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https://www.readbyqxmd.com/read/29568983/model-prediction-and-validation-of-an-order-mechanism-controlling-the-spatiotemporal-phenotype-of-early-hepatocellular-carcinoma
#1
Stefan Hoehme, Francois Bertaux, William Weens, Bettina Grasl-Kraupp, Jan G Hengstler, Dirk Drasdo
Recently, hepatocyte-sinusoid alignment (HSA) has been identified as a mechanism that supports the coordination of hepatocytes during liver regeneration to reestablish a functional micro-architecture (Hoehme et al. in Proc Natl Acad Sci 107(23):10371-10376, 2010). HSA means that hepatocytes preferentially align along the closest micro-vessels. Here, we studied whether this mechanism is still active in early hepatocellular tumors. The same agent-based spatiotemporal model that previously correctly predicted HSA in liver regeneration was further developed to simulate scenarios in early tumor development, when individual initiated hepatocytes gain increased proliferation capacity...
March 22, 2018: Bulletin of Mathematical Biology
https://www.readbyqxmd.com/read/29534164/evolution-of-secondary-mitral-regurgitation
#2
Philipp E Bartko, Noemi Pavo, Ana Pérez-Serradilla, Henrike Arfsten, Stephanie Neuhold, Raphael Wurm, Irene M Lang, Guido Strunk, Jacob P Dal-Bianco, Robert A Levine, Martin Hülsmann, Georg Goliasch
Aims: Secondary mitral regurgitation (MR) drives adverse remodelling towards late heart failure stages. Little is known about the evolution of MR under guideline-directed therapy (GDT) and its relation to cardiac remodelling and outcome. We therefore aimed to assess incidence, impact, and predictors of progressive secondary MR in patients under GDT. Methods and results: We prospectively enrolled 249 patients with chronic heart failure and reduced ejection fraction receiving GDT in this long-term observational study...
March 9, 2018: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/29526972/-work-accommodation-at-the-time-of-return-to-work-for-workers-on-sick-leave-a-qualitative-systematic-review-with-recommendations-for-return-to-work-guidance-2017
#3
Kazuhiro Nogawa, Noriko Kojimahara
OBJECTIVE: We conducted a systematic review to determine whether work accommodation at the time of return-to-work (RTW) following a period of sick leave would improve work-related outcomes. Using a Grading of Recommendations, Assessment, Development and Evaluation (GRADE) approach, we developed recommendations applicable to the field of occupational health in Japan. METHOD: We approached our review question for "Evidence-based Return-to-work Guidance in Occupational Health 2017 (RTW 2017)" using a PICO framework (P: workers on sick leave; I: work accommodation; C: usual care; O: improvement of work-related outcomes, such as shortened sick leave period or lower rate of sick leave recurrence)...
March 12, 2018: Sangyō Eiseigaku Zasshi, Journal of Occupational Health
https://www.readbyqxmd.com/read/29524250/improved-protein-model-quality-assessments-by-changing-the-target-function
#4
Karolis Uziela, David Menéndez Hurtado, Nanjiang Shu, Björn Wallner, Arne Elofsson
Protein modeling quality is an important part of protein structure prediction. We have for more than a decade developed a set of methods for this problem. We have used various types of description of the protein and different machine learning methodologies. However, common to all these methods has been the target function used for training. The target function in ProQ describes the local quality of a residue in a protein model. In all versions of ProQ the target function has been the S-score. However, other quality estimation functions also exist, which can be divided into superposition- and contact-based methods...
March 9, 2018: Proteins
https://www.readbyqxmd.com/read/29460796/effects-of-goal-directed-fluid-therapy-on-enhanced-postoperative-recovery-an-interventional-comparative-observational-study-with-a-historical-control-group-on-oesophagectomy-combined-with-eras-program
#5
Hideki Taniguchi, Toshio Sasaki, Hisae Fujita, Hiroko Kobayashi, Rieko Kawasaki, Takashi Ogata, Haruhiko Cho, Takaki Yoshikawa, Keiko Ushigome, Akemi Tanaka, Osami Takano
BACKGROUND AND AIMS: The Enhanced Recovery after Surgery (ERAS) program has been proposed as a postoperative recovery-enhancing strategy. We frequently apply the Modified-ERAS program following oesophagectomy. This study aims to elucidate the impact of goal-directed fluid therapy (GDT) for the perioperative management of oesophageal cancer on the postoperative recovery of patients undergoing oesophagectomy. METHODS: This is an interventional before-after comparative observational study conducted at Kanagawa Cancer Centre, Japan...
