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1Management of gastroesophageal reflux disease: Patient and physician communication challenges and shared decision making显示文摘Gastroesophageal reflux disease(GERD) is a common upper esophageal condition and typical symptoms can include heartburn and sensation of regurgitation while atypical symptoms include chronic cough, asthma, hoarseness, dyspepsia and nausea. Typically, diag-nosis is presumptive given the presence of typical and atypical symptoms and is an indication for empiric therapy. Treatment management can include lifestyle modifications and/or medication therapy with proton pump inhibitor(PPI) class being the preferred and most effective. Complete symptom resolution is not always achieved and long-term PPI therapy can put patients at risk for serious side effects and needless expense. The brain-gut connection and hypervigilance plays an important role in symptom resolution and treatment success, especially in the case of non-PPI responders. Hypervigilance is a combination of increased esophageal sensory sensitivity in combination with exaggerated threat perception surrounding esophageal symptoms. Hypervigilance requires a different approach to GERD managements, where continued PPI therapy and surgery are usually not recommended. Rather, helping physicians and patients understand the brain-gut connection can guide and improve care.Education and reassurance should be the main pillars or treatment. However, it is important not to suggest the symptoms are due to anxiety alone, this often leads to patient dissatisfaction. Patient dissatisfaction with treatment reveals the need for a more patient-centered approach to GERD management and better communication between patients and providers. Shared decision making(SDM) with the incorporation of patient-reported outcomes(PRO) promotes patient adherence and satisfaction. SDM is a joint discussion between clinician and patient in which a mutually shared solution is explored for GERD symptoms. For SDM to work the physician needs to capture patients' perceptions which may not be obtained in the standard interview. This can be done through the use of PROs which promote a dialogue with patients about their symptoms and treatment priorities in the context of the SDM patient encounter. SDM could potentially help in the management of patient expectations for GERD treatment, ultimately positively impacting their health-related quality of life.Scott Klenzak Igor Danelisen Grace D Brannan Melissa A Holland Miranda AL van Tilburg 2018World Journal of Clinical Cases2018,6,15:10
2Therapeutic potential of targeting the renin angiotensin system in portal hypertension显示文摘Portal hypertension is responsible for the bulk of the morbidity and mortality in patients with cirrhosis.Drug therapy to reduce portal pressure involves targeting two vascular beds.The first approach is to reduce intra hepatic vascular tone induced by the activity of powerful vasocontrictors such as angiotensin Ⅱ,endothelin-1 and the sympathetic system and mediated via contraction of perisinusoidal myofibroblasts and pervascular smooth muscle cells.The second approach is to reduce mesenteric and portal blood flow.Non-selective b-blockers are widely used and have been shown to prolong patient survival and reduce oesophageal variceal bleeding in advanced cirrhosis.However many patients are unable to tolerate these drugs and they are ineffective in a significant proportion of patients.Unfortunately there are no other drug therapies that have proven efficacy in the treatment of portal hypertension and prevention of variceal bleeding.This review briefly outlines current therapeutic approaches to themanagement of portal hypertension,and the evidence supporting the role of the renin angiotensin system(RAS) and the use of RAS blockers in this condition.It will also outline recent advances in RAS research that could lead to the development of new treatments focusing in particular on the recently discovered 'alternate axis' of the RAS.Chandana B Herath Josephine A Grace Peter W Angus 2013World Journal of Gastrointestinal Pathophysiology2013,4,1:9
