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Neural surgery

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https://www.readbyqxmd.com/read/28931250/minimally-invasive-transpalpebral-endoscopic-assisted-amygdalohippocampectomy
#1
Mauricio Mandel, Eberval Gadelha Figueiredo, Suzana Abramovicz Mandel, Rafael Tutihashi, Manoel Jacobsen Teixeira
BACKGROUND: Although anterior temporal lobectomy may be a definitive surgical treatment for epileptic patients with mesial temporal sclerosis, it often results in verbal, visual, and cognitive dysfunction. Studies have consistently reported the advantages of selective procedures compared with a standard anterior temporal lobectomy, mainly in terms of neuropsychological outcomes. OBJECTIVE: To describe a new technique to perform a selective amygdalohippocampectomy (SAH) through a transpalpebral approach with endoscopic assistance...
February 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28928555/continuous-femoral-nerve-blockade-versus-epidural-analgesia-for-postoperative-pain-relief-in-knee-surgeries-a-randomized-controlled-study
#2
Suma Vishwanatha, Sandhya Kalappa
BACKGROUND: Peripheral neural blockade provides effective analgesia with potentially less side effects than an epidural blockade. The present study was undertaken to compare continuous femoral nerve blockade (CFNB) with continuous epidural analgesia (CEA) for postoperative pain control in knee surgeries. MATERIALS AND METHODS: The patients belonging to the American Society of Anesthesiologists Class I and II scheduled for various knee surgeries under spinal anesthesia were enrolled in this study...
July 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28927746/-proposal-of-screening-for-diffuse-low-grade-gliomas-in-the-population-from-20-to-40years
#3
Emmanuel Mandonnet, Luc Taillandier, Hugues Duffau
Diffuse low-grade gliomas (DLGG) are cerebral tumors occurring in young adults, with an inescapable progression to higher grade of malignancy, resulting in functional impairment and death. DLGG evolve in several phases: an asymptomatic period despite a slow radiological growth; a period in which inaugural symptoms occur, usually epilepsy with possible mild cognitive disorders; then a phase with malignant transformation generating disabling neurological deficits; and ultimately the terminal stage. Early maximal surgical resection significantly increases overall survival while preserving quality of life...
September 15, 2017: La Presse Médicale
https://www.readbyqxmd.com/read/28927206/preoperative-magnetic-resonance-and-intraoperative-computed-tomography-fusion-for-real-time-neuronavigation-in-intramedullary-lesion-surgery
#4
Francesco Costa, Alessandro Ortolina, Andrea Cardia, Marco Riva, Martina Revay, Guido Pecchioli, Carla Daniela Anania, Francesco Asteggiano, Maurizio Fornari
BACKGROUND: Image-guided surgery techniques in spinal surgery are usually based upon fluoroscopy or computed tomography (CT) scan, which allow for a real-time navigation of bony structures, though not of neural structures and soft tissue remains. OBJECTIVE: To verify the effectiveness and efficacy of a novel technique of imaging merging between preoperative magnetic resonance imaging (MRI) and intraoperative CT scan during removal of intramedullary lesions. METHODS: Ten consecutive patients were treated for intramedullary lesions using a navigation system aid...
April 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28919152/erector-spinae-plane-esp-block-in-the-management-of-post-thoracotomy-pain-syndrome-a-case-series
#5
Mauricio Forero, Manikandan Rajarathinam, Sanjib Adhikary, Ki Jinn Chin
BACKGROUND AND AIMS: Post thoracotomy pain syndrome (PTPS) remains a common complication of thoracic surgery with significant impact on patients' quality of life. Management usually involves a multidisciplinary approach that includes oral and topical analgesics, performing appropriate interventional techniques, and coordinating additional care such as physiotherapy, psychotherapy and rehabilitation. A variety of interventional procedures have been described to treat PTPS that is inadequately managed with systemic or topical analgesics...
