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Titus Cvasciuc, Mark Lansdown, Sheila M Fraser
No abstract text is available yet for this article.
March 15, 2018: Minerva Endocrinologica
A Yu Lubnin
We present an analytical review of various neurosurgical interventions in conscious patients. An analysis of the literature indicates growing interest in this problem. Craniotomy in conscious patients has been extensively used in resection of space-occupying cerebral lesions in the eloquent hemispheric areas and in epilepsy surgery. In recent years, there have been a number of reports on interventions in conscious patients with other neurosurgical pathologies, which may be regarded as a new emerging tendency in neurosurgery and neuroanesthesiology...
2018: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
Vasilije Stambolija, Martina Miklić Bublić, Marin Lozić, Jakob Nemir, Miroslav Ščap
Background: Low brain tissue oxygen tension (PbtO2 ), or brain hypoxia, is an independent predictor of poor outcome. Increasing inspirational fraction of oxygen could have a significant influence on treating lower PbtO2 . Combined PbtO2 therapy, compared to the approach that focus only on regulation of cerebral perfusion pressure and intracranial pressure, shows better patient outcomes. Monitoring of PbtO2 could be helpful in individualizing treatment, preventing or limiting secondary brain injury, and maintaining better patient outcome...
2018: Surgical Neurology International
T Cesak, J Adamkov, J Habalova, P Poczos, M Kanta, M Bartos, T Hosszu
AIM: The aim of this study was to analyse the relationship between intracranial pressure (intracranial pressure monitoring) and lactate pyruvate ratio (cerebral microdialysis) in patients with ruptured intracranial aneurysms. METHODS: In a group of fifteen patients, intracranial pressure and lactate/pyruvate ratios were measured and logged in hourly intervals. The relationship between these two variables was subsequently analysed in two ways. 1) Intracranial hypertension (ICP > 20 mmHg) in the presence of energy deprivation (L/P ratio > 30) was noted...
2018: Bratislavské Lekárske Listy
M Campos-Friz, U Hubbe
BACKGROUND: Complex spinal surgery in elderly patients mostly treats degenerative spine alterations. The use of multimodal intraoperative neuromonitoring (IONM) has proven to be a useful tool to recognize neural deterioration during such operations. Elderly patients often have preexisting neural impairment, which leads to difficulties in deriving some potentials or can even lead to not obtaining any potentials at all. PRACTICE AND PROSPECTS: For reliable benefits from IONM a combined use of monitoring and mapping methods as well as the right choice of methods according to the spine level to be treated and a definition of the neural structures in danger is needed...
March 13, 2018: Der Orthopäde
Ronald H M A Bartels, Benno Kusters, Han Brunner, Allard J F Hosman, Nens van Alfen, J André Grotenhuis
BACKGROUND: Idiopathic ventral herniation of the spinal cord is rarely seen as a cause of gradually increasing neurologic deficit. Its cause has never been clarified. It could be the result of a developmental disorder at 30 to 60 day gestational age. Neuropathological analysis of herniated spinal cord tissue could probably support this hypothesis. CASE DESCRIPTION: In a patient suffering from idiopathic ventral herniation of the spinal cord, a biopsy was performed in order to reduce the space-occupying effect...
March 9, 2018: World Neurosurgery
Antonino Raco, Alessandro Pesce, Flavia Fraschetti, Giancarlo D'Andrea, Filippo Maria Polli, Michele Acqui, Alessandro Frati
BACKGROUND AND STUDY OBJECTIVE:  In surgery for gliomas and brain metastases, preservation of neurologic functions is essential to ensure a good quality of life and the eligibility for adjuvant therapies. This article assesses which factors could influence the functional outcome in patients with lesions located in the motor pathways. MATERIALS AND METHODS:  A total of 92 patients with gliomas and metastases involving the motor pathways were studied for concerns regarding quality of life (Karnofsky performance status [KPS] and modified Rankin scale [mRS]) before and after surgical treatment supported by intraoperative neuromonitoring...
