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Neuromonitoring

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https://www.readbyqxmd.com/read/29765828/a-cross-sectional-survey-of-the-north-american-skull-base-society-on-vestibular-schwannoma-part-2-perioperative-practice-patterns-of-vestibular-schwannoma-in-north-america
#1
Jamie J Van Gompel, Matthew L Carlson, R Mark Wiet, Nicole M Tombers, Anand K Devaiah M, Devyani Lal, Jacques J Morcos, Michael J Link
Introduction  Perioperative care of vestibular schwannoma (VS) patients is extremely variable across surgeons and institutions making practice patterns difficult to standardize. No data currently exist detailing this practice variability. Methods  The North American Skull Base Society membership was electronically surveyed regarding perioperative care of surgically operated VS patients. Results  There were 87 respondents to the survey. Surgical positioning, surgical approach utilized, and perioperative medical adjuncts are quite variable...
June 2018: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29756591/a-strategic-view-for-intraoperative-neuromonitoring-in-canada-2017
#2
Marshall Wilkinson, David Houlden, Sue Morris, Laura M Holmes, Sam Strantzas
No abstract text is available yet for this article.
May 2018: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/29744226/cerebral-pathophysiology-in-extracorporeal-membrane-oxygenation-pitfalls-in-daily-clinical-management
#3
REVIEW
Syed Omar Kazmi, Sanjeev Sivakumar, Dimitrios Karakitsos, Abdulrahman Alharthy, Christos Lazaridis
Extracorporeal membrane oxygenation (ECMO) is a life-saving technique that is widely being used in centers throughout the world. However, there is a paucity of literature surrounding the mechanisms affecting cerebral physiology while on ECMO. Studies have shown alterations in cerebral blood flow characteristics and subsequently autoregulation. Furthermore, the mechanical aspects of the ECMO circuit itself may affect cerebral circulation. The nature of these physiological/pathophysiological changes can lead to profound neurological complications...
2018: Critical Care Research and Practice
https://www.readbyqxmd.com/read/29734956/training-and-regulating-clinical-scientists-in-canada-online-training-for-intraoperative-neuromonitoring
#4
Jonathan Norton
No abstract text is available yet for this article.
May 8, 2018: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/29730784/voice-quality-preservation-in-thyroid-surgery-with-neuromonitoring
#5
Beata Wojtczak, Krzysztof Sutkowski, Krzysztof Kaliszewski, Zdzisław Forkasiewicz, Bartłomiej Knychalski, Michał Aporowicz, Marek Bolanowski, Marcin Barczyński
PURPOSE: Voice problems are common after thyroidectomy. The aim of this study was to assess the voice related quality of life after thyroidectomy with neuromonitoring. The sociodemographic and treatment factors influencing the quality of voice after the operation were investigated. METHODS: A total of 40 patients after thyroidectomy with neuromonitoring were enrolled into the study. The voice outcome was analyzed pre and postoperatively by two validated self-assessment questionnaires: Voice Handicap Index and Voice-Related Quality of Life survey...
May 5, 2018: Endocrine
https://www.readbyqxmd.com/read/29729731/an-amperometric-glutamate-biosensor-for-monitoring-glutamate-release-from-brain-nerve-terminals-and-in-blood-plasma
#6
T Borisova, D Kucherenko, O Soldatkin, I Kucherenko, A Pastukhov, A Nazarova, M Galkin, A Borysov, N Krisanova, A Soldatkin, A El Skaya
An excess of the excitatory neurotransmitter, glutamate, in the synaptic cleft during hypoxia/ischemia provokes development of neurotoxicity and originates from the reversal of Na+ -dependent glutamate transporters located in the plasma membrane of presynaptic brain nerve terminals. Here, we have optimized an electrochemical glutamate biosensor using glutamate oxidase and developed a biosensor-based methodological approach for analysis of rates of tonic, exocytotic and transporter-mediated glutamate release from isolated rat brain nerve terminals (synaptosomes)...
