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https://www.readbyqxmd.com/read/28530213/-the-model-of-perioperative-risk-assessment-in-elderly-patients-interim-analysis
#1
Izabela Grabowska, Lucyna Ścisło, Szymon Pietruszka, Elzbieta Walewska, Agata Paszko, Benita Siarkiewicz, Piotr Richter, Andrzej Budzyński, Antoni M Szczepanik
Demographic changes in contemporary society require implementation of proper perioperative care of elderly patients due to an increased risk of perioperative complications in this group. Preoperative assessment of health status identifies risks and enables preventive interventions, improving outcomes of surgical treatment. The Comprehensive Geriatric Assessment contains numerous diagnostic tests and consultations, which is expensive and difficult to use in everyday practice. The development of a simplified model of perioperative assessment of elderly patients will help identifying the group of patients who require further diagnostic workup...
April 21, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28529635/synthesis-of-5-18-f-fluoro-%C3%AE-methyl-tryptophan-new-trp-based-pet-agents
#2
Benjamin C Giglio, Haiyang Fei, Mengzhe Wang, Hui Wang, Liu He, Huijuan Feng, Zhanhong Wu, Hongjian Lu, Zibo Li
Indoleamine 2,3-dioxygenase (IDO1) plays a special role in the biology of various cancer types, because it breaks down the essential amino acid tryptophan for immune cell activation. Upregulation of IDO1 significantly correlates with the number of various T cell types in tumor tissues in melanoma and other cancers, suggesting that IDO expression is linked with effective and ineffective ('exhausted') immune response in cancer. Based on the reported IDO inhibitors (α-Methylated and indole-N-methylated tryptophan (Trp)), here we report the synthesis of potential IDO1 imaging agents through direct introduction of (18)F into the tryptophan aromatic ring...
2017: Theranostics
https://www.readbyqxmd.com/read/28515601/quality-indicators-compliance-survey-in-indian-intensive-care-units
#3
Munta Kartik, Palepu B N Gopal, Rahul Amte
CONTEXT: The quality of health care and outcomes of Intensive Care Unit (ICU) have been a major subject of discussion in the past decade. Quality indicators in ICUs maintain an order of uniformity and standard care of delivery across ICUs. AIMS: In this study, we tried to analyze the percentage compliance of quality indicators in ICU across our country. METHODS: Four hundred complete questionnaire forms were collected in two stages by means of conducting a survey and through email responses to the survey questionnaire...
April 2017: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28510495/fatigue-in-younger-and-older-drivers-effectiveness-of-an-alertness-maintaining-task
#4
Woojin Song, Fu L Woon, Alice Doong, Carol Persad, Louis Tijerina, Pooja Pandit, Carol Cline, Bruno Giordani
OBJECTIVE: The aim of this study was to examine the effects of an alertness maintaining task (AMT) in older, fatigued drivers. BACKGROUND: Fatigue during driving increases crash risk, and previous research suggests that alertness and driving in younger adults may be improved using a secondary AMT during boring, fatigue-eliciting drives. However, the potential impact of an AMT on driving has not been investigated in older drivers whose ability to complete dual tasks has been shown to decline and therefore may be negatively affected with an AMT in driving...
May 1, 2017: Human Factors
https://www.readbyqxmd.com/read/28499834/n-stearoyltyrosine-protects-primary-cortical-neurons-against-oxygen-glucose-deprivation-induced-apoptosis-through-inhibiting-anandamide-inactivation-system
#5
Heng-Jing Cui, Sha Liu, Rui Yang, Guo-Hui Fu, Yang Lu
N-stearoylthrosine (NST), a synthesized anandamide (AEA) analogue, plays a neuroprotective role in neurodegenerative diseases and cerebrovascular diseases. Several studies have demonstrated that the endocannabinoids systems (ECS) are involved in the neuroprotective effects against cerebral ischemic injury. Oxygen-glucose deprivation (OGD)-induced neuronal injury elevated the levels of endocannabinoids and activated ECS. This research was conducted to investigate the neuroprotective effect of NST against OGD-induced neuronal injury in cultured primary cortical neurons and the potential mechanism involved...