March 9, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
Nitin Manohar, Anandh Balasubramaniam, Maila Sharath Kumar, Keerthi Rao, Deepti Srinivas, Chakrabarti Dhritiman
No abstract text is available yet for this article.
March 2, 2018: Journal of Neurosurgical Anesthesiology
Konstantin Hockel, Martin U Schuhmann
OBJECTIVE: A drawback in the use of an external ventricular drain (EVD) originates in the fact that draining cerebrospinal fluid (CSF) (open system) and intracranial pressure (ICP) monitoring can be done at the same time but is considered to be unreliable regarding the ICP trace. Furthermore, with the more widespread use of autoregulation monitoring using blood pressure and ICP signals, the question arises of whether an ICP signal from an open EVD can be used for this purpose. Using an EVD system with an integrated parenchymal ICP probe we compared the different traces of an ICP signal and their derived parameters under opened and closed CSF drainage...
2018: Acta Neurochirurgica. Supplement
Kamal Woods, Ahtziri Fonseca, Larry E Miller
Introduction Oblique lumbar interbody fusion (OLIF) is a newer procedure that avoids the psoas and lumbosacral plexus due to its oblique trajectory into the retroperitoneal space. While early experience with OLIF is reassuring, the longer-term clinical efficacy has not been well established. The purpose of this study was to describe two-year clinical outcomes with OLIF performed by a single surgeon during the learning curve without the aid of the neuromonitoring. Materials and methods Chart review was performed for the consecutive patients who underwent OLIF by a single surgeon...
December 22, 2017: Curēus
Marcus Thudium, Ingo Heinze, Richard K Ellerkmann, Tobias Hilbert
BACKGROUND: Postoperative neurological injury still represents a major cause of morbidity after cardiac surgery. Our objective was to compare the limits as well as advantages of routine monitoring tools for the detection of cerebral function and perfusion deficits during cardiopulmonary bypass in a daily clinical setting. METHODS: Adult patients undergoing elective cardiac surgery with use of cardiopulmonary bypass were included. Patients received monitoring comprising Bispectral Index (BIS), Near Infrared Spectroscopy (NIRS) and assessment of middle cerebral artery flow velocity (MCAV) using transcranial Doppler (TCD) sonography...
January 31, 2018: Heart Surgery Forum
Emad Kandil, Khuzema Mohsin, Mohammad A Murcy, Gregory W Randolph
OBJECTIVES/HYPOTHESIS: Continuous intraoperative neuromonitoring (CIONM) of the vagus nerve was proposed to obtained frequent repetitive electromyography (EMG) data to recognize early change in intraoperative function of the recurrent laryngeal nerve. We examine our initial experience using this technology. STUDY DESIGN: Retrospective review. METHODS: Data for all patients who underwent neck surgery by a single surgeon at a North American institution over a 5-year period were reviewed...
February 26, 2018: Laryngoscope
Ildikó Nagy, Dániel Fabó
Neurophysiological methods are gaining ground in the diagnosis and therapy of cerebrovascular disease. While the role of the EEG (electroencephalography) in the diagnosis of post-stroke epilepsy is constant, quantitative EEG para-meters, as new indicators of early efficiency after thrombolysis or in prognosis of patient's condition have proved their effectiveness in several clinical studies. In intensive care units, continuous EEG monitoring of critically ill patients became part of neurointenzive care protocols...
January 30, 2018: Ideggyógyászati Szemle
Ying Chen, Weihai Xu, Lijuan Wang, Xiaoming Yin, Jie Cao, Fang Deng, Yingqi Xing, Jiachun Feng
BACKGROUND: Neurological deterioration after intracerebral hemorrhage (ICH) is thought to be closely related to increased intracranial pressure (ICP), decreased cerebral blood flow (CBF), and brain metabolism. Transcranial Doppler (TCD) is increasingly used as an indirect measure of ICP, and quantitative EEG (QEEG) can reflect the coupling of CBF and metabolism. We aimed to combine TCD and QEEG to comprehensively assess brain function after ICH and provide prognostic diagnosis. METHODS: We prospectively enrolled patients with severe acute supratentorial (SAS)-ICH from June 2015 to December 2016...
