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Quantang Wei, Yimin Xu, Kaiwen Peng, Songtao Qi, Yuping Peng, Huangyi Ji, Yu Li, Mingxing Qiu, Yanyi Ying, Xiaoyu Qiu
OBJECTIVE: To explore the value of the application of neuroendoscope techniques in the treatment of ventriculoperitoneal shunt blockage. METHODS: Our study included 3 plans for revision surgeries for ventriculoperitoneal shunt blockage. In Plan A, the choroid plexus or ependyma that grew inside the ventricular catheter was completely removed. In Plan B, the terminal part of the ventricular catheter was clipped and removed. In Plan C, the ventricular catheter was carefully extracted with the assistance of neuroendoscope, and the tissues that blocked the catheter were removed...
May 10, 2018: World Neurosurgery
Sunil Manjila, Benoit Rosa, Margherita Mencattelli, Pierre E Dupont
BACKGROUND: Bilateral anterior cingulotomy has been used to treat chronic pain, obsessive compulsive disorder, and addictions. Lesioning of the target area is typically performed using bilateral stereotactic electrode placement and target ablation, which involves transparenchymal access through both hemispheres. OBJECTIVE: To evaluate an endoscopic direct-vision lesioning using a unilateral parasagittal minicraniotomy for minimally invasive bilateral anterior cingulotomy using a novel multiport endoscope through the anterior interhemispheric fissure...
May 4, 2018: Operative Neurosurgery (Hagerstown, Md.)
Charlotte d'Arcangues, Matthias Schulz, Christoph Bührer, Ulrich Thome, Matthias Krause, Ulrich-Wilhelm Thomale
OBJECTIVE: Previous studies have described neuroendoscopic lavage (NEL) as a procedure for the treatment of posthemorrhagic hydrocephalus in newborn infants. This report describes complications and results in an extended case series from two separate hospitals. METHODS: Patient records were screened for NEL procedures performed upon infants with posthemorrhagic hydrocephalus between September 2010 and May 2016 (minimum follow-up time 12 months). Efficacy of blood removal, as assessed by cerebral ultrasound, complications, eventual shunt placement rate, and subsequent shunt revisions were recorded...
May 2, 2018: World Neurosurgery
Sharon Y Y Low, Chen Min Wei, Kenneth T E Chang, Chan Yiong Huak, Ng Lee Ping, Seow Wan Tew, David C Y Low
INTRODUCTION: Leptomeningeal disease is a feared sequelae of malignant paediatric brain tumours. Current methods for its detection is the combined use of cranio-spinal MRI, and CSF cytology from a post-operative lumbar puncture. In this study, the authors hypothesize that CSF taken at the start of surgery, either from an external ventricular drain or neuroendoscope will have equal sensitivity for positive tumour cells, in comparison to lumbar puncture. Secondary hypotheses include positive correlation between CSF cytology and MRI findings of LMD...
2018: PloS One
L Giammattei, V Aureli, R-T Daniel, M Messerer
BACKGROUND: Endoscopic septostomy is the treatment of choice for monolateral obstruction of the foramen of Monro. Common causes of this condition include: neoplasms, hemorrages, infections, congenital atresia, idiopathic occlusion. METHOD: All the steps for performing a safe endoscopic pellucidotomy are presented. A brief discussion about the most common technical variations and their rationale is added. CONCLUSION: Endoscopic pellucidotomy is a safe and effective treatment when a thorough understanding of anatomy is achieved...
April 27, 2018: Neuro-Chirurgie
Leonardo C Welling, Eberval Gadelha Figueiredo, Peter Nakaji, Mariana S Welling, Marcelo D Schafranski, Manoel Jacobsen Teixeira, Robert F Spetzler, Mark C Preul
The ambient cistern is an arachnoid complex that extends from the crural cistern to lateral border of cerebral colliculi. The subtemporal approach has been recognized as the best access to reach pathologies in the ambient cistern, however many disadvantages exist. The present work aims to analyze quantitatively the area of exposure provided by the subtemporal access. The objective is to evaluate if there are advantages of using the neuroendoscope in conventional subtemporal access when compared to the subtemporal access with resection of the parahippocampal gyrus...
April 20, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
Renu Bala, Mihir P Pandia
Neuroendoscopic procedures are increasingly performed nowadays due to the significant technological improvement of endoscopic instrumentation. It carries various advantages such as speed, simplicity, avoidance of implants, and no brain dissection or retraction. Although considered to be safe, it is associated with a host of complications. We hereby report a case of venous air embolism in an infant who was undergoing endoscopic third ventriculostomy. The complication occurred at the completion of surgery when surgeons were withdrawing the endoscope...
