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Meta Analys

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https://www.readbyqxmd.com/read/29088887/tacc3-as-an-independent-prognostic-marker-for-solid-tumors-a-systematic-review-and-meta-analysis
#1
June Wang, Shenlin Du, Wei Fan, Ping Wang, Weiqing Yang, Mingxia Yu
Recent studies have showed that the transforming acidic coiled coil 3 (TACC3), was aberrantly up-regulated in various solid tumors and was reported to be correlated with unfavorable prognosis in cancer patients. This study aimed to examine the relationship between TACC3 and relevant clinical outcomes. Pubmed, Web of Science, Embase and Cochrane Library were systematically searched to obtain all eligible articles. Pooled hazard ratios (HRs) and 95% confidence intervals (CIs) were calculated to evaluate the influence of TACC3 expression on overall survival (OS) and disease-free survival (DFS) in solid tumors patients...
September 26, 2017: Oncotarget
https://www.readbyqxmd.com/read/29073577/prevalence-of-depression-in-cardiovascular-patients-in-iran-a-systematic-review-and-meta-analysis-from-2000-to-2017
#2
REVIEW
Mozhgan Sadat Ghaemmohamadi, Meysam Behzadifar, Ahmad Ghashghaee, Nasrin Mousavinejad, Faezeh Ebadi, Sahar Sadat Saeedi Shahri, Hesam Seyedin, Masoud Behzadifar, Nicola Luigi Bragazzi
BACKGROUND: In both developed and developing countries, cardiovascular disease is on the rise, representing nowadays one of the main challenges for the health systems worldwide. This increase generates relevant costs. The aim of this study was to conduct a systematic and meta-analytical review of the prevalence of depression in cardiovascular patients in Iran. METHODS: Articles written in English and Persian were searched from January 2000 to July 2017 in different scholarly databases...
February 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29070014/lack-of-associations-of-the-opioid-receptor-mu-1-oprm1-a118g-polymorphism-rs1799971-with-alcohol-dependence-review-and-meta-analysis-of-retrospective-controlled-studies
#3
REVIEW
Xiangyi Kong, Hao Deng, Shun Gong, Theodore Alston, Yanguo Kong, Jingping Wang
BACKGROUND: Studies have sought associations of the opioid receptor mu 1 (OPRM1) A118G polymorphism (rs1799971) with alcohol-dependence, but findings are inconsistent. We summarize the information as to associations of rs1799971 (A > G) and the alcohol-dependence. METHODS: Systematically, we reviewed related literatures using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guideline. Embase, PubMed, Web of Knowledge, and Chinese National Knowledge Infrastructure (CNKI) databases were searched using select medical subject heading (MeSH) terms to identify all researches focusing on the present topic up to September 2016...
October 26, 2017: BMC Medical Genetics
https://www.readbyqxmd.com/read/29068996/diagnostic-potential-of-real-time-elastography-rte-and-shear-wave-elastography-swe-to-differentiate-benign-and-malignant-thyroid-nodules-a-systematic-review-and-meta-analysis
#4
REVIEW
Xiangdong Hu, Yujiang Liu, Linxue Qian
BACKGROUND: Real-time elastography (RTE) and shear wave elastography (SWE) are noninvasive and easily available imaging techniques that measure the tissue strain, and it has been reported that the sensitivity and the specificity of elastography were better in differentiating between benign and malignant thyroid nodules than conventional technologies. METHODS: Relevant articles were searched in multiple databases; the comparison of elasticity index (EI) was conducted with the Review Manager 5...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29021275/impact-of-coronary-artery-disease-on-30-day-and-1-year-mortality-in-patients-undergoing-transcatheter-aortic-valve-replacement-a-meta-analysis
#5
REVIEW
Kesavan Sankaramangalam, Kinjal Banerjee, Krishna Kandregula, Divyanshu Mohananey, Akhil Parashar, Brandon M Jones, Yash Jobanputra, Stephanie Mick, Amar Krishnaswamy, Lars G Svensson, Samir R Kapadia
BACKGROUND: The impact of coronary artery disease (CAD) on outcomes after transcatheter aortic valve replacement (TAVR) is understudied. Literature on the prognostic role of CAD in the survival of patients undergoing TAVR shows conflicting results. This meta-analysis aims to investigate how CAD impacts patient survival following TAVR. METHODS AND RESULTS: We completed a comprehensive literature search of Embase, MEDLINE, and the Cochrane Library, and included studies reporting outcome of TAVR based on CAD status of patients for the analysis...
