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https://www.readbyqxmd.com/read/29913198/neuronal-firing-rate-and-oscillatory-patterns-in-the-basal-ganglia-nuclei-differ-from-those-of-the-ventrolateral-thalamus-in-patients-with-parkinson-disease
#1
Gang Du, Ping Zhuang, Yuqing Zhang, Jianyu Li, Yongjie Li
We compared the firing rates and proportion of patterns of oscillatory neurons in the subthalamic nucleus (STN), globus pallidus internus (GPi), and ventrolateral thalamus (VL) in Parkinson disease (PD). Twenty-nine patients with PD who underwent stereotactic neurosurgery were included in the study. Microelectrode recordings in the STN (n = 16), GPi (n = 9), and VL (n = 9) were performed. Power spectral analysis was used to explore neuronal oscillation. Of 76 STN neurons, 39.5% were tremor frequency oscillatory neurons (4-6 Hz, TFB) and 28...
June 15, 2018: Neuroscience Letters
https://www.readbyqxmd.com/read/29912723/balanced-crystalloids-versus-saline-for-perioperative-intravenous-fluid-administration-in-children-undergoing-neurosurgery-a-randomized-clinical-trial
#2
Mariana F Lima, Iuri S Neville, Sergio Cavalheiro, Dafne C Bourguignon, Paolo Pelosi, Luiz M S Malbouisson
BACKGROUND: Balanced crystalloid solutions induce less hyperchloremia than normal saline, but their role as primary fluid replacement for children undergoing surgery is unestablished. We hypothesized that balanced crystalloids induce less chloride and metabolic derangements than 0.9% saline solutions in children undergoing brain tumor resection. METHODS: In total, 53 patients (age range, 6 mo to 12 y) were randomized to receive balanced crystalloid (balanced group) or 0...
June 15, 2018: Journal of Neurosurgical Anesthesiology
https://www.readbyqxmd.com/read/29911029/disorders-of-water-balance-following-sellar-and-suprasellar-surgeries-patterns-determinants-and-utility-of-quantitative-analysis
#3
Sonu Kalappurakkal Simon, Praveen Valliyaparambil Pavithran, Aldyne Reena Asirvatham, R Ayyadurai, A Parasuram
Background and Objective: The primary objective of this study was to evaluate the application of principles of quantitative analysis to assess disorders of water balance following surgeries for sellar and suprasellar masses and also to investigate potential factors influencing the occurrence and course of these disorders. Materials and Methods: A total of 36 consecutive adult patients who underwent surgery for sellar and suprasellar masses between 2014 and 2015 were prospectively followed up in this observational study...
March 2018: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29909503/prophylactic-antibiotics-in-pediatric-neurological-surgery
#4
Friederike Knerlich-Lukoschus, Martina Messing-Jünger
PURPOSE: Surgical antibiotic prophylaxis (SAP) in pediatric neurosurgery has poorly been characterized until now. This review gives an overview on the current literature extracting recommendations and guidelines. METHODS: The current literature on SAP with special forcus on pediatric neurosurgerical procedures was reviewed. Further, available recommendations in online databases were checked. Clean neurosurgical, shunt, and implant surgeries are considered separately...
June 16, 2018: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29909214/classification-and-protection-of-peritumoral-draining-veins-of-parasagittal-and-falcine-meningiomas
#5
Xuan Wang, Meng-Yang Wang, Kang Qian, Long Chen, Fang-Cheng Zhang
OBJECTIVE: This study aims to investigate the importance and types of peritumoral draining veins in parasagittal and falcine meningiomas, and administer corresponding protective strategies during surgery according to these different types, in order to improve tumor resection rate and maximize the protection of neurological functions. METHODS: The clinical information of 156 patients with parasagittal and falcine meningiomas, who were admitted at the Neurosurgery Department of our hospital, was collected and retrospectively analyzed...