February 2018: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/29457117/goal-directed-therapy-reduces-fluid-balance-while-maintaining-hemodynamic-stability-in-intraoperative-management-of-pancreaticoduodenectomy-a-retrospective-comparative-study
#6
Satoshi Ishihara, Takeshi Yokoyama, Katsuyuki Katayama
Background: Goal-directed therapy (GDT) is beneficial for surgical patients, especially for those undergoing high-risk surgery. However, little has been reported on the hemodynamic effects of GDT in extensive surgery. We conducted a study to determine the impact of GDT on intraoperative management of extensive surgery. Findings: We retrospectively collected data from 90 patients who underwent pancreaticoduodenectomy: 44 who received intraoperative GDT (GDT group) and 46 who received conventional hemodynamic management (control group)...
2018: JA Clinical Reports
https://www.readbyqxmd.com/read/29406186/current-concepts-of-fluid-management-in-enhanced-recovery-pathways
#7
REVIEW
R Makaryus, T E Miller, T J Gan
Perioperative fluid management impacts outcomes and plays a pivotal role in enhanced recovery pathways (ERPs). There have been major advances in understanding the effects of fluid therapy and administration during the perioperative period. Improving fluid management during this period leads to a decrease in complications, decrease in length of stay (LOS), and enhanced patient outcomes. It is important to consider preoperative and postoperative fluid management to be just as critical as intraoperative management given multiple associated benefits to the patients...
February 2018: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/29336138/psycho-acoustical-measures-in-individuals-with-congenital-visual-impairment
#8
Kaushlendra Kumar, Teenu Thomas, Jayashree S Bhat, Rajesh Ranjan
INTRODUCTION: In congenital visual impaired individuals one modality is impaired (visual modality) this impairment is compensated by other sensory modalities. There is evidence that visual impaired performed better in different auditory task like localization, auditory memory, verbal memory, auditory attention, and other behavioural tasks when compare to normal sighted individuals. OBJECTIVE: The current study was aimed to compare the temporal resolution, frequency resolution and speech perception in noise ability in individuals with congenital visual impaired and normal sighted...
December 1, 2017: International Tinnitus Journal
https://www.readbyqxmd.com/read/29287884/effects-of-transient-auditory-deprivation-during-critical-periods-on-the-development-of-auditory-temporal-processing
#9
Bong Jik Kim, Jungyoon Kim, Il-Yong Park, Jae Yun Jung, Myung-Whan Suh, Seung-Ha Oh
OBJECTIVES: The central auditory pathway matures through sensory experiences and it is known that sensory experiences during periods called critical periods exert an important influence on brain development. The present study aimed to investigate whether temporary auditory deprivation during critical periods (CPs) could have a detrimental effect on the development of auditory temporal processing. MATERIALS AND METHODS: Twelve neonatal rats were randomly assigned to control and study groups; Study group experienced temporary (18-20 days) auditory deprivation during CPs (Early deprivation study group)...
January 2018: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/29186095/-intraoperative-fluid-therapy-during-esophagectomy-followed-by-repair
#10
V A Sizov, M B Raevskaya, N B Kovalerova, D V Ruchkin, V V Subbotin, V V Kazennov, S A Ilyin
AIM: To optimize fluid therapy in transhiatal eshophagectomy by using of goal-oriented infusion therapy based on stroke volume variation. MATERIAL AND METHODS: Our trial enrolled 30 patients who underwent transhiatal esophagectomy followed by repair for the period 2011-2014. Patients were divided into 2 groups. The first group (LT) included 16 patients with liberal fluid therapy. The second group (GDT) consisted of 14 patients in whom goal-oriented fluid therapy was performed...