October 11, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28988944/efficacy-of-adding-nutritional-supplements-in-unipolar-depression-a-systematic-review-and-meta-analysis
#6
REVIEW
Cora Schefft, Laura L Kilarski, Tom Bschor, Stephan Köhler
In this article, we aimed to assess the efficacy of adjunctive administration of nutritional supplements to antidepressants by means of a systematic review and meta-analysis. The supplements included were inositol, vitamin D, folic acid, vitamin B12, S-adenosyl-L-methionine (SAMe), omega-3 polyunsaturated fatty acids (n-3 PUFA) and zinc. A structured database search (MEDLINE, EBSCO, CENTRAL, Web of Science) was performed using terms for the respective substances in conjunction with terms for depression and the mode of treatment ("add-on" OR "adjunctive" OR "augmentation")...
November 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28981575/proper-joint-analysis-of-summary-association-statistics-requires-the-adjustment-of-heterogeneity-in-snp-coverage-pattern
#7
Han Zhang, William Wheeler, Lei Song, Kai Yu
As meta-analysis results published by consortia of genome-wide association studies (GWASs) become increasingly available, many association summary statistics-based multi-locus tests have been developed to jointly evaluate multiple single-nucleotide polymorphisms (SNPs) to reveal novel genetic architectures of various complex traits. The validity of these approaches relies on the accurate estimate of z-score correlations at considered SNPs, which in turn requires knowledge on the set of SNPs assessed by each study participating in the meta-analysis...
July 7, 2017: Briefings in Bioinformatics
https://www.readbyqxmd.com/read/28969076/systematic-review-and-meta-analysis-of-the-efficacy-of-serum-neuron-specific-enolase-for-early-small-cell-lung-cancer-screening
#8
Lang Huang, Jian-Guo Zhou, Wen-Xiu Yao, Xu Tian, Shui-Ping Lv, Ting-You Zhang, Shu-Han Jin, Yu-Ju Bai, Hu Ma
We performed a pooled analysis of the efficacy of serum neuron-specific enolase (NSE) levels for early detection of small cell lung cancer (SCLC) in patients with benign lung diseases and healthy individuals. Comprehensive searches of several databases through September 2016 were conducted. The quality of the included studies was assessed using the Quality Assessment of Diagnostic Accuracy Studies (QUADAS-2) tool. Ultimately, 33 studies containing 9546 samples were included in the review. Pooled sensitivity of NSE for detecting SCLC was 0...
September 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28968525/high-flow-oxygen-therapy-in-immunocompromised-patients-with-acute-respiratory-failure-a-review-and-meta-analysis
#9
REVIEW
Hui-Bin Huang, Jin-Min Peng, Li Weng, Guang-Yun Liu, Bin Du
PURPOSE: Acute respiratory failure remains a common hazardous complication in immunocompromised patients and is associated with increased mortality rates when endotracheal intubation is need. We aimed to evaluate the effect of high-flow nasal cannula oxygen therapy (HFNC) compared with other oxygen technique for this patient population. METHODS: We searched Cochrane library, Embase, PubMed databases before Aug. 15, 2017 for eligible articles. A meta-analysis was performed for measuring short-term mortality (defined as ICU, hospital or 28-days mortality) and intubation rate as the primary outcomes, and length of stay in ICU as the secondary outcome...
