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Neurosurgery technique

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https://www.readbyqxmd.com/read/29438792/the-first-neurosurgery-boot-camp-in-southeast-asia-evaluating-impact-on-knowledge-and-regional-collaboration-in-yangon-myanmar
#1
Jack Rock, Roberta Glick, Isabelle M Germano, Robert Dempsey, John Zervos, Tyler Prentiss, Matthew Davis, Ernest Wright, Kyi Hlaing, Myat Thu, Zaw Wai Soe, Win Myaing
BACKGROUND: For the first time in Southeast Asia, a Fundamentals of Neurosurgery Boot Camp was held at the University of Medicine 1 in Yangon, Myanmar, February 24-26, 2017. The aim of this course was to teach and train fundamental skills to neurosurgery residents. METHODS: The Myanmar Neurosurgical Society, the Foundation for International Education in Neurosurgery, the Society for Neurological Surgeons, The University of Medicine 1 in Yangon, Myanmar and the Henry Ford Department of Neurosurgery developed a two-day resident training course...
February 10, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29429648/the-usefulness-of-fibrin-glue-as-a-support-in-the-dissection-of-malignant-cystic-brain-tumors
#2
J Todeschi, Y Pin, F Lersy, F Séverac, I Ollivier, S Kremer, F Proust, H Cebula
BACKGROUND: If the complete microsurgical resection of a brain tumor is a logical oncologic goal, the surgical strategy for the cystic component remains controversial secondary to the risk of morbidity. The objective of this study was to analyze the interest of using fibrin glue in the resection of malignant cystic brain tumors (MCBT). METHODS: Seven patients (median: 60-years-old (range [52-72]/sex ratio M/F: 2.5) were analyzed prospectively in the Neurosurgery Department at Strasbourg University Hospital, from October 2014 to November 2016...
February 8, 2018: Neuro-Chirurgie
https://www.readbyqxmd.com/read/29415505/in-vivo-evaluation-of-cerebral-hemodynamics-and-tissue-morphology-in-rats-during-changing-fraction-of-inspired-oxygen-based-on-spectrocolorimetric-imaging-technique
#3
Afrina Mustari, Takuya Kanie, Satoko Kawauchi, Shunichi Sato, Manabu Sato, Yasuaki Kokubo, Izumi Nishidate
During surgical treatment for cerebrovascular diseases, cortical hemodynamics are often controlled by bypass graft surgery, temporary occlusion of arteries, and surgical removal of veins. Since the brain is vulnerable to hypoxemia and ischemia, interruption of cerebral blood flow reduces the oxygen supply to tissues and induces irreversible damage to cells and tissues. Monitoring of cerebral hemodynamics and alteration of cellular structure during neurosurgery is thus crucial. Sequential recordings of red-green-blue (RGB) images of in vivo exposed rat brains were made during hyperoxia, normoxia, hypoxia, and anoxia...
February 6, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29410169/telemedicine-for-neurotrauma-in-albania-initial-results-from-a-case-series-of-146-patients
#4
Rifat Latifi, Fatos Olldashi, Agron Dogjani, Erion Dasho, Arian Boci, Ayman El-Menyar
BACKGROUND: Use of telemedicine for neurotrauma when performed by neurosurgeons is an innovative care option for traumatic brain injury (TBI) patients, particularly in countries with limited neurosurgery expertise resources. In recent years, Albania has developed a robust telemedicine program and teleneurotrauma is the flagship of the program. We aimed to evaluate the outcomes of the first neurotrauma patients managed via telemedicine in Albania. METHODS: A retrospective analysis of prospectively collected data on all telemedicine consultations for isolated neurotrauma was performed from 2014 through 2016...
February 1, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29404252/endoscopic-transsphenoidal-resection-of-craniopharyngioma
#5
Kong Yew Liew, Prepageran Narayanan, Vicknes Waran
Objectives  To demonstrate, step-by-step, the technique and efficacy of endoscopic transsphenoidal approach in resection of a suprasellar craniopharyngioma. Design  The video shows a step-by-step approach to the resection, covering the exposure, access, resection, and confirmation of resection and reconstruction. Setting  The surgery was performed in the University of Malaya Medical Centre, a tertiary referral center in the capital of Malaysia. Participants  Surgery was performed jointly by Professor Prepageran from the department of otorhinolaryngology and Professor Vicknes Waran from the division of neurosurgery...
February 2018: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29404249/extended-endoscopic-endonasal-approach-for-suprasellar-craniopharyngioma
#6
D Locatelli, F Pozzi, G Agresta, S Padovan, A Karligkiotis, P Castelnuovo
Objectives  We illustrate a suprasellar craniopharyngiomas treated with an extended endoscopic endonasal approach (EEEA). Design  Case report of a 43-year-old male affected by cerebral lesion located in suprasellar region involving the third ventricle and compressing the neurovascular structures, causing an anterosuperior dislocation of the chiasma. There is a complete disruption of the pituitary stalk that can explain the clinical finding of partial anterior hypopituitarism and hyperprolactinemia. The lesion is characterized by a solid and cystic component...
