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Qing Yue, Tyson Hale, Aaron Knecht, Jennifer Laidacker
BACKGROUND: Foot drop secondary to L5 root injury is a rare complication associated with lumbar surgery. To date, it is still not clear whether intraoperative neuromonitoring can detect such an injury. CASE DESCRIPTION: A 54-year-old man who had had bilateral chronic L5 radiculopathy underwent L4-S1 lumbosacral decompression and fusion. During the surgery, the patient lose transcranial electrical motor evoked potential (tceMEPs) from left tibialis anterior (TA) at the time of L5-S1 intervertebral cage placement...
October 14, 2016: World Neurosurgery
Cornelia Genbrugge, Ward Eertmans, Ingrid Meex, Margaretha Van Kerrebroeck, Noami Daems, An Creemers, Frank Jans, Willem Boer, Jo Dens, Cathy De Deyne
BACKGROUND: The aim of this study was to elucidate the possible role of cerebral saturation monitoring in the post-cardiac arrest setting. METHODS: Cerebral tissue saturation (SctO2) was measured in 107 successfully resuscitated out-of-hospital cardiac arrest patients for 48 hours between 2011 and 2015. All patients were treated with targeted temperature management, 24 hours at 33 °C and rewarming at 0.3 °C per hour. A threshold analysis was performed as well as a linear mixed models analysis for continuous SctO2 data to compare the relation between SctO2 and favorable (cerebral performance category (CPC) 1-2) and unfavorable outcome (CPC 3-4-5) at 180 days post-cardiac arrest in OHCA patients...
October 13, 2016: Critical Care: the Official Journal of the Critical Care Forum
Thomas Westphal, Stephan Woischnik, Daniela Adolf, Helmut Feistner, Stefan Piatek
BACKGROUND: Axillary nerve injuries after shoulder surgery are rare. In most studies, the frequency of injury is usually determined using clinical examinations, but results from intraoperative neuromonitoring studies have revealed higher than expected rates. Few studies have investigated this topic. Our aim was to determine the frequency of axillary nerve lesions after open reduction and internal fixation of proximal humeral fractures by using electrophysiological assessments and to provide a review of the relevant literature...
October 7, 2016: Journal of Shoulder and Elbow Surgery
Ibrahim Ali Ozemir, Ferman Ozyalvac, Gorkem Yildiz, Tunc Eren, Zeynep Aydin-Ozemir, Orhan Alimoglu
BACKGROUND: Diabetes mellitus may cause degeneration in the myelin and/or axonal structures of peripheral nerves. The aim of this study was to investigate the effects of diabetic neuropathy on intraoperative neuromonitoring findings such as latency and amplitude values of the recurrent laryngeal nerves during thyroidectomy. To our knowledge this is the first study to report comparison of the electrophysiologic features of diabetic and non-diabetic patients. MATERIALS AND METHODS: One-hundred-and-eleven consecutive patients who received neuromonitoring during thyroidectomy between 2013 and 2015 were included to study...
October 5, 2016: International Journal of Surgery
Zachary D Threlkeld, Mohan Kottapally, Aimee Aysenne, Nerissa Ko
Intracranial pressure (ICP) monitoring frequently guides key decisions in the management of diseases causing intracranial hypertension. Although typically measured by invasive means, contraindications may leave the clinician with little recourse for dynamic ICP evaluation-particularly when the patient's mental status is compromised. We describe here a healthy 18-year-old woman who subacutely progressed to coma due to diffuse cerebral venous sinus thrombosis. Heparinization precluded the use of invasive ICP monitoring, and electroencephalography (EEG) was used novelly as a surrogate ICP monitor...
October 2016: Neurohospitalist
Paolo Del Rio, Piercosimo Nisi, Sara Benedicenti, Elisa Bertocchi, Enrico Luzietti, Mario Sianesi
AIM: To evaluate the learning curve in the use of intraoperative neuromonitoring of recurrent laryngeal nerve and vagus in thyroid surgery. MATERIALS OF THE STUDY: We analyzed 140 pts treated consecutively for thyroid disease. All the patients were neuromonitored with Intraoperative neuromonitoring of recurrent laryngeal nerve and vagus. We divided these patients in 7 groups to collect the adverse events during our learning curve. RESULTS: We monitored consecutively 271 nerves...