May 9, 2017: Neuroscience Research
https://www.readbyqxmd.com/read/28492281/c-elegans-chromosomes-connect-to-centrosomes-by-anchoring-into-the-spindle-network
#6
Stefanie Redemann, Johannes Baumgart, Norbert Lindow, Michael Shelley, Ehssan Nazockdast, Andrea Kratz, Steffen Prohaska, Jan Brugués, Sebastian Fürthauer, Thomas Müller-Reichert
The mitotic spindle ensures the faithful segregation of chromosomes. Here we combine the first large-scale serial electron tomography of whole mitotic spindles in early C. elegans embryos with live-cell imaging to reconstruct all microtubules in 3D and identify their plus- and minus-ends. We classify them as kinetochore (KMTs), spindle (SMTs) or astral microtubules (AMTs) according to their positions, and quantify distinct properties of each class. While our light microscopy and mutant studies show that microtubules are nucleated from the centrosomes, we find only a few KMTs directly connected to the centrosomes...
May 11, 2017: Nature Communications
https://www.readbyqxmd.com/read/28490757/transcriptome-and-metabolite-analysis-identifies-nitrogen-utilization-genes-in-tea-plant-camellia-sinensis
#7
Wei Li, Fen Xiang, Micai Zhong, Lingyun Zhou, Hongyan Liu, Saijun Li, Xuewen Wang
Applied nitrogen (N) fertilizer significantly increases the leaf yield. However, most N is not utilized by the plant, negatively impacting the environment. To date, little is known regarding N utilization genes and mechanisms in the leaf production. To understand this, we investigated transcriptomes using RNA-seq and amino acid levels with N treatment in tea (Camellia sinensis), the most popular beverage crop. We identified 196 and 29 common differentially expressed genes in roots and leaves, respectively, in response to ammonium in two tea varieties...
May 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28482134/adipocyte-myofibroblast-transition-as-a-possible-pathophysiological-step-in-androgenetic-alopecia
#8
Ilja L Kruglikov, Philipp E Scherer
Appearance of local fibrotic structures around and beneath hair follicles during their involution is a known hallmark of androgenetic alopecia (AGA). We hypothesize that this fibrosis can be connected with recently uncovered adipocyte-myofibroblast transition (AMT) involving the dermal adipocytes. This reflects that AMT is at least partially androgen-dependent, and we propose that AMT may play a role in AGA. This article is protected by copyright. All rights reserved.
May 8, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/28473764/paired-associative-stimulation-targeting-the-tibialis-anterior-muscle-using-either-mono-or-biphasic-transcranial-magnetic-stimulation
#9
Natalie Mrachacz-Kersting, Andrew J T Stevenson
Paired associative stimulation (PAS) protocols induce plastic changes within the motor cortex. The objectives of this study were to investigate PAS effects targeting the tibialis anterior (TA) muscle using a biphasic transcranial magnetic stimulation (TMS) pulse form and, to determine whether a reduced intensity of this pulse would lead to significant changes as has been reported for hand muscles using a monophasic TMS pulse. Three interventions were investigated: (1) suprathreshold PAbi-PAS (n = 11); (2) suprathreshold PAmono-PAS (n = 11) where PAS was applied using a biphasic or monophasic pulse form at 120% resting motor threshold (RMT); (3) subthreshold PAbi-PAS (n = 10) where PAS was applied as for (1) at 95% active motor threshold (AMT)...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28472731/online-test-purchased-new-psychoactive-substances-in-5-different-european-countries-a-snapshot-study-of-chemical-composition-and-price
#10
Tibor Markus Brunt, Amanda Marie Atkinson, Thomas Nefau, Magali Martinez, Emmanuel Lahaie, Artur Malzcewski, Martin Pazitny, Vendula Belackova, Simon D Brandt
BACKGROUND: New psychoactive substances (NPS) are on offer worldwide online, in order to shed light on the purity and price of these substances in the European Union, a research collaboration was set up involving France, United Kingdom (UK), the Netherlands, Czech Republic and Poland. METHODS: Per country, around 10 different NPS were test purchased from different webshops. Then, chemical analysis of NPS was done with according reference standards to identify and quantify the contents...