2017: Khirurgiia
https://www.readbyqxmd.com/read/29179707/selective-impairment-of-decision-making-under-ambiguity-in-alexithymia
#11
Lei Zhang, Xue Wang, Yu Zhu, Hongchen Li, Chunyan Zhu, Fengqiong Yu, Kai Wang
BACKGROUND: Alexithymia is characterised by difficulties identifying and describing emotions. Few studies have investigated how alexithymia influences decision-making under different conditions (ambiguity and risk). This study aimed to examine whether alexithymia contributes to impairment in decision-making. METHOD: This study included 42 participants with high scores in the Chinese version of Toronto Alexithymia Scale (alexithymia group), and 44 matched subjects with low scores (control group)...
November 28, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/29134679/prediction-of-protein-structure-with-the-coarse-grained-unres-force-field-assisted-by-small-x-ray-scattering-data-and-knowledge-based-information
#12
Agnieszka S Karczyńska, Magdalena A Mozolewska, Paweł Krupa, Artur Giełdoń, Adam Liwo, Cezary Czaplewski
A new approach to assisted protein-structure prediction has been proposed, which is based on running multiplexed replica exchange molecular dynamics simulations with the coarse-grained UNRES force field with restraints derived from knowledge-based models and distance distribution from small angle X-ray scattering (SAXS) measurements. The latter restraints are incorporated into the target function as a maximum-likelihood term that guides the shape of the simulated structures towards that defined by SAXS. The approach was first verified with the 1KOY protein, for which the distance distribution was calculated from the experimental structure, and subsequently used to predict the structures of 11 data-assisted targets in the CASP12 experiment...
March 2018: Proteins
https://www.readbyqxmd.com/read/29081613/a-template-based-protein-structure-reconstruction-method-using-deep-autoencoder-learning
#13
Haiou Li, Qiang Lyu, Jianlin Cheng
Protein structure prediction is an important problem in computational biology, and is widely applied to various biomedical problems such as protein function study, protein design, and drug design. In this work, we developed a novel deep learning approach based on a deeply stacked denoising autoencoder for protein structure reconstruction. We applied our approach to a template-based protein structure prediction using only the 3D structural coordinates of homologous template proteins as input. The templates were identified for a target protein by a PSI-BLAST search...
December 2016: Journal of Proteomics & Bioinformatics
https://www.readbyqxmd.com/read/29077720/goal-directed-therapy-for-suspected-acute-bacterial-meningitis-in-adults-and-adolescents-in-sub-saharan-africa
#14
Emma C Wall, Mavuto Mukaka, Brigitte Denis, Veronica S Mlozowa, Malango Msukwa, Khumbo Kasambala, Mulinda Nyrienda, Theresa J Allain, Brian Faragher, Robert S Heyderman, David G Lalloo
BACKGROUND: Mortality from acute bacterial meningitis (ABM) in sub-Saharan African adults and adolescents exceeds 50%. We tested if Goal Directed Therapy (GDT) was feasible for adults and adolescents with clinically suspected ABM in Malawi. MATERIALS AND METHODS: Sequential patient cohorts of adults and adolescents with clinically suspected ABM were recruited in the emergency department of a teaching hospital in Malawi using a before/after design. Routine care was monitored in year one (P1)...
2017: PloS One
https://www.readbyqxmd.com/read/29071738/assessment-of-contact-predictions-in-casp12-co-evolution-and-deep-learning-coming-of-age
#15
Joerg Schaarschmidt, Bohdan Monastyrskyy, Andriy Kryshtafovych, Alexandre M J J Bonvin
Following up on the encouraging results of residue-residue contact prediction in the CASP11 experiment, we present the analysis of predictions submitted for CASP12. The submissions include predictions of 34 groups for 38 domains classified as free modeling targets which are not accessible to homology-based modeling due to a lack of structural templates. CASP11 saw a rise of coevolution-based methods outperforming other approaches. The improvement of these methods coupled to machine learning and sequence database growth are most likely the main driver for a significant improvement in average precision from 27% in CASP11 to 47% in CASP12...