September 11, 2017: Scandinavian Journal of Pain
https://www.readbyqxmd.com/read/28917658/multiple-events-of-gene-manipulation-via-in-pouch-electroporation-in-a-marsupial-model-of-mammalian-forebrain-development
#6
Annalisa Paolino, Laura R Fenlon, Peter Kozulin, Linda J Richards, Rodrigo Suárez
BACKGROUND: The technique of in utero electroporation has been widely used in eutherians, such as mice and rats, to investigate brain development by selectively manipulating gene expression in specific neuronal populations. A major challenge, however, is that surgery is required to access the embryos, affecting animal survival and limiting the number of times it can be performed within the same litter. New method: Marsupials are born at an early stage of brain development as compared to eutherians...
September 13, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28903938/atrial-fibrillation-in-acute-obstructive-sleep-apnea-autonomic-nervous-mechanism-and-modulation
#7
Lilei Yu, Xuefei Li, Bing Huang, Xiaoya Zhou, Menglong Wang, Liping Zhou, Guannan Meng, Yuhong Wang, Zhenya Wang, Jielin Deng, Hong Jiang
BACKGROUND: The mechanisms of atrial fibrillation (AF) induced by obstructive sleep apnea (OSA) are not completely understood. This study investigated the roles of the intrinsic and extrinsic cardiac autonomic nervous system in OSA-induced AF and provided noninvasive autonomic nervous modulation for the suppression of OSA-induced AF by using low-level transcutaneous electrical stimulation (LL-TS) of the auricular branch of the vagus nerve at the tragus. METHODS AND RESULTS: Eighteen dogs received tracheostomy under general anesthesia and were randomly divided into 3 groups: the OSA group (OSA was simulated via clamping of the endotracheal tube at end expiration for 1...
September 13, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28901389/analysis-of-dermal-fibroblasts-isolated-from-neonatal-and-child-cleft-lip-and-adult-skin-developmental-implications-on-reconstructive-surgery
#8
Veronika Živicová, Lukáš Lacina, Rosana Mateu, Karel Smetana, Radana Kavková, Eliška Drobná Krejčí, Miloš Grim, Alena Kvasilová, Jiří Borský, Hynek Strnad, Miluše Hradilová, Jana Šáchová, Michal Kolář, Barbora Dvořánková
The nonsyndromic cleft is one of the most frequent congenital defects in humans. Clinical data demonstrated improved and almost scarless neonatal healing of reparative surgery. Based on our previous results on crosstalk between neonatal fibroblasts and adult keratinocytes, the present study focused on characterization of fibroblasts prepared from cleft lip tissue samples of neonates and older children, and compared them with samples isolated from normal adult skin (face and breast) and scars. Although subtle variances in expression profiles of children and neonates were observed, the two groups differed significantly from adult cells...
September 7, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28894291/neural-predictors-of-12-month-weight-loss-outcomes-following-bariatric-surgery
#9
L M Holsen, P Davidson, H Cerit, T Hye, P Moondra, F Haimovici, S Sogg, S Shikora, J M Goldstein, A E Evins, L E Stoeckel
BACKGROUND/OBJECTIVES: Despite the effectiveness of bariatric surgery, there is still substantial variability in long-term weight outcomes and few factors with predictive power to explain this variability. Neuroimaging may provide a novel biomarker with utility beyond other commonly used variables in bariatric surgery trials to improve prediction of long-term weight-loss outcomes. The purpose of this study was to evaluate the effects of sleeve gastrectomy (SG) on reward and cognitive control circuitry postsurgery and determine the extent to which baseline brain activity predicts weight loss at 12-month postsurgery...
August 14, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28891911/delineating-the-trajectory-of-cognitive-recovery-from-general-anesthesia-in-older-adults-design-and-rationale-of-the-torie-trajectory-of-recovery-in-the-elderly-project
#10
Joshua S Mincer, Mark G Baxter, Patrick J McCormick, Mary Sano, Arthur E Schwartz, Jess W Brallier, Heather G Allore, Bradley N Delman, Margaret C Sewell, Prantik Kundu, Cheuk Ying Tang, Angela Sanchez, Stacie G Deiner
BACKGROUND: Mechanistic aspects of cognitive recovery after anesthesia and surgery are not yet well characterized, but may be vital to distinguishing the contributions of anesthesia and surgery in cognitive complications common in the elderly such as delirium and postoperative cognitive dysfunction. This article describes the aims and methodological approach to the ongoing study, Trajectory of Recovery in the Elderly (TORIE), which focuses on the trajectory of cognitive recovery from general anesthesia...
