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https://www.readbyqxmd.com/read/28545075/an-improved-ant-colony-optimization-algorithm-with-fault-tolerance-for-job-scheduling-in-grid-computing-systems
#1
Hajara Idris, Absalom E Ezugwu, Sahalu B Junaidu, Aderemi O Adewumi
The Grid scheduler, schedules user jobs on the best available resource in terms of resource characteristics by optimizing job execution time. Resource failure in Grid is no longer an exception but a regular occurring event as resources are increasingly being used by the scientific community to solve computationally intensive problems which typically run for days or even months. It is therefore absolutely essential that these long-running applications are able to tolerate failures and avoid re-computations from scratch after resource failure has occurred, to satisfy the user's Quality of Service (QoS) requirement...
2017: PloS One
https://www.readbyqxmd.com/read/28544917/effective-and-safe-mannitol-administration-in-patients-undergoing-supratentorial-tumor-surgery-a-prospective-randomized-and-double-blind-study
#2
Eren Fatma Akcil, Ozlem Korkmaz Dilmen, Esra Sultan Karabulut, Serdar Selcuk Koksal, Fatis Altindas, Yusuf Tunali
OBJECTIVES: Although osmotic diuresis with mannitol is commonly used to provide brain relaxation, there is no consensus regarding its optimal dose and combination with loop diuretics. The aim of the present study is to evaluate the effects of mannitol and combination of furosemide with different doses of mannitol on brain relaxation and on blood electrolytes, lactate level, urine output, fluid balance and blood osmolarity in patients undergoing supratentorial tumor surgery. PATIENTS AND METHODS: This prospective, randomized, double blind, placebo-controlled study included 51 patients (ASA I-III) scheduled for elective supratentorial craniotomy...
May 15, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28544732/similar-familial-underpinnings-for-full-and-subsyndromal-pediatric-bipolar-disorder-a-familial-risk-analysis
#3
Janet Wozniak, Mai Uchida, Stephen V Faraone, Maura Fitzgerald, Carrie Vaudreuil, Nicholas Carrellas, Jacqueline Davis, Rebecca Wolenski, Joseph Biederman
OBJECTIVES: To examine the validity of subthreshold pediatric bipolar I disorder (BP-I), we compared the familial risk for BP-I in the child probands who had either full BP-I, subthreshold BP-I, ADHD, or were controls that neither had ADHD nor bipolar disorder. METHODS: BP-I probands were youth aged 6-17 years meeting criteria for BP-I, full (N=239) or subthreshold (N=43), and also included were their first-degree relatives (N=687 and N=120, respectively). Comparators were youth with ADHD (N=162), controls without ADHD or bipolar disorder (N=136), and their first-degree relatives (N=511 and N=411, respectively)...
May 22, 2017: Bipolar Disorders
https://www.readbyqxmd.com/read/28544637/prevalence-of-autism-spectrum-disorder-and-autistic-symptoms-in-a-school-based-cohort-of-children-in-kolkata-india
#4
Alokananda Rudra, Matthew K Belmonte, Parmeet Kaur Soni, Saoni Banerjee, Shaneel Mukerji, Bhismadev Chakrabarti
Despite housing ∼18% of the world's population, India does not yet have an estimate of prevalence of autism. This study was carried out to estimate the prevalence of autism in a selected population of school-children in India. N = 11,849 children (mean age = 5.9 [SD = 1.3], 39.5% females) were selected from various school types from three boroughs in Kolkata, India. Parents/caregivers and teachers filled in the social and communication disorders checklist (SCDC). Children meeting cutoff on parent-reported SCDC were followed up with the social communication questionnaire (SCQ)...
May 25, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/28544560/fatal-intoxication-by-5f-adb-and-diphenidine-detection-quantification-and-investigation-of-their-main-metabolic-pathways-in-human-by-lc-ms-ms-and-lc-q-tofms
#5
Maiko Kusano, Kei Zaitsua, Kentaro Taki, Kazuaki Hisatsune, Jun'ichi Nakajima, Takako Moriyasu, Tomomi Asano, Yumi Hayashi, Hitoshi Tsuchihashi, Akira Ishii
Despite the implementation of the new blanket scheduling system in 2013, new psychoactive substance (NPS) abuse remains a serious social concern in Japan. We present a fatal intoxication case involving 5F-ADB (methyl 2-[1-(5-fluoropentyl)-1H-indazole-3-carboxamido]-3,3-dimethylbutanoate) and diphenidine. Postmortem blood screening by liquid chromatography/quadrupole time-of-flight mass spectrometry (LC/Q-TOFMS) in the information dependent acquisition (IDA) mode only detected diphenidine. Further urinary screening using an in-house database containing new NPS and metabolites detected not only diphenidine but also possible 5F-ADB metabolites; subsequent targeted screening by LC/tandem mass spectrometry (LC/MS/MS) allowed for the detection of very low level of unchanged 5F-ADB in postmortem heart blood...