June 14, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29906575/sodium-fluorescein-video-angiography-fl-vag-as-an-adjunct-to-resection-of-cerebral-arteriovenous-malformations
#6
Serrano-Rubio Alejandro, Ruiz-Treviño Armando S, Orenday-Barraza Jose M, Vázquez-Gregorio Rafael, Lee Angel, Nathal Edgar
OBJECT: The use of intraoperative fluorescence has proven to be a useful tool in multiple neurosurgical procedures with a potential utility in treating arteriovenous malformations (AVMs). The aim of this study was to characterize dynamic changes of an AVM using a microscope-integrated technique at the moment of performing an intraoperative Sodium fluorescein videoangiography (FL-VAG) at each of the resection phases. METHODS: Our study at the National Institute of Neurology and Neurosurgery-Mexico City, prospectively recruited twelve patients harboring an AVM, using FL-VAG as an ancillary technique for the resection of the lesion...
June 12, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29904889/clinical-presentation-and-management-of-headache-in-pituitary-tumors
#7
REVIEW
Himanshu Suri, Carrie Dougherty
PURPOSE OF REVIEW: This article provides an overview of headache in the setting of pituitary adenoma. The purpose of this article is to educate providers on the association, possible pathophysiology, and the clinical presentation of headache in pituitary tumor. RECENT FINDINGS: Recent prospective evaluations indicate that risk factors for development of headache in the setting of pituitary adenoma include highly proliferative tumors, cavernous sinus invasion, and personal or family history of headache...
June 15, 2018: Current Pain and Headache Reports
https://www.readbyqxmd.com/read/29904585/recent-advances-in-deep-brain-stimulation-in-psychiatric-disorders
#8
REVIEW
Anne-Hélène Clair, William Haynes, Luc Mallet
Deep brain stimulation (DBS) has been offered to patients suffering of severe and resistant neuropsychiatric disorders like Obsessive Compulsive Disorder (OCD), Gilles de la Tourette Syndrome (TS) and Major Depression (MDD). Modulation of several targets within the cortico-striato-thalamo-cortical circuits can lead to a decrease of symptom severity in those patients. This review focuses on the recent clinical outcomes in DBS in psychiatric disorders. Studies on OCD and TS are now focusing on the long-term effects of DBS, with encouraging results regarding not only the decrease of symptoms, but also quality of life...
2018: F1000Research
https://www.readbyqxmd.com/read/29904503/arachnoid-cysts-with-spontaneous-intracystic-hemorrhage-and-associated-subdural-hematoma-report-of-management-and-follow-up-of-2-cases
#9
Mehmet Emin Adin, Mehmet Sıddık Yıldız, Muhammed Akif Deniz, Ashkan H Behzadi, Daddy Mata-Mbemba
Arachnoid cysts are one of the most frequently encountered intracranial space-occupying lesions in daily neurosurgery and neuroradiology practice. Majority of arachnoid cysts, particularly those of smaller sizes, have a benign uneventful lifetime course. Certain symptoms may indicate serious complications related to underlying arachnoid cysts. Hemorrhage is one of the most fearsome complications of arachnoid cysts and almost all reported cases in the literature have undergone surgical correction. In this study, we aimed to present clinical and radiologic follow-up findings in two adult cases of intracranial arachnoid cyst with spontaneous intracystic hemorrhage and associated subdural hematoma, one of which was successfully treated conservatively...
April 2018: Radiology case reports
https://www.readbyqxmd.com/read/29903905/idiopathic-intracranial-hypertension-consensus-guidelines-on-management
#10
REVIEW
Susan P Mollan, Brendan Davies, Nick C Silver, Simon Shaw, Conor L Mallucci, Benjamin R Wakerley, Anita Krishnan, Swarupsinh V Chavda, Satheesh Ramalingam, Julie Edwards, Krystal Hemmings, Michelle Williamson, Michael A Burdon, Ghaniah Hassan-Smith, Kathleen Digre, Grant T Liu, Rigmor Højland Jensen, Alexandra J Sinclair
The aim was to capture interdisciplinary expertise from a large group of clinicians, reflecting practice from across the UK and further, to inform subsequent development of a national consensus guidance for optimal management of idiopathic intracranial hypertension (IIH). METHODS: Between September 2015 and October 2017, a specialist interest group including neurology, neurosurgery, neuroradiology, ophthalmology, nursing, primary care doctors and patient representatives met. An initial UK survey of attitudes and practice in IIH was sent to a wide group of physicians and surgeons who investigate and manage IIH regularly...