May 1, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/28470139/reduced-specificity-and-enhanced-subjective-experience-of-future-thinking-in-ageing-the-influence-of-avoidance-and-emotion-regulation-strategies
#11
Sabrina Jumentier, Catherine Barsics, Martial Van der Linden
Future thinking in older adults is characterised by a lack of specificity of imagined events and by an equal or even higher subjective experience, compared to younger adults. We considered whether this lack of specificity stemmed partly from the avoidance of a somewhat disturbing future and then examined the extent to which certain types of emotion-regulation strategies, namely positive reappraisal and positive refocusing, contributed to the subjective experience of future thinking. Middle-aged and older adults completed an adapted version of the AMT, in which temporal distance and cue word valence were manipulated, thus resulting in future conditions assumed to represent varying degrees of discomfort...
May 4, 2017: Memory
https://www.readbyqxmd.com/read/28462797/d-glyceric-aciduria-does-not-cause-nonketotic-hyperglycinemia-a-historic-co-occurrence
#12
Michael A Swanson, Stephanie M Garcia, Elaine Spector, Kathryn Kronquist, Geralyn Creadon-Swindell, Melanie Walter, Ernst Christensen, Johan L K Van Hove, Jörn Oliver Sass
Historically, d-glyceric aciduria was thought to cause an uncharacterized blockage to the glycine cleavage enzyme system (GCS) causing nonketotic hyperglycinemia (NKH) as a secondary phenomenon. This inference was reached based on the clinical and biochemical results from the first d-glyceric aciduria patient reported in 1974. Along with elevated glyceric acid excretion, this patient exhibited severe neurological symptoms of myoclonic epilepsy and absent development, and had elevated glycine levels and decreased glycine cleavage system enzyme activity...
April 20, 2017: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/28450179/amniotic-membrane-transplants-in-the-pediatric-population
#13
Mariam S Ahmad, Garett S Frank, Eric M Hink, Alan G Palestine, Darren G Gregory, Emily A McCourt
PURPOSE: To investigate the indications for and results of amniotic membrane transplantation (AMT) for the treatment of ocular disease in pediatric patients at a single institution. METHODS: The medical records of patients <18 years of age who underwent AMT for ocular disease between January 1, 2003, and September 1, 2015, were reviewed retrospectively. Patients were determined to have reached a clinical endpoint if there was resolution of the ocular condition being treated after AMT placement, no additional surgery required for treatment of the ocular condition, and no active disease at most recent follow-up...
April 24, 2017: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28442633/positive-end-expiratory-pressure-effect-of-3-high-flow-nasal-cannula-devices
#14
Jing-Chao Luo, Mei-Shan Lu, Zhi-Hong Zhao, Wei Jiang, Biao Xu, Li Weng, Tong Li, Bin Du
BACKGROUND: High-flow nasal cannula (HFNC) is supposed to provide additional PEEP compared with conventional oxygen therapy. However, the exact determinants of this PEEP effect are unclear. We investigated the factors that might affect the PEEP and compared PEEP performance among 3 HFNC devices. METHODS: Three available HFNC devices were evaluated: the AIRVO 2 device and 2 mechanical ventilators (SV300 and Monnal T75). A device consisting of a test lung (5600i) and an airway model (AMT(IE)) was used to simulate spontaneous breathing...
April 25, 2017: Respiratory Care
https://www.readbyqxmd.com/read/28438197/anti-malarial-landscape-in-myanmar-results-from-a-nationally-representative-survey-among-community-health-workers-and-the-private-sector-outlets-in-2015-2016
#15
Si Thu Thein, Hnin Su Su Khin, Aung Thi
BACKGROUND: In 2015/2016, an ACTwatch outlet survey was implemented to assess the anti-malarial and malaria testing landscape in Myanmar across four domains (Eastern, Central, Coastal, Western regions). Indicators provide an important benchmark to guide Myanmar's new National Strategic Plan to eliminate malaria by 2030. METHODS: This was a cross-sectional survey, which employed stratified cluster-random sampling across four regions in Myanmar. A census of community health workers (CHWs) and private outlets with potential to distribute malaria testing and/or treatment was conducted...