August 31, 2018: Analytica Chimica Acta
https://www.readbyqxmd.com/read/29727414/comprehensive-assessment-of-outcomes-from-patients-with-severe-early-onset-scoliosis-treated-with-a-vertebral-column-resection-results-from-an-srs-global-outreach-site-focos-in-ghana
#7
Kushagra Verma, Casey Slattery, Henry Duah, Kawdwo P Yankey, Gregory Mundis, Oheneba Boachie-Adjel
BACKGROUND: Early-onset scoliosis (EOS) remains a challenging pediatric spine condition to manage. Some severe deformities can be managed with a vertebral column resection (VCR), which is fraught with high complication rates and the outcomes have not been well reported. The purpose of this study is to provide an assessment of operative, radiographic, and clinical outcomes from children diagnosed with severe EOS treated with a VCR. METHODS: We performed a retrospective review of prospectively collected data...
April 30, 2018: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29725663/recovery-of-lost-motor-evoked-potentials-in-open-thoracoabdominal-aortic-aneurysm-repair-using-intercostal-artery-bypass
#8
Alexander Gombert, Jochen Grommes, Danny Hilkman, Drosos Kotelis, Werner H Mess, Michael J Jacobs
Ischemia of the spinal cord remains a disastrous complication in thoracoabdominal aortic aneurysm (TAAA) surgery. We report a case of open type I TAAA repair during which no motor evoked potentials were detectable for >1 hour after aortic cross-clamping. The creation of three intercostal artery bypasses restored spinal cord perfusion. As the patient showed only moderate clinical signs of spinal cord ischemia afterward, we underline the role of neuromonitoring to guide intercostal artery bypass implantation during TAAA surgery as the combined use of neuromonitoring and intercostal artery bypass implantation may prevent paraplegia in specific TAAA cases...
March 2018: Journal of Vascular Surgery Cases and Innovative Techniques
https://www.readbyqxmd.com/read/29716808/immediate-improvement-of-intraoperative-monitoring-signals-following-csf-release-for-cervical-spine-stenosis-case-report
#9
Zach Pennington, Corinna Zygourakis, A Karim Ahmed, Samuel Kalb, Alex Zhu, Nicholas Theodore
Cervical spondylotic myelopathy (CSM) is a degenerative pathology characterized by partial or complete conduction block on intraoperative neuromonitoring. We describe a case treated using osseoligamentous decompression and durotomy for cerebrospinal fluid (CSF) release. Intraoperative monitoring demonstrated immediate signal improvement with CSF release, suggesting that clinical improvement in CSM may result from resolution of CSF flow anomalies.
April 28, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29709735/safeness-and-utility-of-concomitant-intraoperative-monitoring-with-intraoperative-magnetic-resonance-imaging-in-children-a-pilot-study
#10
Sandra Dias, Johannes Sarnthein, Elisabeth Jehli, Marian Christoph Neidert, Luca Regli, Oliver Bozinov
OBJECTIVE: High-field intraoperative MR (ioMRI) has become increasingly available in neurosurgery centers. There is little experience with the combination of ioMRI with intraoperative neurophysiological neuromonitoring (IONM). We provide a first series of pediatric patients undergoing brain tumor surgery with 3T ioMRI and IONM. METHODS: We conducted a pilot study were we included all consecutive children operated for brain tumors between October 2013 and April 2016 where concomitant ioMRI and somatosensory evoked potentials (SEP) and motor evoked potentials (MEP) were used...
April 27, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29707900/an-observational-case-series-of-spinal-cord-stimulation-waveforms-visualized-on-intraoperative-neuromonitoring
#11
Steven M Falowski
INTRODUCTION: Intraoperative neuromonitoring for spinal cord stimulation uses electromyography (EMG) responses to determine myotomal coverage as a marker for dermatomal coverage. These responses are utilized to determine the orientation of the electrode. Somatosensory evoked potential (SSEP) collision testing can also be used in which sensory signals are decreased and/or eliminated when stimulation is activated. METHODS: Fifteen patients were observed in the study...