February 2018: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29398192/red-man-syndrome-caused-by-vancomycin-powder
#7
Yasunori Nagahama, Marta J VanBeek, Jeremy D W Greenlee
Red man syndrome (RMS) is a well-known hypersensitivity reaction caused by intravenous administration of vancomycin, with symptoms ranging from flushing, erythematous rash, pruritus, mild to profound hypotension, and even cardiac arrest. RMS has not previously been described from local application of vancomycin powder in a surgical wound, a technique increasingly utilized for infection prophylaxis in many surgical disciplines including neurosurgery. We describe the first reported case of RMS as a result of local intra-wound application of vancomycin powder for infection prophylaxis...
February 1, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29397378/intraoperative-optical-imaging-of-metabolic-changes-after-direct-cortical-stimulation-a-clinical-tool-for-guidance-during-tumor-resection
#8
Martin Oelschlägel, Tobias Meyer, Gabriele Schackert, Matthias Kirsch, Stephan B Sobottka, Ute Morgenstern
Brain tumor resection is even today one of the most challenging disciplines in neurosurgery. The current state of the art for the identification of tumor tissue during the surgical procedure comprises a wide variety of different tools, each with its own limitations and drawbacks. In this paper, we present a novel approach, the use of optical imaging in connection with direct electrical cortical stimulation (DCS), for identification of impaired tumor tissue and functional intact normal brain tissue under intraoperative conditions...
February 5, 2018: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/29393756/the-microneurosurgical-anatomy-legacy-of-albert-l-rhoton-jr-md-an-analysis-of-transition-and-evolution-over-50-years
#9
Toshio Matsushima, Ken Matsushima, Shigeaki Kobayashi, J Richard Lister, Jacques J Morcos
Dr. Albert L. Rhoton Jr. was a pioneer of the study of microneurosurgical anatomy. Championing this field over the past half century, he produced more than 500 publications. In this paper, the authors review his body of work, focusing on approximately 160 original articles authored by Rhoton and his microneuroanatomy fellows. The articles are categorized chronologically into 5 stages: 1) dawn of microneurosurgical anatomy, 2) study of basic anatomy for general neurosurgery, 3) study for skull base surgery, 4) study of the internal structures of the brain by fiber dissection, and 5) surgical anatomy dealing with new advanced surgical approaches...
February 2, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29385919/focused-ultrasound-in-neurosurgery-a-historical-perspective
#10
Maya Harary, David J Segar, Kevin T Huang, Ian J Tafel, Pablo A Valdes, G Rees Cosgrove
Focused ultrasound (FUS) has been under investigation for neurosurgical applications since the 1940s. Early experiments demonstrated ultrasound as an effective tool for the creation of intracranial lesions; however, they were limited by the need for craniotomy to avoid trajectory damage and wave distortion by the skull, and they also lacked effective techniques for monitoring. Since then, the development and hemispheric distribution of phased arrays has resolved the issue of the skull and allowed for a completely transcranial procedure...
February 2018: Neurosurgical Focus
https://www.readbyqxmd.com/read/29385917/a-meta-analysis-of-outcomes-and-complications-of-magnetic-resonance-guided-focused-ultrasound-in-the-treatment-of-essential-tremor
#11
Nasser Mohammed, Devi Patra, Anil Nanda
OBJECTIVE Magnetic resonance-guided focused ultrasound (MRgFUS) is a novel technique that uses high-intensity focused ultrasound to achieve target ablation. Like a lens focusing the sun's rays, the ultrasound waves are focused to generate heat. This therapy combines the noninvasiveness of Gamma Knife thalamotomy and the real-time ablation of deep brain stimulation with acceptable complication rates. The aim of this study was to analyze the overall outcomes and complications of MRgFUS in the treatment of essential tremor (ET)...
February 2018: Neurosurgical Focus
https://www.readbyqxmd.com/read/29382119/the-emerging-role-of-tractography-in-deep-brain-stimulation-basic-principles-and-current-applications
#12
REVIEW
Nelson B Rodrigues, Karim Mithani, Ying Meng, Nir Lipsman, Clement Hamani
Diffusion tensor imaging (DTI) is an MRI-based technique that delineates white matter tracts in the brain by tracking the diffusion of water in neural tissue. This methodology, known as "tractography", has been extensively applied in clinical neuroscience to explore nervous system architecture and diseases. More recently, tractography has been used to assist with neurosurgical targeting in functional neurosurgery. This review provides an overview of DTI principles, and discusses current applications of tractography for improving and helping develop novel deep brain stimulation (DBS) targets...
