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https://www.readbyqxmd.com/read/27916853/a-pilot-study-of-individual-muscle-force-prediction-during-elbow-flexion-and-extension-in-the-neurorehabilitation-field
#1
Jiateng Hou, Yingfei Sun, Lixin Sun, Bingyu Pan, Zhipei Huang, Jiankang Wu, Zhiqiang Zhang
This paper proposes a neuromusculoskeletal (NMS) model to predict individual muscle force during elbow flexion and extension. Four male subjects were asked to do voluntary elbow flexion and extension. An inertial sensor and surface electromyography (sEMG) sensors were attached to subject's forearm. Joint angle calculated by fusion of acceleration and angular rate using an extended Kalman filter (EKF) and muscle activations obtained from the sEMG signals were taken as the inputs of the proposed NMS model to determine individual muscle force...
November 29, 2016: Sensors
https://www.readbyqxmd.com/read/27909530/implantable-loop-recorder-diagnostic-yield-and-possible-therapeutic-effect-in-patients-with-neurally-mediated-reflex-syncope
#2
Unterhuber M, Rauhe W, Sgobino P, Pescoller F, Manfrin M, Tomaino M
Through a retrospective study concerning the experience of our center in patients affected by Neurally Mediated reflex Syncope (NMS) we wanted to verify not only the diagnostic yield of the Implantable Loop Recorder (ILR) but its possible placebo therapeutic effect. In the context of patients affected by a severe clinical presentation of NMS identified through a careful clinical evaluation, we selected those who followed a diagnostic iter using the ILR. We analysed 84 patients (39 male and 45 female, mean age 71 years), during the period 2009-2013...
August 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27909502/combined-diagnostic-yield-of-tilt-table-test-and-implantable-loop-recorder-to-identify-patients-affected-by-severe-clinical-presentation-of-neurally-mediated-reflex-syncope-who-could-respond-to-cardiac-pacing
#3
Tomaino M, Unterhuber M, Sgobino P, Pescoller F, Manfrin M, Rauhe W
In this study we wanted to verify the diagnostic value of tilt table test (TTT) to predict the efficacy of cardiac pacing (PM) for preventing recurrences of neurally mediated reflex syncope (NMS) in patients with cardioinhibitory activity (CI) documented by implantable loop recorder (ILR). Among patients selected by ILR in the context of severe clinical presentation of NMS, we analysed those who underwent PM implantation. In this observational and retrospective study we wanted to verify the results of TTT in the groups of treated patients with and without recurrences...
April 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27900856/nanocomposite-hydrogels-and-their-applications-in-tissue-engineering
#4
Andisheh Motealleh, Nermin Seda Kehr
Nanocomposite (NC) hydrogels, organic-inorganic hybrid materials, are of great interest as artificial three-dimensional (3D) biomaterials for biomedical applications. NC hydrogels are prepared in water by chemically or physically cross-linking organic polymers with nanomaterials (NMs). The incorporation of hard inorganic NMs into the soft organic polymer matrix enhances the physical, chemical, and biological properties of NC hydrogels. Therefore, NC hydrogels are excellent candidates for artificial 3D biomaterials, particularly in tissue engineering applications, where they can mimic the chemical, mechanical, electrical, and biological properties of native tissues...
November 30, 2016: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/27894687/reprint-of-biomonitoring-of-genotoxic-effects-for-human-exposure-to-nanomaterials-the-challenge-ahead
#5
REVIEW
Laetitia Gonzalez, Micheline Kirsch-Volders
Exposures to nanomaterials (NMs), with their specific physico-chemical characteristics, are likely to increase over the next years, as their production for industrial, consumer and medical applications is steadily rising. Therefore, there is an urgent need for the implementation of human biomonitoring studies of genotoxic effects after NM exposures in order to monitor and assure safety for workers and the general population. In this review, most commonly used biomarkers of early genetic effects were analyzed for their adequacy after NM exposures...
October 2016: Mutation Research
https://www.readbyqxmd.com/read/27893497/nurse-managers-speak-out-about-disruptive-nurse-to-nurse-relationships
#6
Linda Weaver Moore, Cynthia Sublett, Cathy Leahy
OBJECTIVE: The purpose of this study is to explore nurse managers' (NMs') perceptions regarding disruptive nurse-to-nurse relationships. BACKGROUND: Nurse managers play a pivotal role in creating and sustaining healthy practice environments. They must understand how to recognize and confront disruptive nurse relationships that can threaten the health of their units. METHODS: A qualitative study design using researcher-participant interviews of 13 NMs from 5 institutions provided data regarding NMs' views on nurse relationships...
