development of neurosurgery in East Africa (Foundations), the challenges that arise in providing neurosurgical care in developing countries (Challenges), and an overview of traditional and novel approaches to overcoming these challenges to improve healthcare in the region (Innovations)...
May 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29702966/the-growth-of-neurosurgery-in-east-africa-challenges
#15
Maria M Santos, Mubashir M Qureshi, Karol P Budohoski, Halinder S Mangat, Japhet G Ngerageza, Karsten Schöller, Hamisi K Shabani, Micaella R Zubkov, Roger Härtl
As the second of 3 articles in this series, the aim of this article is to provide readers with an understanding of the development of neurosurgery in East Africa (foundations), the challenges that arise in providing neurosurgical care in developing countries (challenges), and an overview of traditional and novel approaches to overcoming these challenges and improving health care in the region (innovations). Recognizing the challenges that need to be addressed is the first step to implementing efficient and qualified surgery delivery systems in low- and middle-income countries...
May 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29702965/neurosurgery-in-east-africa-foundations
#16
Halinder S Mangat, Karsten Schöller, Karol P Budohoski, Japhet G Ngerageza, Mahmood Qureshi, Maria M Santos, Hamisi K Shabani, Micaella R Zubkov, Roger Härtl, Philip E Stieg
This article is the first in a series of 3 articles that seek to provide readers with an understanding of the development of neurosurgery in East Africa (Foundations), the challenges that arise in providing neurosurgical care in developing countries (Challenges), and an overview of traditional and novel approaches to overcoming these challenges to improve healthcare in the region (Innovations). We review the history and evolution of neurosurgery as a clinical specialty in East Africa. We also review Kenya, Uganda, and Tanzania in some detail and highlight contributions of individuals and local and regional organizations that helped to develop and shape neurosurgical care in East Africa...
May 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29697374/-minimally-invasive-surgery-of-cerebral-aneurysms
#17
R Dzhindzhikhadze, A Kiselev, O Dreval, V Lazarev, A Polyakov
Minimally invasive neurosurgery has significantly evolved over the last several decades. This is due to the improvement of neurodiagnostics, microneurosurgical techniques, neuroanesthesiology and intraoperative imaging. Aim - authors present the results of the use of minimally invasive surgery (MIS) in cerebral aneurysms. In the period 2013-2017, we used 4 minimally invasive approaches in 240 patients with 246 aneurysms. The choice of surgical approach was determined after a thorough evaluation of the intracranial structures and aneurysms...
March 2018: Georgian Medical News
https://www.readbyqxmd.com/read/29687177/knowledge-transfer-for-surgical-activity-prediction
#18
Olga Dergachyova, Xavier Morandi, Pierre Jannin
PURPOSE: Lack of annotated training data hinders automatic recognition and prediction of surgical activities necessary for situation-aware operating rooms. We propose using knowledge transfer to compensate for data deficit and improve prediction. METHODS: We used two approaches to extract and transfer surgical process knowledge. First, we encoded semantic information about surgical terms using word embedding. Secondly, we passed knowledge between different clinical datasets of neurosurgical procedures using transfer learning...
April 23, 2018: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/29685408/staged-multi-modality-treatment-approaches-for-giant-cerebellopontine-angle-hemangioblastomas
#19
Michael D Staudt, Matthew O Hebb
Giant hemangioblastomas (HBs) located in the cerebellopontine angle (CPA) present rare, high risk neurosurgical challenges. En bloc resection has been traditionally recommended for HBs, however this approach may pose unacceptable risk with giant tumors. Alternative treatment strategies have not been well described and the relevant literature is scant. This case review includes an illustrative patient with a giant, symptomatic CPA HB. It was felt that the neurovascular and tumor attributes were favorable for a multi-modality treatment strategy rather than circumferential dissection to remove this formidable tumor...
April 20, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29675718/ultrasound-guided-brain-surgery-echographic-visibility-of-different-pathologies-and-surgical-applications-in-neurosurgical-routine
#20
Domenico Policicchio, Artan Doda, Enrico Sgaramella, Stefano Ticca, Filippo Veneziani Santonio, Riccardo Boccaletti
BACKGROUND: The use of intraoperative ultrasound (iUS) has increased in the last 15 years becoming a standard tool in many neurosurgical centers. Our aim was to assess the utility of routine use of iUS during various types of intracranial surgery. We reviewed our series to assess ultrasound visibility of different pathologies and iUS applications during the course of surgery. MATERIALS AND METHODS: This is a retrospective review of 162 patients who underwent intracranial surgery with assistance of the iUS guidance system (SonoWand)...
April 19, 2018: Acta Neurochirurgica
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