April 2018: Asian Journal of Neurosurgery
Christopher Paul Kellner, Alexander G Chartrain, Dominic A Nistal, Jacopo Scaggiante, Danny Hom, Saadi Ghatan, Joshua B Bederson, J Mocco
BACKGROUND: Endoscopic intracerebral hemorrhage (ICH) evacuation techniques have gained interest as a potential therapeutic option. However, the instrumentation and techniques employed are still being refined to optimize hemostasis and evacuation efficiency. OBJECTIVE: We describe the application of a specific endoscopic technique in the treatment of ICH called the Stereotactic Intracerebral Hemorrhage Underwater Blood Aspiration (SCUBA) technique. It differs from previously described minimally invasive ICH interventions in that it combines two separate neuroendoscopic strategies in two phases, the first under dry-field conditions and the second using a wet-field strategy...
March 23, 2018: Journal of Neurointerventional Surgery
Xinghua Xu, Yi Zheng, Shujing Yao, Guochen Sun, Bainan Xu, Xiaolei Chen
Background: With rapid advances in technology, wearable devices as head-mounted display (HMD) have been adopted for various uses in medical science, ranging from simply aiding in fitness to assisting surgery. We aimed to investigate the feasibility and practicability of a low-cost multimodal HMD system in neuroendoscopic surgery. Methods: A multimodal HMD system, mainly consisted of a HMD with two built-in displays, an action camera, and a laptop computer displaying reconstructed medical images, was developed to assist neuroendoscopic surgery...
January 2018: Brain and Behavior
Gaurang S Shah
BACKGROUND Streptococcus acidominimus, which belongs to the viridans streptococci group, is rarely considered pathogenic in humans. However, over the past 10 years, this bacterium has been reported to cause serious infections in humans, particularly among the critically ill. This article is the first case report of pyogenic ventriculitis (PV) and meningitis caused by S. acidominimus in North America. CASE REPORT A 49-year-old Asian male presented to the emergency department with complaints of a headache, fever greater than 37...
March 22, 2018: American Journal of Case Reports
Alexander G Chartrain, Danny Hom, Joshua B Bederson, J Mocco, Christopher Paul Kellner
Neurosurgeons performing intracerebral hemorrhage evacuation procedures have limited options for monitoring hematoma evacuation and assessing residual hematoma burden intraoperatively. Here, we report the successful neuroendoscopic adaptation of intravascular ultrasound, referred to here as intracavitary ultrasound (ICARUS), in two patients. Pre-evacuation ICARUS demonstrated dense hematomas in both patients. Post-evacuation ICARUS in patient 1 demonstrated significant reduction in clot burden and two focal hyperechoic regions consistent with pockets of hematoma not previously seen with the endoscope or burr hole ultrasound...
March 21, 2018: Journal of Neurointerventional Surgery
José Ascención Arenas-Ruiz, Horus Martinez-Maldonado, Vicente Gonzalez-Carranza, Samuel Torres-García, Fernando Chico-Ponce de Leon
INTRODUCTION: Focal hydrocephalus including trapped temporal horn (TTH), isolated lateral and fourth ventricles, is caused by obstruction and/or adhesion related to various etiologies. With the advent of the neuroendoscope, endoscopic procedures have become an alternative in selected cases. CASE REPORT: A 2-year-old male from a rural town in México was referred to our institution because of multiple supra- and infra-tentorial abscesses and hydrocephalus. The patient had progressive deterioration and developed bilateral trapped temporal horn related to multi-septated hydrocephalus, so we performed an endoscopic ventricular-cistern-ventriculostomy through a single right temporal burr hole...
March 20, 2018: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
Shinjiro Fukami, Nobuyuki Nakajima, Hirofumi Okada, Jiro Akimoto, Tamotsu Miki, Hirokazu Fukuhara, Yukiko Shishido-Hara, Toshitaka Nagao, Masumi Tsuda, Michihiro Kohno
INTRODUCTION: Removal of midline paraventricular gliomas is difficult because of their deep localization and invasive character, requiring biopsy for pathologic diagnosis. This study aimed to assess the pathologic findings and clinical course of midline paraventricular gliomas diagnosed using a neuroendoscope. METHODS: This study was performed as a retrospective investigation using a neuroendoscope of 26 patients whose tumors were diagnosed as midline paraventricular gliomas...