January 2017: Journal of Nursing Administration
https://www.readbyqxmd.com/read/27876222/environmental-exposure-to-tio2-nanomaterials-incorporated-in-building-material
#7
Nathan Bossa, Perrine Chaurand, Clément Levard, Daniel Borschneck, Hélène Miche, Jérôme Vicente, Christophe Geantet, Olivier Aguerre-Chariol, F Marc Michel, Jérôme Rose
Nanomaterials are increasingly being used to improve the properties and functions of common building materials. A new type of self-cleaning cement incorporating TiO2 nanomaterials (TiO2-NMs) with photocatalytic properties is now marketed. This promising cement might provide air pollution-reducing properties but its environmental impact must be validated. During cement use and aging, an altered surface layer is formed that exhibits increased porosity. The surface layer thickness alteration and porosity increase with the cement degradation rate...
January 2017: Environmental Pollution
https://www.readbyqxmd.com/read/27872704/effects-of-sex-steroid-hormones-on-neuromedin-s-and-neuromedin-u2-receptor-expression-following-experimental-traumatic-brain-injury
#8
Mohammad Khaksari, Fatemeh Maghool, Gholamreza Asadikaram, Zahra Hajializadeh
OBJECTIVES: Neuroprotective effects of female gonadal steroids are mediated through several pathways involving multiple peptides and receptors after traumatic brain injury (TBI). Two of these peptides are including the regulatory peptides neuromedin U (NMU) and neuromedin S (NMS), and their common receptor neuromedin U2 receptor (NMUR2). This study investigates the effects of physiological doses of estradiol and progesterone on brain edema, NMS and NMU as well as NMUR2 expression following TBI...
October 2016: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/27866744/role-of-solution-chemistry-in-the-retention-and-release-of-graphene-oxide-nanomaterials-in-uncoated-and-iron-oxide-coated-sand
#9
Dengjun Wang, Chongyang Shen, Yan Jin, Chunming Su, Lingyang Chu, Dongmei Zhou
Understanding the fate and transport including remobilization of graphene oxide nanomaterials (GONMs) in the subsurface would enable us to expedite their benign use and evaluate their environmental impacts and health risks. In this study, the retention and release of GONMs were investigated in water-saturated columns packed with uncoated sand (Un-S) or iron oxide-coated sand (FeS) at environmentally relevant solution chemistries (1-100mM KCl and 0.1-10mM CaCl2 at pH7 and 11). Our results showed that increasing ionic strength (IS) inhibited GONMs' transport, and the impact of K(+) was less than Ca(2+)...
November 17, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27863115/reversible-splenial-lesion-syndrome-with-a-hyperosmolar-hyperglycemic-state-and-neuroleptic-malignant-syndrome-caused-by-olanzapine
#10
Kenta Kaino, Ryo Kumagai, Shoko Furukawa, Momoko Isono, Aiko Muramatsu, Masanao Fujii, Yumiko Muta, Tomoyuki Asada, Kazuya Fujihara, Hiroaki Yagyu
A 27-year-old woman with panic disorder taking 20 mg olanzapine daily for 4 months was admitted to our hospital because of disturbed consciousness with fever, hyperglycemia, hyperosmolarity, and elevated creatine phosphokinase. She was diagnosed with a hyperosmolar hyperglycemic state (HHS) and neuroleptic malignant syndrome (NMS). Brain magnetic resonance imaging (MRI) showed transiently restricted diffusion in the splenium of the corpus callosum (SCC), with a high signal intensity on diffusion-weighted imaging...
November 18, 2016: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/27848238/a-tractable-method-for-measuring-nanomaterial-risk-using-bayesian-networks
#11
Finbarr Murphy, Barry Sheehan, Martin Mullins, Hans Bouwmeester, Hans J P Marvin, Yamine Bouzembrak, Anna L Costa, Rasel Das, Vicki Stone, Syed A M Tofail
While control banding has been identified as a suitable framework for the evaluation and the determination of potential human health risks associated with exposure to nanomaterials (NMs), the approach currently lacks any implementation that enjoys widespread support. Large inconsistencies in characterisation data, toxicological measurements and exposure scenarios make it difficult to map and compare the risk associated with NMs based on physicochemical data, concentration and exposure route. Here we demonstrate the use of Bayesian networks as a reliable tool for NM risk estimation...
