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Pediatric electrophysiology

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https://www.readbyqxmd.com/read/29023243/pediatric-auditory-brainstem-implantation-surgical-electrophysiologic-and-behavioral-outcomes
#1
Holly F B Teagle, Lillian Henderson, Shuman He, Matthew G Ewend, Craig A Buchman
OBJECTIVES: The objectives of this study were to demonstrate the safety of auditory brainstem implant (ABI) surgery and document the subsequent development of auditory and spoken language skills in children without neurofibromatosis type II (NFII). DESIGN: A prospective, single-subject observational study of ABI in children without NFII was undertaken at the University of North Carolina at Chapel Hill. Five children were enrolled under an investigational device exemption sponsored by the investigators...
October 11, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28984782/chiari-type-i-malformation-with-occult-tethered-cord-syndrome-in-a-child-a-case-report
#2
Yuan Zhou, Lin Zhu, Yixing Lin, Huilin Cheng
RATIONALE: Chiari type I malformation (CM1) and occult tethered cord syndrome (OTCS) are considered to be malformations associated with subtle structural abnormalities of the terminal filum. Few studies have reported patients with CM1 and OTCS. Treatment strategy for patients of CM1 associated with OTCS is controversial. PATIENT CONCERNS: A 14-year-old child was admitted with intermittent pain and numbness in the right upper limb. And he had urinary frequency, neck pain, back pain, and numbness simultaneously...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28974521/update-to-practice-standards-for-electrocardiographic-monitoring-in-hospital-settings-a-scientific-statement-from-the-american-heart-association
#3
REVIEW
Kristin E Sandau, Marjorie Funk, Andrew Auerbach, Gregory W Barsness, Kay Blum, Maria Cvach, Rachel Lampert, Jeanine L May, George M McDaniel, Marco V Perez, Sue Sendelbach, Claire E Sommargren, Paul J Wang
BACKGROUND AND PURPOSE: This scientific statement provides an interprofessional, comprehensive review of evidence and recommendations for indications, duration, and implementation of continuous electro cardiographic monitoring of hospitalized patients. Since the original practice standards were published in 2004, new issues have emerged that need to be addressed: overuse of arrhythmia monitoring among a variety of patient populations, appropriate use of ischemia and QT-interval monitoring among select populations, alarm management, and documentation in electronic health records...
October 3, 2017: Circulation
https://www.readbyqxmd.com/read/28939092/spanish-catheter-ablation-registry-16th-official-report-of-the-spanish-society-of-cardiology-working-group-on-electrophysiology-and-arrhythmias-2016
#4
Adolfo Fontenla, Javier García-Fernández, José Luis Ibáñez
INTRODUCTION AND OBJECTIVES: This report describes the findings of the 2016 Spanish Catheter Ablation Registry. METHODS: Data were retrospectively collected by means of a standardized questionnaire completed by each of the participating centers. RESULTS: Data were collected from 83 centers. A total of 13 482 ablation procedures were performed (the highest historically reported in this registry), with a mean of 162.4 ± 116 and a median of 136 procedures per center...
September 19, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/28918222/vision-assessments-and-interventions-for-infants-0-2-years-at-high-risk-for-cerebral-palsy-a-systematic-review
#5
REVIEW
Olena D Chorna, Andrea Guzzetta, Nathalie L Maitre
We performed a systematic review and evaluated the level of evidence of vision interventions and assessments for infants at high risk for or with a diagnosis of cerebral palsy from 0 to 2 years of age. Articles were evaluated based on the level of methodologic quality, evidence, and clinical utilization. Thirty publications of vision assessments and five of vision interventions met criteria for inclusion. Assessments included standard care neuroimaging, electrophysiology, and neuro-ophthalmologic examination techniques that are utilized clinically with any preverbal or nonverbal pediatric patient...
