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https://www.readbyqxmd.com/read/28806485/a-matrix-based-method-of-moments-for-fitting-multivariate-network-meta-analysis-models-with-multiple-outcomes-and-random-inconsistency-effects
#1
Dan Jackson, Sylwia Bujkiewicz, Martin Law, Richard D Riley, Ian R White
Random-effects meta-analyses are very commonly used in medical statistics. Recent methodological developments include multivariate (multiple outcomes) and network (multiple treatments) meta-analysis. Here, we provide a new model and corresponding estimation procedure for multivariate network meta-analysis, so that multiple outcomes and treatments can be included in a single analysis. Our new multivariate model is a direct extension of a univariate model for network meta-analysis that has recently been proposed...
August 14, 2017: Biometrics
https://www.readbyqxmd.com/read/28801769/illusory-limb-movements-activate-different-brain-networks-than-imposed-limb-movements-an-ale-meta-analysis
#2
Jeffrey M Kenzie, Ettie Ben-Shabat, Gemma Lamp, Sean P Dukelow, Leeanne M Carey
Proprioceptive information allows us to perform smooth coordinated movements by constantly updating us with knowledge of the position of our limbs in space. How this information is combined and processed to form conscious perceptions of limb position is still relatively unknown. Several functional neuroimaging studies have attempted to tease out the brain areas responsible for proprioceptive processing in the human brain. Yet there still exists some disagreement in the specific brain regions involved. In order to consolidate the current knowledge in the field, we performed a systematic review of the literature and an activation likelihood estimation (ALE) meta-analysis of functional neuroimaging studies of proprioception...
August 11, 2017: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/28801434/comparative-effectiveness-of-six-chinese-herb-formulas-for-acute-exacerbation-of-chronic-obstructive-pulmonary-disease-protocol-for-systematic-review-and-network-meta-analysis
#3
Shaonan Liu, Jing Chen, Yihan He, Lei Wu, Jiaqi Lai, Jinhong Zuo, Lihong Yang, Xinfeng Guo
INTRODUCTION: Chinese medicine is commonly used to combine with pharmacotherapy for the treatment of acute exacerbation of chronic obstructive pulmonary disease (AECOPD). Six Chinese herb formulas involving Weijing decoction, Maxingshigan decoction, Yuebijiabanxia decoction, Qingqihuatan decoction, Dingchuan decoction and Sangbaipi decoction are recommended in Chinese medicine clinical guideline or textbook, to relieve patients with phlegm-heat according to Chinese syndrome differentiation...
August 11, 2017: BMJ Open
https://www.readbyqxmd.com/read/28801423/comparative-efficacy-and-acceptability-of-antidepressants-psychological-interventions-and-their-combination-for-depressive-disorder-in-children-and-adolescents-protocol-for-a-network-meta-analysis
#4
Xinyu Zhou, Andrea Cipriani, Yuqing Zhang, Pim Cuijpers, Sarah E Hetrick, John R Weisz, Juncai Pu, Cinzia Del Giovane, Toshiaki A Furukawa, Jürgen Barth, David Coghill, Stefan Leucht, Lining Yang, Arun V Ravindran, Peng Xie
INTRODUCTION: Depressive disorder is common in children and adolescents, with important consequences and serious impairments in terms of personal and social functioning. While both pharmacological and psychological interventions have been shown to be effective, there is still uncertainty about the balance between these and what treatment strategy should be preferred in clinical practice. Therefore, we aim to compare and rank in a network meta-analysis (NMA) the commonly used psychological, pharmacological and combined interventions for depressive disorder in children and adolescents...
August 11, 2017: BMJ Open
https://www.readbyqxmd.com/read/28799046/minimally-invasive-pancreaticoduodenectomy-what-is-the-best-choice-a-systematic-review-and-network-meta-analysis-of-non-randomized-comparative-studies
#5
Claudio Ricci, Riccardo Casadei, Giovanni Taffurelli, Carlo Alberto Pacilio, Marco Ricciardiello, Francesco Minni
BACKGROUND: Many mini-invasive pancreaticoduodenectomy (MIPD) techniques have been reported, but their advantages with respect to an open technique (OPD) and with respect to each other are unclear. METHOD: A systematic literature search of studies comparing different types of MIPD was carried out: laparoscopic-assisted (LAPD), totally robotic (TRPD), totally laparoscopic (TLPD) or totally laparoscopic-robotic assisted (TLPD-RA) to OPD. The primary endpoint was postoperative mortality...
