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516篇 您的检索式:作者名="Alan G"
    题名 作者 年代 出处 被引量
1Evolution and advances in laparoscopic ventral and incisional hernia repair显示文摘Primary ventral hernias and ventral incisional hernias have been a challenge for surgeons throughout the ages. In the current era, incisional hernias have increased in prevalence due to the very high number of laparotomies performed in the 20 th century. Even though minimally invasive surgery and hernia repair have evolved rapidly, general surgeons have yet to develop the ideal, standardized method that adequately decreases common postoperative complications, such as wound failure, hernia recurrence and pain. The evolution of laparoscopy and ventral hernia repair will be reviewed, from the rectoscopy of the 4th century to the advent of laparoscopy, from suture repair to the evolution of mesh reinforcement. The nuances of minimally invasive ventral and incisional hernia repair will be summarized, from preoperative considerations to variations in intraoperative practice. New techniques have become increasingly popular, such as primary defect closure, retrorectus mesh placement, and concomitant component separation. The advent of robotics has made some of these repairs more feasible, but only time and well-designed clinical studies will tell if this will be a durable modality for ventral and incisional hernia repair.Alan L Vorst Christodoulos Kaoutzanis Alfredo M Carbonell Michael G Franz 2015World Journal of Gastrointestinal Surgery2015,7,11:10
2On the mechanical behavior of the human biliary system显示文摘This paper reviews the progress made in understanding the mechanical behaviour of the biliary system. Gallstones and diseases of the biliary tract affect more than 10% of the adult population. The complications of gallstones, i.e. acute pancreatitis and obstructive jandice, can be lethal, and patients with acalculous gallbladder pain often pose diagnostic difficulties and undergo repeated ultrasound scans and oral cholecystograms. Moreover, surgery to remove the gallbladder in these patients, in an attempt to relieve the symptoms, gives variable results. Extensive research has been carried out to understand the physiological and pathological functions of the biliary system, but the mechanism of the pathogenesis of gallstones and pain production still remain poorly understood. It is believed that the mechanical factors play an essential role in the mechanisms of the gallstone formation and biliary diseases. However, despite the extensive literature in clinical studies, only limited work has been carried out to study the biliary system from the mechanical point of view. In this paper, we discuss the state of art knowledge of the fluid dynamics of bile flow in the biliary tract, the solid mechanics of the gallbladder and bile ducts, recent mathematical and numerical modelling of the system, and finally the future challenges in the area.Xiaoyu Luo Wenguang Li Nigel Bird Swee Boon Chin NA Hill Alan G Johnson 2007World Journal of Gastroenterology2007,13,9:9
3Standard forward-viewing colonoscopy versus full-spectrum endoscopy: an international, multicentre, randomised, tandem colonoscopy trial显示文摘Ian M Gralnek Peter D Siersema Zamir Halpern Ori Segol Alaa Melhem Alain Suissa Erwin Santo Alan Sloyer Jay Fenster Leon M G Moons Vincent K Dik Ralph B D’Agostino Douglas K Rex 2014Lancet Oncology2014,,3:6
4抗炎介质表达缺陷参与中性粒细胞型支气管哮喘发病机制:半乳糖凝集素-3和白细胞介素-1RA/白细胞介素-1beta比例显著下降显示文摘支气管哮喘(哮喘)是具有异质性的气道炎症性疾病,其主要特点表现为气道高反应和可变的气流受限。在哮喘的发病机制中,过敏原诱导的TH2淋巴细胞激活以及IL-5介导的嗜酸粒细胞渗出起到重要的作用。近年来发现超过50%的哮喘患者气道的嗜酸粒细胞水平并不增高,并将这种亚型定义为非嗜酸粒细胞型哮喘。其中部分患者表现为气道中性粒细胞明显增高,称为中性粒细胞型哮喘。高鹏 Peter G Gibson Katherine J Baines Ian A Yang John W Upham Paul N Reynolds Sandra Hodge Alan L James Christine Jenkins Matthew J Peters 张捷 Jodie L Simpson 2016中华结核和呼吸杂志2016,39,11:5
5Diagnostic accuracy of tests for Helicobacter pylori in an Alaska Native population显示文摘AIM:To evaluate the accuracy of two non-invasivetests in a population of Alaska Native persons. Highrates of Helico bacter pylori(H. pylori) infection,H. pylori treatment failure,and gastric cancer in this population necessitate documentation of infection status atmultiple time points over a patient's life.METHODS:In 280 patients undergoing endoscopy,H. pylori was diagnosed by culture,histology,rapidurease test,13C urea breath test(UBT) ,and immuno-globulin G antibodies to H. pylori in serum. The performances of 13C-UBT and antibody test were compared to a gold standard defined by a positive H. pylori testby culture or,in case of a negative culture result,bypositive histology and a positive rapid urease test.RESULTS:The sensitivity and specificity of the 13C-UBT were 93% and 88%,respectively,relative to thegold standard. The antibody test had an equivalents ensitivity of 93% with a reduced specificity of 68%.The false positive results for the antibody test were as-sociated with previous treatment for an H. pylori infection [relative risk(RR) = 2.8]. High levels of antibodiesto H. pylori were associated with chronic gastritis and male gender,while high scores in the 13C-UBT testwere associated with older age and with the H. pyloribacteria load on histological examination(RR = 4.4) .CONCLUSION:The 13C-UBT out performed the anti-body test for H. pylori and could be used when a non-invasive test is clinically necessary to document treatment out come or when monitoring for reinfection.Dana L Bruden Michael G Bruce Karen M Miernyk Julie Morris Debby Hurlburt Thomas W Hennessy Helen Peters Frank Sacco Alan J Parkinson Brian J McMahon 2011World Journal of Gastroenterology2011,17,42:3