April 29, 2018: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/29702712/development-of-a-neuronicu-with-a-broader-focus-on-all-newborns-at-risk-of-brain-injury-the-first-2-years
#12
Krisa P Van Meurs, Elisabeth S Yan, Kathi S Randall, Valerie Y Chock, Alexis S Davis, Cecelia S Glennon, Catherine L Clark, Courtney J Wusthoff, Sonia L Bonifacio
OBJECTIVE:  Many critically ill neonates have an existing brain injury or are at risk of neurologic injury. We developed a "NeuroNICU" (neurologic neonatal intensive care unit) to better provide neurologically focused intensive care. STUDY DESIGN:  Demographic and clinical variables, services delivered, and patient outcomes were recorded in a prospective database for all neonates admitted to the NeuroNICU between April 23, 2013, and June 25, 2015. RESULTS:  In total, 546 neonates were admitted to the NeuroNICU representing 32% of all NICU admissions...
April 27, 2018: American Journal of Perinatology
https://www.readbyqxmd.com/read/29701357/frozen-elephant-trunk-with-e-vita-open-hybrid-prosthesis-for-surgical-correction-of-multisegmental-thoracic-aortic-pathology-review-of-results
#13
António Cruz Tomás, Álvaro Laranjeira Santos, Jorge Pinheiro Santos, Daniela Varela-Afonso, José Fragata
INTRODUCTION: The Frozen Elephant Trunk (FET) surgery allows correction of ascending, arch and proximal descending aortic pathology, using a hybrid prosthesis at the same time. It is a complex intervention and requires a multidisciplinary team that, besides scheduling and performing the surgery, accompanies the patient (pt) throughout the postoperative period. OBJECTIVES: To review short and medium term clinical results with this technique. METHODS: Between January 2010 and September 2017, we operated 34 patients (pts) using FET...
July 2017: Revista Portuguesa de Cirurgia Cardio-torácica e Vascular
https://www.readbyqxmd.com/read/29689591/translational-study-to-standardize-the-safe-use-of-bipolar-forceps-ligasure%C3%A2-sonicision%C3%A2-and-plasmablade%C3%A2-around-the-recurrent-laryngeal-nerve-in-thyroid-surgery
#14
Yishen Zhao, Changlin Li, Tie Wang, Le Zhou, Xiaoli Liu, Jingwei Xin, Shijie Li, Hui Sun, Gianlorenzo Dionigi
PURPOSE: We investigated the function of the recurrent laryngeal nerve (RLN) in a live porcine model during adjacent activation with bipolar forceps (BF), LigaSure™ small jaw (LSJ), Sonicision™ and PlasmaBlade™ (PB) devices. METHODS: Each of the energy-based devices (EBD) was activated for 3 seconds at different power settings at 5, 3, 2, and 1 mm from the RLN. Nerve root function and thermal spread were measured by continuous intraoperative neuromonitoring and infrared thermal imaging...
April 23, 2018: Surgical Technology International
https://www.readbyqxmd.com/read/29680471/the-neu-prem-trial-neuromonitoring-of-brains-of-infants-born-preterm-during-resuscitation-a-prospective-observational-cohort-study
#15
Anup C Katheria, M J Harbert, Sunil B Nagaraj, Kathy Arnell, Debra M Poeltler, Melissa K Brown, Wade Rich, Kasim O Hassen, Neil Finer
OBJECTIVE: To determine whether monitoring cerebral oxygen tissue saturation (StO2 ) with near-infrared spectroscopy (NIRS) and brain activity with amplitude-integrated electroencephalography (aEEG) can predict infants at risk for intraventricular hemorrhage (IVH) and death in the first 72 hours of life. STUDY DESIGN: A NIRS sensor and electroencephalography leads were placed on 127 newborns <32 weeks of gestational age at birth. Ten minutes of continuous NIRS and aEEG along with heart rate, peripheral arterial oxygen saturation, fraction of inspired oxygen, and mean airway pressure measurements were obtained in the delivery room...
