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https://www.readbyqxmd.com/read/28483253/the-effects-of-postnatal-phthalate-exposure-on-the-development-of-auditory-temporal-processing-in-rats
#1
Bong Jik Kim, Jungyoon Kim, Vanhnansy Keoboutdy, Ho-Jang Kwon, Seung-Ha Oh, Jae Yun Jung, Il Yong Park, Ki Chung Paik
OBJECTIVE: The central auditory pathway is known to continue its development during the postnatal critical periods and is shaped by experience and sensory inputs. Phthalate, a known neurotoxic material, has been reported to be associated with attention deficits in children, impacting many infant neurobehaviors. The objective of this study was to investigate the potential effects of neonatal phthalate exposure on the development of auditory temporal processing. METHODS: Neonatal Sprague-Dawley rats were randomly assigned into two groups: The phthalate group (n = 6), and the control group (n = 6)...
June 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28474098/reasoning-and-mathematical-skills-contribute-to-normatively-superior-decision-making-under-risk-evidence-from-the-game-of-dice-task
#2
Marie-Theres Pertl, Laura Zamarian, Margarete Delazer
In this study, we assessed to what extent reasoning improves performance in decision making under risk in a laboratory gambling task (Game of Dice Task-Double, GDT-D). We also investigated to what degree individuals with above average mathematical competence decide better than those with average mathematical competence. Eighty-five participants performed the GDT-D and several numerical tasks. Forty-two individuals were asked to calculate the probabilities and the outcomes associated with the different options of the GDT-D before performing it...
May 4, 2017: Cognitive Processing
https://www.readbyqxmd.com/read/28430836/test-retest-reliability-of-common-behavioral-decision-making-tasks
#3
Melissa T Buelow, Wesley R Barnhart
Objective: To examine test-retest reliability of common behavioral decision making tasks. Method: A total of 98 undergraduate students completed two administrations of the Iowa Gambling Task (IGT), Balloon Analogue Risk Task (BART), Columbia Card Task (CCT), and Game of Dice Task (GDT), three weeks apart. Results: The BART, CCT, and GDT showed moderately strong correlations across time. On the IGT, no correlations were seen between Time 1 Trials 1-40 and Time 2 performance; however, weak correlations were observed between Time 1 Trials 41-100 and Time 2 performance...
April 20, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/28419290/svmqa-support-vector-machine-based-protein-single-model-quality-assessment
#4
Balachandran Manavalan, Jooyoung Lee
Motivation: The accurate ranking of predicted structural models and selecting the best model from a given candidate pool remain as open problems in the field of structural bioinformatics. The quality assessment (QA) methods used to address these problems can be grouped into two categories: consensus methods and single-model methods. Consensus methods in general perform better and attain higher correlation between predicted and true quality measures. However, these methods frequently fail to generate proper quality scores for native-like structures which are distinct from the rest of the pool...
April 13, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28374872/influence-of-temporal-resolution-skills-in-speech-discrimination-abilities-of-older-subjects
#5
P G Nair, B M Basheer
Compromised temporal resolving power of the auditory system can be one of the main factors contributing to poor speech perception skills in the elderly. Very few of the earlier studies have systematically examined this aspect. Hence, the current study was designed with the following objectives: 1) To establish normative database of Gaps in Noise (GIN) test in elderly population in an Indian context. 2) To determine the relationship between speech discrimination skills and temporal resolution abilities in elderly individuals with normal hearing sensitivity...
February 2017: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/28358552/determinants-of-risk-taking-in-hiv-associated-neurocognitive-disorders
#6
Daniela Gomez, Christopher Power, M John Gill, Esther Fujiwara
OBJECTIVE: Decision-making involves fronto-striatal brain areas that are particularly vulnerable to the effects of HIV infection. Some studies report impaired decision-making in people with HIV/AIDS with past or present addictions and/or accompanying HIV-associated neurocognitive disorders (HAND). The authors investigated risk-based decision-making in HIV/AIDS, separating individuals with or without accompanying HAND. METHOD: A total of 288 HIV-infected persons underwent standardized neuropsychological testing...
