维普中文期刊产品整合服务
247篇 您的检索式:作者名="Steven G D"
    题名 作者 年代 出处 被引量
1Neutropenic enterocolitis显示文摘Neutropenic colitis is a severe condition usually affecting immunocompromised patients. Its exact pathogenesis is not completely understood. The main elements in disease onset appear to be intestinal mucosal injury together with neutropenia and the weakened immune system of the afflicted patients. These initial conditions lead to intestinal edema, engorged vessels, and a disrupted mucosal surface, which becomes more vulnerable to bacterial intramural invasion. Chemotherapeutic agents can cause direct mucosal injury(mucositis) or can predispose to distension and necrosis, thereby altering intestinal motility. This article aims to review current concepts regarding neutropenic colitis' pathogenesis, diagnosis, and management.Fabio G Rodrigues Giovanna Dasilva Steven D Wexner 2017World Journal of Gastroenterology2017,23,1:10
2腹腔镜外科学基础认证项目简介及其对中国外科医师的意义显示文摘腹腔镜外科学基础(FLS)项目是普通外科中第1个经过验证的操作和认知考核项目.FLS由美国胃肠内镜外科医师协会(SAGES)开发并得到美国外科医学委员会(ABS)的支持.ABS要求所有拟参加普通外科医师执业资格考试前必须通过FLS考试.在美国,普通外科医师执业资格考试是取得执业资格的第一步.本文回顾了FLS项目在美国取得的成功经验,并就该项目在中国推广标准化腹腔镜外科技术中的应用和获益进行了介绍.Linda P Zhang Samuel R G Finlayson Allan Okrainec Steven D Schwaitzberg 2014中华消化外科杂志2014,13,9:5
3Ovarian autoimmune disease: clinical concepts and anima models显示文摘卵巢不是一个 immunologically 给予优惠的机关,但是在为卵巢特定的抗原的 tolerogenic 机制的一个故障在生育力上有灾难性的后果在里面女人,和这在自体免疫的疾病的鼠科的模型被复制。孤立的卵巢的自体免疫的疾病在女人是稀罕的,由于疾病和无能到的严厉可能播送越过代授与卵巢的疾病的基因信息。尽管如此,自体免疫的卵巢炎经常与另外的自体免疫的疾病联合被观察,特别地自体免疫的肾的疾病,并且在社会和单个健康上拿使用费。在老鼠的研究揭示了保护卵巢免受自体免疫的攻击的伤害的至少二机制。这些机制为自体免疫的管理者(亚耳河) 由导出胸腺的规章的 T 房间,以及一个角色包括 autoreactive T 房间的控制,在髓的 thymic 导致限制织物的抗原的表示的一个 transcriptional 管理者上皮的房间在 T 房间的开发期间。尽管后者机制不完全地被定义,也的失败导致自体免疫调停指向和卵巢的滤泡的弄空,这很好被建立。在这评论,我们将探讨自体免疫调停的临床的特征和后果在女人的卵巢的不孕,以及由动物揭示了的疾病的可能的机制当模特儿。Bryce D Warren William K Kinsey Lynda K McGinnis Lane K Christenson Susmita Jasti Anne M Stevens Brian K Petroff Margaret G Petroff 2014Cellular & Molecular Immunology2014,11,6:3
4Evaluating the accuracy of American Society for Gastrointestinal Endoscopy guidelines in patients with acute gallstone pancreatitis with choledocholithiasis显示文摘BACKGROUND Acute gallstone pancreatitis(AGP) is the most common cause of acute pancreatitis(AP) in the United States. Patients with AGP may also present with choledocholithiasis. In 2010, the American Society for Gastrointestinal Endoscopy(ASGE) suggested a management algorithm based on probability for choledocholithiasis, recommending additional imaging for patients at intermediate risk and endoscopic retrograde cholangiopancreatography(ERCP) for patients at high risk of choledocholithiasis. In 2019, the ASGE guidelines were updated using more specific criteria to categorize individuals at high risk for choledocholithiasis. Neither ASGE guideline has been studied in AGP to determine the probability of having choledocholithiasis.AIM To determine compliance with ASGE guidelines, assess outcomes, and compare 2019 vs 2010 ASGE criteria for suspected choledocholithiasis in AGP.METHODS We conducted a retrospective cohort study of 882 patients admitted with AP to a single tertiary care center from 2008-2018. AP was diagnosed using revised Atlanta criteria and AGP was defined as the presence of gallstones on imaging or with cholestatic pattern of liver injury in the absence of another cause. Patients with chronic pancreatitis and pancreatic malignancy were excluded as were those