July 20, 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/28840587/study-design-and-rationale-for-biomedical-shirt-based-electrocardiography-monitoring-in-relevant-clinical-situations-ecg-shirt-study
#6
Paweł Balsam, Piotr Lodziński, Agata Tymińska, Krzysztof Ozierański, Łukasz Januszkiewicz, Renata Główczyńska, Katarzyna Wesołowska, Michał Peller, Radosław Pietrzak, Tomasz Książczyk, Sonia Borodzicz, Łukasz Kołtowski, Mariusz Borkowski, Bożena Werner, Grzegorz Opolski, Marcin Grabowski
BACKGROUND: Today, the main challenge for researchers is to develop new technologies which may help to improve the diagnoses of cardiovascular disease (CVD), thereby reducing healthcare costs and improving the quality of life for patients. This study aims to show the utility of biomedical shirt-based electrocardiography (ECG) monitoring of patients with CVD in different clinical situations using the Nuubo® ECG (nECG) system. METHODS: An investigator-initiated, multicentre, prospective observational study was carried out in a cardiology (adult and paediatric) and cardiac rehabilitation wards ...
August 25, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/28832094/initial-experience-of-catheter-ablation-for-cardiac-arrhythmias-in-children-and-adolescents-at-a-newly-built-ablation-centre
#7
Radosław Pietrzak, Piotr Lodziński, Tomasz Książczyk, Paweł Balsam, Monika Gawałko, Grzegorz Opolski, Bożena Werner
BACKGROUND: Catheter ablation (CA) therapy is the first choice treatment in adults with heart rhythm disturbances. The arrhythmias in adults are mainly conditioned by coronary disease. Etiology of arrhythmias in children is mostly associated with inherited heart disorders. According to the current guidelines the CA is widely used in children, indicating the need to make it more achievable in pediatric population. AIM: To assess efficacy and safety of CA in children with different types of arrhythmias on the initial learning curve at newly built Ablation Center in The Independent Pediatric Hospital of Medical University of Warsaw...
August 23, 2017: Kardiologia Polska
https://www.readbyqxmd.com/read/28827487/clinical-and-laboratory-profiles-of-idiopathic-small-fiber-neuropathy-in-children-case-series
#8
Jafar Kafaie, Ali Al Balushi, Minsoo Kim, Alan Pestronk
The role of autoimmune mechanisms in idiopathic small fiber neuropathy (SFN) is not completely understood. Serum IgM binding to trisulfated disaccharide IdoA2S-GlcNS-6S (TS-HDS) and IgG to fibroblast growth factor receptor 3 were associated with sensory motor polyneuropathies and sensory neuronopathy among others. In this retrospective case review, we describe the clinical and laboratory findings of idiopathic SFN in a small cohort of pediatric patients. Eight children were diagnosed with SFN clinically and confirmed by reduced epidermal nerve fiber density...
September 2017: Journal of Clinical Neuromuscular Disease
https://www.readbyqxmd.com/read/28817461/risk-factors-and-outcomes-of-thalidomide-induced-peripheral-neuropathy-in-a-pediatric-inflammatory-bowel-disease-cohort
#9
Matteo Bramuzzo, Gabriele Stocco, Marcella Montico, Serena Arrigo, Angela Calvi, Paola Lanteri, Stefano Costa, Salvatore Pellegrino, Giuseppe Magazzù, Jacopo Barp, Silvia Ghione, Paolo Lionetti, Giovanna Zuin, Massimo Fontana, Teresa Di Chio, Giuseppe Maggiore, Marzia Lazzerini, Marianna Lucafò, Chiara Udina, Maria Chiara Pellegrin, Andrea Chicco, Marco Carrozzi, Giuliana Decorti, Alessandro Ventura, Stefano Martelossi
BACKGROUND: Thalidomide is an effective therapy in children with inflammatory bowel disease refractory to standard treatments, but thalidomide-induced peripheral neuropathy (TiPN) limits its long-term use. We aimed to investigate the risk factors and the outcome of TiPN in children with inflammatory bowel disease. METHODS: Within a retrospective multicenter cohort study, we evaluated prevalence and evolution of TiPN. Clinical data and candidate genetic profiles of patients with and without TiPN were compared with detect predisposing factors...
August 16, 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28816870/spinal-cord-injury-what-are-the-controversies
#10
Christopher S Ahuja, Gregory D Schroeder, Alexander R Vaccaro, Michael G Fehlings
Traumatic spinal cord injuries have a tremendous impact on individuals, families, and society as a whole. Substantial heterogeneity in the patient population, their presentation and underlying pathophysiology has sparked debates along the care spectrum from initial assessment to definitive treatment. This article reviews spinal cord injury (SCI) management followed by a discussion of the salient controversies in the field. Current care practices modeled on the American Association of Neurological Surgeons/Congress of Neurological Surgeons joint section guidelines are highlighted including key recommendations regarding immobilization, avoidance of hypotension, early International Standards for Neurological Classification of SCI examination and intensive care unit treatment...