September 7, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28887899/the-anterior-insula-bidirectionally-modulates-cost-benefit-decision-making-on-a-rodent-gambling-task
#11
M L Daniel, P J Cocker, J Lacoste, A C Mar, J L Houeto, A Belin-Rauscent, D Belin
Deficits in cost-benefit decision making, as assessed in the Iowa Gambling Task (IGT), are commonly observed in neuropsychiatric disorders such as addiction. There is considerable variation in the maximisation of rewards on such tasks, both in the general population and in rodent models, suggesting individual differences in decision making may represent a key endophenotype for vulnerability to neuropsychiatric disorders. Increasing evidence suggests that the insular cortex, which is involved in interoception and emotional processes in humans, may be a key neural locus in the control of decision making processes...
September 9, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28882602/neurosurgical-aspects-of-dialysis-related-spinal-amyloidosis-report-of-three-cases-and-a-review-of-the-literature
#12
M Dalolio, F Lucarella, P Rampini, G P Bulfamante, S Aldea, P Graveleau, S Gaillard, P Scarone
BACKGROUND AND PURPOSE: Osteoarticular manifestations of beta-2 microglobulin amyloidosis are often diagnosed in long-term dialyzed patients. However, spinal involvement is rare (10-25% of patients), and generally not associated with neurological deterioration. Compression of the spinal cord or roots is extremely rare, and probably under-recognized. METHODS: The authors describe three cases of spinal stenosis presenting with neurological signs in long-term dialyzed patients, prospectively collected over 2 years in two different institutions and treated by surgical decompression...
September 4, 2017: Neuro-Chirurgie
https://www.readbyqxmd.com/read/28882525/multi-level-posterior-foraminotomy-with-laminoplasty-versus-laminoplasty-alone-for-cervical-spondylotic-myelopathy-with-radiculopathy-a-comparative-study
#13
Dong-Ho Lee, Jae Hwan Cho, Chang Ju Hwang, Choon Sung Lee, Chunghwan Kim, Jung-Ki Ha
BACKGROUND CONTEXT: Conventional laminoplasty is useful for expanding a stenotic spinal canal. However, it has limited use for the decompression of accompanying neural foraminal stenosis. As such, an additional posterior foraminotomy could be simultaneously applied, although this procedure carries a risk of segmental kyphosis and instability. PURPOSE: The aim was to elucidate the long-term surgical outcomes of additional posterior foraminotomy with a laminoplasty for cervical spondylotic myelopathy (CSM) with radiculopathy...
September 4, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28882520/dynamic-foraminal-dimensions-during-neck-extension-and-rotation-in-fusion-and-artificial-disc-replacement-an-observational-study
#14
Yener N Yeni, Timothy Baumer, Daniel Oravec, Azam Basheer, Colin P McDonald, Michael J Bey, Stephen W Bartol, Victor Chang
BACKGROUND: Changes in the dimensions of the cervical neural foramina (CNF) are considered to be a key factor in nerve root compression and development of cervical radiculopathy. However, to what extent foraminal geometry differs between patients who underwent anterior cervical discectomy and fusion (ACDF) and those who underwent total disc arthroplasty with an artificial disc (AD) during physiological motion is largely unknown. PURPOSE: The objective of this study is to compare compare CNF dimensions during physiological neck motion between ACDF and AD...
September 4, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28877873/the-in-vitro-zebrafish-heart-as-a-model-to-investigate-the-chronotropic-effects-of-vapor-anesthetics
#15
Matthew R Stoyek, Michael K Schmidt, Florentin M Wilfart, Roger P Croll, Frank M Smith
In addition to their intended clinical actions, all general anesthetic agents in common use have detrimental intra- and post-surgical side effects on organs and systems including the heart. The major cardiac side effect of anesthesia is bradycardia, which increases the probability of insufficient systemic perfusion during surgery. These side effects also occur in all vertebrate species so far examined, but the underlying mechanisms are not clear. The zebrafish heart is a powerful model for studying cardiac electrophysiology, employing the same pacemaker system and neural control as do mammalian hearts...
