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Neurosurgical Approach

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https://www.readbyqxmd.com/read/28331887/android-application-for-determining-surgical-variables-in-brain-tumor-resection-procedures
#1
Rohan C Vijayan, Reid C Thompson, Lola B Chambless, Peter J Morone, Le He, Logan W Clements, Rebekah H Griesenauer, Hakmook Kang, Michael I Miga
The fidelity of image-guided neurosurgical procedures is often compromised due to the mechanical deformations that occur during surgery. In recent work, a framework was developed to predict the extent of this brain shift in brain-tumor resection procedures. The approach uses preoperatively determined surgical variables to predict brain shift and then subsequently corrects the patient's preoperative image volume to more closely match the intraoperative state of the patient's brain. However, a clinical workflow difficulty with the execution of this framework is the preoperative acquisition of surgical variables...
January 2017: Journal of Medical Imaging
https://www.readbyqxmd.com/read/28325456/minimally-invasive-surgical-approaches-for-chronic-subdural-hematomas
#2
REVIEW
Ian A Buchanan, William J Mack
Chronic subdural hematomas are one of the most common clinical entities encountered in today's neurosurgical practices owing to an aging population and continued increases in life expectancy. Although there is a role for conservative management, surgical drainage remains the mainstay of current therapy. Regardless of the technique used for hematoma drainage, there is level I evidence to suggest that use of closed-system drainage during the perioperative period significantly decreases the likelihood for hematoma recurrence, length of hospital stay, and mortality...
April 2017: Neurosurgery Clinics of North America
https://www.readbyqxmd.com/read/28314403/management-of-cavernous-sinus-involvement-in-sinonasal-and-ventral-skull-base-malignancies
#3
REVIEW
Amol Raheja, William T Couldwell
Cavernous sinus (CS) involvement by sinonasal and ventral skull base malignancies is infrequently encountered in neurosurgical practice. Despite advancements in skull base microneurosurgery and endoscopic techniques, detailed knowledge and experience of the surgical management of these lesions are limited. This article elaborates on surgical strategies and approaches for CS involvement of malignant ventral skull base tumors. The article discusses the indications, techniques, nuances, advantages, limitations, and complications of minimally invasive CS biopsy, transcranial microscopic, and transfacial endoscopic approaches to the CS using illustrative diagrams and operative videos...
April 2017: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/28306420/ventriculo-ureteral-shunt-insertion-using-percutaneous-nephrostomy-a-novel-minimally-invasive-option-in-a-patient-with-chronic-hydrocephalus-complicated-by-multiple-distal-ventriculoperitoneal-shunt-failures
#4
Ashok Pillai, Georgie Mathew, Sivasankaran Nachimuthu, Sanjeevan Vasudevan Kalavampara
The management of ventriculoperitoneal (VP) shunt failure is a common problem in neurosurgical practice. On occasion, extraperitoneal sites for CSF diversion are required when shunting to the peritoneal cavity has failed after multiple attempts. The authors report a novel minimally invasive procedure allowing cannulation of the ureter for the purpose of ventriculo-ureteral (VU) shunting. Sixteen years prior to presentation, this 46-year-old woman had contracted tuberculous meningitis and had chronic hydrocephalus, with multiple distal shunt failures in recent months...
March 17, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28303207/management-strategies-for-neoplastic-and-vascular-brain-lesions-presenting-during-pregnancy-a-series-of-29-patients
#5
Celestino Esteves Pereira, Jose Carlos Lynch
BACKGROUND: The occurrence of a brain tumor or intracranial vascular lesion during pregnancy is a rare event, but when it happens, it jeopardizes the lives of both the mother and infant. It also creates challenges of a neurosurgical, obstetric, and ethical nature. A multidisciplinary approach should be used for their care. METHODS: Between 1986 and 2015, 12 pregnant women diagnosed with brain tumors and 17 women with intracranial vascular lesion underwent treatment at the Neurosurgery Department of the Servidores do Estado Hospital and Rede D'Or/São Luis...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28299248/a-previously-unreported-arterial-variant-of-the-suboccipital-region-based-on-cadaveric-dissection
#6
Christian Fisahn, Brittni Burgess, Joe Iwanaga, Fernando Alonso, Jens R Chapman, Rod J Oskouian, R Shane Tubbs
Introduction Several arterial variants have been reported to occur around the posterior arch of the atlas. Understanding the various anomalies and diagnosing them preoperatively can dramatically reduce the risk of surgical insult during neurosurgical procedures. Herein we report a case of an arterial variant found just below the posterior arch of C1. Case Report During the routine dissection of the suboccipital region via a posterior approach, an unusual bulge was identified just inferior to the inferior capitis oblique muscle...