December 2016: Nanoscale Research Letters
https://www.readbyqxmd.com/read/27847251/removal-of-harmful-alga-chattonella-marina-by-recyclable-natural-magnetic-sphalerite
#12
Bo Wang, Dan Wu, Ka Him Chu, Liqun Ye, Ho Yin Yip, Zhonghua Cai, Po Keung Wong
Fish-killing harmful algal blooms (HABs) of Chattonella marina causes serious hazards and risks to fish farming and environment throughout the world. At present, it is necessary to explore cost-effective and recyclable materials for controlling C. marina blooms to reduce the cost and control the potential side effect to the environment. A novel earth-abundant natural magnetic sphalerite (NMS) for removing C. marina was systematically investigated, including the effect of NMS dosage, temperature, pH and salinity on algal removal efficiency...
November 9, 2016: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/27834732/oxidant-generation-dna-damage-and-cytotoxicity-by-a-panel-of-engineered-nanomaterials-in-three-different-human-epithelial-cell-lines
#13
Waluree Thongkam, Kirsten Gerloff, Damien van Berlo, Catrin Albrecht, Roel P F Schins
Due to the steeply increased use of nanomaterials (NMs) for commercial and industrial applications, toxicological assessment of their potential harmful effects is urgently needed. In this study, we compared the DNA-damaging properties and concurrent cytotoxicity of a panel of 10 engineered NMs in three different cell lines in relation to their intrinsic oxidant generating properties. The human epithelial cell lines A549, HK-2 and HepG2 were chosen to represent relevant target organs for NMs in the lung, kidney and liver...
November 10, 2016: Mutagenesis
https://www.readbyqxmd.com/read/27824784/use-of-expert-consultation-in-a-complex-case-of-neuroleptic-malignant-syndrome-requiring-electroconvulsive-therapy
#14
Justine Wittenauer Welsh, A Umair Janjua, Steven J Garlow, Laurie McCormick, Mustafa M Husain, Daniel F Maixner, Richard D Weiner, Adriana P Hermida
Our team at Emory University Hospital contacted experts at the National Network of Depression Centers (NNDC) for clinical guidance concerning a patient with schizophrenia hospitalized in the intensive care unit with a complex case of prolonged delirium secondary to neuroleptic malignant syndrome (NMS). Through the NNDC, leading psychiatrists across the United States with expertise in electroconvulsive therapy (ECT) provided us with treatment strategies based on experience in our area of concern. This report describes our use of ECT to treat severe NMS in this patient with schizophrenia, utilizing the recommendations made by the NNDC's ECT experts concerning electrode position, number and frequency of treatments, and selection of anesthetic induction agents...
November 2016: Journal of Psychiatric Practice
https://www.readbyqxmd.com/read/27823833/prevalence-and-risk-factors-for-visual-hallucinations-in-chinese-patients-with-parkinson-s-disease
#15
Jun Zhu, Bo Shen, Liyu Lu, Wenya Lan, Yang Pan, Lili Zhang, Jingde Dong, Min Wang, Li Zhang
BACKGROUND AND PURPOSE: Parkinson's disease (PD) patients frequently present visual hallucinations (VHs)·The determinants of VHs in Chinese PD patients remain largely unknown. The aim of this study was to illuminate the prevalence and clinical correlates of VHs in the Chinese population with PD. METHODS: A total of 371 consecutive, idiopathic PD patients were recruited into the study. Patients were categorized as hallucinators and nonhallucinators according to Movement Disorder Society-sponsored revision of the Unified Parkinson's Disease Rating Scale (MDS-UPDRS)...
