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| 1 | Body-mass index correlates with severity and mortality in acute pancreatitis: A meta-analysis显示文摘BACKGROUND Obesity rates have increased sharply in recent decades. As there is a growing number of cases in which acute pancreatitis(AP) is accompanied by obesity, we found it clinically relevant to investigate how body-mass index(BMI) affects the outcome of the disease.AIM To quantify the association between subgroups of BMI and the severity and mortality of AP.METHODS A meta-analysis was performed using the Preferred Reporting Items for Systematic Review and Meta-Analysis(PRISMA) Protocols. Three databases(PubMed, EMBASE and the Cochrane Library) were searched for articles containing data on BMI, disease severity and mortality rate for AP. Englishlanguage studies from inception to 19 June 2017 were checked against our predetermined eligibility criteria. The included articles reported all AP cases with no restriction on the etiology of the disease. Only studies that classified AP cases according to the Atlanta Criteria were involved in the severity analyses. Odds ratios(OR) and mean differences(MD) were pooled using the random effects model with the DerSimonian-Laird estimation and displayed on forest plots. The meta-analysis was registered in PROSPERO under number CRD42017077890.RESULTS A total of 19 articles were included in our meta-analysis containing data on 9997 patients. As regards severity, a subgroup analysis showed a direct association between AP severity and BMI. BMI < 18.5 had no significant effect on severity;however, BMI > 25 had an almost three-fold increased risk for severe AP in comparison to normal BMI(OR = 2.87, 95%CI: 1.90-4.35, P < 0.001). Importantly,the mean BMI of patients with severe AP is higher than that of the non-severe group(MD = 1.79, 95%CI: 0.89-2.70, P < 0.001). As regards mortality, death rates among AP patients are the highest in the underweight and obese subgroups. A BMI < 18.5 carries an almost two-fold increase in risk of mortality compared to normal BMI(OR = 1.82, 95%CI: 1.32-2.50, P < 0.001). However, the chance of mortality is almost equal in the normal BMI and BMI 25-30 subgroups. A BMI >30 results in a three times higher risk of mortality in comparison to a BMI < 30(OR = 2.89, 95%CI: 1.10-7.36, P = 0.026).CONCLUSION Our findings confirm that a BMI above 25 increases the risk of severe AP, while a BMI > 30 raises the risk of mortality. A BMI < 18.5 carries an almost two times higher risk of mortality in AP. | Dalma Dobszai Péter Mátrai Zoltan Gyongyi Dezso Csupor Judit Bajor Balint Eross Alexandra Mikó Lajos Szakó Agnes Meczker Roland Hágendorn Katalin Márta Andrea Szentesi Péter Hegyi on behalf of the Hungarian Pancreatic Study Group | 2019 | World Journal of Gastroenterology2019，25，6： | 11 |
| 2 | Intralesional steroid is beneficial in benign refractory esophageal strictures:A meta-analysis显示文摘AIM To analyze the effect of intralesional steroid injections in addition to endoscopic dilation of benign refractory esophageal strictures.METHODS A comprehensive search was performed in three databases from inception to 10 April 2017 to identify trials, comparing the efficacy of endoscopic dilation to dilation combined with intralesional steroid injections. Following the data extraction, meta-analytical calculations were performed on measures of outcome by the randomeffects method of Der Simonian and Laird. Heterogeneity of the studies was tested by Cochrane's Q and I^2 statistics. Risk of quality and bias was assessed by the Newcastle Ottawa Scale and JADAD assessment tools.RESULTS Eleven articles were identified suitable for analyses, involving 343 patients, 235 cases and 229 controls in total. Four studies