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Chihyun Ahn, Chang Wook Jeong, Cheol Kwak, Hyeon Hoe Kim, Hyung Suk Kim, Ja Hyeon Ku
BACKGROUND: We systematically evaluated the prognostic significance of Ki-67 on survival outcomes in patients with upper urinary tract urothelial carcinoma (UTUC) treated with radical nephroureterectomy (RNU). MATERIALS AND METHODS: We searched the Embase, Scopus, and PubMed databases for all articles published up to February 2017 by following the Preferred Reporting Items for Systematic Review and Meta-analyses guidelines. The outcomes of interest included intravesical recurrence (IVR)-free survival, disease-free survival (DFS), cancer-specific survival (CSS), and overall survival (OS)...
February 24, 2018: Clinical Genitourinary Cancer
Suk Ho Sohn, Myoung-Jin Jang, Ho Young Hwang, Kyung Hwan Kim
OBJECTIVES: This meta-analysis was conducted to compare the early and follow-up outcomes of aortic valve replacement using rapid deployment or sutureless (RD) valves (RDAVR group) with aortic valve replacement using conventional bioprostheses (CAVR group). METHODS: A literature search of 5 online databases was conducted. The primary outcomes were postoperative complications and the secondary outcomes included the aortic cross-clamp (ACC) and cardiopulmonary bypass (CPB) times and early mortality and all-cause mortality during follow-up...
February 13, 2018: Journal of Thoracic and Cardiovascular Surgery
Gary Kim-Kuan Low, Simon A Ogston, Mun-Hin Yong, Seng-Chiew Gan, Hui-Yee Chee
BACKGROUND: Since the introduction of 2009 WHO dengue case classification, no literature was found regarding its effect on dengue death. This study was to evaluate the effect of 2009 WHO dengue case classification towards dengue case fatality rate. METHODS: Various databases were used to search relevant articles since 1995. Studies included were cohort and cross-sectional studies, all patients with dengue infection and must report the number of death or case fatality rate...
March 12, 2018: Acta Tropica
Myung Han Hyun, Young-Sun Lee, Ji Hoon Kim, Chan Uk Lee, Young Kul Jung, Yeon Seok Seo, Hyung Joon Yim, Jong Eun Yeon, Kwan Soo Byun
According to the American Association for the Study of Liver Disease treatment guidelines for hepatocellular carcinoma (HCC), the role of surgery has been expanded beyond the Barcelona Clinic Liver Cancer (BCLC) algorithm. We compared primary hepatectomy (PH) with transarterial chemoembolization (TACE) in patients with intermediate to advanced (BCLC stage-B/C) stage HCC to determine the current evidence. Through database search, we included 18 high-quality studies (1 randomized controlled trial [RCT], 5 propensity-score matching non-randomized comparative trials [NRCT], and 12 NRCTs) that compared survival outcomes of 5,986 patients after PH and TACE...
March 15, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
Mikhail Kosiborod, Carolyn S P Lam, Shun Kohsaka, Dae Jung Kim, Avraham Karasik, Jonathan Shaw, Navdeep Tangri, Su-Yen Goh, Marcus Thuresson, Hungta Chen, Filip Surmont, Niklas Hammar, Peter Fenici
BACKGROUND: Randomized trials demonstrated lower risk of cardiovascular (CV) events with sodium-glucose cotransporter-2 inhibitors (SGLT-2i) in patients with type 2 diabetes (T2D) at high CV risk. Prior real-world data suggested similar SGLT-2i effects in T2D patients with broader risk profile, but focused on heart failure and death, and were limited to US and Europe. OBJECTIVES: To examine a broad range of CV outcomes in patients initiated on SGLT-2i vs. other glucose lowering drugs (oGLD) across six countries in Asia Pacific, Middle East and North America (NCT02993614)...