September 6, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28875419/lactulose-decreases-neuronal-activation-and-attenuates-motor-behavioral-deficits-in-hyperammonemic-rats
#16
Natália Ferreira Mendes, Flora França Nogueira Mariotti, José Simões de Andrade, Milena de Barros Viana, Isabel Cristina Céspedes, Márcia Regina Nagaoka, Luciana Le Sueur-Maluf
Lactulose is a nonabsorbable disaccharide commonly used in clinical practice to treat hepatic encephalopathy. However, its effects on neuropsychiatric disorders and motor behavior have not been fully elucidated. Male Wistar rats were bile-duct ligated, and 3 weeks after surgery, treated with lactulose administrated by gavage (1.43 or 3.57 g/kg), once a day for seven days. Plasma levels of ammonia, aspartate aminotransferase, total bilirubin, and creatinine were quantified and histopathological analysis of the livers was performed...
September 5, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28869034/plasticity-and-function-of-human-skeletal-muscle-in-relation-to-disuse-and-rehabilitation-influence-of-ageing-and-surgery
#17
Charlotte Suetta
In order to study the influence of disuse and aging on skeletal muscle homeostasis, different human models were employed. Effects of chronic disuse were investigated in elderly patients suffering from uni-lateral hip-osteoarthritis, whereas the effect of short-term disuse (4 and 14 days of unilateral lower limb immobilisation) was assessed in healthy young and old individuals. In summary, chronic muscle disuse in the elderly was associated with marked quantitative as well as qualitative neuromuscular impairments...
August 2017: Danish Medical Journal
https://www.readbyqxmd.com/read/28868301/dynamic-lumbosacral-magnetic-resonance-imaging-in-a-dog-with-tethered-cord-syndrome-with-a-tight-filum-terminale
#18
Steven De Decker, Vicky Watts, David M Neilson
A 1-year and 11-month- old English Cocker Spaniel was evaluated for clinical signs of progressive right pelvic limb lameness and urinary incontinence. Neurological examination was suggestive of a lesion localized to the L4-S3 spinal cord segments. No abnormalities were seen on magnetic resonance imaging (MRI) performed in the dog in dorsal recumbency and the hips in a neutral position and the conus medullaris ended halfway the vertebral body of L7. An MRI of the hips in extended and flexed positions demonstrated minimal displacement of the conus medullaris in the cranial and caudal directions, respectively...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28863110/relative-location-of-fundus-meatus-acustici-interni-via-porus-acusticus-internus-in-facial-nerve-decompression
#19
Xu Liu, Haodong Wang, Kailiang Cheng, Youqiong Li
Facial neural edema is the pathophysiological base of Bell's palsy. The middle cranial fossa approach is used to relieve the oppression of facial nerve at its most narrow course in the facial canal. In this research, the authors mainly discussed the internal auditory canal segment of facial nerve, completely in the shadow of the bony structure, which is inconvenient for transmastoid decompression. Therefore, the objective was to explore the definite position of the fundus meatus acustici interni from internal acoustic pore...
September 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28858130/effect-of-bispectral-index-guided-anesthesia-on-consumption-of-anesthetics-and-early-postoperative-cognitive-dysfunction-after-liver-transplantation-an-observational-study
#20
Ying-Hao Cao, Ping Chi, Yan-Xing Zhao, Xi-Chen Dong
The objective of this study was to summarize the incidence of postoperative cognitive dysfunction (POCD) after 7days following liver transplantation (LT), and to evaluate the effectiveness of bispectral index (BIS) guided anesthetic intervention in reducing POCD. Additional serum concentrations of S100β and neuron-specific enolase (NSE) were detected during surgery to determine whether they were reliable predictors of POCD.Patients who underwent LT at Beijing YouAn Hospital Affiliated to Capital University of Medical Science from January 2014 to December 2015 were enrolled...
September 2017: Medicine (Baltimore)
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