February 2018: Journal of Critical Care
https://www.readbyqxmd.com/read/28922613/the-etiology-of-community-acquired-pneumonia-among-children-under-5-years-of-age-in-mainland-china-2001-2015-a-systematic-review
#10
REVIEW
Guijun Ning, Xuxia Wang, Dan Wu, Zundong Yin, Yixing Li, Huaqing Wang, Weizhong Yang
BACKGROUND: The aim of this systematic review was to examine the etiology of community-acquired pneumonia (CAP) among Chinese children younger than 5 y and provide evidence for further cost-effectiveness analyses for vaccine development, diagnostic strategies and empirical treatments. METHODS: The literature review followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses statement. Data were obtained by searching PubMed, Embase, Web-of Science, and the Chinese databases Wanfang Data and China National Knowledge Infrastructure...
November 2, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28877514/fast-gaussian-na%C3%A3-ve-bayes-for-searchlight-classification-analysis
#11
Marlis Ontivero-Ortega, Agustin Lage-Castellanos, Giancarlo Valente, Rainer Goebel, Mitchell Valdes-Sosa
The searchlight technique is a variant of multivariate pattern analysis (MVPA) that examines neural activity across large sets of small regions, exhaustively covering the whole brain. This usually involves application of classifier algorithms across all searchlights, which entails large computational costs especially when testing the statistical significance of the accuracies with permutation methods. In this article, a new implementation of the Gaussian Naive Bayes classifier is presented (henceforth massive-GNB)...
December 2017: NeuroImage
https://www.readbyqxmd.com/read/28840293/hepatocellular-carcinoma-imaging-systems-why-they-exist-how-they-have-evolved-and-how-they-differ
#12
An Tang, Irene Cruite, Donald G Mitchell, Claude B Sirlin
Over the past 16 years, several scientific organizations have proposed systems that incorporate imaging for surveillance, diagnosis, staging, treatment, and monitoring of treatment response of hepatocellular carcinoma (HCC). These systems are needed to standardize the acquisition, interpretation, and reporting of liver imaging examinations; help differentiate benign from malignant observations; improve consistency between radiologists; and provide guidance for management of HCC. This review article discusses the historical evolution of HCC imaging systems...
January 2018: Abdominal Radiology
https://www.readbyqxmd.com/read/28822353/vdr-gene-variation-and-insulin-resistance-related-diseases
#13
Fei-Fei Han, Ya-Li Lv, Li-Li Gong, He Liu, Zi-Rui Wan, Li-Hong Liu
BACKGROUND: Vitamin D status may influence the risk of Insulin resistance related diseases such as Type 2 diabetes (T2DM), metabolic syndrome (MetS), and polycystic ovarian syndrome (PCOS). Several studies have assessed vitamin D receptor (VDR) gene polymorphism in relationship with these diseases; however, results remain inconsistent. Our study was conducted to elucidate whether VDR Gene polymorphisms could predict insulin resistance on a large scale. METHODS: A meta-analysis using MEDLINE and EMBASE, was performed up to December 16th, 2016...
August 19, 2017: Lipids in Health and Disease
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
#14
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...
June 2018: Biometrics
https://www.readbyqxmd.com/read/28726261/origin-and-prevalence-of-the-accessory-phrenic-nerve-a-meta-analysis-and-clinical-appraisal
#15
REVIEW
Matthew J Graves, Brandon Michael Henry, Wan Chin Hsieh, Beatrice Sanna, PrzemysŁaw A PĘkala, Joe Iwanaga, Marios Loukas, Krzysztof A Tomaszewski
The accessory phrenic nerve (APN) is a common anatomical variant with differing reports of prevalence in the literature. It can be injured during operative procedures to the neck and thorax or by regional anesthetic techniques in its vicinity. Our aim was to provide a comprehensive evidence-based assessment of the prevalence and origins of the APN. The databases PubMed, China National Knowledge Infrastructure, ScienceDirect, EMBASE, BIOSIS, SciELO, and Web of Science were searched comprehensively, followed by assessment of eligibility and extraction of data concerning the APN...