October 27, 2016: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/27819413/the-kmds-nation-study-korean-movement-disorders-society-multicenter-assessment-of-non-motor-symptoms-and-quality-of-life-in-parkinson-s-disease-nation-study-group
#16
Do Young Kwon, Seong Beom Koh, Jae Hyeok Lee, Hee Kyung Park, Han Joon Kim, Hae Won Shin, Jinyoung Youn, Kun Woo Park, Sun Ah Choi, Sang Jin Kim, Seong Min Choi, Ji Yun Park, Beom S Jeon, Ji Young Kim, Sun Ju Chung, Chong Sik Lee, Jeong Ho Park, Tae Beom Ahn, Won Chan Kim, Hyun Sook Kim, Sang Myung Cheon, Hee Tae Kim, Jee Young Lee, Ji Sun Kim, Eun Joo Kim, Jong Min Kim, Kwang Soo Lee, Joong Seok Kim, Min Jeong Kim, Jong Sam Baik, Ki Jong Park, Hee Jin Kim, Mee Young Park, Ji Hoon Kang, Sook Kun Song, Yong Duk Kim, Ji Young Yun, Ho Won Lee, Hyung Geun Oh, Jinwhan Cho, In Uk Song, Young H Sohn, Phil Hyu Lee, Jae Woo Kim
BACKGROUND AND PURPOSE: Nonmotor symptoms (NMS) in Parkinson's disease (PD) have multisystem origins with heterogeneous manifestations that develop throughout the course of PD. NMS are increasingly recognized as having a significant impact on the health-related quality of life (HrQoL). We aimed to determine the NMS presentation according to PD status, and the associations of NMS with other clinical variables and the HrQoL of Korean PD patients. METHODS: We surveyed patients in 37 movement-disorders clinics throughout Korea...
October 2016: Journal of Clinical Neurology
https://www.readbyqxmd.com/read/27815171/3-iodothyronamine-t1am-a-novel-antagonist-of-muscarinic-receptors
#17
Annunziatina Laurino, Rosanna Matucci, Giulio Vistoli, Laura Raimondi
3-iodothyronamine (T1AM) is a trace amine suspected to derive from thyroid hormone metabolism. T1AM was described as a ligand of G-protein coupled monoaminergic receptors, including trace amine associated receptors, suggesting the amine may exert a modulatory role on the monoaminergic transmission. Nothing is known on the possibility that T1AM could also modulate the cholinergic transmission interacting with muscarinic receptors. We evaluated whether T1AM (10nM-100μM) was able to i) displace [(3)H]-NMS (0...
December 15, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/27814243/nanomaterials-vs-ambient-ultrafine-particles-an-opportunity-to-exchange-toxicology-knowledge
#18
REVIEW
Vicki Stone, Mark R Miller, Martin J D Clift, Alison Elder, Nicholas L Mills, Peter Møller, Roel P F Schins, Ulla Vogel, Wolfgang G Kreyling, Keld Alstrup Jensen, Thomas A J Kuhlbusch, Per E Schwarze, Peter Hoet, Antonio Pietroiusti, Andrea De Vizcaya-Ruiz, Armelle Baeza-Squiban, C Lang Tran, Flemming R Cassee
BACKGROUND: A rich literature exists that has demonstrated adverse human health effects following exposure to ambient air particulate matter (PM), with strong support for an important role for ultrafine (nano-sized) particles. At present, relatively little human health or epidemiology data exists for engineered nanomaterials (NM) despite clear parallels in their physicochemical properties and biological actions in in vitro models. OBJECTIVES: NMs are available in a range of physicochemical characteristics which allow a more systematic toxicological analysis...
November 4, 2016: Environmental Health Perspectives
https://www.readbyqxmd.com/read/27813321/towards-a-new-paradigm-in-nano-genotoxicology-facing-complexity-of-nanomaterials-cellular-interactions-and-effects
#19
Laetitia Gonzalez, Enrico Cundari, Luc Leyns, Micheline Kirsch-Volders
Changes in paradigm contribute to advances in research. The current paradigms for the evaluation of toxicity of chemicals refer to linear or curvilinear dose-response curves with or without threshold and to surface-dependent induction of oxidative damage for particles. The unique physico-chemical properties and biological/genotoxic activity of engineered nanomaterials (NMs) require the development of a new paradigm. Because of their unusual dosimetry and their multiple interactions at NM level (agglomeration/ aggregation) and at different cellular and extra-cellular levels, NMs are likely to have complex modes of action (multiple hits at multiple targets) leading to complex thresholded - non-thresholded dose-response curves...
November 4, 2016: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/27800022/evidence-for-the-use-of-pimavanserin-in-the-treatment-of-parkinson-s-disease-psychosis
#20
REVIEW
Harini Sarva, Claire Henchcliffe
Parkinson's disease (PD) is a progressive neurodegenerative disorder with both motor and nonmotor symptoms (NMS), leading to significant morbidity and caregiver burden. Psychosis is common but is under recognized by physicians. When present, it increases the patient's risk of hospitalization and nursing home placement and caregiver burden. Although the atypical antipsychotic agent, clozapine, has been considered the gold standard treatment, severe agranulocytosis in 0.38% of patients and more commonly milder leukopenia, resulting in frequent blood testing, limit its use...
November 2016: Therapeutic Advances in Neurological Disorders
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