March 7, 2018: Journal of the American College of Cardiology
Ji-Hyun Bae, Gaeun Kim
One of the typical symptoms of a psychological crisis is depression, an increasing concern in the elderly population. Although omega-3-polyunsaturated fatty acids (PUFAs) are reported to be promising nutrients for treating depression, currently, there are no systematic reviews or meta-analyses of randomized control trials that provide critical evidence regarding the potential benefits of omega-3 fatty acids in elderly patients with depression. This analysis was conducted to provide evidence for the clinical application of omega-3 fatty acids in the treatment of depressive symptoms of elderly subjects older than 65 years...
February 2018: Nutrition Research
Yoonhee Kim, Chris Fook Sheng Ng, Yeonseung Chung, Ho Kim, Yasushi Honda, Yue Leon Guo, Youn-Hee Lim, Bing-Yu Chen, Lisa A Page, Masahiro Hashizume
BACKGROUND: There is growing evidence suggesting an association between air pollution and suicide. However, previous findings varied depending on the type of air pollutant and study location. OBJECTIVES: We examined the association between air pollutants and suicide in 10 large cities in South Korea, Japan, and Taiwan. METHODS: We used a two-stage meta-analysis. First, we conducted a time-stratified case-crossover analysis to estimate the short-term association between nitrogen dioxide (NO 2 ), sulfur dioxide (SO 2 ), and particulate matter [aerodynamic diameter ≤10μm (PM10 ), aerodynamic diameter ≤2...
March 6, 2018: Environmental Health Perspectives
Tackeun Kim, O-Ki Kwon, Heeyoung Lee, Min Jai Cho, Hyun Jean Jeong, Seung Pil Ban
OBJECTIVE: To investigate nationwide statistics on flow-diverting stent usage for cerebral aneurysm treatment and related mortality data. METHODS: We requested data extraction from the National Health Insurance Service claims database using electronic data interchange codes (J3207064, J3207073). Patient and hospital information as well as death statistics were collected from the database. RESULTS: A total of 169 procedures were performed using flow-diverting stents for cerebral aneurysm treatment from November 2014 to December 2016 in Korea...
March 2018: Journal of Korean Neurosurgical Society
Janine Kröger, Karina Meidtner, Norbert Stefan, Marcela Guevara, Nicola D Kerrison, Eva Ardanaz, Dagfinn Aune, Heiner Boeing, Miren Dorronsoro, Courtney Dow, Guy Fagherazzi, Paul W Franks, Heinz Freisling, Marc J Gunter, José María Huerta, Rudolf Kaaks, Timothy J Key, Kay Tee Khaw, Vittorio Krogh, Tilman Kühn, Francesca Romana Mancini, Amalia Mattiello, Peter M Nilsson, Anja Olsen, Kim Overvad, Domenico Palli, J Ramón Quirós, Olov Rolandsson, Carlotta Sacerdote, Núria Sala, Elena Salamanca-Fernández, Ivonne Sluijs, Annemieke Mw Spijkerman, Anne Tjonneland, Konstantinos K Tsilidis, Rosario Tumino, Yvonne T van der Schouw, Nita G Forouhi, Stephen J Sharp, Claudia Langenberg, Elio Riboli, Matthias B Schulze, Nicholas J Wareham
Fetuin-A, a hepatic-origin protein, is strongly positively associated with risk of type 2 diabetes in human observational studies, but it is unknown whether this association is causal. We aimed to study the potential causal relation of circulating fetuin-A to risk of type 2 diabetes in a Mendelian Randomization study with SNPs located in the fetuin-A-encoding AHSG gene. We used data from eight European countries of the prospective EPIC-InterAct case-cohort study including 10,020 incident cases. Plasma fetuin-A concentration was measured in a subset of 965 subcohort participants and 654 cases...
March 9, 2018: Diabetes
In-Soo Kim, Hyun-Jung Kim, Tae-Hoon Kim, Jae-Sun Uhm, Boyoung Joung, Moon-Hyoung Lee, Hui-Nam Pak
BACKGROUND: To evaluate the efficacy and safety of non-vitamin K antagonist oral anticoagulants (NOACs) in elderly patients (aged ≥75 years) with atrial fibrillation (AF), depending on dose and/or renal function. METHODS: After systematically searching the databases (Medline, EMBASE, CENTRAL, SCOPUS, and Web of Science), 5 phase III randomized controlled trials and reported data according to subgroups of elderly/non-elderly AF patients, comparing any NOACs and warfarin were included...