November 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28638661/efficacy-and-tolerability-of-tenofovir-disoproxil-fumarate-based-regimen-as-compared-to-zidovudine-based-regimens-a-systematic-review-and-meta-analysis
#16
REVIEW
Tegene Legese Dadi, Adane Teshome Kefale, Teshale Ayele Mega, Muktar Sano Kedir, Habtamu Acho Addo, Tessema Tsehay Biru
BACKGROUND: Although tenofovir (TDF)/emtricitabine (FTC)/efavirenz (EFV) and zidovudine (ZDV)/lamivudine (3TC)/efavirenz (EFV) are used as preferred first line regimen, their head-to-head comparison in terms of their efficacy and tolerability was limited. This review aimed to synthesize the best available evidence on the comparative efficacy and tolerability of the two regimens. METHODS: Seven sites and databases in addition to Google search until August 20, 2016, were searched...
2017: AIDS Research and Treatment
https://www.readbyqxmd.com/read/28622367/role-of-serum-ferritin-level-on-overall-survival-in-patients-with-myelodysplastic-syndromes-results-of-a-meta-analysis-of-observational-studies
#17
REVIEW
Claudia Pileggi, Maddalena Di Sanzo, Valentina Mascaro, Maria Grazia Marafioti, Francesco Saverio Costanzo, Maria Pavia
BACKGROUND: The role of serum ferritin (SF) as a prognostic factor has been analyzed in patients with myelodysplastic syndromes (MDS) who have undergone hematopoietic stem cell transplantation (HSCT), but the prognostic role of elevated SF levels is still controversial in lower risk MDS patients. Therefore, we performed a meta-analysis of all available published literature to evaluate whether elevated SF levels are associated with a worse overall survival (OS) among patients with low risk MDS...
2017: PloS One
https://www.readbyqxmd.com/read/28588896/promoting-transparency-accountability-and-access-through-a-multi-stakeholder-initiative-lessons-from-the-medicines-transparency-alliance
#18
Taryn Vian, Jillian C Kohler, Gilles Forte, Deirdre Dimancesco
BACKGROUND: Barriers to expanding access to medicines include weak pharmaceutical sector governance, lack of transparency and accountability, inadequate attention to social services on the political agenda, and financing challenges. Multi-stakeholder initiatives such as the Medicines Transparency Alliance (MeTA) may help overcome these barriers. Between 2008 and 2015, MeTA engaged stakeholders in the pharmaceutical sectors of seven countries (Ghana, Jordan, Kyrgyzstan, Peru, Philippines, Uganda, and Zambia) to promote access goals through greater transparency...
2017: Journal of Pharmaceutical Policy and Practice
https://www.readbyqxmd.com/read/28584326/the-risk-of-hearing-loss-associated-with-occupational-exposure-to-organic-solvents-mixture-with-and-without-concurrent-noise-exposure-a-systematic-review-and-meta-analysis
#19
REVIEW
Maryam Hormozi, Alireza Ansari-Moghaddam, Ramazan Mirzaei, Javid Dehghan Haghighi, Fatemeh Eftekharian
This study is a meta-analysis of the previous epidemiological studies which investigated the quantitative estimates of the association between independent or combined exposure to noise and mixed organic solvents and hearing loss until October 2014. Overall, 15 studies with information on 7530 individuals (6% female) were included. Having assessed - by puretone audiometry - the adjusted odds ratio estimates for the association between solvents mixture exposure and the risk of developing hearing loss stood at 2...
June 19, 2017: International Journal of Occupational Medicine and Environmental Health
https://www.readbyqxmd.com/read/28521438/identification-of-differentially-expressed-genes-between-early-stage-adenocarcinoma-and-squamous-cell-carcinoma-lung-cancer-using-meta-analysis-methods
#20
Tianjiao Wang, Lei Zhang, Pu Tian, Suyan Tian
Lung adenocarcinoma (AC) and squamous cell lung carcinoma (SCC) are two major subtypes of non-small cell lung cancer (NSCLC). Previous studies have demonstrated that fundamental differences exist in the underlying mechanisms of tumor development, growth and invasion between these subtypes. The investigation of differentially-expressed genes (DEGs) between these two NSCLC subtypes is useful for determining and understanding such differences. The present study aimed to identify those DEGs using meta-analysis and the data from four microarray experiments, consisting of 164 AC and 161 SCC samples...
May 2017: Oncology Letters
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