used crossover design with 121 subjects enrolled. The periodic dilation index(PDI) was comparable in 4 studies, where the pooled result showed a significant improvement of PDI in the steroid group(MD:-1.12 dilation/month, 95% CI:-1.99 to -0.25 P = 0.012; I^2 = 74.4%). The total number of repeat dilations(TNRD) was comparable in 5 studies and showed a non-significant decrease(MD:-1.17, 95%CI:-0.24-0.05, P = 0.057; I^2 = 0), while the dysphagia score(DS) was comparable in 5 studies and did not improve(SMD: 0.35, 95%CI:-0.38, 1.08, P = 0.351; I^2 = 83.98%) after intralesional steroid injection.CONCLUSION Intralesional steroid injection increases the time between endoscopic dilations of benign refractory esophageal strictures. However, its potential role needs further research. | László Szapáry Benedek Tinusz Nelli Farkas Katalin Márta Lajos Szakó Agnes Meczker Roland Hágendorn Judit Bajor Aron Vincze Zoltan Gyongyi Alexandra Mikó Dezso Csupor Péter Hegyi Balint Eross | 2018 | World Journal of Gastroenterology2018，24，21： | 7 |
| 3 | Single-atom heterogeneous catalysts based on distinct carbon nitride scaffolds显示文摘Carbon nitrides integrating macroheterocycles offer unique potential as hosts for stabilizing metal atoms due to their rich electronic structure. To date, only graphitic heptazine-based polymers have been studied.Here, we demonstrate that palladium atoms can be effectively isolated on other carbon nitride scaffolds including linear melem oligomers and poly(triazine/heptazine imides). Increased metal uptake was linked to the larger cavity size and the presence of chloride ions in the polyimide structures. Changing the host structure leads to significant variation in the average oxidation state of the metal, which can be tuned by exchange of the ionic species as evidenced by X-ray photoelectron spectroscopy and supported by density functional theory. Evaluation in the semi-hydrogenation of 2-methyl-3-butyn-2-ol reveals an inverse correlation between the activity and the degree of oxidation of palladium, with oligomers exhibiting the highest activity. These findings provide new mechanistic insights into the influence of the carbon nitride structure on metal stabilization. | Zupeng Chen Evgeniya Vorobyeva Sharon Mitchell Edvin Fako Núria López Sean M.Collins Rowan K.Leary Paul A.Midgley Roland Hauert Javier Pérez-Ramírez | 2018 | National Science Review2018，5，5： | 4 |
| 4 | Chronic kidney disease severely deteriorates the outcome of gastrointestinal bleeding: A meta-analysis显示文摘AIM To understand the influence of chronic kidney disease(CKD) on mortality, need for transfusion and rebleeding in gastrointestinal(GI) bleeding patients.METHODS A systematic search was conducted in three databases for studies on GI bleeding patients with CKD or endstage renal disease(ESRD) with data on outcomes of mortality, transfusion requirement, rebleeding rate and length of hospitalization(LOH). Calculations were performed with Comprehensive Meta-Analysis software using the random effects model. Heterogeneity was tested by using Cochrane's Q and I2 statistics. Mean difference(MD) and OR(odds ratio) were calculated.RESULTS1063 articles(EMBASE: 589; PubM ed: 459; Cochrane: 15) were found in total. 5 retrospective articles and 1 prospective study were available for analysis. These 6 articles contained data on 406035 patients, of whom 51315 had impaired renal function. The analysis showed a higher mortality in the CKD group(OR = 1.786, 95%CI: 1.689-1.888, P < 0.001) and the ESRD group(OR = 2.530, 95%CI: 1.386-4.616, P = 0.002), and a rebleeding rate(OR = 2.510, 95%CI: 1.521-4.144, P < 0.001) in patients with impaired renal function. CKD patients required more unit red blood cell transfusion(MD = 1.863, 95%CI: 0.812-2.915, P < 0.001) and spent more time in hospital(MD = 13.245, 95%CI: 6.886-19.623, P < 0.001) than the controls.CONCLUSION ESRD increases mortality, need for transfusion, rebleeding rate and LOH among GI bleeding patients. Prospective patient registries and observational clinical trials are crucially needed. | Roland Hágendorn Nelli Farkas Aron Vincze Zoltán Gyongyi Dezso Csupor Judit Bajor Bálint Eross Péter Csécsei Andrea Vasas Zsolt Szakács László Szapáry Péter Hegyi Alexandra Mikó | 2017 | World Journal of Gastroenterology2017，23，47： | 3 |