March 5, 2018: Journal of Cardiology
Kim Rud Ekstrand, Thais Gimenez, Fernanda R Ferreira, Fausto M Mendes, Mariana M Braga
The aims of this study were: (1) to evaluate the overall reproducibility and accuracy of the International Caries Detection and Assessment System (ICDAS) for assessing coronal caries lesions, and (2) to investigate the use of systems associated with the ICDAS for activity assessment of coronal caries lesions. Specific search strategies were adopted to identify studies published up to 2016. For the first objective, we selected studies that assessed primary coronal caries lesions using the ICDAS as a reference standard...
March 8, 2018: Caries Research
Dami Kang, Youngyo Kim, Youjin Je
BACKGROUND/OBJECTIVES: Recent epidemiological studies have examined associations between various types of non-alcoholic beverage consumption and risk of depression, but the associations were inconsistent. To provide a quantitative assessment of this association, we performed a systematic review and meta-analysis of observational studies. SUBJECTS/METHODS: We searched PubMed and Web of Science databases through February 2017 for eligible studies and examined the reference lists of the retrieved articles...
March 2, 2018: European Journal of Clinical Nutrition
Charan Yerasi, Mohamad Lazkani, Prathik Kolluru, Varun Miryala, Jae Kim, Harsha Moole, Abhishek C Sawant, Michael Morris, Ashish Pershad
BACKGROUND: Left atrial appendage occlusion (LAAO) is a promising intervention for stroke prevention in patients with non-valvular atrial fibrillation (NVAF). Early outcomes following LAAO have been published in many studies with variable results. OBJECTIVE: This updated meta-analysis aims to provide a summary of the early outcomes of LAAO. METHODS: Medline/Pubmed, Ovid Journals, Clinical trials, Abstract meetings, Cochrane databases were searched from January 1st, 1999 to November 30th, 2016...
March 1, 2018: Journal of Interventional Cardiology
Junghyun Jung, Go Woon Kim, Woosuk Lee, Changsoo Mok, Sung Hyun Chung, Wonhee Jang
Ample evidence indicates that insulin resistance (IR) is closely related to white adipose tissue (WAT), but the underlying mechanisms of IR pathogenesis are still unclear. Using 352 microarray datasets from seven independent studies, we identified a meta-signature which comprised of 1,413 genes. Our meta-signature was also enriched in overall WAT in in vitro and in vivo IR models. Only 12 core enrichment genes were consistently enriched across all IR models. Among the meta-signature, we identified a drug signature made up of 211 genes with expression levels that were co-regulated by thiazolidinediones and metformin using cross-species analysis...
February 27, 2018: Scientific Reports
Jin-Sung Yuk, Jung Hun Lee, Won I Park, Hyeong Sik Ahn, Hyun Jung Kim
BACKGROUND: It remains unclear which methotrexate protocol for the treatment of ectopic pregnancy has a higher success rate or a higher adverse effect rate. OBJECTIVE: To compare the treatment success rates and adverse effect rates of single-dose and non-single-dose (two-dose and multi-dose) methotrexate protocols in the treatment of ectopic pregnancy. SEARCH STRATEGY: Various databases including Medline, Embase, and the Cochrane Central Register of Controlled Trials were searched on July 1, 2017, using search terms including "methotrexate" and "pregnancy...