May 21, 2017: Drug Testing and Analysis
https://www.readbyqxmd.com/read/28544205/the-impact-of-a-structured-preoperative-protocol-on-day-of-surgery-cancellations
#6
Elina Turunen, Merja Miettinen, Leena Setälä, Katri Vehviläinen-Julkunen
AIMS AND OBJECTIVES: To evaluate the impact of implementing an evidence-based, structured preoperative protocol on day of surgery cancellations in 13 operative specialties. BACKGROUND: Surgery cancellations cause unnecessary harm for patients and organizations since many cancellations could be prevented. Preoperative care has developed in recent years, and several preoperative interventions have been introduced. However, the optimal model for organizing preoperative care remains unknown...
May 25, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28544170/hamstring-injury-prevention-in-soccer-before-or-after-training
#7
Ric Lovell, Michael Knox, Matthew Weston, Jason C Siegler, Scott Brennan, Paul W M Marshall
We examined the effects of a 12-week program of Nordic hamstring exercises (NHE), administered before or after football training, upon eccentric hamstring strength, muscle activity, and architectural adaptations. Amateur soccer players were randomized into 3 groups. The control group (CON; n=11) undertook core stability exercises, whereas a periodized NHE program was delivered either before (NHEBEF ; n=10) or after (NHEAFT ; n=14) bi-weekly training sessions. Outcome measures included peak torque and concomitant normalized peak surface electromyography signals (sEMG) of the biceps femoris (BF) and medial hamstring (MH) muscles during knee flexor maximal eccentric contractions, performed at 30°·s(-1) ...
May 24, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28544122/pupal-emergence-pattern-in-cactophilic-drosophila-and-the-effect-of-host-plants
#8
Eduardo M Soto, Julián Padró, Pablo Milla Carmona, Diego T Tuero, Valeria P Carreira, Ignacio M Soto
Drosophila buzzatii and D. koepferae are sibling cactophilic species. The former breeds primarily on prickly pears (genus Opuntia) whereas the latter breeds on columnar cacti of the genera Cereus and Trichocereus, although with certain degree of niche overlapping. We examined the interspecific differences in diurnal temporal patterns of adult emergence from puparia and evaluated whether this behavior is affected by rearing in the different cactus hosts available in nature. We detected important host-dependent genetic variation for this trait differentially affecting the emergence schedule of these species...
May 23, 2017: Insect Science
https://www.readbyqxmd.com/read/28543944/anterior-cingulate-cortex-supports-effort-allocation-toward-a-qualitatively-preferred-option
#9
Evan E Hart, Julian O Gerson, Yael Zoken, Marisella Garcia, Alicia Izquierdo
The anterior cingulate cortex (ACC) is known to be involved in effortful choice, yet its role in cost-benefit evaluation of qualitatively different rewards (more/less preferred), beyond magnitude differences (larger/smaller), is poorly understood. Selecting between qualitatively different options is a decision type commonly faced by humans. Here we assessed the role of ACC on a task that has primarily been used to probe striatal function in motivation. Rats were trained to stable performance on a progressive ratio schedule for sucrose pellets and were then given sham surgeries (control) or excitotoxic NMDA-lesions of ACC...
May 20, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28543732/joint-hypermobility-is-also-associated-with-anxiety-disorders-in-the-elderly-population
#10
Andrea Bulbena-Cabré, Conxita Rojo, Guillem Pailhez, Emma Buron Maso, Luis Miguel Martín-Lopez, Antonio Bulbena
BACKGROUND: Anxiety disorders (AD) are very prevalent in the elderly, tend to compromise quality of life, and generate substantial costs. Considering that the prevention and early detection of anxiety may be relevant to increase health gains in older adults, it would be of great interest to identify whether the joint hypermobility syndrome (JHS) is also related to anxiety disorders in this age range. METHODS: Cross-sectional data was collected in a sample of 108 subjects in a rural town in Spain...
