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https://www.readbyqxmd.com/read/28413526/neuroendoscopy-is-it-safe
#1
Manas Panigrahi, Bharat Gupta, Rajesh Reddy
BACKGROUND: The effect of heat in endoscopic instruments used for laparoscopy and hysteroscopy has been well-studied. Reports of thermal injury from nasal endoscopes have also been reported. However, there are no experimental studies, which have objectively documented and provided recommendations for safe use of endoscopes in neurosurgery. OBJECTIVES: To study the heat generated at the tip of the endoscope and the subsequent thermal damage caused to a cotton drape placed in proximity, by varying the intensity of light delivered through different optical cables, ambient (operating room) temperatures and working distances...
January 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/28389876/augmented-reality-in-intraventricular-neuroendoscopy
#2
T Finger, A Schaumann, M Schulz, Ulrich-W Thomale
BACKGROUND: Individual planning of the entry point and the use of navigation has become more relevant in intraventricular neuroendoscopy. Navigated neuroendoscopic solutions are continuously improving. OBJECTIVE: We describe experimentally measured accuracy and our first experience with augmented reality-enhanced navigated neuroendoscopy for intraventricular pathologies. PATIENTS AND METHODS: Augmented reality-enhanced navigated endoscopy was tested for accuracy in an experimental setting...
April 7, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28381928/prevalence-of-shunt-dependency-and-clinical-outcome-in-patients-with-massive-intraventricular-haemorrhage-treated-with-endoscopic-washout-and-external-ventricular-drainage
#3
Jason Raj Johnson, Zamzuri Idris, Jafri Malin Abdullah, Azmi Alias, Mohammad Saffari Mohammad Haspani
BACKGROUND: Intraventricular haemorrhage (IVH) causes blockage of ventricular conduits leading to hydrocephalus, increased intracranial pressure (ICP), and a reduced level of consciousness. The current standard management of IVH is insertion of an external ventricular drainage (EVD) catheter. However, this procedure addresses only the problems of acute hydrocephalus and raised ICP. Endoscopic washout allows for a more complete removal of the intraventricular clot. This study compared these two types of treatment in terms of shunt dependency and relevant clinical outcomes...
March 2017: Malaysian Journal of Medical Sciences: MJMS
https://www.readbyqxmd.com/read/28324187/frontal-burr-hole-approach-for-neuroendoscopic-resection-of-craniopharyngioma-with-the-nico-myriad-device-report-of-two-cases
#4
Reilin J Moore, Andrea Scherer, Daniel H Fulkerson
OBJECTIVE: Craniopharyngiomas are challenging tumors to resect due to their deep location and proximity to vital structures. The perceived benefit of gross total resection may be tempered by the possibility of permanent disability. Minimally invasive techniques may reduce surgical morbidity while still allowing effective resection. The authors describe their initial experience with a neuroendoscopic transcortical, transventricular approach to two craniopharyngiomas. The surgeries were performed through a right frontal burr hole using the NICO Myriad, a side-cutting, aspiration device that fits through the working channel of a standard neuroendoscope...
April 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28304218/comparative-effectiveness-of-flexible-versus-rigid-neuroendoscopy-for-endoscopic-third-ventriculostomy-and-choroid-plexus-cauterization-a-propensity-score-matched-cohort-and-survival-analysis
#5
Shelly Wang, Scellig Stone, Alexander G Weil, Aria Fallah, Benjamin C Warf, John Ragheb, Sanjiv Bhatia, Abhaya V Kulkarni
OBJECTIVE Endoscopic third ventriculostomy (ETV)/choroid plexus cauterization (CPC) has become an increasingly common technique for the treatment of infant hydrocephalus. Both flexible and rigid neuroendoscopy can be used, with little empirical evidence directly comparing the two. Therefore, the authors used a propensity score-matched cohort and survival analysis to assess the comparative efficacy of flexible and rigid neuroendoscopy. METHODS Individual data were collected through retrospective review of infants younger than 2 years of age, treated at 1 of 2 hospitals: 1) Boston Children's Hospital, exclusively utilizing flexible neuroendoscopy, and 2) Nicklaus Children's Hospital-Jackson Memorial Hospital, exclusively utilizing rigid neuroendoscopy...