2016: Annali Italiani di Chirurgia
Manuel M Buitrago Blanco, Giyarpuram N Prashant, Paul M Vespa
This article reviews key concepts of cerebral glucose metabolism, neurologic outcomes in clinical trials, the biology of the neurovascular unit and its involvement in secondary brain injury after traumatic brain insults, and current scientific and clinical data that demonstrate a better understanding of the biology of metabolic dysfunction in the brain, a concept now known as cerebral metabolic energy crisis. The use of neuromonitoring techniques to better understand the pathophysiology of the metabolic crisis is reviewed and a model that summarizes the triphasic view of cerebral metabolic disturbance supported by existing scientific data is outlined...
October 2016: Neurosurgery Clinics of North America
K Verónica Chavez, E Manuel Barajas, Jaqueline Ramírez, Juan Pablo Pantoja, Mauricio Sierra, David Velázquez-Fernandez, Miguel F Herrera
BACKGROUND: Advanced bipolar and ultrasonic devices have shown significant reduction in the surgical time of thyroid operations. This randomized, controlled trial assessed if operative time and other relevant outcomes are different for thyroidectomies performed either with a second-generation advanced bipolar device or traditional tie and suture technique. METHODS: Forty-one patients were randomized into 2 groups (advanced bipolar device and traditional tie and suture)...
September 7, 2016: Surgery
D Kacy Cullen, James P Harris, Kevin D Browne, John A Wolf, John E Duda, David F Meaney, Susan S Margulies, Douglas H Smith
Unique from other brain disorders, traumatic brain injury (TBI) generally results from a discrete biomechanical event that induces rapid head movement. The large size and high organization of the human brain makes it particularly vulnerable to traumatic injury from rotational accelerations that can cause dynamic deformation of the brain tissue. Therefore, replicating the injury biomechanics of human TBI in animal models presents a substantial challenge, particularly with regard to addressing brain size and injury parameters...
2016: Methods in Molecular Biology
Wojciech Weigl, Daniel Milej, Dariusz Janusek, Stanisław Wojtkiewicz, Piotr Sawosz, Michał Kacprzak, Anna Gerega, Roman Maniewski, Adam Liebert
We present an overview of the wide range of potential applications of optical methods for monitoring traumatic brain injury. The MEDLINE database was electronically searched with the following search terms: "traumatic brain injury," "head injury," or "head trauma," and "optical methods," "NIRS," "near-infrared spectroscopy," "cerebral oxygenation," or "cerebral oximetry." Original reports concerning human subjects published from January 1980 to June 2015 in English were analyzed. Fifty-four studies met our inclusion criteria...
September 7, 2016: Journal of Cerebral Blood Flow and Metabolism
Tristan T Sands, Tiffani L McDonough
PURPOSE OF REVIEW: This article strives to review and summarize selected recent literature and topics contributing to a greater understanding of the diagnosis and treatments of neonatal seizures that have emerged in the past several years. RECENT FINDINGS: Continuous EEG is recommended as the gold standard for neonatal seizure monitoring as it can provide additional information that may stratify patients by etiology, as well as identify at-risk groups of newborns for neuromonitoring...
October 2016: Current Neurology and Neuroscience Reports
Kanokwan Limnuson, Raj K Narayan, Amrit Chiluwal, Eugene V Golanov, Chad E Bouton, Chunyan Li
Multimodal monitoring of brain activity, physiology, and neurochemistry is an important approach to gain insight into brain function, modulation, and pathology. With recent progress in micro- and nanotechnology, micro-nano-implants have become important catalysts in advancing brain research. However, to date, only a limited number of brain parameters have been measured simultaneously in awake animals in spite of significant recent progress in sensor technology. Here we have provided a cost and time effective approach to designing a headstage to conduct a multimodality brain monitoring in freely moving animals...
2016: Frontiers in Neuroscience
Guillaume Mortamet, Manoelle Kossorotoff, Amandine Baptiste, Nathalie Boddaert, Martin Castelle, Philippe Hubert, Fabrice Lesage, Sylvain Renolleau, Mehdi Oualha
BACKGROUND: The authors aimed to collect all brain magnetic resonance imaging (MRI) performed in critically ill children in the authors' medical pediatric intensive care unit over a 2-year period (2012-2013) to (1) describe the findings and (2) assess its contribution on practical patient care. METHODS: This is a single-center and retrospective study. All children without traumatic brain injury who underwent a brain MRI during pediatric intensive care unit stays were included...
