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Neuromonitoring

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https://www.readbyqxmd.com/read/28724200/effect-of-memantine-on-serum-levels-of-neuron-specific-enolase-and-on-the-glasgow-coma-scale-in-patients-with-moderate-traumatic-brain-injury
#1
Majid Mokhtari, Hossein Nayeb-Aghaei, Mehran Kouchek, Mir Mohammad Miri, Reza Goharani, Arash Amoozandeh, Sina Akhavan Salamat, Mohammad Sistanizad
Traumatic brain injury (TBI) is a major cause of disability and death globally. Despite significant progress in neuromonitoring and neuroprotection, pharmacological interventions have failed to generate favorable results. We examined the effect of memantine on serum levels of neuron-specific enolase (NSE), a marker of neuronal damage, and the Glasgow Coma Scale (GCS) in patients with moderate TBI. Patients were randomly assigned to the control group (who received standard TBI management) and the treatment group (who, alongside their standard management, received enteral memantine 30 mg twice daily for 7 days)...
July 19, 2017: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28713699/transoral-thyroidectomy-why-is-it-needed
#2
REVIEW
Gianlorenzo Dionigi, Matteo Lavazza, Chei-Wei Wu, Hui Sun, Xiaoli Liu, Ralph P Tufano, Hoon Yub Kim, Jeremy D Richmon, Angkoon Anuwong
Transoral thyroidectomy (TOT) represents reasonably the desirable minimally invasive approach to the gland due to the scarless non-visible incisions, the limited distance between the gland and the access that minimize tissue dissection and respect of the surgical anatomical planes. Patients are routinely selected according to an extensive inclusion criteria: (I) ultrasonographically (US) estimated thyroid diameter not larger than 10 cm; (II) US gland volume ≤45 mL; (III) nodule size ≤50 mm; (IV) a benign tumor, such as a thyroid cyst, single-nodular goiter, or multinodular goiter; (V) follicular neoplasm; (VI) papillary microcarcinoma without lymph node metastasis...
June 2017: Gland Surgery
https://www.readbyqxmd.com/read/28703113/role-of-intraoperative-neuromonitoring-of-the-recurrent-laryngeal-nerves-during-thyroid-reoperations-of-recurrent-goiter
#3
Jan Sopiński, Krzysztof Kuzdak, Masoud Hedayati, Krzysztof Kołomecki
Reoperations of the thyroid gland are challenging to any surgeon. Such procedures are technically difficult and involve higher risk of complications than primary procedures. Recurrent laryngeal nerve (RLN) palsy is one of such complications The aim of the study was to evaluate the effectiveness of intraoperative neuromonitoring (IONM) in preventing RLN palsy during recurrent goiter operations. MATERIAL AND METHODS: We retrospectively analyzed the results of thyroid reoperation performed at the Department of Endocrine, General and Vascular Surgery of Medical University of Lodz in the period from January 2014 to June 2016...
June 30, 2017: Polski Przeglad Chirurgiczny
https://www.readbyqxmd.com/read/28688062/giant-thoracic-discs-treatment-outcome-and-follow-up-of-33-patients-in-a-single-centre
#4
Saurabh Kapoor, Meriem Amarouche, Farah Al-Obeidi, Jean Marie U-King-Im, Nick Thomas, David Bell
PURPOSE: To help guide treatment strategies and create insight into functional outcomes in patients with Giant herniated thoracic discs (GHTD), which are defined as occupying more than 40% of spinal canal. METHODS: Authors did a retrospective analysis of prospective cohort of 33 cases of GHTD, using clinical letters, notes, and telephonic questionnaires to determine their pre and postoperative functional status, surgical details, and complication rates. 16 males and 17 females operated between 2006 and 2014 were included in the study...
July 7, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28687123/dynamics-of-cerebral-perfusion-deficits-after-aneurysmal-sah%C3%A2-%C3%A2-predictive-value-of-early-mtt-for-subsequent-mtt-deterioration
#5
Christian Rubbert, Julian Caspers, Athanasios Konstandinou Petridis, Bernd Turowski, Rebecca May
BACKGROUND AND PURPOSE: The pathogenesis of poor functional outcome after aneurysmal subarachnoid hemorrhage (aSAH) is not fully understood. Microcirculatory dysfunction, which can be indirectly measured by CT perfusion (CTP), is assumed to play a central role. We evaluated the predictive value of early changes in microcirculation for secondary critical perfusion changes. MATERIALS AND METHODS: Out of 351 consecutive aSAH patients, 166 patients with ≥1 CTP within 72h of ictus (early CTP) and ≥3 CTPs in total were included in the retrospective analysis (53...