May 23, 2017: International Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28543587/optical-mapping-of-nonmelanoma-skin-cancers-a-pilot-clinical-study
#11
Anna N Yaroslavsky, Xin Feng, Victor A Neel
BACKGROUND AND OBJECTIVE: Nonmelanoma skin cancer (NMSC) is the most common human cancer. Because these tumors often affect the face, there is a strong need for both accurate removal of these neoplasms to prevent recurrence and maximal tissue preservation to prevent cosmetic or functional deformity. Polarization-enhanced reflectance and fluorescence imaging (PERFI) is a new bedside method that uses fluorescent chromophores to image NMSC. While the feasibility of the technique has been successfully demonstrated in ex vivo studies, this is the first pilot study to extend the use of PERFI to in vivo intraoperative imaging of NMSC...
May 23, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28543518/green-discolouration-of-urine-following-propofol-infusion-in-a-dog
#12
D Flaherty, A Auckburally
A three-year-old, female neutered Weimaraner was presented with a history of neck pain and tetraparesis. MRI revealed an extradural mass at the level of C3 vertebra, which was thought to be a spinal abscess, and the dog was scheduled for surgical exploration the following morning. Overnight the dog developed an exaggerated ventilatory pattern, with paradoxical inward movement of the thorax on inspiration. Arterial blood gas analysis revealed respiratory acidosis and ventilator support was initiated to prevent excessive respiratory fatigue...
May 25, 2017: Journal of Small Animal Practice
https://www.readbyqxmd.com/read/28543440/chronic-sleep-restriction-disrupts-interendothelial-junctions-in-the-hippocampus-and-increases-blood-brain-barrier-permeability
#13
G Hurtado-Alvarado, J Velázquez-Moctezuma, B Gómez-González
Chronic sleep loss in the rat increases blood-brain barrier permeability to Evans blue and FITC-dextrans in almost the whole brain and sleep recovery during short periods restores normal blood-brain barrier permeability. Sleep loss increases vesicle density in hippocampal endothelial cells and decreases tight junction protein expression. However, at the ultrastructural level the effect of chronic sleep loss on interendothelial junctions is unknown. In this study we characterised the ultrastructure of interendothelial junctions in the hippocampus, the expression of tight junction proteins, and quantified blood-brain barrier permeability to fluorescein-sodium after chronic sleep restriction...
May 23, 2017: Journal of Microscopy
https://www.readbyqxmd.com/read/28543403/decellularized-human-liver-is-too-heterogeneous-for-designing-a-generic-extracellular-matrix-mimic-hepatic-scaffold
#14
Giorgio Mattei, Chiara Magliaro, Andrea Pirone, Arti Ahluwalia
Decellularized human livers are considered the perfect extracellular matrix (ECM) surrogate because both three-dimensional architecture and biological features of the hepatic microenvironment are thought to be preserved. However, donor human livers are in chronically short supply, both for transplantation or as decellularized scaffolds, and will become even scarcer as life expectancy increases. It is hence of interest to determine the structural and biochemical properties of human hepatic ECM to derive design criteria for engineering biomimetic scaffolds...
May 23, 2017: Artificial Organs
https://www.readbyqxmd.com/read/28543168/a-new-tool-to-tackle-the-opioid-epidemic-description-utility-and-results-from-the-maine-diversion-alert-program
#15
Brian J Piper, Clare E Desrosiers, Harriet C Fisher, Kenneth L McCall, Stephanie D Nichols
STUDY OBJECTIVE: The opioid epidemic continues to impact the United States, and new strategies are needed to combat this epidemic. The objective of this study was to analyze 2015 drug arrest data from Maine's Diversion Alert program (diversionalert. org), compare arrest data between the first quarters of 2015 and 2016, and provide an analysis of the sex differences in the arrests as well as information about DA use. STUDY DESIGN: A population-based, descriptive study using data from the Maine Diversion Alert Program...