3Efficacy and safety of tenofovir in chronic hepatitis B: Australian real world experience显示文摘AIM To evaluate the long-term treatment outcomes of tenofovir therapy in patients in a real world Australian tertiary care setting.METHODS We performed a retrospective analysis of treatment outcomes among treatment-na?ve and treatment-experienced patients receiving a minimum 3 mo tenofovir therapy through St Vincent's Hospital Melbourne, Australia. We included patients receiving tenofovir [tenofovir disoproxil fumarate(TDF)] monotherapy, as well as patients treated with TDF in combination with a second antiviral agent. Patients were excluded if they demonstrated human immune-deficiency virus/hepatitis C virus/hepatitis delta virus coinfection or were less than 18 years of age. We considered virological and biochemicalresponse, as well as safety outcomes. Virological response was determined by measurement of hepatitis B virus(HBV) DNA using sensitive assays; biochemical response was determined via serum liver function tests; histological response was determined from liver biopsy and fibroscan; safety analysis focused on glomerular renal function and bone mineral density. The primary efficacy endpoint was complete virological suppression over time, defined by HBV DNA < 20 IU/m L. Secondary efficacy endpoints included rates of biochemical response, and HB e antigen(HBe Ag)/HB surface antigen loss and seroconversion over time.RESULTS Ninety-two patients were identified who fulfilled the enrolment criteria. Median follow-up was 26 mo(range 3-114). Mean age was 46(24-78) years, 64(70%) were male and 77(84%) were of Asian origin. 55(60%) patients were treatment-na?ve and 62 patients(67%) were HBe Ag-negative. Complete virological suppression was achieved by 45/65(71%) patients at 12 mo, 37/46(80%) at 24 mo and 25/28(89%) at 36 mo. Partial virological response(HBV DNA 20-2000 IU/m L) was achieved by 89/92(96.7%) of patients. Multivariate analysis showed a significant relationship between virological suppression at end of follow-up and baseline HBV DNA level(OR = 0.897, 95%CI: 0.833-0.967, P = 0.0046) and HBe Ag positive status(OR = 0.373, 95%CI: 0.183-0.762, P = 0.0069). There was no difference in response comparing treatment-na?ve and treatment-experienced patients. Three episodes of virological breakthrough occurred in the setting of noncompliance. Tenofovir therapy was well tolerated.CONCLUSION Tenofovir is an efficacious, safe and well-tolerated treatment in an Australian real-world tertiary care setting. Our data are similar to the reported experience from registration trials.Grace C Lovett Tin Nguyen David M Iser Jacinta A Holmes Robert Chen Barbara Demediuk Gideon Shaw Sally J Bell Paul V Desmond Alexander J Thompson 2017World Journal of Hepatology2017,9,1:7
4中、低收入国家卫生智囊团的实践影响政策变化显示文摘近年来,中、低收入国家独立卫生政策研究机构的数量与日俱增,原因在于政府研究能力有限和民主化进程中的压力。本研究的目标是:(1)调查中﹑低收入国家中卫生政策研究机构对卫生政策的议程设置﹑制定﹑执行、监管和评估所作的贡献;(2)评估包括组织形式和结构在内的哪些因素支持中﹑低收入国家的卫生政策研究机构对卫生政策发挥积极作用。本研究在孟加拉﹑加纳﹑印度﹑南非﹑乌干达和越南选取了6家卫生政策研究机构开展案例研究,研究对象包括两个非政府组织、两所大学和两个政府办政策研究机构。案例研究通过文献查阅、财务信息分析、对工作人员和其他利益相关人员进行半结构式访谈,以及对结论草案进行多次反馈等方式开展。其中有些机构对他们各自国家的政策发展作出了巨大贡献。这些机构都积极建言献策,多数从事与政策相关的研究,而开展政治对话﹑系统评价或委托性研究的机构则相对较少。这些机构所开展的工作大多以政府或出资人的需求为导向,多数机构的主要成果一般为研究报告,经常与面向政府官员的口头汇报相结合。在支持对政策的有效参与方面,有几个关键因素,其中包括支持性的政策环境﹑管理和财务的相对独立性,以及与决策者建立可增进信任和影响的密切关系。当研究机构与政府之间的正式关系未处在重要位置时,政府内部单位则面临相当大的困难。Sara Bennett Adrijana Corluka Jane Doherty Viroj Tangcharoensathlen Walaiporn Patcharanarumol Amar Jesani Joseph Kyabaggu Grace Namaganda A M Zakir Hussain Ama de-Graft Aikins 2012中国卫生政策研究2012,5,8:6