September 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28754297/acute-axonal-neuropathy-subtype-of-guillain-barr%C3%A3-syndrome-in-a-french-pediatric-series-adequate-follow-up-may-require-repetitive-electrophysiological-studies
#11
Judith Chareyre, Marie Hully, Hina Simonnet, Lucile Musset, Christine Barnerias, Manoelle Kossorotoff, Susana Quijano-Roy, Isabelle Desguerre, Cyril Gitiaux
Different subtypes of Guillain Barré Syndromes (GBSs) are defined by their electrophysiological characteristics, acute inflammatory demyelinating neuropathy (AIDP), and acute motor/motor-sensory axonal forms (AMAN/AMSAN) with either reversible nerve conduction failure (RCF) or axonal degeneration. Our aim was to describe initial clinical and electrophysiological characteristics of axonal forms of GBS in a pediatric population and their short- and long-term evolution. Electroneuromyogram (ENMG) results were collected at diagnosis and at two months of evolution and interpreted using the recently proposed pattern of RCF vs axonal degeneration...
July 17, 2017: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/28753163/cortical-processing-of-vocal-and-nonvocal-sounds-in-cochlear-implanted-children-an-electrophysiological-study
#12
David Bakhos, John Galvin, Sylvie Roux, Emmanuel Lescanne, Nicole Bruneau
OBJECTIVES: For prelingually deaf children, cochlear implants (CIs) can restore auditory input to the auditory cortex and the ability to acquire spoken language. Language development is strongly intertwined with voice perception. The aim of this electrophysiological study was to investigate human voice processing using measures of cortical auditory evoked potentials (AEPs) in pediatric CI users. DESIGN: Cortical AEPs were measured in 8 CI children (4 to 12 years old) with good auditory and language performance and 8 normal-hearing (NH) age-matched controls...
July 27, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28735929/electrophysiological-and-microstructural-features-of-sleep-in%C3%A2-children%C3%A2-at-high-risk-for-depression-a-preliminary-study
#13
Gianluca Sesso, Flora Bat-Pitault, Aurore Guyon, Sabine Plancoulaine, Tommaso Banfi, Giulia Milioli, Liborio Parrino, Ugo Faraguna, Patricia Franco
OBJECTIVE: This preliminary study investigated electrophysiological and microstructural features of sleep in children and adolescents 4-18 years of age who were born to depressed mothers. METHODS: A total of 31 healthy subjects (15 male and 16 female) participated in the study. In this sample, 20 children born to mothers diagnosed with Major Depressive Disorder (MDD) were designated as "high-risk"; 11 children born to mothers without a personal history of depression were designated as "low-risk...
August 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28687669/atrioventricular-nodal-reentrant-tachycardia-in-patients-with-congenital-heart-disease-outcome-after-catheter-ablation
#14
MULTICENTER STUDY
John Papagiannis, Daniel Joseph Beissel, Ulrich Krause, Michel Cabrera, Marta Telishevska, Stephen Seslar, Christopher Johnsrude, Charles Anderson, Svjetlana Tisma-Dupanovic, Diana Connelly, Dimosthenis Avramidis, Christopher Carter, Laszlo Kornyei, Ian Law, Nicholas Von Bergen, Jan Janusek, Jennifer Silva, Eric Rosenthal, Mark Willcox, Peter Kubus, Gabriele Hessling, Thomas Paul
BACKGROUND: The relationship of atrioventricular nodal reentrant tachycardia to congenital heart disease (CHD) and the outcome of catheter ablation in this population have not been studied adequately. METHODS AND RESULTS: A multicenter retrospective study was performed on patients with CHD who had atrioventricular nodal reentrant tachycardia and were treated with catheter ablation. There were 109 patients (61 women), aged 22.1±13.4 years. The majority, 86 of 109 (79%), had CHD resulting in right heart pressure or volume overload...