March 17, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28298748/anesthesia-for-endoscopic-third-ventriculostomy-in-children
#6
REVIEW
M C Rajesh
Neuroendoscopy has established itself as a routine neurosurgical procedure in pediatric population. To have an uneventful smooth perioperative course, it is important for anesthesiologist to know about the key steps, possible complications, and specific anesthetic requirements. Among neuroendoscopies, endoscopic third ventriculostomy is the commonly performed one.
January 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28236182/endoscopic-management-of-a-low-grade-thalamic-glioma-a-safe-alternative-to-open-microsurgery
#7
Benjamin Brokinkel, Murat Yavuz, Nils Warneke, Angela Brentrup, Katharina Hess, Caroline Bleimüller, Johannes Wölfer, Walter Stummer
BACKGROUND: Despite considerable advances in preoperative and intraoperative imaging and neuronavigation, resection of thalamic gliomas remains challenging. Although both endoscopic biopsy and third ventriculostomy (ETV) for the treatment of secondary hydrocephalus are commonly performed, endoscopic resection of thalamic gliomas has been very sparsely described. METHOD: We report and illustrate the surgical procedure and patient's outcome after full endoscopic resection of a thalamic glioma and to discuss this approach as an alternative to open microsurgery...
February 24, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28120058/endoscopic-reconstruction-of-csf-pathways-in-ventricular-tumors
#8
Piero Andrea Oppido
Neuroendoscopy is now considered to be a minimally invasive surgical approach for expanding lesions bulging into the ventricle, and it is also considered to be a relevant tool for performing biopsy procedures, fenestration of cystic walls, or for performing tumor removal in selected cases. Furthermore, the use of neuroimaging and the accurate follow-up of brain tumor patients have allowed the documentation of tumoral and pseudotumoral cystic areas that cause the obstruction of cerebrospinal fluid (CSF) pathways...
2017: Acta Neurochirurgica. Supplement
https://www.readbyqxmd.com/read/28111312/dual-channel-endoscopic-indocyanine-green-fluorescence-angiography-for-clipping-of-cerebral-aneurysms
#9
Won-Sang Cho, Jeong Eun Kim, Hyun-Seung Kang, Eun Jin Ha, Minwoong Jung, Choonghee Lee, Il Hyung Shin, Uk Kang
OBJECTIVE: Neuroendoscopy is useful for assessing status of perforators, parent arteries, and aneurysms beyond the straight line of microscopic view during aneurysm clipping. We aimed to evaluate the clinical usefulness of our endoscopic indocyanine green angiography (ICGA) system, which can simultaneously display visible light and indocyanine green fluorescent images. METHODS: Surgical clipping of 16 unruptured aneurysms in 10 patients was performed via the keyhole approach...
April 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28068754/intraventricular-cavernous-malformation-review-of-the-literature-and-report-of-three-cases-with-neuroendoscopic-resection
#10
Masoud Shirvani, Alireza Hajimirzabeigi
Intraventricular cavernomas (IVCs) are extremely infrequent and only occur in 2.8 to 10% of patients with cerebral cavernomas. We describe three IVC cases and briefly review previously documented IVC cases in PubMed. Among 136 IVC cases, the mean age of the patients was 36.5 years; the male-to-female ratio was 0.8. The most frequent location was the lateral ventricle (52.6%), and most of the clinical symptoms (74%) were related to mass effects on adjacent brain tissues. Intraventricular hemorrhage occurred in 22...
