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https://www.readbyqxmd.com/read/29339639/mri-guided-interstitial-laser-ablation-for-intracranial-lesions-a-large-single-institution-experience-of-133-cases
#1
Ashwin A Kamath, Daniel D Friedman, Carl D Hacker, Matthew D Smyth, David D Limbrick, Albert H Kim, Ammar H Hawasli, Eric C Leuthardt
BACKGROUND: Managing difficult-to-access lesions or surgically accessible lesions in fragile patients is a central problem in neurosurgery. MRI-guided interstitial laser ablation (ILA) is a minimally invasive option that may provide a safe means of treating these challenging patients. OBJECTIVE: We aim to (1) evaluate safety, efficacy, and preliminary outcomes within a diverse and large series of ILA treatments; and (2) report technical details and operative trends that proved useful over time in the authors' experience and that may be of use to neurosurgeons who perform ILA...
January 17, 2018: Stereotactic and Functional Neurosurgery
https://www.readbyqxmd.com/read/29338280/variable-skeletal-anatomical-features-of-acromegaly-in-the-skull-and-craniocervical-junction
#2
Maria Piagkou, Othon Manolakos, Theodore Troupis, Nikolaos Lazaridis, Konstantinos Laios, Alexandros Samolis, Konstantinos Natsis
OBJECTIVE: This study adds important information regarding the morphological alterations caused by growth hormone hypersecretion in the skull and craniocervical junction (CCJ). A variably asymmetric skull due to acromegaly coexists with expansion of the paranasal sinuses and multiple Wormian bones. CASE REPORT: A pathologically asymmetric dry skull of a European male, aged 38 years at death, with cranial vault and skull base thickening is described. The extensive paranasal sinus pneumatization caused a generalized thinning of the bony walls...
November 2017: Acta Medica Academica
https://www.readbyqxmd.com/read/29337170/virtual-cerebral-aneurysm-clipping-with-real-time-haptic-force-feedback-in-neurosurgical-education
#3
Matthias Gmeiner, Johannes Dirnberger, Wolfgang Fenz, Maria Gollwitzer, Gabriele Wurm, Johannes Trenkler, Andreas Gruber
OBJECTIVE: Realistic, safe and efficient modalities for simulation-based training are highly warranted to enhance the quality of surgical education and should be incorporated in resident training. The aim of this study was to develop a patient-specific virtual cerebral aneurysm-clipping simulator with haptic force-feedback and real-time deformation of the aneurysm and vessels. METHODS: A prototype simulator was developed from 2012-2016. Evaluation of virtual clipping by blood flow simulation was integrated in this software and the prototype was evaluated by 18 neurosurgeons...
January 11, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29334259/development-of-three-dimensional-brain-arteriovenous-malformation-model-for-patient-communication-and-young-neurosurgeon-education
#4
Mengqi Dong, Guangzhong Chen, Kun Qin, Xiaowen Ding, Dong Zhou, Chao Peng, Shaojian Zeng, Xianming Deng
PURPOSE: Rapid prototyping technology is used to fabricate three-dimensional (3D) brain arteriovenous malformation (AVM) models and facilitate presurgical patient communication and medical education for young surgeons. METHODS: Two intracranial AVM cases were selected for this study. Using 3D CT angiography or 3D rotational angiography images, the brain AVM models were reconstructed on personal computer and the rapid prototyping process was completed using a 3D printer...
January 15, 2018: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/29332082/frameless-functional-stereotactic-approaches
#5
Viktoras Palys, Kathryn L Holloway
The stereotactic frame has served as the gold standard apparatus for accurate and precise targeting of deep brain structures since 1947. Despite passing the test of time, the stereotactic frame has several limitations from the perspective of both neurosurgeons and patients. Therefore, there was a need to develop a frameless system that had equivalent accuracy and reliability to the frame. This need was met with 3 commercially available frameless stereotactic systems designed specifically for deep brain stimulation surgery: Nexframe, STarFix, and ClearPoint...