July 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28680486/longitudinal-comparison-of-auditory-steady-state-evoked-potentials-in-preterm-and-term-infants-the-maturation-process
#15
Ana Constantino Sousa, Dayane Domeneghini Didoné, Pricila Sleifer
Introduction  Preterm neonates are at risk of changes in their auditory system development, which explains the need for auditory monitoring of this population. The Auditory Steady-State Response (ASSR) is an objective method that allows obtaining the electrophysiological thresholds with greater applicability in neonatal and pediatric population. Objective  The purpose of this study is to compare the ASSR thresholds in preterm and term infants evaluated during two stages. Method  The study included 63 normal hearing neonates: 33 preterm and 30 term...
July 2017: International Archives of Otorhinolaryngology
https://www.readbyqxmd.com/read/28677509/therapy-of-cardiac-arrhythmias-in-children-an-emerging-role-of-electroanatomical-mapping-systems
#16
Casale Matteo, Mezzetti Maurizio, Tulino Viviana, Michele Scarano, Busacca Paolo, Dattilo Giuseppe
INTRODUCTION: Cardiac arrhythmias are challenging diseases in childhood. Most of them in pediatric subjects (90.2%) are atrioventricular reentrant tachycardias and atrioventricular nodal reentrant tachycardias. The standard 12-lead ECG is a highly accurate diagnostic tool but an invasive electrophysiological study is often required. The main concern about this kind of procedures is their invasive nature and the need of radiations, so antiarrhythmic agents are currently the first line therapy...
July 5, 2017: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/28620754/variation-in-pediatric-post-ablation-care-a%C3%A2-survey-of-the-pediatric-and%C3%A2-congenital-electrophysiology-society-paces
#17
Brynn E Dechert, Macdonald Dick, David J Bradley, Martin J LaPage
Although catheter ablation is a standard treatment for pediatric arrhythmias, there are no consensus guidelines for follow-up care. This study describes the variation in post-ablation practices identified through a survey of the pediatric and congenital electrophysiology society (PACES). Pediatric and congenital electrophysiology society members were invited to participate in an online survey of post-ablation practices in September 2014. Survey questions targeted routine post-ablation practices for three common arrhythmia substrates: atrioventricular nodal reentry tachycardia, concealed accessory pathways (AP), and manifest APs...
August 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28604577/pain-after-cochlear-implantation-an-unusual-complication
#18
Charlotte Celerier, Isabelle Rouillon, Marion Blanchard, Marine Parodi, Françoise Denoyelle, Natalie Loundon
OBJECTIVE: To analyze clinical signs and better define the underestimated long-term pain after implantation, to discuss etiological hypothesis, and to propose our department treatment algorithm and results. STUDY DESIGN AND SETTING: Retrospective review of children implanted with complaints of atypical pain in the area of device implantation, not in the immediate postoperative period, more than or equal to 4 on the Visual Analog Pain Scale (VAPS: 0-10) in the ENT pediatric department of Trousseau and Necker Enfants Malades Hospitals between 1998 and 2015...
August 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28589518/forty-years-of-sodium-channels-structure-function-pharmacology-and-epilepsy
#19
William A Catterall
Voltage-gated sodium channels initiate action potentials in brain neurons. In the 1970s, much was known about the function of sodium channels from measurements of ionic currents using the voltage clamp method, but there was no information about the sodium channel molecules themselves. As a postdoctoral fellow and staff scientist at the National Institutes of Health, I developed neurotoxins as molecular probes of sodium channels in cultured neuroblastoma cells. During those years, Bruce Ransom and I crossed paths as members of the laboratories of Marshall Nirenberg and Philip Nelson and shared insights about sodium channels in neuroblastoma cells from my work and electrical excitability and synaptic transmission in cultured spinal cord neurons from Bruce's pioneering electrophysiological studies...
June 7, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28571426/versatile-synchronized-real-time-meg-hardware-controller-for-large-scale-fast-data-acquisition
#20
Limin Sun, Menglai Han, Kevin Pratt, Douglas Paulson, Christoph Dinh, Lorenz Esch, Yoshio Okada, Matti Hämäläinen
Versatile controllers for accurate, fast, and real-time synchronized acquisition of large-scale data are useful in many areas of science, engineering, and technology. Here, we describe the development of a controller software based on a technique called queued state machine for controlling the data acquisition (DAQ) hardware, continuously acquiring a large amount of data synchronized across a large number of channels (>400) at a fast rate (up to 20 kHz/channel) in real time, and interfacing with applications for real-time data analysis and display of electrophysiological data...
May 2017: Review of Scientific Instruments
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