March 9, 2018: World Neurosurgery
Mauricio Mandel, Carlo Emanuel Petito, Rafael Tutihashi, Wellingson Paiva, Suzana Abramovicz Mandel, Fernando Campos Gomes Pinto, Almir Ferreira de Andrade, Manoel Jacobsen Teixeira, Eberval Gadelha Figueiredo
OBJECTIVE Advances in video and fiber optics since the 1990s have led to the development of several commercially available high-definition neuroendoscopes. This technological improvement, however, has been surpassed by the smartphone revolution. With the increasing integration of smartphone technology into medical care, the introduction of these high-quality computerized communication devices with built-in digital cameras offers new possibilities in neuroendoscopy. The aim of this study was to investigate the usefulness of smartphone-endoscope integration in performing different types of minimally invasive neurosurgery...
March 13, 2018: Journal of Neurosurgery
Jan Chrastina, Zdeněk Novák, Tomáš Zeman, Věra Feitová, Dušan Hrabovský, Ivo Říha
BACKGROUND: Posttraumatic hydrocephalus (PTH) and posthemorrhagic hydrocephalus (PHH) were previously considered not suitable for neuroendoscopic treatment. New hydrocephalus theories support possible successful neuroendoscopy in such patients. METHODS: This study presents the results of neuroendoscopy in PTH and PHH with a background analysis. From 130 hydrocephalic patients after neuroendoscopic surgeries, 35 cases with PTH (n = 11) or PHH (n = 24; acute: n = 9, subacute: n = 10, chronic: n = 5) were found...
May 2018: World Neurosurgery
Bin Zhang, Xinsheng Wang, Chuzhong Li, Zhong Li
BACKGROUND: The postoperative ventricular adhesion after resection of central nervous system tumors can obstruct physiologic cerebrospinal fluid (CSF) circulation and cause temporal horn entrapment. The surgical goal is to restore physiologic flow of CSF. The authors reviewed their database to report their experience with endoscopic fenestration for treating entrapped temporal horn caused by atrial adhesions. All endoscopic operations performed from February 2015 to December 2016 were reviewed...
April 2018: World Neurosurgery
Dimitrios Paraskevopoulos, Shlomi Constantini, Jarnail Bal, Jonathan Roth
BACKGROUND: Following a previous systematic review of currently available endoscope holders (EHs), we aspired to detect trends, task-specific preferences, and pitfalls of EH in various cranial neuroendoscopic procedures. METHODS: A questionnaire was disseminated to members of the International Federation of Neuroendoscopy. The questionnaire evaluated indications and pitfalls of EH in different applications, in particular, differentiating between intraventricular and skull base endoscopy, as well as subcategories of these 2 main fields...
March 2018: World Neurosurgery
Hui Xiang, Guangyong Wu, Jia Ouyang, Ruen Liu
OBJECTIVE: To compare the efficacy and complications of microvascular decompression (MVD) by complete neuroendoscopy versus microscopy for 213 cases of trigeminal neuralgia (TN). METHODS: Between January 2014 and January 2016, 213 patients with TN were randomly assigned to the neuroendoscopy (n = 105) or microscopy (n = 114) group for MVD via the suboccipital retrosigmoid approach. All procedures were performed by the same neurosurgeon. Follow-up was conducted by telephone interview...
March 2018: World Neurosurgery
Chuzhong Li, Haibo Zhu, Xuyi Zong, Xinsheng Wang, Songbai Gui, Peng Zhao, Yazhuo Zhang
OBJECTIVE: During the past few decades, Chinese endoscopic neurosurgery has rapidly developed in synchrony with the rest of the world. The aim of this article is to review the development of Chinese endoscopic neurosurgery, including its birth, growth, current situation, and prospects. METHODS: The history of Chinese endoscopic neurosurgery development can be divided into 3 stages: cognition and initial stage (1964-1995), exploration and maturity stage (1995-2006), and rapid development and promotion stage (2006-present)...
February 2018: World Neurosurgery
Andrea Iaquinandi, Francesco Corrivetti, Pierpaolo Lunardi, Amedeo Ferlosio, Elena Giannini, Federica Novegno
BACKGROUND: Ventriculoperitoneal (VP) shunt is the most frequent treatment for hydrocephalus. VP shunt malfunction is a very common problem in neurosurgical practice, often requiring shunt revision procedures. In some cases, complete removal of a VP shunt may present difficulties, leading the surgeon to leave the ventricular catheter in situ. This decision is often made to avoid possible adverse events, primarily risk of life-threatening hemorrhage. However, a nonfunctioning catheter left in the ventricular system may lead to further complications...
February 2018: World Neurosurgery
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