January 2017: Journal of Neurological Surgery Reports
https://www.readbyqxmd.com/read/28292695/neurosurgical-relevance-of-the-dissection-of-the-diencephalic-white-matter-tracts-using-the-klingler-technique
#7
Susana M Silva, Diogo Cunha-Cabral, José Paulo Andrade
OBJECTIVE: The Klingler fiber dissection technique is a relevant and reliable method for neurosurgery to identify with accuracy the fine structure of the brain anatomy highlighting white matter tracts. In order to demonstrate the significance of the application of this technique, we aimed to observe the course and relations of the mammillothalamic and habenulo-interpeduncular tracts as there are very few papers showing these important diencephalic tracts. MATERIAL AND METHODS: Twelve formalin-fixed brains were dissected using the Klingler technique in order to expose the medial diencephalic surface...
March 2, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28291217/-early-postoperative-results-of-surgical-treatment-of-patients-with-anterior-clinoidal-meningiomas
#8
S V Chernov, D A Rzaev, A V Kalinovsky, A B Dmitriev, A R Kasymov, A V Zotov, E V Gormolysova, E K Uzhakova
Resection of anterior clinoidal meningiomas is a challenging task due to their localization, frequent involvement of the major cerebral arteries and cranial nerves, a high risk of postoperative neurological deficits, and low radicalness of surgery. AIM: To evaluate the radicalness of microsurgical removal and a neurological deficit in the early postoperative period in patients with anterior clinoidal meningiomas. MATERIAL AND METHODS: A total of 35 patients with anterior clinoidal meningiomas underwent surgery at the Department of Neurooncology of the Novosibirsk Federal Neurosurgical Center in the period from 2013 to July 2016...
2017: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/28290395/indian-society-of-neuro-oncology-consensus-guidelines-for-the-contemporary-management-of-medulloblastoma
#9
Tejpal Gupta, Chitra Sarkar, Vedantam Rajshekhar, Sandip Chatterjee, Neelam Shirsat, Dattatreya Muzumdar, Sona Pungavkar, Girish Chinnaswamy, Rakesh Jalali
INTRODUCTION: The high success rate in the management medulloblastoma achieved in the western world is not exactly mirrored in developing countries including India. Socio-demographic differences, health-care disparity, and lack in uniformity of care with resultant widespread variations in the clinical practice are some of the reasons that may partly explain this difference in outcomes. Patients with medulloblastoma require a multi-disciplinary team approach involving but not limited to neuro-radiology, neurosurgery; neuropathology, molecular biology, radiation oncology, pediatric medical oncology and rehabilitative services for optimizing outcomes...
March 2017: Neurology India
https://www.readbyqxmd.com/read/28289766/-complications-and-monitoring-standards-after-elective-craniotomy-in-germany
#10
C Henker, C Schmelter, J Piek
BACKGROUND: The increasing endeavors to make inpatient treatment processes more effective leads to a reduction of the length of stay in hospital and minimization of postoperative monitoring. Therefore, the aim of our study was to determine potential postoperative complications for neurosurgical patients undergoing elective surgery with respect to assessment of the relevance for intensive medical care. Furthermore, our approach was compared with the standard of postoperative care of such patients in Germany...