August 10, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28798016/bayesian-analysis-a-practical-approach-to-interpret-clinical-trials-and-create-clinical-practice-guidelines
#6
John A Bittl, Yulei He
Bayesian analysis is firmly grounded in the science of probability and has been increasingly supplementing or replacing traditional approaches based on P values. In this review, we present gradually more complex examples, along with programming code and data sets, to show how Bayesian analysis takes evidence from randomized clinical trials to update what is already known about specific treatments in cardiovascular medicine. In the example of revascularization choices for diabetic patients who have multivessel coronary artery disease, we combine the results of the FREEDOM trial (Future Revascularization Evaluation in Patients with Diabetes Mellitus: Optimal Management of Multivessel Disease) with prior probability distributions to show how strongly we should believe in the new Class I recommendation ("should be done") for a preference of bypass surgery over percutaneous coronary intervention...
August 2017: Circulation. Cardiovascular Quality and Outcomes
https://www.readbyqxmd.com/read/28795682/effects-of-antenatal-diet-and-physical-activity-on-maternal-and-fetal-outcomes-individual-patient-data-meta-analysis-and-health-economic-evaluation
#7
Ewelina Rogozińska, Nadine Marlin, Louise Jackson, Girish Rayanagoudar, Anneloes E Ruifrok, Julie Dodds, Emma Molyneaux, Mireille Nm van Poppel, Lucilla Poston, Christina A Vinter, Fionnuala McAuliffe, Jodie M Dodd, Julie Owens, Ruben Barakat, Maria Perales, Jose G Cecatti, Fernanda Surita, SeonAe Yeo, Annick Bogaerts, Roland Devlieger, Helena Teede, Cheryce Harrison, Lene Haakstad, Garry X Shen, Alexis Shub, Nermeen El Beltagy, Narges Motahari, Janette Khoury, Serena Tonstad, Riitta Luoto, Tarja I Kinnunen, Kym Guelfi, Fabio Facchinetti, Elisabetta Petrella, Suzanne Phelan, Tânia T Scudeller, Kathrin Rauh, Hans Hauner, Kristina Renault, Christianne Jm de Groot, Linda R Sagedal, Ingvild Vistad, Signe Nilssen Stafne, Siv Mørkved, Kjell Å Salvesen, Dorte M Jensen, Márcia Vitolo, Arne Astrup, Nina Rw Geiker, Sally Kerry, Pelham Barton, Tracy Roberts, Richard D Riley, Arri Coomarasamy, Ben Willem Mol, Khalid S Khan, Shakila Thangaratinam
BACKGROUND: Diet- and physical activity-based interventions in pregnancy have the potential to alter maternal and child outcomes. OBJECTIVES: To assess whether or not the effects of diet and lifestyle interventions vary in subgroups of women, based on maternal body mass index (BMI), age, parity, Caucasian ethnicity and underlying medical condition(s), by undertaking an individual patient data (IPD) meta-analysis. We also evaluated the association of gestational weight gain (GWG) with adverse pregnancy outcomes and assessed the cost-effectiveness of the interventions...
August 2017: Health Technology Assessment: HTA
https://www.readbyqxmd.com/read/28794466/a-family-of-archaea-like-carboxylesterases-preferentially-expressed-in-the-symbiotic-phase-of-the-mychorrizal-fungus-tuber-melanosporum
#8
Davide Cavazzini, Guido Grossi, Elisabetta Levati, Francesca Vallese, Barbara Montanini, Angelo Bolchi, Giuseppe Zanotti, Simone Ottonello
An increasing number of esterases is being revealed by (meta) genomic sequencing projects, but few of them are functionally/structurally characterized, especially enzymes of fungal origin. Starting from a three-member gene family of secreted putative "lipases/esterases" preferentially expressed in the symbiotic phase of the mycorrhizal fungus Tuber melanosporum ("black truffle"), we show here that these enzymes (TmelEST1-3) are dimeric, heat-resistant carboxylesterases capable of hydrolyzing various short/medium chain p-nitrophenyl esters...
August 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28793291/effectiveness-and-tolerability-of-anticoagulants-for-thromboprophylaxis-after-major-joint-surgery-a-network-meta-analysis
#9
Zhen Wang, Jia Zheng, Yongqiang Zhao, Yungai Xiang, Xiao Chen, Yi Jin
BACKGROUND/AIMS: Venous thromboembolism (VTE) is the most common complication after major joint surgery. VTE can easily develop into pulmonary embolism (PE), leading to cardiopulmonary dysfunction or sudden death. We aimed to comprehensively analyse the thromboprophylactic drugs that are used to prevent thrombosis and reduce bleeding risk. METHODS: We searched the PubMed, EMBASE, and Cochrane databases for randomized controlled trials that evaluated the use of thromboprophylaxis after major joint surgery...