January 9, 2017: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/28064327/application-of-neuroendoscopy-in-the-surgical-treatment-of-complicated-hemifacial-spasm
#11
Ming Zhi, Xiao J Lu, Qing Wang, Bing Li
OBJECTIVE: To explore the value of neuroendoscopy in surgery for primary hemifacial spasm (HFS) in patients with complicated local anatomy. METHODS: Endoscopic-assisted microvascular decompression (MVD) was performed in 42 patients with HFS with complicated local anatomy from Janurary 2008 to Janurary 2012 in our department, in the event of a significant blind spot, endoscopic exploration was performed with multi-angle 360-degree observation, including exploration of the brainstem facial nerve root exit zone (REZ) and exploration of the distal end of the nerve, and the relationships between blood vessels and nerves were carefully determined...
January 2017: Neurosciences: the Official Journal of the Pan Arab Union of Neurological Sciences
https://www.readbyqxmd.com/read/27943227/practical-aspects-in-neuroendoscopic-techniques-and-complication-avoidance-a-systematic-review
#12
Yad Ram Yadav, Jitin Bajaj, Vijay Parihar, Shailendra Ratre, Anurag Pateriya
Although endoscopic techniques have many advantages including improved visualizations and magnification., these are also associated with limitations. Objective of this study is to discuss practical aspects that can reduce complications after endoscopic procedures, and their management. Review is based on personal experience of more than 2000 neuroendoscopic procedures performed by the senior author. Topic search was made on PubMed using Neuroendoscopy, complications and neuroendoscopy, complication avoidance and neuroendoscopy, endoscopic neurosurgery, and minimally invasive neurosurgery...
November 11, 2016: Turkish Neurosurgery
https://www.readbyqxmd.com/read/27920937/conversion-technique-from-neuroendoscopy-to-microsurgery-in-ventricular-tumors-technical-note
#13
Pedro Henrique da C F Pinto, Flavio Nigri, Gabriel N Gobbi, Egas M Caparelli-Daquer
BACKGROUND: Ventricular tumors represent a major neurosurgical challenge, making endoscopic approach an invaluable tool as it gained importance due to technological advances. Nevertheless, the method is not exempt of risk and limitations, sometimes requiring an open surgery. Thus, initial measurements must be adopted in order to simplify an eventual need for conversion to open craniotomy. METHODS: Here, we describe a series of 6 patients with ventricular tumors approached by neuroendoscopy where the conversion to microsurgery turned out to be necessary...
2016: Surgical Neurology International
https://www.readbyqxmd.com/read/27915104/petroclival-meningiomas-remaining-controversies-in-light-of-minimally-invasive-approaches
#14
REVIEW
Sâmia Yasin Wayhs, Guilherme Alves Lepski, Leonardo Frighetto, Gustavo Rassier Isolan
Surgical resection of petroclival meningiomas remains challenging due to their deep location and relationship to vital neurovascular structures. Although the natural history of these tumors involves a slow course, the incidence of cranial nerve deficits and the extent of tumor resection vary widely in the literature. Some reviews on this topic have been conducted, but data remain fragmentary and based on retrospective case series, which hinders attempts at meta-analysis. Within this context, research into the use of minimally invasive approaches, including in neuroendoscopy, continues to emerge...
January 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/27915065/assessment-of-white-matter-transgression-during-neuroendoscopic-procedures-using-diffusion-tensor-image-fiber-tracking
#15
Sergio García, Jordina Rincon-Torroella, Arnau Benet, Laura Oleaga, José Juan González Sánchez
BACKGROUND: Presurgical planning allows anticipating intraoperative difficulties, increasing efficiency, and reducing risks. Neuroendoscopy is a minimally invasive technique whose related complications have been focused on cortical function and surface vessels injury. However, white matter disruption has been insufficiently acknowledged. OBJECTIVE: To present a new surgical planning method based on diffusion tensor image that allows quantifying subcortical transgression and optimizing neuroendoscopic trajectories...
