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https://www.readbyqxmd.com/read/28303200/atypical-neuroleptic-malignant-syndrome-associated-with-use-of-clozapine
#1
Quevedo-Florez Leonardo, Granada-Romero Juliana, Camargo-Arenas Juan Fernando
The Neuroleptic Malignant Syndrome (NMS) is a medical emergency of infrequent presentation in the emergency department, which is associated with the use of psychiatric drugs, such as typical and atypical antipsychotics. Our case addresses a 55-year-old patient diagnosed with undifferentiated schizophrenia for 10 years, who had been receiving clozapine and clonazepam as part of their treatment. This patient presents the symptoms of Neuroleptic Malignant Syndrome without fever, which improves with treatment especially with the withdrawal of clozapine...
2017: Case Reports in Emergency Medicine
https://www.readbyqxmd.com/read/28296737/incidence-influencing-factors-and-prognostic-impact-of-intraoperative-massive-blood-loss-in-adolescents-with-neuromuscular-scoliosis-a-strobe-compliant-retrospective-observational-analysis
#2
Rui Jia, Na Li, Bi-Yun Xu, Wei Zhang, Xiao-Ping Gu, Zheng-Liang Ma
Factors influencing massive blood loss for neuromuscular scoliosis (NMS) patients.Despite advances in surgical and anesthetic techniques, scoliosis surgery is still associated with intraoperative massive blood loss, which can result in postoperative mortality and morbidity. The aim of this study was to assess the incidence, influencing factors, and prognostic impact of intraoperative massive blood loss in adolescents with NMS.A retrospective review of adolescents who underwent posterior spinal instrumentation and fusion for NMS was performed...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28292181/synthesis-structure-characterization-and-evaluation-in-microglia-cultures-of-neuromelanin-analogues-suitable-for-modeling-parkinson-s-disease
#3
Emanuele Ferrari, Andrea Capucciati, Ilaria Prada, Fabio Andrea Zucca, Giulia D'Arrigo, Daniele Pontiroli, Maria Grazia Bridelli, Michela Sturini, Luigi Bubacco, Enrico Monzani, Claudia Verderio, Luigi Zecca, Luigi Casella
In the substantia nigra of human brain, neuromelanin (NM) released by degenerating neurons can activate microglia with consequent neurodegeneration, typical of Parkinson's disease (PD). Synthetic analogues of NM were prepared to develop a PD model reproducing the neuropathological conditions of the disease. Soluble melanin-protein conjugates were obtained by melanization of fibrillated β-lactoglobulin (fLG). The melanic portion of the conjugates contains either eumelanic (EufLG) or mixed eumelanic/pheomelanic composition (PheofLG), the latter better simulating natural NMs...
March 15, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28282135/silver-nanoparticles-and-metallic-silver-interfere-with-the-griess-reaction-reduction-of-azo-dye-formation-via-a-competing-sandmeyer-like-reaction
#4
Angela Kämpfer, Rita La Spina, Douglas Gilliland, Sandro Valzacchi, David Asturiol, Vicki Stone, Agnieszka Kinsner-Ovaskainen
Silver (Ag) is the most common nanomaterial (NM) in consumer products. Much research has been focused on elucidating the potential impact of Ag-containing NMs on human health, e.g., cytotoxicity, genotoxicity, or proinflammatory responses. In the case of proinflammatory responses, a frequently used end point is the induction of nitric oxide (NO), which is indirectly quantified as nitrite (NO2(-)) with the Griess reaction. After preliminary studies in a macrophage-like cell culture system showed anomalous false negative results in the presence of silver nanoparticles (Ag NPs), we studied the influence of Ag on the detection of NO2(-) in a cell-free environment...
March 24, 2017: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/28279596/clinical-manifestations-of-nonmotor-symptoms-in-1021-japanese-parkinson-s-disease-patients-from-35-medical-centers
#5
Tetsuya Maeda, Yasushi Shimo, Shih-Wei Chiu, Takuhiro Yamaguchi, Kenichi Kashihara, Yoshio Tsuboi, Masahiro Nomoto, Nobutaka Hattori, Hirohisa Watanabe, Hidemoto Saiki
INTRODUCTION: We aimed to investigate the prevalence and severity of nonmotor symptoms (NMSs) and to identify factors affecting NMSs and the health-related quality of life of Japanese patients with Parkinson's disease (PD). METHODS: A total of 1021 patients with PD who had one or more NMS and showed wearing-off under anti-parkinsonian treatment were enrolled from 35 medical centers in Japan for this observational study. The primary measurements were the Movement Disorder Society unified Parkinson's disease rating scale (MDS-UPDRS) part I and the Parkinson's Disease Questionnaire (PDQ-8)...