January 29, 2018: Brain Sciences
https://www.readbyqxmd.com/read/29380512/an-experimental-and-numerical-study-on-tactile-neuroimaging-a-novel-minimally-invasive-technique-for-intraoperative-brain-imaging
#13
Moslem Sadeghi-Goughari, Yanjun Qian, Soo Jeon, Sohrab Sadeghi, Hyock-Ju Kwon
BACKGROUND: The success of tumour neurosurgery is highly dependent on the ability to accurately localize the operative target, which may shift during the operation. Performing intraoperative brain imaging is crucial in minimally invasive neurosurgery to detect the effect of brain shift on the tumour's location, and to maximize the efficiency of tumour resection. METHOD: The major objective of this research is to introduce tactile neuroimaging as a novel minimally invasive technique for intraoperative brain imaging...
January 30, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/29374611/frugal-malleable-micro-dissectors-and-arachnoid-knives-for-micro-neurosurgery
#14
Deepak K Jha
Like most of the other medical and surgical fields, neurosurgery too has changed drastically in last couple of decades, especially in the fields of understanding, instrumentation and equipments. Safety, scope of treating initially considered non-treatable neurosurgical conditions, and prognosis of most of the neurosurgical procedures have improved significantly. Barrage of newer instruments and equipments are exponential for last many years leading to tremendous cost escalation of the treatment. However, equitable distribution of the neurosurgical services in the society is far from reality...
January 25, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29369958/epidural-hematoma-following-cessation-of-a-direct-oral-anticoagulant-a-case-report
#15
Jessica E Burjorjee, Rachel Rooney, Melanie Jaeger
OBJECTIVE: In this case report, we describe a case of epidural hematoma following epidural analgesia in a patient with recent cessation of a direct oral anticoagulant (DOAC). CASE REPORT: An 89-year-old woman requiring upper abdominal surgery presented with multiple comorbidities, including a prior cerebrovascular accident resulting in a left-sided hemiparesis and atrial fibrillation requiring anticoagulation with rivaroxaban. In accordance with our departmental guidelines at the time of procedure, rivaroxaban was discontinued 4 days preoperatively...
January 24, 2018: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/29360589/virtual-reality-glasses-and-eye-hands-blind-technique-for-microsurgical-training-in-neurosurgery
#16
Joham Choque-Velasquez, Roberto Colasanti, Juhani Collan, Riina Kinnunen, Behnam Rezai Jahromi, Juha Hernesniemi
OBJECTIVE: Microsurgical skills and eye-hand coordination need a continuous training to be developed and refined. However, well-equipped microsurgical laboratories are not so widespread as their setting-up is very expensive. Herein, we present a novel microsurgical training system which requires a high-resolution personal computer screen, smartphones and virtual reality glasses. METHODS: A smartphone, which is placed on a holder at a height of about 15-20 cm from the surgical target field, is used as the webcam of the computer...
January 19, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29352433/development-and-clinical-application-of-vertebral-metrics-using-a-stereo-vision-system-to-assess-the-spine
#17
Ana Teresa Gabriel, Cláudia Quaresma, Mário Forjaz Secca, Pedro Vieira
The biomechanical changes in the spinal column are considered to be the main responsible for rachialgia. Although radiological techniques use ionizing radiation, they are the most applied tools to assess the biomechanics of the spine. To face this problem, non-invasive techniques must be developed. Vertebral Metrics is an ionizing radiation-free instrument designed to detect the 3D position of each vertebrae in a standing position. Using a stereo vision system combined with low intensity UV light, recognition is achieved with software capable of distinguishing fluorescent marks...
January 20, 2018: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/29351682/radial-artery-fascial-flow-through-free-flap-for-combined-revascularization-in-moyamoya-disease
#18
Jonathan Russin, Joseph Carey
BACKGROUND: Free flaps are commonly used by other surgical subspecialties for soft tissue reconstruction and revascularization. Cranial applications of these flaps have been limited to only a single case report. OBJECTIVE: To present a new technique for combined revascularization in moyamoya disease using a flow-through free flap. METHODS: Data were obtained from an Institutional Review Board-approved, prospectively maintained database with informed consent from the patient...
February 1, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29341066/cerebral-near-infrared-spectroscopy-nirs-for-perioperative-monitoring-of-brain-oxygenation-in-children-and-adults
#19
REVIEW
Yun Yu, Kaiying Zhang, Ling Zhang, Huantao Zong, Lingzhong Meng, Ruquan Han
BACKGROUND: Various techniques have been employed for the early detection of perioperative cerebral ischaemia and hypoxia. Cerebral near-infrared spectroscopy (NIRS) is increasingly used in this clinical scenario to monitor brain oxygenation. However, it is unknown whether perioperative cerebral NIRS monitoring and the subsequent treatment strategies are of benefit to patients. OBJECTIVES: To assess the effects of perioperative cerebral NIRS monitoring and corresponding treatment strategies in adults and children, compared with blinded or no cerebral oxygenation monitoring, or cerebral oxygenation monitoring based on non-NIRS technologies, on the detection of cerebral oxygen desaturation events (CDEs), neurological outcomes, non-neurological outcomes and socioeconomic impact (including cost of hospitalization and length of hospital stay)...
January 17, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29339639/mri-guided-interstitial-laser-ablation-for-intracranial-lesions-a-large-single-institution-experience-of-133-cases
#20
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
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