August 9, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28791450/relative-efficacy-and-safety-of-apremilast-secukinumab-and-ustekinumab-for-the-treatment-of-psoriatic-arthritis
#10
G G Song, Y H Lee
OBJECTIVE: To assess the relative efficacy and safety of apremilast, secukinumab, and ustekinumab at different doses in patients with active psoriatic arthritis (PsA). METHOD: A Bayesian network meta-analysis was conducted, which included randomized controlled trials (RCTs) that examined the efficacy and safety of apremilast 20 mg, apremilast 30 mg, secukinumab 75 mg, secukinumab 150 mg, secukinumab 300 mg, ustekinumab 45 mg, and ustekinumab 90 mg compared with placebo...
August 8, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/28790856/role-of-downregulated-mir-133a-3p-expression-in-bladder-cancer-a-bioinformatics-study
#11
Li Gao, Sheng-Hua Li, Yi-Xin Tian, Qing-Qing Zhu, Gang Chen, Yu-Yan Pang, Xiao-Hua Hu
It has been discovered that miR-133a-3p acts as a tumor suppressor in bladder cancer (BC). Nevertheless, the function of miR-133a-3p in BC remains unclarified. Thus, we carried out this study to validate the expression of miR-133a-3p in BC and provide insights into the molecular mechanism underlying it. To assess the expression of miR-133a-3p in BC, we searched eligible studies from literature and Gene expression Omnibus (GEO) to perform a meta-analysis. We also plotted the summary receiver operating characteristic (SROC) curve to evaluate the diagnostic ability of miR-133a-3p in BC...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28780727/interventions-for-humeral-shaft-fractures-mixed-treatment-comparisons-of-clinical-trials
#12
Y Zhao, J Wang, W Yao, Q Cai, Y Wang, W Yuan, S Gao
We designed a study to compare the efficacy of five main therapeutic options, including external fixation, open reduction and plate osteosynthesis (ORPO), minimally invasive plate osteosynthesis (MIPO), dynamic compression plate (DCP), and intramedullary nail (IMN) in treating humeral shaft fractures. Our results indicated that MIPO and IMN were recommended as the optimal treatments for clinical use. PURPOSE: Nowadays, five main therapeutic options are used in treating humeral shaft fractures: external fixation, open reduction and plate osteosynthesis (ORPO), minimally invasive plate osteosynthesis (MIPO), dynamic compression plate (DCP), and intramedullary nail (IMN)...
August 5, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28780085/letter-to-the-editor-in-response-to-recently-published-article-quantitative-evaluation-of-biologic-therapy-options-for-psoriasis-a-systematic-review-and-network-meta-analysis
#13
Kristian Reich, Craig Leonardi, Kim Papp, Alice Gottlieb, Diamant Thaçi, Alexander Schacht, Susan Ball, Noah Agada, Lotus Mallbris
No abstract text is available yet for this article.
August 2, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28777915/comparative-efficacy-and-safety-of-phosphate-binders-in-hyperphosphatemia-patients-with-chronic-kidney-disease
#14
Xiuqin Yang, Qingning Bai, Yanguo Li, Haijun Liu, Haiying Guo, Xiaolei Zhang
BACKGROUND: In this study, we coordinated a network meta-analysis to establish the efficacy and safety of different agents used in the treatment of hyperphosphatemia patients with chronic kidney disease. METHODS: PubMed, CNKI, and Embase were systematically searched to retrieve relevant studies. Outcomes were presented by mean differences, odds ratios, and corresponding 95% credible intervals for continuous outcomes and binary outcomes, respectively. Each therapy was ranked according to the value of surface under the cumulative ranking curve...
August 1, 2017: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28777560/a-critical-crosscatalytic-relationship-determines-the-outcome-of-competition-in-a-replicator-network
#15
Tamara Kosikova, Douglas Philp
A network of two synthetic replicators exhibits a critical unidirectional crosscatalytic relationship that directs competing replication processes. In this network, nitrone N bearing a 6-methylamidopyridine recognition site can participate in two 1,3-dipolar cycloaddition reactions with two maleimides that differ in the relative position of their carboxylic acid recognition site - either para (Mp) or meta (Mm) relative to the maleimide ring. These two cycloaddition reactions create replicators trans-Tp and trans-Tm...