February 21, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28275945/enrichment-culture-and-identification-of-endophytic-methanotrophs-isolated-from-peatland-plants
#6
Zofia Stępniewska, Weronika Goraj, Agnieszka Kuźniar, Natalia Łopacka, Magdalena Małysza
Aerobic methane-oxidizing bacteria (MOB) are an environmentally significant group of microorganisms due to their role in the global carbon cycle. Research conducted over the past few decades has increased the interest in discovering novel genera of methane-degrading bacteria, which efficiently utilize methane and decrease the global warming effect. Moreover, methanotrophs have more promising applications in environmental bioengineering, biotechnology, and pharmacy. The investigations were undertaken to recognize the variety of endophytic methanotrophic bacteria associated with Carex nigra, Vaccinium oxycoccus, and Eriophorum vaginatum originating from Moszne peatland (East Poland)...
March 9, 2017: Folia Microbiologica
https://www.readbyqxmd.com/read/28274871/an-improved-high-efficiency-assay-for-assessing-serum-anticholinergic-activity-using-cultured-cells-stably-expressing-m1-receptors
#7
José N Nobrega, Roger J Raymond, Bruce G Pollock
Assessments of total anticholinergic activity (SAA) in serum are of considerable interest for its potential involvement in cognitive impairment associated with polydrug states in the elderly and other populations. Such estimations have been based on the displacement of radioligand binding in rat brain tissues. The validity of such measurements has been questioned, as a potentially distorting effect of large serum proteins was identified. We sought to develop a modified assay that would be more efficient and free of this potential confound...
March 6, 2017: Journal of Pharmacological and Toxicological Methods
https://www.readbyqxmd.com/read/28273583/global-dna-methylation-and-oxidative-stress-biomarkers-in-workers-exposed-to-metal-oxide-nanoparticles
#8
Saou-Hsing Liou, Wei-Te Wu, Hui-Yi Liao, Chao-Yu Chen, Cheng-Yen Tsai, Wei-Ting Jung, Hui-Ling Lee
This is the first study to assess global methylation, oxidative DNA damage, and lipid peroxidation in workers with occupational exposure to metal oxide nanomaterials (NMs). Urinary and white blood cell (WBC) 8-hydroxydeoxyguanosine (8-OHdG), and exhaled breath condensate (EBC) 8-isoprostane were measured as oxidative stress biomarkers. WBC global methylation was measured as an epigenetic alteration. Exposure to TiO2, SiO2, and indium tin oxide (ITO) resulted in significantly higher oxidative biomarkers such as urinary 8-OHdG and EBC 8-isoprostane...
February 24, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28271210/feeding-preference-and-sub-chronic-effects-of-zno-nanomaterials-in-honey-bees-apis-mellifera-carnica
#9
Gordana Glavan, Tamara Milivojević, Janko Božič, Kristina Sepčić, Damjana Drobne
The extensive production of zinc oxide (ZnO) nanomaterials (NMs) may result in high environmental zinc burdens. Honeybees need to have special concern due to their crucial role in pollination. Our previous study indicated that low concentrations of ZnO NMs, corresponding to 0.8 mg Zn/mL, have a neurotoxic potential for honeybees after a 10-day oral exposure. Present study was designed to investigate the effect of a short, dietary exposure of honeybees to ZnO NMs at concentrations 0.8-8 mg Zn/mL on consumption rate, food preference, and two enzymatic biomarkers-a stress-related glutathione S-transferase (GST) and the neurotoxicity biomarker acetylcholinesterase (AChE)...