March 2018: Proteins
https://www.readbyqxmd.com/read/29037145/generalized-disequilibrium-test-for-association-in-qualitative-traits-incorporating-imprinting-effects-based-on-extended-pedigrees
#16
Jian-Long Li, Peng Wang, Wing Kam Fung, Ji-Yuan Zhou
BACKGROUND: For dichotomous traits, the generalized disequilibrium test with the moment estimate of the variance (GDT-ME) is a powerful family-based association method. Genomic imprinting is an important epigenetic phenomenon and currently, there has been increasing interest of incorporating imprinting to improve the test power of association analysis. However, GDT-ME does not take imprinting effects into account, and it has not been investigated whether it can be used for association analysis when the effects indeed exist...
October 16, 2017: BMC Genetics
https://www.readbyqxmd.com/read/29020650/decision-making-under-risk-and-under-ambiguity-in-depressed-suicide-attempters-depressed-non-attempters-and-healthy-controls
#17
Eberhard A Deisenhammer, Steffen K Schmid, Georg Kemmler, Bernadette Moser, Margarete Delazer
BACKGROUND: A number of neuropsychological alterations have been found in patients who have attempted suicide. Most studies investigating decision making (DM) abilities in suicide attempters so far have used one single DM task and included patients with a lifetime history of suicide attempts. These studies have yielded conflicting results. METHOD: In this study, currently depressed in-patients who had a recent suicide attempt (within the last six months) (n = 21), depressed in-patients without a lifetime history of suicide attempts (n = 31) and a healthy control group (n = 26) were assessed with two tasks for the assessment of DM...
January 15, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28976345/-impact-of-a-goal-directed-therapy-in-the-implementation-of-an-eras-enhanced-recovery-after-surgery-protocol-in-laparoscopic-radical-cystectomy
#18
Rafael Uña Orejón, Ivan Huercio Martinez, Estrella Mateo Torres, Cristina Jofré Escudero, Juan Gomez Rivas, Jesús Diez Sebastián, Maria Prado Ureta Tolsada
OBJECTIVES: The intraoperative goaldirected fluid therapy (GDT) has become the base of perioperative management in the fast-track protocols. This program using technology to estimate cardiac output, with the aim of minimizing splanchnic hypoperfusion. However, there is insufficient evidence to confirm its application in radical laparoscopic cystectomy. METHODS: In a retrospective study, we have included 52 patients that were scheduled for radical cystectomy. In group A (n=32) patients were treated following GDT...
October 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28968281/the-electrically-evoked-auditory-change-complex-evoked-by-temporal-gaps-using-cochlear-implants-or-auditory-brainstem-implants-in-children-with-cochlear-nerve-deficiency
#19
Shuman He, Tyler C McFayden, Bahar S Shahsavarani, Holly F B Teagle, Matthew Ewend, Lillian Henderson, Craig A Buchman
OBJECTIVES: This study aimed to (1) establish the feasibility of measuring the electrically evoked auditory change complex (eACC) in response to temporal gaps in children with cochlear nerve deficiency (CND) who are using cochlear implants (CIs) and/or auditory brainstem implants (ABIs); and (2) explore the association between neural encoding of, and perceptual sensitivity to, temporal gaps in these patients. DESIGN: Study participants included 5 children (S1 to S5) ranging in age from 3...
September 29, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28934978/adaptation-of-the-2015-american-college-of-rheumatology-treatment-guideline-for-rheumatoid-arthritis-for-the-eastern-mediterranean-region-an-exemplar-of-the-grade-adolopment
#20
Andrea Darzi, Manale Harfouche, Thurayya Arayssi, Samar Alemadi, Khalid A Alnaqbi, Humeira Badsha, Farida Al Balushi, Bassel Elzorkany, Hussein Halabi, Mohammed Hamoudeh, Wissam Hazer, Basel Masri, Mohammed A Omair, Imad Uthman, Nelly Ziade, Jasvinder A Singh, Robin Christiansen, Peter Tugwell, Holger J Schünemann, Elie A Akl
BACKGROUND: It has been hypothesized that adaptation of health practice guidelines to the local setting is expected to improve their uptake and implementation while cutting on required resources. We recently adapted the published American College of Rheumatology (ACR) Rheumatoid Arthritis (RA) treatment guideline to the Eastern Mediterranean Region (EMR). The objective of this paper is to describe the process used for the adaptation of the 2015 ACR guideline on the treatment of RA for the EMR...
September 21, 2017: Health and Quality of Life Outcomes
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