| 5 | IL-6 trans-signaling promotes pancreatitis-associated lung injury and lethality显示文摘 | Zhang Hong Neuh?fer Patrick Song Liang Rabe Bj?rn Lesina Marina Kurkowski Magdalena U Treiber Matthias Wartmann Thomas Regnér Sara Thorlacius Henrik Saur Dieter Weirich Gregor Yoshimura Akihiko Halangk Walter Mizgerd Joseph P Schmid Roland | 2013 | Journal of Clinical Investigation2013，，3： | 2 |
| 6 | Microstructure of model cermets with high Mo or W content显示文摘 | Gustafson P Rolander U | 1999 | International Journal of RM&HM1999，17，6： | 1 |
| 7 | Microstructure of model cermets with high Mo or W content显示文摘 | LINDAHL P GUSTAFSON P ROLANDER U STALS L ANDREN H O | 1999 | International Journal of Refractory Metals & Hard Materials1999，17，6： | 1 |
| 8 | Microstructure of model cermets with high Mo or W content显示文摘 | Lindahl P Gustafson P Rolander U | 1999 | Int J Refract Metals Hard Mater1999，17，6： | 1 |
| 9 | Analysis of ochratoxin A in grapes, musts and wines by LC–MS/MS: First comparison of stableisotope dilution assay and diastereomeric dilution assay methods显示文摘 | Roland A Bros P Bouisseau A | 2014 | Analytica Chimica Acta2014，818，： | 1 |
| 10 | PLFA Analyses of microbialcommunities associated with PAH-contaminated river-banksediment显示文摘 | Brenda P Roland R Carl J G | 2012 | Microbial Ecology2012，64，： | 1 |
| 11 | Soil acidification without pH drop under intensive cropping systems in northeast Thailand显示文摘 | Gregory L Roland P Andrew N | 2006 | Agriculture Ecosystems and Environment2006，114，： | 1 |
| 12 | Determination of Red Blood Cell Velocity by Video Shuttering and Image Analysis 显示文摘 | Anadn A P Shruti A J Roland N P | 1999 | Annals of Biomedical Engineering1999，27，3： | 1 |
| 13 | Lack of antioxidant activity of the antiatherogenic compound L-arginine 显示文摘 | ADAMS M R CO V P ROLAND S | 1999 | Atherosclerosis1999，146，2： | 1 |
| 14 | Microbiology of normal external auditory canal显示文摘 | STROMAN D W ROLAND P S DOHAR J | 2001 | Laryngoscope2001，111，： | 1 |
| 15 | Body weight and semen production of broiler breeder males as influenced by crude protein levels and feeding regimens during rearing显示文摘 | MCDANIE G R ROLAND D A LIU P | 1999 | Poult Sci1999，78，2： | 1 |
| 16 | Vistiation in critical care: processes and outcomes of a peorformance improvement init iative显示文摘 | Roland P Russell J Richards KC | 2001 | J Nures Care Qual2001，15，2： | 1 |
| 17 | A quantitative analysis of sensations of tension and of kinaesthesia in man Evi- dence for a peripherally originating muscular sense and for a sense of effort显示文摘 | ROLAND P E LADEGAARD-PEDERSEN H | 1977 | Brain1977，100，4： | 1 |
| 18 | The bulk modulus and Poisson's ratio of' incompressible' materials 显示文摘 | Mott P H Dorganl J R Roland C M | 2008 | Journal of Sound and Vibration2008，312，45： | 1 |
| 19 | Magnetic liposomes and entrapping : time-resolved neutron scattering TR-SANS and electron microscopy显示文摘 | Thomas Nawroth Monika Rusp Roland P May | 2004 | Physica B: Physics of Condensed Matter2004，，1： | 1 |
| 20 | Generalized macroscopic models for fluid flow in deformable porous media Ⅰ:Theories显示文摘 | Yan P Roland N H | 2001 | Transport in Porous Media2001，45，1： | 1 |
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