6Determination of Organically Bound Tritium Background Level in Biological Samples From a Wide Area in the South-west of France显示文摘Pointurier F Baglan N Alanic G 2003J Environ Radioact2003,68,:2
7Melatonin modifies SOX2^+ cell proliferation in dentate gyrus and modulates SIRT1 and MECP2 in long-term sleep deprivation显示文摘Melatonin is a pleiotropic molecule that,after a short-term sleep deprivation,promotes the proliferation of neural stem cells in the adult hippocampus.However,this effect has not been observed in long-term sleep deprivation.The precise mechanism exerted by melatonin on the modulation of neural stem cells is not entirely elucidated,but evidence indicates that epigenetic regulators may be involved in this process.In this study,we investigated the effect of melatonin treatment during a 96-hour sleep deprivation and analyzed the expression of epigenetic modulators predicted by computational text mining and keyword clusterization.Our results showed that the administration of melatonin under sleep-deprived conditions increased the MECP2 expression and reduced the SIRT1 expression in the dentate gyrus.We observed that let-7 b,mir-132,and mir-124 were highly expressed in the dentate gyrus after melatonin administration,but they were not modified by sleep deprivation.In addition,we found more Sox2^+/5-bromo-2’-deoxyuridine(BrdU)^+cells in the subgranular zone of the sleep-deprived group treated with melatonin than in the untreated group.These findings may support the notion that melatonin modifies the expression of epigenetic mediators that,in turn,regulate the proliferation of neural progenitor cells in the adult dentate gyrus under long-term sleep-deprived conditions.All procedures performed in this study were approved by the Animal Ethics Committee of the University of Guadalajara,Mexico(approval No.CI-16610)on January 2,2016.Alan Hinojosa-Godínez Luis F. Jave-Suarez Mario Flores-Soto Alma Y. Gálvez-Contreras Sonia Luquín Edith Oregon-Romero Oscar González-Pérez Rocio E. González-Castaneda 2019Neural Regeneration Research2019,14,10:2
8Large cystic lesions of the liver in adults: a 15-year experience in a tertiary center 1 1 No competing interests declared.显示文摘Arie Regev K.Rajender Reddy Mariana Berho Dan Sleeman Joe U Levi Alan S Livingstone David Levi Unzila Ali Enrique G Molina Eugene R Schiff 2001Journal of the American College of Surgeons2001,,1:2
9Global malaria mortality between 1980 and 2010: a systematic analysis显示文摘Christopher JL Murray Lisa C Rosenfeld Stephen S Lim Kathryn G Andrews Kyle J Foreman Diana Haring Nancy Fullman Mohsen Naghavi Rafael Lozano Alan D Lopez 2012The Lancet2012,,9814:2
10Liver Planning Software Accurately Predicts Postoperative Liver Volume and Measures Early Regeneration显示文摘Amber L. Simpson David A. Geller Alan W. Hemming William R. Jarnagin Logan W. Clements Michael I. D’Angelica Prashanth Dumpuri Mithat G?nen Ivan Zendejas Michael I. Miga James D. Stefansic 2014Journal of the American College of Surgeons2014,,:2
11Antiinflammatory Properties of HDL显示文摘Philip J. Barter Stephen Nicholls Kerry-Anne Rye G M. Anantharamaiah Mohamad Navab Alan M. Fogelman 2004Circulation Research2004,,8:2
12Application of a new 2D time-domain full-waveform inversion scheme to crosshole radar data显示文摘Jacques R Ernst Alan G Green Hansruedi Maurer 2007Geophysics2007,72,5:1
13WNT signaling in ovarian follicle biology and tumorigenesis显示文摘Alexandre B Alan K G Derek B 2009Trends in Endocrinology and Metabolism2009,21,1:1
14Monetary Shocks and Relative Farm Prices: A Re-examination 显示文摘saac Alan G David E Rapach 1997American Journal of Agricultural Economics1997,,4:1
15Jones, Introduction to Special Section= the KTB Deep Drill Hole显示文摘Volker Haak Alan G 1997Journal of Geophysical Research1997,102,8:1
16No Significant Association of 14 Candidate Genes With Schizophrenia in a Large European Ancestry Sample: Implications for Psychiatric Genetics显示文摘Sanders Alan R Duan Jubao Levinson Douglas F Shi Jianxin He Deli Hou Cuiping Burrell Gregory J Rice John P Nertney Deborah A Olincy Ann Rozic Pablo Vinogradov Sophia Buccola Nancy G Mowry Bryan J Freedman Robert Amin Farooq Black Donald W 2008The American Journal of Psychiatry2008,,4:1
17Emerging roles of caspase-3 in apoptosis显示文摘Alan G Porter Reiner U 2006Cell Death Different2006,6,2:1
18A closed chamber CO2 flux method for estimating marsh productivity 显示文摘William J S Alan J G Michael A C 1998Aquatic Botany1998,62,:1
19The effect of co-occurring inorganic solutes on the removal of arsenic(V)from water using cationic surfactant micelles and an ultrafihration membrane显示文摘ERDOGAN E HATICE G ALAN F 2005Desalination2005,181,13:1
20A lignan and pyrone and other constituents from Hyptis capitata 显示文摘Gunvor T A Alan C H Kurt B G T 1991Phytochemistry1991,30,8:1
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