June 14, 2018: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/29902611/meningioma-the-tumor-that-taught-us-neurosurgery
#11
REVIEW
Devi Prasad Patra, Amey Rajan Savardekar, Rimal Hanif Dossani, Vinayak Narayan, Nasser Mohammed, Anil Nanda
The history of neurosurgery is ever fascinating. The journey has been tedious, nevertheless, in the landscape of success and failures we have become more efficient and polished. Skills were learned, innovations were made, and in the process we evolved. The immense contribution of meninigioma surgery in this maturation process is attested by history itself. Countless stories exist in the literature that would testify the momentous role of meningioma in the process of evolution and reformation of neurosurgical techniques...
June 11, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29902607/endoscopy-in-temporal-lobe-glioma-and-metastasis-resection-is-there-a-role
#12
Ruichong Ma, Cheryl A Coulter, Laurent J Livermore, Natalie L Voets, Omar Al Awar, Puneet Plaha
BACKGROUND: Surgical access to the temporal lobe is complex with many eloquent white fiber tracts, requiring careful pre-operative surgical planning. Many microsurgical approaches to the temporal lobes are described, each with their own disadvantages. The adoption of the endoscope in neurosurgery has increased the options available when treating these difficult access tumors. OBJECTIVES: We present our experience of a novel, minimally-invasive, endoscopic approach to resect temporal lobe tumors...
June 11, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29902605/surgical-complications-in-intradural-extramedullary-spinal-cord-tumors-an-acs-nsqip-analysis-of-spinal-cord-level-and-malignancy
#13
Abhiraj D Bhimani, Ankit Indravadan Mehta
BACKGROUND: Intradural extramedullary (IDEM) spinal cord tumors account for two thirds of all intraspinal neoplasms. Surgery for IDEM tumors carries risk for many different complications, which to date have been poorly described and quantified. OBJECTIVE: To better characterize risk factors and complications for IDEM tumors, stratifying by spinal cord level and malignancy. METHODS: The ACS-NSQIP database was queried to determine 30-day outcomes following surgery for IDEM tumors between 2005 and 2016...
June 11, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29901628/3d-printing-of-intracranial-aneurysm-based-on-intracranial-digital-subtraction-angiography-and-its-clinical-application
#14
Jian-Li Wang, Zi-Gang Yuan, Guo-Liang Qian, Wu-Qiao Bao, Guo-Liang Jin
The study aimed to develop simulation models including intracranial aneurysmal and parent vessel geometries, as well as vascular branches, through 3D printing technology. The simulation models focused on the benefits of aneurysmal treatments and clinical education. This prospective study included 13 consecutive patients who suffered from intracranial aneurysms confirmed by digital subtraction angiography (DSA) in the Neurosurgery Department of Shaoxing People's Hospital. The original 3D-DSA image data were extracted through the picture archiving and communication system and imported into Mimics...
June 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29898460/development-of-a-standardized-cranial-phantom-for-training-and-optimization-of-functional-stereotactic-operations
#15
Marie T Krüger, Volker A Coenen, Karl Egger, Mukesch Shah, Peter C Reinacher
BACKGROUND: In recent years, simulations based on phantom models have become increasingly popular in the medical field. In the field of functional and stereotactic neurosurgery, a cranial phantom would be useful to train operative techniques, such as stereo-electroencephalography (SEEG), to establish new methods as well as to develop and modify radiological techniques. In this study, we describe the construction of a cranial phantom and show examples for it in stereotactic and functional neurosurgery and its applicability with different radiological modalities...