2018: Progress in Neurological Surgery
https://www.readbyqxmd.com/read/29332077/stereotactic-radiofrequency-lesioning-for-movement-disorders
#6
Takaomi Taira, Shiro Horisawa, Nobuhiko Takeda, Prajakta Ghate
During the past 2 decades, deep brain stimulation (DBS) took over the position of radiofrequency (RF) lesioning of thalamic or pallidal targets for control of movement disorders. Superiority of DBS over RF lesioning is widely accepted, and most neurosurgeons even regard RF lesioning to be old-fashioned and dangerous. Such concepts emerged from the data of old stereotactic operations with ventriculography and without computerized planning. Hardware-related complications are not negligible in long-term DBS therapy, and DBS only controls the symptoms...
2018: Progress in Neurological Surgery
https://www.readbyqxmd.com/read/29332069/the-history-of-movement-disorder-brain-surgery
#7
L Dade Lunsford, Ajay Niranjan
The first surgical procedures for abnormal movement disorders began in the 1930s, when surgeons first proposed ablative techniques of the caudate nucleus or transection of motor (pyramidal) pathways to reduce involuntary movements in patients with Parkinson's related tremor. During the 50-year interval between 1945 and 1995, the development of precise intracranial guiding devices, brain maps, and advanced imaging led to the refinement of appropriate deep brain targets affecting extrapyramidal pathways. Lesional surgery and subsequent neuroaugmentation using deep brain stimulation extended the role of deep brain surgery for a wider group of patients with tremor, rigidity, dyskinesia, and other involuntary movement disorders...
2018: Progress in Neurological Surgery
https://www.readbyqxmd.com/read/29330658/patient-specific-model-based-segmentation-of-brain-tumors-in-3d-intraoperative-ultrasound-images
#8
Elisee Ilunga-Mbuyamba, Juan Gabriel Avina-Cervantes, Dirk Lindner, Felix Arlt, Jean Fulbert Ituna-Yudonago, Claire Chalopin
PURPOSE: Intraoperative ultrasound (iUS) imaging is commonly used to support brain tumor operation. The tumor segmentation in the iUS images is a difficult task and still under improvement because of the low signal-to-noise ratio. The success of automatic methods is also limited due to the high noise sensibility. Therefore, an alternative brain tumor segmentation method in 3D-iUS data using a tumor model obtained from magnetic resonance (MR) data for local MR-iUS registration is presented in this paper...
January 12, 2018: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/29327972/albert-dereymaeker-and-joseph-cyriel-mulier-s-description-of-anterior-cervical-discectomy-with-fusion-in-1955
#9
Ronald H M A Bartels, Jan Goffin
Anterior cervical discectomy with fusion (ACDF) is a very well-known and often-performed procedure in the practice of spine surgeons. The earliest descriptions of the technique have always been attributed to Cloward, Smith, and Robinson. However, in the French literature, this procedure was also described by others during the exact same time period (in the 1950s). At a meeting in Paris in 1955, Belgians Albert Dereymaeker and Joseph Cyriel Mulier, a neurosurgeon and an orthopedic surgeon, respectively, described the technique that involved an anterior cervical discectomy and the placement of an iliac crest graft in the intervertebral disc space...
January 12, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29325962/systematic-review-of-factors-influencing-surgical-performance-practical-recommendations-for-microsurgical-procedures-in-neurosurgery
#10
Evgenii Belykh, Naomi R Onaka, Iraklii T Abramov, Kaan Yağmurlu, Vadim A Byvaltsev, Robert F Spetzler, Peter Nakaji, Mark C Preul
BACKGROUND: Microneurosurgical techniques involve complex manual skills and hand-eye coordination that require substantial training. Many factors affect microneurosurgical skills. The goal of this study was to use a systematic evidence-based approach to analyze the quality of evidence for intrinsic and extrinsic factors that influence microneurosurgical performance and to make weighted practical recommendations. MATERIALS AND METHODS: A literature search of factors that may impact microsurgical performance was conducted using PubMed and Embase...