March 2017: World Neurosurgery
https://www.readbyqxmd.com/read/27890756/cavernous-angioma-of-the-cerebral-aqueduct
#16
Alberto Feletti, Stavros Dimitriadis, Giacomo Pavesi
BACKGROUND: Among the rare intraventricular cavernomas, purely intra-aqueductal cavernomas are exceptionally rare. CASE DESCRIPTION: A 62-year-old patient presented with progressive headache, memory loss, gait instability, and urinary incontinence. Magnetic resonance imaging showed the presence of a mass lesion located in the lumen of the cerebral aqueduct, associated with triventricular hydrocephalus. CONCLUSIONS: We discuss the rationale that led us to treat hydrocephalus with neuroendoscopy, which offered the possibility to directly inspect the intra-aqueductal lesion, make the diagnosis of cavernoma, and treat symptoms resulting from hydrocephalus without increasing the risk of bleeding...
February 2017: World Neurosurgery
https://www.readbyqxmd.com/read/27867929/comparison-of-3-and-7-tesla-magnetic-resonance-imaging-of-obstructive-hydrocephalus-caused-by-tectal-glioma
#17
Hyeong Cheol Moon, Hyeon-Man Baek, Young Seok Park
Obstructive hydrocephalus caused by tectal glioma, which relived by neuroendoscopy, have been described using 3.0 Tesla magnetic resonance imaging (3T MRI) so far, we present the results obtained from 3T and 7T MRI in this patient. A 21-year-old woman presented at our hospital with gait disturbance, hormonal insufficiency, and urinary incontinence that began prior to 6 years of age. 3.0T MRI revealed a non-enhancing tectal mass along with obstructive hydrocephalus. The mass measured approximately 1.1×1.0×1...
October 2016: Brain Tumor Research and Treatment
https://www.readbyqxmd.com/read/27811456/challenges-and-outcome-of-cranial-neuroendoscopic-surgery-in-a-resource-constrained-developing-african-country
#18
E O Uche, E Okorie, J Emejulu, O Ajuzieogu, N J Uche
BACKGROUND: Cranial neuroendoscopy has been safely applied to the surgical treatment of different lesions of the brain in our center since its introduction in September 2009. This article summarizes our experience with neuroendoscopy, highlighting the salient challenges and outcome. METHODS: A single institution, retrospective analysis of prospectively acquired cases over a 2.5-year period (September 2010 to February 2013). Challenges experienced during the course of patient care as well as complications and outcomes were recorded and analyzed using SPSS (SPSS Inc...
November 2016: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/27695549/learning-neuroendoscopy-with-an-exoscope-system-video-telescopic-operating-monitor-early-clinical-results
#19
Vijay Parihar, Y R Yadav, Yatin Kher, Shailendra Ratre, Ashish Sethi, Dhananjaya Sharma
CONTEXT: Steep learning curve is found initially in pure endoscopic procedures. Video telescopic operating monitor (VITOM) is an advance in rigid-lens telescope systems provides an alternative method for learning basics of neuroendoscopy with the help of the familiar principle of microneurosurgery. AIMS: The aim was to evaluate the clinical utility of VITOM as a learning tool for neuroendoscopy. MATERIALS AND METHODS: Video telescopic operating monitor was used 39 cranial and spinal procedures and its utility as a tool for minimally invasive neurosurgery and neuroendoscopy for initial learning curve was studied...
October 2016: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/27650561/-surgical-approaches-to-pineal-region-review-article
#20
EDITORIAL
M Májovský, D Netuka, V Beneš
INTRODUCTION: The pineal region is a deep-seated part of the brain surrounded by highly eloquent structures. Differential diagnosis of space-occupying lesions in this region encompasses pineal gland cysts, pineal gland tumours, metastases, germ cell tumours, meningiomas, gliomas, hemangioblastomas and neuroectodermal tumours. A treatment strategy is based mainly on tumour anatomical characteristics and histological type. Except germinatous tumours, a surgical excision is the treatment of choice...
December 0: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
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