September 2, 2016: Journal of Child Neurology
Yong Wang, Xing Yu, Ping Wang, Chundi Miao, Qiuping Xie, Haichao Yan, Qunzi Zhao, Maolin Zhang, Cheng Xiang
BACKGROUND: Transoral endoscopic approach is the natural orifice surgery applied in thyroidectomy to achieve an excellent cosmetic result. Recurrent laryngeal nerve (RLN) injury is the most common complication and little advancement was achieved in the previous clinical studies of transoral thyroid surgery. Herein, we introduced the method of intraoperative neuromonitoring (IONM) for transoral endoscopic thyroid surgery. MATERIALS AND METHODS: Patients with thyroid carcinoma received transoral endoscopic thyroid surgery through vestibular approach (TOETVA) for thyroidectomy and central node dissection (CND)...
September 1, 2016: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
Shmuel Appel, Akiva Korn, Tali Biron, Kobi Goldstein, Nahshon Rand, Michael Millgram, Yizhar Floman, Ely Ashkenazi
INTRODUCTION: Intra-operative Neuro-Monitoring (IONM) is commonly used during cervical spine surgeries. Patient positioning with head extension is associated with risk of neurological damage. This study evaluates the frequency of loss of neurophysiological potentials during head positioning, the usefulness of head repositioning to restore the potentials, and the effect on neurological outcome. METHODS: We retrospectively reviewed consecutive cervical spine surgeries performed at the Israel Spine Center, Assuta Medical Center, during 2006-2013...
August 29, 2016: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
Fernando Mendes Paschoal, Ricardo Carvalho Nogueira, Karla De Almeida Lins Ronconi, Marcelo de Lima Oliveira, Manoel Jacobsen Teixeira, Edson Bor-Seng-Shu
Acute liver failure, also known as fulminant hepatic failure (FHF), embraces a spectrum of clinical entities characterized by acute liver injury, severe hepatocellular dysfunction, and hepatic encephalopathy. Cerebral edema and intracranial hypertension are common causes of mortality in patients with FHF. The management of patients who present acute liver failure starts with determining the cause and an initial evaluation of prognosis. Regardless of whether or not patients are listed for liver transplantation, they should still be monitored for recovery, death, or transplantation...
August 8, 2016: World Journal of Hepatology
Florian Roser, Florian H Ebner, Marina Liebsch, Marcos S Tatagiba, Georgios Naros
OBJECT: Suboccipital decompression and duraplasty is considered the treatment of choice for Chiari-I-malformation. Several studies have shown improvement of neurophysiological parameters during decompressive surgery in pediatric patients. However, there is no evidence of the beneficial role of intraoperative neuromonitoring in adults. METHODS: A total of 39 consecutive patients (25 female, age 41.1±14.5 years [mean±SD]) underwent suboccipital decompression for the treatment of symptomatic Chiari-I-malformation senior neurosurgeon and his team...
November 2016: Clinical Neurology and Neurosurgery
Celestino Pio Lombardi, Giulia Carnassale, Gianfranco Damiani, Anna Acampora, Marco Raffaelli, Carmela De Crea, Rocco Bellantone
BACKGROUND: The aim of our research was to explore the specific role of intermittent intraoperative neuromonitoring (IONM) versus visualization alone in preventing permanent nerve palsy in thyroid surgery. METHODS: A systematic review was conducted by searching electronic databases using specific keywords and completed by hand search. The article selection process was carried out by 2 independent investigators using well-defined inclusion and exclusion criteria...
August 24, 2016: Surgery
V C So, C C M Poon
There has been a growing interest in using intraoperative neuromonitoring to reduce the incidence of stroke and paralysis in major vascular interventions. Electroencephalography, various neurophysiological evoked potential measurements, transcranial Doppler, and near-infrared spectroscopy are some of the modalities currently used to detect neural injuries. A good understanding of these modalities and their interactions with anaesthesia is important to maximize their value and to allow meaningful interpretation of their results...
September 2016: British Journal of Anaesthesia
Anna K Kowalczyk, Bradlee J Bachar, Hong Liu
No abstract text is available yet for this article.
May 2016: Journal of Biomedical Research
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