March 13, 2017: Der Anaesthesist
https://www.readbyqxmd.com/read/28284112/prognosis-of-pituitary-adenomas-in-the-early-1970s-and-today-is-there-a-benefit-of-modern-surgical-techniques-and-treatment-modalities
#11
Stefan Linsler, Friedericke Quack, Karsten Schwerdtfeger, Joachim Oertel
OBJECTIVE: Neurosurgical techniques for the treatment of sellar pathologies have been evolving continuously over the last decades. Additionally to the innovation of approaches and surgical techniques, this progress yielded to the application of modern intraoperative surgical tools as well as peri- and intraoperative imaging. Until now, no long-term analysis of the impact of new therapy concepts on the patient's outcome exists. Aim of this study was to analyse the impact of new operative approaches on perioperative mortality and morbidity as well as the long-term outcome after pituitary surgery...
March 2, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28269578/a-comparative-study-of-approaches-to-compute-the-field-distribution-of-deep-brain-stimulation-in-the-hemiparkinson-rat-model
#12
Andrea Bohme, Ursula van Rienen
Computational modeling of the stimulating field distribution during Deep Brain Stimulation provides an opportunity to advance our knowledge of this neurosurgical therapy for Parkinson's disease. There exist several approaches to model the target region for Deep Brain Stimulation in Hemi-parkinson Rats with volume conductor models. We have described and compared the normalized mapping approach as well as the modeling with three-dimensional structures, which include curvilinear coordinates to assure an anatomically realistic conductivity tensor orientation...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28254603/outcome-of-radical-surgical-resection-for-craniopharyngioma-with-hypothalamic-preservation-a-single-center-retrospective-study-of-1054-patients
#13
Xiang'en Shi, Zhongqing Zhou, Bin Wu, Yongli Zhang, Hai Qian, Yuming Sun, Yang Yang, Zaitao Yu, Zhiwei Tang, Shuaibin Lu
OBJECTIVE: A retrospective review of the surgical outcome for patients with craniopharyngioma (CP) treated in a single neurosurgical center with surgical resection using visualization to ensure hypothalamic preservation. METHODS: The study included 1054 patients. Prior to 2003, a pterional cranial approach was preferred for 78% of patients; after 2004, the unifrontal basal interhemispheric approach (UBIA) was performed in 79.1% of patients. RESULTS: Complete tumor resection was achieved in 89...
February 27, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28249306/mini-craniotomy-under-local-anesthesia-to-treat-acute-subdural-hematoma-in-deteriorating-elderly-patients
#14
Alessandro Di Rienzo, Maurizio Iacoangeli, Lorenzo Alvaro, Roberto Colasanti, Lucia Giovanna Maria Di Somma, Niccolo Nocchi, Maurizio Gladi, Massimo Scerrati
Background and Study Aims Surgical treatment for acute subdural hematomas (ASDHs) in elderly patients is still considered unsatisfactory. Series focusing on the use of conventional craniotomy or decompressive craniectomy in such patients report discouraging results. Glasgow Coma Scale (GCS) score at admission seems to be crucial in the decision-making process. Deteriorating patients with a GCS score between 9 and 11 are those who would benefit most from the surgical treatment. Unfortunately, elderly patients often present other comorbidities that greatly increase the risk of severe complications after major neurosurgical procedures under general anesthesia...
March 1, 2017: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/28242489/neurosurgery-and-music-the-effect-of-wolfgang-amadeus-mozart
#15
Elena Romana Gasenzer, Ayhan Kanat, Edmund Neugebauer
BACKGROUND: The nervous system works like a great orchestra. Specially the music of Mozart with its´ "Mozart´s effect" is appropriate to use in neurosurgery. The paper investigates the relationship between music and neurosurgery, Mozart´s music in neurosurgical practice. MATERIAL AND METHODS: We used digital catalogues like "pubmed" as well as the libraries of universities. Key words were "Wolfgang Amadeus Mozart", "neurosurgery and music". RESULTS: At the first half of 20 century, neurosurgical approach of some musicians have resulted with fatal outcome such as Maurice Ravel, Josef Hassid,George Gershwin...