April 16, 2018: Journal of Pediatrics
https://www.readbyqxmd.com/read/29679696/effect-of-neuromonitor-guided-titrated-care-on-brain-tissue-hypoxia-after-opioid-overdose-cardiac-arrest
#16
Jonathan Elmer, Katharyn L Flickinger, Maighdlin W Anderson, Allison Koller, Matthew Sundermann, Cameron Dezfulian, David O Okonkwo, Lori A Shutter, David Salcido, Clifton W Callaway, James J Menegazzi
INTRODUCTION: Brain tissue hypoxia may contribute to preventable secondary brain injury after cardiac arrest. We developed a porcine model of opioid overdose cardiac arrest and post-arrest care including invasive, multimodal neurological monitoring of regional brain physiology. We hypothesized brain tissue hypoxia is common with usual post-arrest care and can be prevented by modifying mean arterial pressure (MAP) and arterial oxygen concentration (PaO2 ). METHODS: We induced opioid overdose and cardiac arrest in sixteen swine, attempted resuscitation after 9 minutes of apnea, and randomized resuscitated animals to three alternating 6-hour blocks of standard or titrated care...
April 18, 2018: Resuscitation
https://www.readbyqxmd.com/read/29676711/-intraoperative-neuromonitoring-in-endocrine-surgery-when-is-it-appropriate
#17
A F Engelsman, E J M Nieveen van Dijkum
The use of intraoperative neuromonitoring (IONM) in thyroid surgery has steadily increased in recent years. This technique helps to identify different nerves in and around the operation site, such as the recurrent laryngeal nerve (RLN) and the external branch of the superior laryngeal nerve. Particularly in patients who undergo a second operation or a complex procedure for malignancy, the technique's value has been demonstrated. However, in non-complex thyroid operations the risk of vocal cord paresis due to iatrogenic injury of the RLN is 0...
2018: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/29671295/monitoring-the-injured-brain
#18
Anna T Mazzeo, Deepak K Gupta
Traumatic brain injury can be defined as the most complex disease in the most complex organ. When an acute brain injury occurs, several pathophysiological cascades are triggered, leading to further exacerbation of the primary damage. A number of events potentially occurring after TBI can compromise the availability or utilization of energy substrates in the brain, ultimately leading to brain energy crisis. The frequent occurrence of secondary insults in the acute phase after TBI, such as intracranial hypertension, hypotension, hypoxia, hypercapnia, hyperthermia, seizures, can then increase cerebral damage, and adversely affect outcome...
April 18, 2018: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/29668855/the-negative-ultraslow-potential-electrophysiological-correlate-of-infarction-in-the-human-cortex
#19
Janos Lückl, Coline L Lemale, Vasilis Kola, Viktor Horst, Uldus Khojasteh, Ana I Oliveira-Ferreira, Sebastian Major, Maren K L Winkler, Eun-Jeung Kang, Karl Schoknecht, Peter Martus, Jed A Hartings, Johannes Woitzik, Jens P Dreier
Spreading depolarizations are characterized by abrupt, near-complete breakdown of the transmembrane ion gradients, neuronal oedema, mitochondrial depolarization, glutamate excitotoxicity and activity loss (depression). Spreading depolarization induces either transient hyperperfusion in normal tissue; or hypoperfusion (inverse coupling = spreading ischaemia) in tissue at risk for progressive injury. The concept of the spreading depolarization continuum is critical since many spreading depolarizations have intermediate characteristics, as opposed to the two extremes of spreading depolarization in either severely ischaemic or normal tissue...
April 16, 2018: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29668454/identification-of-the-external-branch-of-the-superior-laryngeal-nerve-during-thyroid-surgery
#20
Lyubka Aleksova, Metin M Ali, Djevdet I Chakarov, Zeynep M Yozgyur
AIM: To compare the level of intra-operative identification of external branch of the superior laryngeal nerve (EBSLN) through classical conventional clinical methods of prevention against those applying intraoperative neuromonitoring (IONM). MATERIALS AND METHODS: The study included 102 patients with interventions on the thyroid gland performed in the surgical clinics of St George University Hospital and the Department of Special Surgery of Plovdiv Medical University...
March 1, 2018: Folia Medica
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