who went directly to cholecystectomy prior to assessment for choledocholithiasis. Patients were assigned low, intermediate or high risk based on ASGE guidelines. Our primary outcomes of interest were the proportion of patients in the intermediate risk group undergoing magnetic resonance cholangiopancreatography(MRCP) first and the proportion of patients in the high risk group undergoing ERCP directly without preceding imaging. Secondary outcomes of interest included outcome differences based on if guidelines were not adhered to. We then evaluated the diagnostic accuracy of 2019 in comparison to the 2010 ASGE criteria for patients with suspected choledocholithiasis. We performed the t test or Wilcoxon rank sum test, as appropriate, to analyze if there were outcome differences based on if guidelines were not adhered to. Kappa coefficients were calculated to measure the degree of agreement between pairs of variables.RESULTS In this cohort, we identified 235 patients with AGP of which 79 patients were excluded as they went directly to surgery for cholecystectomy without prior MRCP or ERCP. Of the remaining 156 patients, 79 patients were categorized as intermediate risk and 77 patients were high risk for choledocholithiasis according to the 2010 ASGE guidelines. Among 79 intermediate risk patients, 54(68%) underwent MRCP first whereas 25 patients(32%) went directly to ERCP. For the 54 patients with intermediate risk who had MRCP first, 36 patients had no choledocholithiasis while 18 patients had evidence of choledocholithiasis prompting ERCP. Of these patients, ERCP confirmed stone disease in 11 patients. Of the 25 intermediate risk patients who directly underwent ERCP, 18 patients had stone disease. One patient with a normal ERCP developed post ERCP pancreatitis. Patients undergoing MRCP in this group had a significantly longer length of stay(5.0 vs 4.0 d, P = 0.02). In the high risk group, 64 patients(83%) had ERCP without preceding imaging, of which, 53 patients had findings consistent with choledocholithiasis, of which 13 patients(17%) underwent MRCP before ERCP, all of which showed evidence of stone disease. Furthermore, all of these patients ultimately had an ERCP, of which 8 patients had evidence of stones and 5 had normal examination.RESULTS Our cohort also demonstrated that 58% of all 156 patients with AGP had confirmed choledocholithiasis(79% of the high risk group and 37% of the intermediate group when risk was assigned based on the 2010 ASGE guidelines). When the updated 2019 ASGE guidelines were applied instead of the original 2010 guidelines, there was moderate agreement between the 2010 and 2019 guidelines(kappa = 0.46, 95%CI: 0.34-0.58). Forty-two of 77 patients were still deemed to be high risk and 35 patients were downgraded to intermediate risk. Thirty-five patients who were originally assigned high risk were reclassified as intermediate risk. For these 35 patients, 26 patients had ERCP findings consistent with choledocholithiasis and 9 patients had a normal examination. Based on the 2019 criteria, 9/35 patients who were downgraded to intermediate risk had an unnecessary ERCP with normal findings(without a preceding MRCP).CONCLUSION Two-thirds in intermediate risk and 83% in high risk group followed ASGE guidelines for choledocholithiasis. One intermediate-group patient with normal ERCP had post-ERCP AP, highlighting the risk of unnecessary procedures.Supisara Tintara Ishani Shah William Yakah Awais Ahmed Cristina S Sorrento Cinthana Kandasamy Steven D Freedman Darshan J Kothari Sunil G Sheth 2022World Journal of Gastroenterology2022,28,16:3