July 4, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28685438/functional-nirs-measurement-of-cytochrome-c-oxidase-demonstrates-a-more-brain-specific-marker-of-frontal-lobe-activation-compared-to-the-haemoglobins
#6
Isabel de Roever, Gemma Bale, Robert J Cooper, Ilias Tachtsidis
Functional near-infrared spectroscopy (fNIRS) is an increasingly common neuromonitoring technique used to observe evoked haemodynamic changes in the brain in response to a stimulus. The measurement is typically in terms of concentration changes of oxy- (∆HbO2) and deoxy- (∆HHb) haemoglobin. However, noise from systemic fluctuations in the concentration of these chromophores can contaminate stimulus-evoked haemodynamic responses, leading to misinterpretation of results. Short-separation channels can be used to regress out extracerebral haemodynamics to better reveal cerebral changes, significantly improving the reliability of fNIRS...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28682828/criteria-for-intensive-care-admission-and-monitoring-after-elective-craniotomy
#7
Rafael Badenes, Lara Prisco, Armando Maruenda, Fabio S Taccone
PURPOSE OF REVIEW: The current article revises the recent evidence on ICU admission criteria and postoperative neuromonitoring for patients undergoing elective craniotomy. RECENT FINDINGS: Only a small proportion of elective postoperative neurosurgical patients require specific medical interventions and invasive monitoring. Among these, patients undergoing elective craniotomy are frequently admitted to neuro-ICU, specialist postanaesthesia care units or intermediate-level care unit in the postoperative period...
July 5, 2017: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/28681496/transcutaneous-sacral-nerve-stimulation-for-intraoperative-verification-of-internal-anal-sphincter-innervation
#8
D W Kauff, T Moszkowski, C Wegner, A Heimann, K-P Hoffmann, T B Krüger, H Lang, W Kneist
BACKGROUND: The current standard for pelvic intraoperative neuromonitoring (pIONM) is based on intermittent direct nerve stimulation. This study investigated the potential use of transcutaneous sacral nerve stimulation for non-invasive verification of pelvic autonomic nerves. METHODS: A consecutive series of six pigs underwent low anterior rectal resection. For transcutaneous sacral nerve stimulation, an array of ten electrodes (cathodes) was placed over the sacral foramina (S2 to S4)...
July 6, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28678106/proper-responding-strategies-to-neuromonitoring-alerts-during-correction-step-in-posterior-vertebral-column-resection-patients-with-severe-rigid-deformities-can-reduce-postoperative-neurologic-deficits
#9
Yingsong Wang, Jingming Xie, Zhi Zhao, Tao Li, Ni Bi, Ying Zhang, Zhiyue Shi
STUDY DESIGN: Retrospective study. OBJECTIVE: To analyze the intraoperative neuromonitoring (IOM) changes in posterior vertebral column resection (PVCR) for severe rigid deformity patients, and describe our stepwise responding strategies. SUMMARY OF BACKGROUND DATA: Obvious neurological deficit risk accompanied with PVCR correction has been emphasized repeatedly. METHODS: The records of 46 PVCR patients achieved IOM were reviewed...
July 3, 2017: Spine
https://www.readbyqxmd.com/read/28660303/the-role-of-eeg-recordings-in-children-undergoing-cardiac-surgery-for-congenital-heart-disease
#10
Sascha Meyer, Martin Poryo, Mohammed Shatat, Ludwig Gortner, Hashim Abdul-Khaliq
BACKGROUND: Neurological dysfunction may occur after corrective cardiac surgery using cardio-pulmonary bypass (CPB) with or without circulatory arrest. Different neurophysiological monitoring systems have been employed to detect neurological complications and possible brain injury in infants and children during and after cardiac surgery. The value of Elecetroencephalogram (EEG) in infants and children at risk for neurological sequelae has not been systematically studied. METHODS: Sequential performance of two EEGs before and after cardiac surgery at a tertiary University Hospital to screen for possible brain injury after cardiac surgery in neonates and children undergoing CPB surgery...