February 24, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28227833/a-comparative-study-of-approaches-to-compute-the-field-distribution-of-deep-brain-stimulation-in-the-hemiparkinson-rat-model
#16
Andrea Bohme, Ursula van Rienen, Andrea Bohme, Ursula van Rienen, Ursula Van Rienen, Andrea Bohme
Computational modeling of the stimulating field distribution during Deep Brain Stimulation provides an opportunity to advance our knowledge of this neurosurgical therapy for Parkinson's disease. There exist several approaches to model the target region for Deep Brain Stimulation in Hemi-parkinson Rats with volume conductor models. We have described and compared the normalized mapping approach as well as the modeling with three-dimensional structures, which include curvilinear coordinates to assure an anatomically realistic conductivity tensor orientation...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225467/comparison-of-anesthetic-management-and-outcomes-in-patients-having-either-transnasal-or-transoral-endoscopic-odontoid-process-surgery
#17
Matthew A Sexton, Arnoley S Abcejo, Jeffrey J Pasternak
BACKGROUND: Endoscopic neurosurgical procedures involving the upper cervical vertebrae are challenging due to a narrow operating field and close proximity to vital anatomical structures. Historically, transoropharyngeal (transoral) endoscopy has been the preferred approach. More recently, however, an endoscopic transnasal approach was developed as an alternative method in hopes to reduce postoperative dysphagia, a common complication following transoral neurosurgery. METHODS: Twenty-two endoscopic neurosurgical cases involving the odontoid or C1 vertebra were reviewed between January 1, 2005 and December 31, 2015 (17 and 5 through transoral and transnasal approaches, respectively)...
February 20, 2017: Journal of Neurosurgical Anesthesiology
https://www.readbyqxmd.com/read/28197790/surgical-treatment-of-anterior-cranial-fossa-dural-arterio-venous-fistulas-davfs-a-two-centre-experience
#18
Pietro Meneghelli, Alberto Pasqualin, Luigi Andrea Lanterna, Claudio Bernucci, Roberto Spinelli, Gianluigi Dorelli, Piergiuseppe Zampieri
BACKGROUND: Anterior cranial fossa dural arterio-venous fistulas (DAVFs) represent 6% of all intracranial DAVFs; characteristically they show an aggressive behaviour with high risk of intracranial haemorrhage. Peculiar anatomical features, such as feeding by the ethmoidal arteries and the pattern of venous drainage (frequently with varices that mimic aneurysmal dilatation), can be evaluated in detail only by digital subtraction angiography (DSA), which represents the "gold standard" in the diagnosis of such cranial fistulas...
February 14, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28191601/the-maxillary-artery-and-its-variants-an-anatomical-study-with-neurosurgical-applications
#19
Jorge E Alvernia, Joaquin Hidalgo, Marc P Sindou, Chad Washington, Gustavo Luzardo, Eddie Perkins, Remi Nader, Patrick Mertens
BACKGROUND: The maxillary artery (MA) has gained attention in neurosurgery particularly in cerebral revascularization techniques, intracranial endonasal approaches and endovascular procedures. OBJECTIVES: To describe and illustrate the anatomy of the MA and its neurosurgical importance in a detailed manner. METHODS: Six cadaveric heads (12 MAs) were injected with latex. The arteries and surrounding structures were dissected and studied using microsurgical techniques...
February 13, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28187810/management-of-infections-associated-with-neurocritical-care
#20
REVIEW
L Rivera-Lara, W Ziai, P Nyquist
The reported incidence of hospital-acquired infections (HAIs) in the neurointensive care unit (NICU) ranges from 20% to 30%. HAIs in US hospitals cost between $28 and $45 billion per year in direct medical costs. These infections are associated with increased length of hospital stay and increased morbidity and mortality. Infection risk is increased in NICU patients due to medication side-effects, catheter and line placement, neurosurgical procedures, and acquired immune suppression secondary to steroid/barbiturate use and brain injury itself...
2017: Handbook of Clinical Neurology
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