January 8, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29325943/neurosurgical-care-availability-and-access-in-low-and-middle-income-countries
#11
Maria Punchak, Swagoto Mukhopadhyay, Sonal Sachdev, Ya-Ching Hung, Sophie Peeters, Abbas Rattani, Michael Dewan, Walter D Johnson, Kee B Park
BACKGROUND: An estimated 5 billion people worldwide lack access to basic surgical care. In particular, the vast majority of low- and middle-income countries (LMICs) currently struggle to provide adequate neurosurgical services. Significant barriers exist, including limited access to trained medical, nursing and allied health staff, lack of equipment, and availability of services at reasonable distance and at reasonable cost to patients. An accurate assessment of current neurosurgical capacity in LIMCs is an essential first step in tackling this deficit...
January 8, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29325137/review-of-neurosurgery-medical-professional-liability-claims-in-the-united-states
#12
Aladine A Elsamadicy, Amanda R Sergesketter, Michael D Frakes, Shivanand P Lad
BACKGROUND: Due to disparaging costs and rates of malpractice claims in neurosurgery, there has been significant interest in identifying high-risk specialties, types of malpractice claims, and characteristics of claim-prone physicians. OBJECTIVE: To characterize the malpractice claims against neurosurgeons. METHODS: This was a comprehensive analysis of all malpractice liability claims involving a neurosurgeon as the primary defendant, conducted using the Physician Insurers Association of America Data Sharing Project from January 1, 2003 and December 31, 2012...
January 8, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29322267/association-of-decision-making-in-spinal-surgery-with-specialty-and-emotional-involvement-the-indications-in-spinal-surgery-indiana-survey
#13
Nico Sollmann, Carmen Morandell, Lucia Albers, Michael Behr, Alexander Preuss, Andreas Dinkel, Bernhard Meyer, Sandro M Krieg
BACKGROUND: Although recent trials provided level I evidence for the most common degenerative lumbar spinal disorders, treatment still varies widely. Thus, the Indications in Spinal Surgery (INDIANA) survey explores whether decision-making is influenced by specialty or personal emotional involvement of the treating specialist. METHOD: Nationwide, neurosurgeons and orthopedic surgeons specialized in spine surgery were asked to answer an Internet-based questionnaire with typical clinical patient cases of lumbar disc herniation (DH), lumbar spinal stenosis (SS), and lumbar degenerative spondylolisthesis (SL)...
January 10, 2018: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29321713/two-branches-of-the-same-tree-a-brief-history-of-turkish-neuropsychiatric-society-1914-2016
#14
Fatih Artvinli, Şahap Erkoç, Fulya Kardeş
Introduction: The aim of this article is to provide a brief history of Turkish Neuropsychiatric Society by examining its institutional background, the milestones within its history, and the major activities undertaken by the organization during the years. Methods: Firstly, the books, journals, and articles that are related to the history of psychiatry and neurology in Turkey have been reviewed and the information that can explain the history of the society has been brought together...
December 2017: Noro Psikiyatri Arsivi
https://www.readbyqxmd.com/read/29313100/burr-hole-trepanation-for-chronic-subdural-hematomas-is-surgical-education-safe
#15
Nicolai Maldaner, Marketa Sosnova, Johannes Sarnthein, Oliver Bozinov, Luca Regli, Martin N Stienen
BACKGROUND: There is a paucity of data concerning the safety and efficacy of surgical education for neurosurgical residents in the evacuation of chronic subdural hematomas (cSDH) by burr hole trepanation. METHODS: This is a retrospective analysis of prospectively collected data on consecutive patients receiving burr hole trepanation for uni- or bilateral cSDH. Patients operated by a supervised neurosurgery resident (teaching cases) were compared to patients operated by a board-certified faculty neurosurgeon (BCFN; non-teaching cases)...