June 28, 2017: Wiener Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28658041/utility-of-intraoperative-monitoring-in-the-resection-of-spinal-cord-tumors-an-analysis-by-tumor-location-and-anatomical-region
#11
Nikita Lakomkin, Akshitkumar M Mistry, Scott L Zuckerman, Travis Ladner, Parth Kothari, Nathan John Lee, Blaine Stannard, Raul A Vasquez, Joseph S Cheng
STUDY DESIGN: Retrospective review of institutional data OBJECTIVE.: The aim of this study was to assess the utility of somatosensory-evoked potentials (SSEP) and transcranial electric motor-evoked potentials (MEP) in the resection of spine tumors and evaluate the ability of both single and multi-modal monitoring to predict post-operative neurological deficits. SUMMARY OF BACKGROUND DATA: While the utility of intraoperative monitoring (IOM) is well established in scoliosis and degenerative surgery, studies in spine tumor patients have been limited...
June 27, 2017: Spine
https://www.readbyqxmd.com/read/28647609/a-machine-learning-approach-for-automated-wide-range-frequency-tagging-analysis-in-embedded-neuromonitoring-systems
#12
Fabio Montagna, Marco Buiatti, Simone Benatti, Davide Rossi, Elisabetta Farella, Luca Benini
EEG is a standard non-invasive technique used in neural disease diagnostics and neurosciences. Frequency-tagging is an increasingly popular experimental paradigm that efficiently tests brain function by measuring EEG responses to periodic stimulation. Recently, frequency-tagging paradigms have proven successful with low stimulation frequencies (0.5-6Hz), but the EEG signal is intrinsically noisy in this frequency range, requiring heavy signal processing and significant human intervention for response estimation...
June 22, 2017: Methods: a Companion to Methods in Enzymology
https://www.readbyqxmd.com/read/28643050/application-of-transoral-continuous-intraoperative-neuromonitoring-in-natural-orifice-transluminal-endoscopic-surgery-for-thyroid-disease-a-preliminary-study
#13
Han-Kun Chen, Chun-Liang Chen, Kuo-Shan Wen, Yi-Feng Lin, Kai-Yuan Lin, Yih-Huei Uen
BACKGROUND: The novel concept of continuous intraoperative neuromonitoring (Cont-IONM) through stimulation of the vagal nerve has been used in thyroidectomies to prevent imminent injury of the recurrent laryngeal nerve (RLN). This article reports on this technology and the results of using transoral Cont-IONM in natural orifice transluminal endoscopic surgery for thyroid disease. METHODS: Cont-IONM of the RLN was achieved through automatic cyclical stimulation of the vagal nerve using a C2 monitor and delta stimulating electrode...
June 22, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28625752/neurologic-complications-of-extracorporeal-membrane-oxygenation-a-review
#14
REVIEW
Ashleigh Xie, Phillip Lo, Tristan D Yan, Paul Forrest
OBJECTIVE: To review the evidence on neurologic complications in adult extracorporeal membrane oxygenation (ECMO) patients with regard to incidence, pathophysiology, risk factors, diagnosis, monitoring techniques, prevention, and management. DESIGN: Literature review. SETTING: Observational studies and case reports from a variety of institutions. PARTICIPANTS: Adult ECMO patients. INTERVENTIONS: Six electronic databases were searched from their dates of inception to October 2016...
March 2, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28623598/cost-effectiveness-of-two-decision-strategies-for-shunt-use-during-carotid-endarterectomy
#15
Joe L P Kolkert, Rolf H H Groenwold, Vanessa J Leijdekkers, Joep Ter Haar, Clark J Zeebregts, Anco Vahl
BACKGROUND: Arterial shunting during carotid endarterectomy (CEA) is essential in some patients because of insufficient cerebral perfusion during cross-clamping. However, the optimal diagnostic modality identifying these patients is still debated. None of the currently used modalities has been proved superior to another. The aim of this study was to assess the cost-effectiveness of two modalities, stump pressure measurement (SPM) versus electroencephalography (EEG) combined with transcranial Doppler (TCD) during CEA...