June 13, 2018: Stereotactic and Functional Neurosurgery
https://www.readbyqxmd.com/read/29889272/commentary-the-future-currency-of-neurosurgery-is-data
#16
Hakeem J Shakir, Mubeen A Shakir, Ashwini D Sharan, Lola B Chambless, David J Langer, Jason M Davies, Elad I Levy
No abstract text is available yet for this article.
June 8, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29888991/what-interventions-are-performed-in-daily-practice-to-prevent-surgical-site-infections-in-neurosurgical-patients-findings-from-an-explorative-survey
#17
Renzo Moreale, Mara Doretto, Milena Maccherozzi, Rosj Marangone, Massimo Noacco, Alex Paiani, Cristina Razzini, Giulia Rizzi, Alessia Romano, Quinto Sbrizzai, Irene Simeoni, Alvisa Palese
Aim The primary aim of the study was to describe the perioperative care ensured on a daily basis to prevent surgical site infection in Italian neurosurgeries; the secondary aim was to explore surgical site infections 30 days after the surgical procedures. Methods Patients cared for in 16 neurosurgical units who (a) were ≥18 years of age, (b) underwent neurosurgical procedures, and (c) were willing to participate in the study were taken into account. Results A total of 383 patients were included. A preoperative shower was performed in 332 cases (86...
January 1, 2018: Journal of Perioperative Practice
https://www.readbyqxmd.com/read/29888163/utilizing-light-field-imaging-technology-in-neurosurgery
#18
REVIEW
Brian R Chen, Ian A Buchanan, Spencer Kellis, Daniel Kramer, Ifije Ohiorhenuan, Zack Blumenfeld, Dominic J Grisafe Ii, Michael F Barbaro, Angad S Gogia, James Y Lu, Beverly B Chen, Brian Lee
Traditional still cameras can only focus on a single plane for each image while rendering everything outside of that plane out of focus. However, new light-field imaging technology makes it possible to adjust the focus plane after an image has already been captured. This technology allows the viewer to interactively explore an image with objects and anatomy at varying depths and clearly focus on any feature of interest by selecting that location during post-capture viewing. These images with adjustable focus can serve as valuable educational tools for neurosurgical residents...
April 10, 2018: Curēus
https://www.readbyqxmd.com/read/29886671/-sole-angioplasty-with-tiny-balloon-for-high-risk-complex-symptomatic-intracranial-atherosclerotic-stenosis
#19
P Qi, J J Wang, L J Wang, J Lu, S Hu, X M Yang, K P Chen, H F Wang, D M Wang
Objective: To explore the safety and short-term efficacy of sole angioplasty with tiny balloon for symptomatic intracranial atherosclerotic stenosis (ICAS) patients with complex lesions refractory. Methods: Consecutive 11 patients with complex ICAS lesions treated by sole angioplasty with tiny balloon (diameter≤2 mm) from September 2016 to November 2017 at Department of Neurosurgery, Beijing Hospital were retrospectively reviewed. Patients' demographics, lesions characteristics, procedures, complications, and clinical and imaging follow-up data were collected...
June 1, 2018: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/29884596/stereotactic-radiosurgery-for-benign-brain-tumors-results-of-multicenter-benchmark-planning-studies
#20
David J Eaton, Jonathan Lee, Rushil Patel, Antony E Millin, Ian Paddick, Christopher Walker
PURPOSE: Stereotactic radiosurgery (SRS) is strongly indicated for treatment of surgically inaccessible benign brain tumors. Various treatment platforms are available, but few comparisons have included multiple centers. As part of a national commissioning program, benchmark planning cases were completed by all clinical centers in the region. METHODS AND MATERIALS: Four benign cases were provided, with images and structures predelineated, including intracanalicular vestibular schwannoma (VS), larger VS, skull base meningioma, and secreting pituitary adenoma...
February 16, 2018: Practical Radiation Oncology
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