January 8, 2018: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29305756/on-aneurysmal-rupture-and-rerupture
#16
Eelco F M Wijdicks
A warning leak is a curious phenomenon attributed to cerebral aneurysms. Once the leak occurs, it has been postulated it could lead to a more catastrophic rebleeding. The designation "warning leak" trickled into neurosurgery vocabulary as early as the 1950s. The phenomenon has been poorly understood and characterized, but its presence spurs emergency physicians and neurointensivists to take action to secure the aneurysm. Rapid treatment of a recently discovered aneurysm is now commonplace, but it has not always been so...
January 5, 2018: Neurocritical Care
https://www.readbyqxmd.com/read/29304919/cranial-tumor-surgical-outcomes-at-a-high-volume-academic-referral-center
#17
Desmond A Brown, Benjamin T Himes, Brittny T Major, Benjamin F Mundell, Ravi Kumar, Bruce Kall, Fredric B Meyer, Michael J Link, Bruce E Pollock, John D Atkinson, Jamie J Van Gompel, W Richard Marsh, Giuseppe Lanzino, Mohamad Bydon, Ian F Parney
OBJECTIVE: To determine adverse event rates for adult cranial neuro-oncologic surgeries performed at a high-volume quaternary academic center and assess the impact of resident participation on perioperative complication rates. PATIENTS AND METHODS: All adult patients undergoing neurosurgical intervention for an intracranial neoplastic lesion between January 1, 2009, and December 31, 2013, were included. Cases were categorized as biopsy, extra-axial/skull base, intra-axial, or transsphenoidal...
January 2018: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/29303458/complications-following-intracranial-pressure-monitoring-in-children-a-6-year-single-center-experience
#18
Ruichong Ma, David Rowland, Andrew Judge, Amedeo Calisto, Jayaratnam Jayamohan, David Johnson, Peter Richards, Shailendra Magdum, Steven Wall
OBJECTIVE Intracranial pressure (ICP) monitoring is an important tool in the neurosurgeon's armamentarium and is used for a wide range of indications. There are many different ICP monitors available, of which fiber-optic intraparenchymal devices are very popular. Here, the authors document their experience performing ICP monitoring from 2005 to 2015 and specifically complication rates following insertion of the Microsensor ICP monitor. METHODS A retrospective case series review of all patients who underwent ICP monitoring over a 10-year period from 2005 to 2015 was performed...
January 5, 2018: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29303441/a-cross-sectional-study-of-neurosurgical-department-chairs-in-the-united-states
#19
Patrick M Flanigan, Arman Jahangiri, Joshua L Golubovsky, Jaret M Karnuta, Francis J May, Mitchel S Berger, Manish K Aghi
OBJECTIVE The position of neurosurgery department chair undergoes constant evolution as the health care landscape changes. The authors' aim in this paper was to characterize career attributes of neurosurgery department chairs in order to define temporal trends in qualities being sought in neurosurgical leaders. Specifically, they investigated the hypothesis that increased qualifications in the form of additional advanced degrees and research acumen are becoming more common in recently hired chairs, possibly related to the increased complexity of their role...
January 5, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29301175/whole-spine-disc-degeneration-survey-according-to-the-ages-and-sex-using-pfirrmann-disc-degeneration-grades
#20
Chang Hyun Oh, Seung Hwan Yoon
OBJECTIVE: Pfirrmann disc grade is a useful scoring tool for evaluating disc degeneration, but normal values according to aging process has not been elucidated. This study was conducted to identify the prevalence and pattern of whole spine disc degeneration according to ages and gender differences. METHODS: Total 653 patients (336 male and 317 female patients, 48.1±58.7 years old) who took whole spine magnetic resonance images were enrolled in this study. There were 19 cases in their 2nd decades and 74 cases in 3rd decades, 141 cases in 4th decades, 129 cases in 5th decades, 139 cases in 6th decades, and 93 cases in 7th decades, 58 cases in over 8th decades...
December 2017: Korean Journal of Spine
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