June 16, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28622836/safety-assessment-of-the-use-of-ultrasonic-energy-in-the-proximity-of-the-recurrent-laryngeal-nerve-in-a-porcine-model
#16
Karla V Chávez, Elpidio M Barajas, Francisco Soroa, Armando Gamboa-Dominguez, Samuel Ordóñez, Juan P Pantoja, Mauricio Sierra, David Velázquez-Fernández, Miguel F Herrera
BACKGROUND: Advanced bipolar and ultrasonic energy have demonstrated reduction of operating time and blood loss in thyroidectomy. However, these devices generate heat and thermal dispersion that may damage adjacent structures such as the recurrent laryngeal nerve (RLN). This study was designed to evaluate the safety profile of the Harmonic Focus+(®) (HF+) device through the evaluation of thermal injury to the RLN using different algorithms of distance and time with state of the art technology...
June 7, 2017: American Journal of Surgery
https://www.readbyqxmd.com/read/28619491/the-accuracy-of-multimodality-intraoperative-neuromonitoring-to-predict-postoperative-neurological-deficits-following-cervical-laminoplasty
#17
Junichi Oya, John F Burke, Todd Vogel, Boby Tay, Dean Chou, Praveen Mummaneni
BACKGROUND: Intraoperative neuromonitoring (IONM) has been reported to be sensitive and specific in the detection of neurological injury during spinal surgery. However, utilizing multimodality IONM to predict postoperative neural deficits following cervical laminoplasty remains unclear. OBJECTIVE: The purpose of this study is to clarify the incidence of C5 palsy utilizing multimodality IONM and to compare the accuracy of multimodality IONM to predict postoperative C5 palsy against isolated transcranial motor-evoked potential (MEP)...
June 12, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28614970/effect-of-cerebrospinal-fluid-drainage-on-brain-tissue-oxygenation-in-traumatic-brain-injury
#18
Omar S Akbik, Mark Krasberg, Edwin M Nemoto, Howard Yonas
The effectiveness of cerebrospinal fluid (CSF) drainage in lowering high intracranial pressure (ICP) is well established in severe traumatic brain injury (TBI). However, recently the use of external ventricular drains and intracranial pressure monitors in traumatic brain injury has come under question. The aim of this retrospective study was to investigate the effect of CSF drainage on brain tissue oxygenation (PbtO2). Using a multimodality monitoring system, we continuously monitored brain tissue oxygenation (PbtO2) and parenchymal ICP during CSF drainage events via a ventriculostomy in 40 patients with severe traumatic brain injury (TBI)...
June 14, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28614281/transcranial-motor-evoked-potential-alarm-criteria-to-predict-foot-drop-injury-during-lumbosacral-surgery
#19
Arvydas Tamkus, Kent S Rice, Gregory Hoffman
STUDY DESIGN: Retrospective cohort analysis. OBJECTIVE: This study aims to investigate whether waveform alterations in transcranial motor evoked potentials (TCMEP) can reliably predict postoperative foot drop. SUMMARY OF BACKGROUND DATA: Nerve injury leading to foot drop is a potential complication of lumbosacral surgery. Very limited data exist on the use of intraoperative TcMEPs to identify iatrogenic foot drop. METHODS: We retrospectively reviewed neuromonitoring data from 130 consecutive spine surgeries with instrumentation involving L4-S1...
June 13, 2017: Spine
https://www.readbyqxmd.com/read/28593626/safety-of-lateral-interbody-fusion-surgery-without-intraoperative-monitoring
#20
Hong-Jae Lee, Kyeong-Sik Ryu, Jung-Woo Hur, Ji-Hoon Seong, Hyun-Jin Cho, Jin-Sung Kim
AIM: Oblique lateral interbody fusion (OLIF) is a minimally invasive surgical method that can access lumbar spine without direct dissection of psoas muscle and the need for intraoperative neuromonitoring (IOM) is questionable. The purpose of this study is to examine and document the transient and persistent perioperative complications in patients who underwent OLIF for degenerative lumbar disease without IOM. MATERIAL AND METHODS: Total 129 consecutive patients who were diagnosed as degenerative spinal disease from L1 to S1 and underwent the mini-open OLIF, were identified and retrospectively reviewed...
May 7, 2017: Turkish Neurosurgery
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