5Cardiac resynchronization therapy for the treatment of heart failure in patients with intraventricular conduction delay and malignant ventricular tachyarrhythmias显示文摘Steven L Higgins John D Hummel Imran K Niazi Michael C Giudici Seth J Worley Leslie A Saxon John P Boehmer Michael B Higginbotham Teresa De Marco Elyse Foster Patrick G Yong 2003Journal of the American College of Cardiology2003,,8:2
6Apparent digestibility of gross nutrients from feedstuffs in extruded feeds for rainbow trout (Oncorhynchus mykiss ) 显示文摘GAYLORD T G BARROWS F T STEVEN D R 2008Journal of the World Aquaculture Society2008,39,6:1
7C-Methyl-flavonoids from the leaf waxes of some Myrtaceae显示文摘Eckhard Wollenweber Rüdiger Wehde Marion D?rr Günter Lang Jan F Stevens 2000Phytochemistry2000,,8:1
8Finding drug targets in microbial genomes 显示文摘Timothy D R Steven R G Herve T 2001Res Focus2001,6,17:1
9Residential magnetic fields and the risk of breast cancer显示文摘DAVIS S MIRICK D K STEVENS R G 2002Am J Epidemiol2002,155,5:1
10MinimaLLy invasive surgery for uroLogic disease in chiLdren显示文摘DanieLLe D Sweeney Marc C SmaLdone and Steven G Docimo 2007NATURE CLINICAL PRACTICE2007,4,:1
11Nonsynonymous polymorphisms in the circadian gene NPAS2 and breast cancer risk显示文摘Zhu Y Stevens R G Leaderer D 2008Breast Cancer Res Treat2008,107,3:1
12Deterruination of trace concentrations of volatile organic compounds in groudwater using cloosed-loop stripping, edwards aquifer, texas 显示文摘PAUL M BUSZKA STEVEN D ZAUGG MARILYN G WERNER 1990Environmental Contimaination and Toxicology1990,45,:1
13Management of diabetes mellitus complicating pregnancy 显示文摘Steven G Gabble M D Cornelia R 2003Obstet Gynecol2003,102,4:1
14A quantification of short-term macroaggregate dynamics: influences of wheat residue input and texture显示文摘STEVEN D G JOHAN S CYNTHIA B 2005Soil Biology & Biochemistry2005,37,:1
15The geographic range: size, shape,boundaries and internal structure显示文摘BROWN J H STEVENS G C KAUFMAN D M 1996Annual Review of Ecology And Systematics1996,27,:1
16Lipid profiling identifies a triacylglycerol signature of insulin resistance and improves diabetes prediction in humans显示文摘Rhee Eugene P Cheng Susan Larson Martin G Walford Geoffrey A Lewis Gregory D McCabe Elizabeth Yang Elaine Farrell Laurie Fox Caroline S O’Donnell Christopher J Carr Steven A Vasan Ramachandran S Florez Jose C Clish Clary B Wang Thomas J Ger 2011Journal of Clinical Investigation2011,,4:1
17Residential magneticfields and the risk of breast cancer显示文摘Davis S Mirick D K Stevens R G 2002American Journalof Epidemiology2002,155,5:1
18Development of a Robust Ring - Closing Metathesis Reaction in the Synthesis of SB - 462795, a Cathepsin K Inhibitor显示文摘Huan W Steven N G Qunying D 2008Org Process Res Dev2008,12,:1
19ptimization of soil-adjusted vegetation indices显示文摘Rondeaux G Steven M D Baret F 1996Remote Sensing of Environment1996,55,:1
20Residential magnetic fields and the risk of breast cancer显示文摘Davis S Mirick D K Stevens R G 2002American Journal of Epidemiology2002,155,5:1
返回顶部 每页显示:
共13页 首页 上一页 第1页 下一页 末页 /13 跳转

网站首页 | 关于我们 | 联系我们 | 产品服务 | 客服中心 | 广告服务 | 版权声明 | 网站联盟 | 友情链接 | 售卡网点

版权所有© 渝B2-20050021-1 渝公网安备 50019002500403号 违法和不良信息举报中心

互联网出版许可证 新出网证(渝)字10号 全国400电话 - 免长途话费