March 30, 2017: Neuropsychology
https://www.readbyqxmd.com/read/28253353/effect-of-goal-directed-therapy-on-outcome-after-esophageal-surgery-a-quality-improvement-study
#7
Denise P Veelo, Mark I van Berge Henegouwen, Kirsten S Ouwehand, Bart F Geerts, Maarten C J Anderegg, Susan van Dieren, Benedikt Preckel, Jan M Binnekade, Suzanne S Gisbertz, Markus W Hollmann
BACKGROUND: Goal-directed therapy (GDT) can reduce postoperative complications in high-risk surgery patients. It is uncertain whether GDT has the same benefits in patients undergoing esophageal surgery. Goal of this Quality Improvement study was to evaluate the effects of a stroke volume guided GDT on post-operative outcome. METHODS AND FINDINGS: We compared the postoperative outcome of patients undergoing esophagectomy before (99 patients) and after (100 patients) implementation of GDT...
2017: PloS One
https://www.readbyqxmd.com/read/28178363/ranolazine-for-stable-angina-pectoris
#8
REVIEW
Carlos A Salazar, Juan E Basilio Flores, Liz E Veramendi Espinoza, Jhon W Mejia Dolores, Diego E Rey Rodriguez, César Loza Munárriz
BACKGROUND: Stable angina pectoris is a chronic medical condition with significant impact on mortality and quality of life; it can be macrovascular or microvascular in origin. Ranolazine is a second-line anti-anginal drug approved for use in people with stable angina. However, the effects of ranolazine for people with angina are considered to be modest, with uncertain clinical relevance. OBJECTIVES: To assess the effects of ranolazine on cardiovascular and non-cardiovascular mortality, all-cause mortality, quality of life, acute myocardial infarction incidence, angina episodes frequency and adverse events incidence in stable angina patients, used either as monotherapy or as add-on therapy, and compared to placebo or any other anti-anginal agent...
February 8, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28113294/topological-analysis-and-gaussian-decision-tree-effective-representation-and-classification-of-biosignals-of-small-sample-size
#9
Zhifei Zhang, Yang Song, Haochen Cui, Jayne Wu, Fernando Schwartz, Hairong Qi
GOAL: Bucking the trend of big data, in microdevice engineering, small sample size is common, especially when the device is still at the proof-of-concept stage. The small sample size, small inter-class variation, and large intra-class variation, have brought biosignal analysis new challenges. Novel representation and classification approaches need to be developed to effectively recognize targets of interests with the absence of a large training set. METHODS: Moving away from the traditional signal analysis in the spatiotemporal domain, we exploit the biosignal representation in the topological domain that would reveal the intrinsic structure of point clouds generated from the biosignal...
December 2, 2016: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28108318/response-inhibition-set-shifting-and-complex-executive-function-in-patients-with-chronic-lower-back-pain
#10
Rytis Masiliūnas, Dalia Vitkutė, Edgaras Stankevičius, Vaidas Matijošaitis, Kęstutis Petrikonis
OBJECTIVE: The aim of our study was to evaluate how response inhibition, set shifting, and complex executive function (represented by risky decision-making) are altered in chronic lower back pain patients. MATERIALS AND METHODS: A total of 29 patients with chronic lower back pain (CLBP >6 months) aged 49-69 years and 30 healthy volunteers matched for age, gender, and education were enrolled in a case-control study. The study was conducted in the Departments of Neurology and Neurosurgery of Panevėžys Regional Hospital, Lithuania...
January 2, 2017: Medicina
https://www.readbyqxmd.com/read/28074802/goal-directed-therapy-improves-the-outcome-of-high-risk-cardiac-patients-undergoing-off-pump-coronary-artery-bypass
#11
RANDOMIZED CONTROLLED TRIAL
Poonam Malhotra Kapoor, Rohan Magoon, Rajinder Singh Rawat, Yatin Mehta, Sameer Taneja, R Ravi, Milind P Hote
BACKGROUND: There has been a constant emphasis on developing management strategies to improve the outcome of high-risk cardiac patients undergoing surgical revascularization. The performance of coronary artery bypass surgery on an off-pump coronary artery bypass (OPCAB) avoids the risks associated with extra-corporeal circulation. The preliminary results of goal-directed therapy (GDT) for hemodynamic management of high-risk cardiac surgical patients are encouraging. The present study was conducted to study the outcome benefits with the combined use of GDT with OPCAB as compared to the conventional hemodynamic management...