April 25, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28438145/insights-into-the-availability-and-distribution-of-oral-artemisinin-monotherapy-in-myanmar-evidence-from-a-nationally-representative-outlet-survey
#16
Si Thu Thein, Hnin Su Su Khin, Aung Thi
BACKGROUND: The containment of artemisinin resistance in Myanmar, historically an important probable origin and route of anti-malarial resistance to the India sub-continent and beyond, is crucial to global malaria control and elimination. This paper describes what is currently known about the sale and distribution of oral artemisinin monotherapy (AMT) across Myanmar, where this medicine is commonly found. METHODS: A nationally representative 2015 outlet survey was conducted in the private sector, and among community health workers across four geographical domains...
April 25, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28426442/amniotic-membrane-use-for-management-of-corneal-limbal-stem-cell-deficiency
#17
Alfonso L Sabater, Victor L Perez
PURPOSE OF REVIEW: The current article reviews the most recent surgical techniques for management of corneal limbal stem cell deficiency (LSCD) using amniotic membrane tissue. RECENT FINDINGS: Early successes with amniotic membrane transplantation (AMT) for the treatment of ocular surface disorders have encouraged clinicians to investigate new applications. The use of AMT as a temporary patch in emergency cases in which LSCD may develop has considerably improved the prognosis of these patients...
April 19, 2017: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/28403542/chiral-analysis-of-ammuxetine-enantiomers-in-dog-plasma-using-online-spe-liquid-chromatography-with-tandem-mass-spectrometric-detection-after-precolumn-chiral-derivatization
#18
Jimei Yu, Xin Li, Jiezhao Zhou, Xiangyang Xie, Meiling Chen, Xinhua He, Yang Yang, Youzhi Zhang, Aiping Zheng, Xingguo Mei, Ying Li
Ammuxetine (AMT), a novel chiral antidepressant candidate compound, exhibits better antidepression effects than duloxetine in different animal models. In this article, a chiral derivatization method, combined with online solid phase extraction (online SPE) and liquid chromatography-tandem mass spectrometry (LC-MS/MS), was developed for the chiral separation of AMT enantiomers after administration of racemic AMT to dogs. The derivatization reaction employed 2,3,4,6-tetra-O-acetyl-b-glucopyr-anosyl isothiocyanate (GITC) as a precolumn chiral derivatization reagent...
May 2017: Chirality
https://www.readbyqxmd.com/read/28399192/genome-wide-identification-classification-and-transcriptional-analysis-of-nitrate-and-ammonium-transporters-in-coffea
#19
Tiago Benedito Dos Santos, Joni Esrom Lima, Mariane Silva Felicio, João Danillo Moura Soares, Douglas Silva Domingues
Nitrogen (N) is quantitatively the main nutrient required by coffee plants, with acquisition mainly by the roots and mostly exported to coffee beans. Nitrate (NO3-) and ammonium (NH4+) are the most important inorganic sources for N uptake. Several N transporters encoded by different gene families mediate the uptake of these compounds. They have an important role in source preference for N uptake in the root system. In this study, we performed a genome-wide analysis, including in silico expression and phylogenetic analyses of AMT1, AMT2, NRT1/PTR, and NRT2 transporters in the recently sequenced Coffea canephora genome...
April 10, 2017: Genetics and Molecular Biology
https://www.readbyqxmd.com/read/28391536/plasma-homocysteine-levels-are-associated-with-macular-thickness-in-type-2-diabetes-without-diabetic-macular-edema
#20
Ning Dong, Hong Shi, Xin Tang
PURPOSE: To explore the relationships between macular thickness and the plasma concentrations of homocysteine, vitamin B12, folate, and other known risk factors for patients with diabetes without diabetic macular edema (DME). METHODS: Fasting venous blood samples were collected from 252 subjects (126 relatively healthy subjects with type 2 diabetes without diabetic macular edema and 126 age- and gender-matched controls). Measurement of macular thickness and volume was performed for those subjects using SD-OCT...
April 8, 2017: International Ophthalmology
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