August 4, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28774303/comparison-of-anti-malarial-drugs-efficacy-in-the-treatment-of-uncomplicated-malaria-in-african-children-and-adults-using-network-meta-analysis
#16
Solange Whegang Youdom, Rachida Tahar, Leonardo K Basco
BACKGROUND: Artemisinin-based combination therapy (ACT) and novel drug combinations are available and used in African countries to treat uncomplicated malaria. Network meta-analysis methods are rarely and poorly applied for the comparison of their efficacies. This method was applied on a set of randomized controlled trials to illustrate its usefulness. METHODS: A literature review available in Pubmed was conducted in July 2016. Eligible studies, conducted in sub-Saharan Africa, published between 2002 and 2016, focused on randomized controlled trials of at least two artemisinin-based combinations to treat uncomplicated malaria in children and adults...
August 3, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28771807/combination-adjuvant-chemotherapy-with-targeted-drugs-for-treatment-of-colorectal-cancer-a-network-meta-analysis
#17
Jinghui Wang, Li Luo, Dingxue Wang, Bin Guo, Jun Li, Zhu Yang, Dongxin Tang
BACKGROUND: Colorectal cancer (CRC) is one of the most fatal diseases in the world. The efficacy of present chemotherapy treatments are limited and the addition of targeted drugs have been put into practice. However, the preferred treatments among adjuvant chemotherapies still remain controversial and uncertain. OBJECTIVE: To evaluate the efficacy of different adjuvant chemotherapies combined with or without targeted drugs to determine the optimal treatment for patients with CRC in clinical practice...
August 3, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28771519/the-effects-of-various-diets-on-glycemic-outcomes-during-pregnancy-a-systematic-review-and-network-meta-analysis
#18
Vanessa Ha, Ashley J Bonner, Jaynendr K Jadoo, Joseph Beyene, Sonia S Anand, Russell J de Souza
AIMS: Evidence to support dietary modifications to improve glycemia during pregnancy is limited, and the benefits of diet beyond limiting gestational weight gain is unclear. Therefore, a systematic review and network meta-analysis of randomized trials was conducted to compare the effects of various common diets, stratified by the addition of gestational weight gain advice, on fasting glucose and insulin, hemoglobin A1c (HbA1c), and homeostatic model assessment for insulin resistance (HOMA-IR) in pregnant women...
2017: PloS One
https://www.readbyqxmd.com/read/28770625/clinical-implications-of-blood-material-interaction-and-drug-eluting-stent-polymers-in-review
#19
Hiroyoshi Mori, Anuj Gupta, Sho Torii, Emanuel Harari, Hiroyuki Jinnouchi, Renu Virmani, Aloke V Finn
Despite advances in drug-eluting stent (DES) technology, stent thrombosis (ST) remains the most feared complication with high morbidity and mortality. Area covered: Stent related factors certainly play a role in the pathophysiology of ST and more recent data suggest coating technologies have the potential to favorable modify this risk though blood material interactions. Of the polymer coatings used in DES, fluorinated polymers in particular have shown significant promise in modifying the risk of ST through their preferential interactions with albumin which is believed to prevent the adhesion and aggregation of platelets to the stent surface and thus minimize thrombus formation...
August 3, 2017: Expert Review of Medical Devices
https://www.readbyqxmd.com/read/28769123/capecitabine-5-fluorouracil-and-s-1-based-regimens-for-previously-untreated-advanced-oesophagogastric-cancer-a-network-meta-analysis
#20
Emil Ter Veer, Lok Lam Ngai, Gert van Valkenhoef, Nadia Haj Mohammad, Maarten C J Anderegg, Martijn G H van Oijen, Hanneke W M van Laarhoven
As evidence is inconsistent and based on either isolated Asian or Western studies, we conducted a network meta-analysis (NMA) to examine efficacy and safety of 5-FU (5-fluorouracil), capecitabine and S-1-based first-line treatment of advanced esophagogastric cancer in Asian and Western patients. Medline, EMBASE, CENTRAL and conferences ASCO and ESMO were searched up to January 2016 for randomized-controlled-trials comparing 5-FU, capecitabine or S-1-based regimens with equal chemotherapy backbones. Direct and indirect data for overall survival (OS) and progression-free-survival (PFS) were combined on the Hazard Ratio (HR)-scale using random-effects NMA and calculated as combined HRs and 95%credible intervals (95%CrI)...
August 2, 2017: Scientific Reports
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