May 19, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28543052/norepinephrine-reduces-arterial-compliance-less-than-phenylephrine-when-treating-general-anesthesia-induced-arterial-hypotension
#16
F Vallée, O Passouant, A Le Gall, J Joachim, J Mateo, A Mebazaa, E Gayat
INTRODUCTION: During general anesthesia, arterial hypotension is frequent and may be an important contributor to perioperative morbidity. We assessed the effect of a 5 μg bolus of Norepinephrine (NA) when compared with 50 μg bolus of Phenylephrine (PE) administered to treat hypotension during maintenance anesthesia, on MAP, derived cardiac output and arterial stiffness parameters. METHODS: Patients scheduled for a neurosurgical procedure under general anesthesia were prospectively included...
May 22, 2017: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/28542799/global-sensitivity-analysis-for-repeated-measures-studies-with-informative-drop-out-a-semi-parametric-approach
#17
Daniel Scharfstein, Aidan McDermott, Iván Díaz, Marco Carone, Nicola Lunardon, Ibrahim Turkoz
In practice, both testable and untestable assumptions are generally required to draw inference about the mean outcome measured at the final scheduled visit in a repeated measures study with drop-out. Scharfstein et al. (2014) proposed a sensitivity analysis methodology to determine the robustness of conclusions within a class of untestable assumptions. In their approach, the untestable and testable assumptions were guaranteed to be compatible; their testable assumptions were based on a fully parametric model for the distribution of the observable data...
May 23, 2017: Biometrics
https://www.readbyqxmd.com/read/28542735/sleep-convulsive-seizures-predict-lack-of-remission-in-genetic-generalized-epilepsies-a-retrospective-study-from-a-single-epilepsy-center-in-egypt
#18
A Ashmawi, H Hosny, M Gadallah, E Beghi
BACKGROUND: Genetic generalized epilepsies (GGEs) represent 15-20% of all epilepsies. There are no studies on the outcome of GGEs in the Middle East. AIMS: To investigate the long-term prognosis of GGEs and identify prognostic predictors in Egypt. MATERIAL & METHODS: This is a retrospective cohort study of consecutive children and adults with GGEs seen in an epilepsy clinic in Cairo, Egypt, followed for 10+ years. Follow-up visits were scheduled every 3-6 months or earlier...
May 21, 2017: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/28542726/the-association-between-psychotic-experiences-and-disability-results-from-the-who-world-mental-health-surveys
#19
F Navarro-Mateu, J Alonso, C C W Lim, S Saha, S Aguilar-Gaxiola, A Al-Hamzawi, L H Andrade, E J Bromet, R Bruffaerts, S Chatterji, L Degenhardt, G de Girolamo, P de Jonge, J Fayyad, S Florescu, O Gureje, J M Haro, C Hu, E G Karam, V Kovess-Masfety, S Lee, M E Medina-Mora, A Ojagbemi, B-E Pennell, M Piazza, J Posada-Villa, K M Scott, J C Stagnaro, M Xavier, K S Kendler, R C Kessler, J J McGrath
OBJECTIVE: While psychotic experiences (PEs) are known to be associated with a range of mental and general medical disorders, little is known about the association between PEs and measures of disability. We aimed to investigate this question using the World Mental Health surveys. METHOD: Lifetime occurrences of six types of PEs were assessed along with 21 mental disorders and 14 general medical conditions. Disability was assessed with a modified version of the WHO Disability Assessment Schedule...
May 25, 2017: Acta Psychiatrica Scandinavica
https://www.readbyqxmd.com/read/28542671/folfoxiri-plus-bevacizumab-as-conversion-therapy-for-patients-with-initially-unresectable-metastatic-colorectal-cancer-a-systematic-review-and-pooled-analysis
#20
Gianluca Tomasello, Fausto Petrelli, Michele Ghidini, Alessandro Russo, Rodolfo Passalacqua, Sandro Barni
Importance: The combination of fluorouracil, oxaliplatin, and irinotecan plus bevacizumab (FOLFOXIRI-Bev) is an established and effective first-line chemotherapy regimen for metastatic colorectal cancer. However, resection rates of metastases and overall survival with this schedule have never been systematically evaluated in published studies including, but not limited to, the TRIBE (TRIplet plus BEvacizumab) trial. Objective: To assess the clinical efficacy of FOLFOXIRI-Bev, including outcomes and rates of surgical conversions...
May 25, 2017: JAMA Oncology
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