January 2017: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/28065470/the-rare-variant-generalized-disequilibrium-test-for-association-analysis-of-nuclear-and-extended-pedigrees-with-application-to-alzheimer-disease-wgs-data
#12
Zongxiao He, Di Zhang, Alan E Renton, Biao Li, Linhai Zhao, Gao T Wang, Alison M Goate, Richard Mayeux, Suzanne M Leal
Whole-genome and exome sequence data can be cost-effectively generated for the detection of rare-variant (RV) associations in families. Causal variants that aggregate in families usually have larger effect sizes than those found in sporadic cases, so family-based designs can be a more powerful approach than population-based designs. Moreover, some family-based designs are robust to confounding due to population admixture or substructure. We developed a RV extension of the generalized disequilibrium test (GDT) to analyze sequence data obtained from nuclear and extended families...
February 2, 2017: American Journal of Human Genetics
https://www.readbyqxmd.com/read/27999663/implementation-of-goal-directed-fluid-therapy-during-hip-revision-arthroplasty-a-matched-cohort-study
#13
Marit Habicher, Felix Balzer, Viktor Mezger, Jennifer Niclas, Michael Müller, Carsten Perka, Michael Krämer, Michael Sander
BACKGROUND: Several randomized controlled trials (RCTs) have demonstrated that intraoperative goal-directed fluid therapy (GDFT) can decrease postsurgical complications in patients undergoing major abdominal surgery. However, very few studies have demonstrated the value of goal-directed therapy (GDT) in patients undergoing orthopaedic surgery and confirmed it is as useful in real-life conditions. Therefore, we initiated a GDFT implementation programme in patients undergoing hip revision arthroplasty in order to assess its effects on postoperative complications (e...
2016: Perioperative Medicine
https://www.readbyqxmd.com/read/27938662/transient-protein-protein-interactions-perturb-e-coli-metabolome-and-cause-gene-dosage-toxicity
#14
Sanchari Bhattacharyya, Shimon Bershtein, Jin Yan, Tijda Argun, Amy I Gilson, Sunia A Trauger, Eugene I Shakhnovich
Gene dosage toxicity (GDT) is an important factor that determines optimal levels of protein abundances, yet its molecular underpinnings remain unknown. Here, we demonstrate that overexpression of DHFR in E. coli causes a toxic metabolic imbalance triggered by interactions with several functionally related enzymes. Though deleterious in the overexpression regime, surprisingly, these interactions are beneficial at physiological concentrations, implying their functional significance in vivo. Moreover, we found that overexpression of orthologous DHFR proteins had minimal effect on all levels of cellular organization - molecular, systems, and phenotypic, in sharp contrast to E...
December 10, 2016: ELife
https://www.readbyqxmd.com/read/27936959/significance-of-perioperative-goal-directed-hemodynamic-approach-in-preventing-postoperative-complications-in-patients-after-cardiac-surgery-a-meta-analysis-and-systematic-review
#15
Peng Li, Li-Ping Qu, Dong Qi, Bo Shen, Yi-Mei Wang, Jia-Rui Xu, Wu-Hua Jiang, Hao Zhang, Xiao-Qiang Ding, Jie Teng
PURPOSE: Goal-directed hemodynamic therapy (GDT) is used to prevent hypoperfusion resulting from surgery. The objective of this study was to analyze the efficacy and importance of perioperative GDT. METHODS: PUBMED, MEDLINE, CENTRAL, and Google Scholar databases were searched until 17 June 2016 using the search terms: cardiac output, cardiac surgical procedures, hemodynamics, goal-directed therapy, and intraoperative. Randomized-controlled trials with pre-emptive hemodynamic intervention for cardiac surgical population versus standard hemodynamic therapy were included...