March 7, 2017: Archives of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28269632/in-vitro-identification-of-shoulder-joint-and-muscle-dynamics-based-on-motion-capture-and-musculoskeletal-computation
#10
Akihiko Murai, Yusuke Kawano, Ko Ayusawa, Mitsunori Tada, Noboru Matsumura, Takeo Nagura
Dynamics properties of shoulder joint and muscle are experimentally identified under different musculoskeletal conditions for a digital human model with accurate dynamics. Passive swing motions of scapula and upper limb bones in cadaveric specimen with and without muscles are measured by an optical motion capture system. External forces that are applied to the scapula bone are simultaneously measured by a force plate. The dynamics identification process consists of 3 steps: 1) identify the inertial parameters of the cadaveric specimen with and without muscles respectively, 2) identify the viscosity of the glenohumeral joint from the specimen without muscles, and 3) identify the viscosity of the shoulder muscles from the specimen with muscles and the identified joint viscosity...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28260685/oxidative-stress-and-genotoxicity-of-an-organic-and-an-inorganic-nanomaterial-to-eisenia-andrei-sds-ddab-nano-vesicles-and-titanium-silicon-oxide
#11
Bruno Correia, Joana Lourenço, Sérgio Marques, Verónica Nogueira, Ana Gavina, Maria da Graça Rasteiro, Filipe Antunes, Sónia Mendo, Ruth Pereira
In the past few years the number of studies on the toxic effects of nanomaterials (NMs) in the environment increased significantly. Nonetheless, the data is still scarce, since there is a large number of NMs and new ones are being developed each day. Soils are extremely important for life, and are easily exposed to the released NMs, thus enhanced efforts are needed to study the impacts on soil biota. The objective of the present work was to determine if different concentrations of two NMs, one inorganic (TiSiO4) and other organic (nano-vesicles of sodium sodecyl sulfate/ didodecyl dimethylammonium bromide - SDS/DDAB), are genotoxic to soil invertebrates...
March 2, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28250995/malignant-catatonia-warrants-early-psychiatric-critical-care-collaborative-management-two-cases-and-literature-review
#12
Julia Park, Josh Tan, Sylvia Krzeminski, Maryam Hazeghazam, Meghana Bandlamuri, Richard W Carlson
Malignant catatonia (MC) is a life-threatening manifestation which can occur in the setting of an underlying neuropsychiatric syndrome or general medical illness and shares clinical and pathophysiological features and medical comorbidities with the Neuroleptic Malignant Syndrome (NMS). The subsequent diagnosis and definitive therapy of MC are typically delayed, which increases morbidity and mortality. We present two cases of MC and review recent literature of MC and NMS, illustrating factors which delay diagnosis and management...
2017: Case Reports in Critical Care
https://www.readbyqxmd.com/read/28239516/nonmotor-symptoms-in-primary-adult-onset-cervical-dystonia-and-blepharospasm
#13
Jing Yang, Na Shao, Wei Song, Qianqian Wei, Ruwei Ou, Ying Wu, Hui-Fang Shang
BACKGROUND: The nature and frequency of nonmotor symptoms in primary adult-onset cervical dystonia (CD) and blepharospasm (BSP) patients in Chinese populations remain unknown. METHODS: Hamilton's Depression Scale (HAMD), Hamilton's Anxiety Scale (HAMA), Addenbrooke's Cognitive Examination Revised (ACE-R), Pittsburgh Sleep Quality Index and Epworth Sleepiness Scale were used to evaluate NMS in 120 patients with primary focal adult-onset dystonia (60 with BSP and 60 with CD) and 60 age-, sex-, and education level- matched healthy controls (HCs)...
February 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28230930/in-silico-design-of-optimal-dissolution-kinetics-of-fe-doped-zno-nanoparticles-results-in-cancer-specific-toxicity-in-a-preclinical-rodent-model
#14
Bella B Manshian, Suman Pokhrel, Uwe Himmelreich, Kaido Tämm, Lauri Sikk, Alberto Fernández, Robert Rallo, Tarmo Tamm, Lutz Mädler, Stefaan J Soenen
Cancer cells have unique but widely varying characteristics that have proven them difficult to be treated by classical therapeutics and calls for novel and selective treatment options. Nanomaterials (NMs) have been shown to display biological effects as a function of their chemical composition, and the extent and exact nature of these effects can vary between different biological environments. Here, ZnO NMs are doped with increasing levels of Fe, which allows to finely tune their dissolution rate resulting in significant differences in their biological behavior on cancer or normal cells...
February 23, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28228566/reduced-cognitive-function-in-patients-with-parkinson-disease-and-obstructive-sleep-apnea
#15
Victoria P Mery, Priti Gros, Anne-Louise Lafontaine, Ann Robinson, Andrea Benedetti, R John Kimoff, Marta Kaminska
OBJECTIVE: To assess the association between obstructive sleep apnea (OSA) and nonmotor symptoms (NMS), including cognitive dysfunction, in patients with Parkinson disease (PD). METHODS: Patients with idiopathic PD, recruited from a movement disorder clinic, underwent overnight polysomnography. OSA was defined as an apnea-hypopnea index (AHI) ≥15/h. PD severity was assessed using the Hoehn & Yahr (H&Y) scale and the Movement Disorder Society Unified Parkinson's Disease Rating Scale (MDS-UPDRS)...