February 20, 2018: Critical Care: the Official Journal of the Critical Care Forum
Joseph L Laratta, Alex Ha, Jamal N Shillingford, Melvin C Makhni, Joseph M Lombardi, Earl Thuet, Ronald A Lehman, Lawrence G Lenke
Study Design: Literature review. Objective: The aim of this study was to provide an overview of the available intraoperative monitoring techniques and the evidence around their efficacy in vertebral column resection. Methods: The history of neuromonitoring and evolution of the modalities are reviewed and discussed. The authors' specific surgical techniques and preferred methods are outlined in detail. In addition, the authors' experience and the literature regarding vertebral column resection and surgical mitigation of neurologic alarms are discussed at length...
February 2018: Global Spine Journal
Sonny Thiara, Donald E Griesdale, William R Henderson, Mypinder S Sekhon
BACKGROUND: Increased cerebral perfusion pressure (CPP)>70 mmHg has been associated with acute respiratory distress syndrome (ARDS) after traumatic brain injury (TBI). Since this reported association, significant changes in ventilation strategies and fluid management have been accepted as routine critical care. Recently, individualized perfusion targets using autoregulation monitoring suggest CPP titration>70 mmHg. Given these clinical advances, the association between ARDS and increased CPP requires further delineation...
February 19, 2018: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
Malte Ottenhausen, Georgios Ntoulias, Imithri Bodhinayake, Finn-Hannes Ruppert, Stefan Schreiber, Annette Förschler, John A Boockvar, Andreas Jödicke
Among spinal tumors that occur intradurally, meningiomas, nerve sheath tumors, ependymomas, and astrocytomas are the most common. While a spinal MRI is the state of the art to diagnose intradural spinal tumors, in some cases CT scans, angiography, CSF analyses, and neurophysiological examination can be valuable. The management of these lesions depends not only on the histopathological diagnosis but also on the clinical presentation and the anatomical location, allowing either radical resection as with most extramedullary lesions or less invasive strategies as with intramedullary lesions...
February 17, 2018: Neurosurgical Review
Gianlorenzo Dionigi, Che-Wei Wu, Ralph P Tufano, Antonio Giacomo Rizzo, Angkoon Anuwong, Hui Sun, Paolo Carcoforo, Cancellieri Antonino, Mattia Portinari, Hoon Yub Kim
This video aimed to describe the role of intraoperative neuromonitoring (IONM) during transoral endoscopic thyroidectomy vestibular approach (TOETVA) with emphasis given to IONM technical and technological notes, the identification of recurrent laryngeal nerve (RLN). Standardized technique of IONM consist in identifying and monitoring both the vagus nerve and the RLNs before and after resection (V1, V2, R1, R2). According to this report, IONM during TOETVA is feasible and safe in providing identification and function of laryngeal nerves...
2018: Journal of Visualized Surgery
Vítor Miranda, Joel Sousa, Armando Mansilha
Thoracoabdominal aortic aneurysms are among the most challenging pathologic conditions vascular surgeons have to face. Endovascular treatment brought the prospect of being able to treat these complex aneurysms with less invasiveness and recent outcomes already challenge those of open repair. Plus, this technique offers a therapeutic option for patients who had none, due to significant comorbidities limiting open repair. Spinal cord injury is a major complication after complex aneurysm repair that dramatically affects patient's quality of life, even if technical success - aneurysm exclusion from circulation - has been achieved...
February 8, 2018: International Angiology: a Journal of the International Union of Angiology
Satoru Fujii, Jian Ray Zhou, Achal Dhir
As the complexity and duration of cardiac ablation procedures increase, there is a growing demand for anesthesiologist involvement in the electrophysiology suites for sedation and anesthesia provision, hemodynamic and neuromonitoring, and procedural guidance through transesophageal echocardiography. To deliver high-quality perioperative care, it is important that the anesthesiologist is intimately familiar with the evolving techniques and technologies, the anesthetic options and ventilation strategies, and the anticipated postprocedural complications...
December 23, 2017: Journal of Cardiothoracic and Vascular Anesthesia
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