June 2017: Annals of Medicine
https://www.readbyqxmd.com/read/27931648/haemodynamic-coherence-in-perioperative-setting
#16
REVIEW
Andrea Carsetti, Ximena Watson, Maurizio Cecconi
Over the last decade, there has been an increased interest in the use of goal-directed therapy (GDT) in patients undergoing high-risk surgery, and various haemodynamic monitoring tools have been developed to guide perioperative care. Both the complexity of the patient and surgical procedure need to be considered when deciding whether GDT will be beneficial. Ensuring optimum tissue perfusion is paramount in the perioperative period and relies on the coherence between both macrovascular and microvascular circulations...
December 2016: Best Practice & Research. Clinical Anaesthesiology
https://www.readbyqxmd.com/read/27925584/topological-analysis-and-gaussian-decision-tree-effective-representation-and-classification-of-biosignals-of-small-sample-size
#17
Zhifei Zhang, Yang Song, Haochen Cui, Jayne Wu, Fernando Schwartz, Hairong Qi
GOAL: Bucking the trend of big data, in microdevice engineering, small sample size is common, especially when the device is still at the proof-of-concept stage. The small sample size, small inter-class variation, and large intra-class variation, have brought biosignal analysis new challenges. Novel representation and classification approaches need to be developed to effectively recognize targets of interests with the absence of a large training set. METHODS: Moving away from the traditional signal analysis in the spatiotemporal domain, we exploit the biosignal representation in the topological domain that would reveal the intrinsic structure of point clouds generated from the biosignal...
December 2, 2016: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/27885514/speech-evoked-auditory-brainstem-response-and-gap-detection-threshold-in-middle-aged-individual
#18
Himanshu Kumar Sanju, Vaishnavi Bohra, Sujeet Kumar Sinha
This study aimed at characterizing the gap detection threshold (GDT) and speech evoked ABR (SABR) in younger and middle-aged individuals. Two groups of subjects were participated in the study which includes 15 young adults in the age range of 15-25 years and 15 middle-aged individuals in the age range of 40-60 years. SABR with stimulus/da/of 40 ms and GDT were investigated on both groups. For SABR, Mann-Whitney U test revealed that ageing has significantly adverse effect on the encoding of F1 and F2 at brainstem level...
April 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/27849333/fibrates-for-primary-prevention-of-cardiovascular-disease-events
#19
REVIEW
Tobias Jakob, Alain J Nordmann, Stefan Schandelmaier, Ignacio Ferreira-González, Matthias Briel
BACKGROUND: Fibrates are effective for modifying atherogenic dyslipidaemia, and particularly for lowering serum triglycerides. However, evidence that fibrates reduce mortality and morbidity associated with cardiovascular disease (CVD), or overall mortality and morbidity, in the primary prevention of CVD is lacking. OBJECTIVES: This Cochrane Review and meta-analysis aimed to evaluate the clinical benefits and harms of fibrates versus placebo or usual care or fibrates plus other lipid-modifying drugs versus other lipid-modifying drugs alone for the primary prevention of cardiovascular disease (CVD) morbidity and mortality...
November 16, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27749055/use-of-restraints-from-consensus-fragments-of-multiple-server-models-to-enhance-protein-structure-prediction-capability-of-the-unres-force-field
#20
Magdalena A Mozolewska, Paweł Krupa, Bartłomiej Zaborowski, Adam Liwo, Jooyoung Lee, Keehyoung Joo, Cezary Czaplewski
Recently, we developed a new approach to protein-structure prediction, which combines template-based modeling with the physics-based coarse-grained UNited RESidue (UNRES) force field. In this approach, restrained multiplexed replica exchange molecular dynamics simulations with UNRES, with the C(α)-distance and virtual-bond-dihedral-angle restraints derived from knowledge-based models are carried out. In this work, we report a test of this approach in the 11th Community Wide Experiment on the Critical Assessment of Techniques for Protein Structure Prediction (CASP11), in which we used the template-based models from early-stage predictions by the LEE group CASP11 server (group 038, called "nns"), and further improvement of the method...
November 28, 2016: Journal of Chemical Information and Modeling
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