February 22, 2017: Neurology
https://www.readbyqxmd.com/read/28227890/in-vitro-identification-of-shoulder-joint-and-muscle-dynamics-based-on-motion-capture-and-musculoskeletal-computation
#16
Akihiko Murai, Yusuke Kawano, Ko Ayusawa, Mitsunori Tada, Noboru Matsumura, Takeo Nagura, Akihiko Murai, Yusuke Kawano, Ko Ayusawa, Mitsunori Tada, Noboru Matsumura, Takeo Nagura
Dynamics properties of shoulder joint and muscle are experimentally identified under different musculoskeletal conditions for a digital human model with accurate dynamics. Passive swing motions of scapula and upper limb bones in cadaveric specimen with and without muscles are measured by an optical motion capture system. External forces that are applied to the scapula bone are simultaneously measured by a force plate. The dynamics identification process consists of 3 steps: 1) identify the inertial parameters of the cadaveric specimen with and without muscles respectively, 2) identify the viscosity of the glenohumeral joint from the specimen without muscles, and 3) identify the viscosity of the shoulder muscles from the specimen with muscles and the identified joint viscosity...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28222537/timing-and-kinetics-of-nonmotor-fluctuations-in-advanced-parkinson-s-disease
#17
Christiana Ossig, Daniel Sippel, Mareike Fauser, Florin Gandor, Wolfgang H Jost, Georg Ebersbach, Alexander Storch
BACKGROUND: Nonmotor symptoms (NMS) are known to fluctuate together with motor oscillations in advanced PD, but their timing and kinetics remains enigmatic. OBJECTIVE: To evaluate timing and kinetics of NMS fluctuations. METHODS: Analysis of diary data from 17 fluctuating PD patients. Diaries were completed by rating NMS as absent (defined herein as NMS On state) or present (NMS Off state) and motor function for every hour for 5 consecutive days...
February 8, 2017: Journal of Parkinson's Disease
https://www.readbyqxmd.com/read/28216133/effects-of-copper-oxide-nanomaterials-cuonms-are-life-stage-dependent-full-life-cycle-in-enchytraeus-crypticus
#18
Rita C Bicho, Fátima C F Santos, Janeck J Scott-Fordsmand, Mónica J B Amorim
Copper oxide nanomaterials (CuONMs) have various applications in industry and enter the terrestrial environment, e.g. via sewage sludge. The effects of CuONMs and copper chloride (CuCl2) were studied comparing the standard enchytraeid reproduction test (ERT) and the full life cycle test (FLCt) with Enchytraeus crypticus. CuONMs mainly affected growth or juveniles' development, whereas CuCl2 mainly affected embryo development and/or hatching success and adults survival. Compared to the ERT, the FLCt allowed discrimination of effects between life stages and provided indication of the underlying mechanisms; further, the FLCt showed increased sensitivity, e...
February 16, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28198763/impact-of-role-stressors-on-the-health-of-nurse-managers-a-western-canadian-context
#19
Sonia A Udod, Greta Cummings, W Dean Care, Megan Jenkins
OBJECTIVE: A qualitative exploratory inquiry was used to understand nurse managers' (NMs') perceptions of their role stressors, coping strategies, and self-health related outcomes as a result of frequent exposure to stressful situations in their role. BACKGROUND: Strong nursing leadership is required for desirable staff, patient, and organizational outcomes. A stressed NM will negatively influence staff nurse satisfaction and retention, patient outcomes, and organizational performance...
March 2017: Journal of Nursing Administration
https://www.readbyqxmd.com/read/28198761/emotional-intelligence-of-nurse-managers-an-exploratory-study
#20
Patricia Prufeta
OBJECTIVE: The purposes of this study are to determine the level of emotional intelligence (EI) among nurse managers (NMs) in an academic medical center and determine the relationship of EI and demographic variables. BACKGROUND: Emotional intelligence is a concept that warrants further research in nursing because there is a huge gap in knowledge about nurse leaders' EI. METHODS: Data were collected from 38 NMs recruited from a large academic medical center in the Northeast...
March 2017: Journal of Nursing Administration
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