February 27, 2018: International Journal of Gynaecology and Obstetrics
Kyoungjune Pak, Seunghyeon Shin, Seong-Jang Kim, In-Joo Kim, Samuel Chang, Phillip Koo, Jennifer Kwak, Jae-Ho Kim
PURPOSE: The purpose of this study was to evaluate the response of retinoic acid (RA) in radioactive iodine (RAI)-refractory differentiated thyroid cancer (DTC). METHODS: Systematic searches of MEDLINE (from inception to December 2016) and of EMBASE (from inception to December 2016) were performed for English-language publications on thyroid cancer treated with RA. Studies were classified according to the response criteria used: (1) 123I or 131I whole body scintigraphy (WBS), (2) serum thyroglobulin (Tg) level, (3) the response evaluation criteria in solid tumors (RECIST) version 1...
2018: Oncology Research and Treatment
Hyunsuk Jeong, Hyeon Woo Yim, Hun-Jun Park, Youngseung Cho, Hanter Hong, Na Jin Kim, Il-Hoan Oh
Background and Objectives: Mesenchymal stem cells (MSC) have emerged as breakthrough treatments for myocardial infarction. However, the efficacy of MSC remains unclear. The aim of the study was to evaluate treatment effect of MSC in terms of mechanical, regenerative, and clinical outcomes for patients with myocardial infarction (MI) using meta-analysis. Methods: A systematic search and critical review of MEDLINE, EMBASE, and Cochrane database literature published from inception through December 2017 was performed...
February 28, 2018: International Journal of Stem Cells
Tanya M Teslovich, Daniel Seung Kim, Xianyong Yin, Alena Stancáková, Anne U Jackson, Matthias Wielscher, Adam Naj, John R B Perry, Jeroen R Huyghe, Heather M Stringham, James P Davis, Chelsea K Raulerson, Ryan P Welch, Christian Fuchsberger, Adam E Locke, Xueling Sim, Peter S Chines, Narisu Narisu, Antti J Kangas, Pasi Soininen, Mika Ala-Korpela, Vilmundur Gudnason, Solomon K Musani, Marjo-Riitta Jarvelin, Gerard D Schellenberg, Elizabeth K Speliotes, Johanna Kuusisto, Francis S Collins, Michael Boehnke, Markku Laakso, Karen L Mohlke
Comprehensive metabolite profiling captures many highly heritable traits, including amino acid levels, which are potentially sensitive biomarkers for disease pathogenesis. To better understand the contribution of genetic variation to amino acid levels, we performed single variant and gene-based tests of association between nine serum amino acids (alanine, glutamine, glycine, histidine, isoleucine, leucine, phenylalanine, tyrosine, and valine) and 16.6 million genotyped and imputed variants in 8,545 non-diabetic Finnish men from the METabolic Syndrome In Men (METSIM) study...
February 21, 2018: Human Molecular Genetics
Kerry Chen, Madeleine Didsbury, Anita van Zwieten, Martin Howell, Siah Kim, Allison Tong, Kirsten Howard, Natasha Nassar, Belinda Barton, Suncica Lah, Jennifer Lorenzo, Giovanni Strippoli, Suetonia Palmer, Armando Teixeira-Pinto, Fiona Mackie, Steven McTaggart, Amanda Walker, Tonya Kara, Jonathan C Craig, Germaine Wong
BACKGROUND AND OBJECTIVES: Poor cognition can affect educational attainment, but the extent of neurocognitive impairment in children with CKD is not well understood. This systematic review assessed global and domain-specific cognition and academic skills in children with CKD and whether these outcomes varied with CKD stage. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: Electronic databases were searched for observational studies of children with CKD ages 21 years old or younger that assessed neurocognitive or educational outcomes...
February 22, 2018: Clinical Journal of the American Society of Nephrology: CJASN
M K Kim, S K Myung, B T Tran, B Park
PURPOSE: Several meta-analyses of randomized controlled trials (RCTs) reported no association between the use of statins and the risk of cancer. However, they included open-label RCTs, which did not use placebo as a control group. This study aimed to evaluate the effect of statins on cancer risk using a meta-analysis of randomized, double-blind, placebo-controlled trials (RDBPCTs). METHODS: We searched PubMed, EMBASE, and the Cochrane Library in March 2016. Two individual authors reviewed and selected RDBPCTs based on selection criteria...
April 2017: Indian Journal of Cancer
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