5天然气自热重整模块化流化床膜反应器的测试显示文摘针对燃料电池等行业对分布式高纯度氢气的需求,研发了一种新型模块化流化床膜反应器用于中小规模天然气水蒸汽自热重整制氢。在一个天然气制氢测试平台上对该反应器进行了中试研究,测试了空气引入方式对床层温度均匀性的影响,钯膜组件及催化剂的工作性能,并将反应器尾气成分与平衡态最小自由能模型预测的结果进行了比较。测试结果表明该新型模块化流化床膜反应器适于天然气自热重整制氢。解东来 Adris A M Lim C J Grace J R 2009太阳能学报2009,30,5:6
6二维导流管喷动床的流动特征显示文摘带导流管的二维喷动床(2-DSBDP)是传统喷动床的改进型式,矩形床内设置的与床同厚的垂直导流管可以控制固体颗粒的循环速率, 同时使下行区中的气固移动床维持平推流. 本文实验测定了不同表观气速、床层高度、固体颗粒与气体入口尺寸时, 二维导流管喷动床的床压降及相应的空隙率,藉以阐述2-DSBDP的流动特征.罗保林 Freitas L A P Lim C J Grace J R 2000化工冶金2000,21,4:5
7Brain-derived neurotrophic factor and inflammation in depression:Pathogenic partners in crime?显示文摘Major depressive disorder is a debilitating disorder affecting millions of people each year.Brain-derived neurotrophic factor(BDNF)and inflammation are two prominent biologic risk factors in the pathogenesis of depression that have received considerable attention.Many clinical and animal studies have highlighted associations between low levels of BDNF or high levels of inflammatory markers and the development of behavioral symptoms of depression.However,less is known about potential interaction between BDNF and inflammation,particularly within the central nervous system.Emerging evidence suggests that there is bidirectional regulation between these factors with important implications for the development of depressive symptoms and antidepressant response.Elevated levels of inflammatory mediators have been shown to reduce expression of BDNF,and BDNF may play an important negative regulatory role on inflammation within the brain.Understanding this interaction more fully within the context of neuropsychiatric disease is important for both developing a fuller understanding of biological pathogenesis of depression and for identifying novel therapeutic opportunities.Here we review these two prominent risk factors for depression with a particular focus on pathogenic implications of their interaction.Grace A Porter Jason C O’Connor 2022World Journal of Psychiatry2022,12,1:4
8Hepatopulmonary syndrome: Update on recent advances in pathophysiology, investigation, and treatment显示文摘Josephine A Grace Peter W Angus 2013J Gastroenterol Hepatol2013,,2:2
9Arc-modulated radiation therapy (AMRT): a single-arc form of intensity-modulated arc therapy显示文摘Chao Wang Shuang Luan Grace Tang Danny Z Chen Matt A Earl Cedric X Yu 2008Physics in Medicine and Biology2008,,22:2
10Therapeutic potential of Lovastatin in mulliple sclerosis显示文摘Sena A pedrosa R Grace Morais M 2005J Neurol2005,250,6:1
11Physico-chemical screening of phosphate-removing substrates for use in constructed wetland systems 显示文摘DRIZO A FROST C A GRACE J 1999Water Research1999,33,17:1
12Equilib- rium modeling of gasification: a free energy minimization approach and its application to a circulating fluidized bed coal gasifier显示文摘LI X GRACE J R WATKINSON A P 2001Fuel2001,80,2:1
13Sequence and spacing of TATA box elements are critical for accurate initiation from the β-phaseolin promoter显示文摘GRACE M L CHANDRASEKHARAN M B HALL T C CROWE A J 2004Biological Chemistry2004,279,:1
14Prevention and management of gastroesopbageal varices and variceal hemorrhage in cirrhosis 显示文摘Garcia- Tsao G Sanyal A Grace ND 2007Hepatology2007,46,3:1
15Early complications after dual chamber versus single chamber pacemaker implantation显示文摘Chauhan A Grace AA Ne Well SA 1994Pacing Clin Electrophysiol1994,17,112:1
16Characterization of dynamic behavior in gas-solid turbulent fluidized bed using chaos and wavelet analyses显示文摘Ellis N Briens L A Grace J R etal 2003Chemical Engineering Journal2003,96,:1
17Immobilization ofFe, Mn and Co tetraphenylporphyrin complexes in MCM-41 and their catalytic activity in cyclohexene oxidationreaction by hydrogen peroxide 显示文摘Costa A A Grace F G Julio L ei al 2008J Mol Catal A:Chemical2008,282,:1
18High frequency deep bra in stimulation of the nucleus accumbens region suppresses neuronal activity and se- lectively modulates afferent drive in rat orbitofrontal cortex in vivo 显示文摘McCracken CB Grace A 2007J Neurosci2007,27,12:1
19Pharmacologic therapy of portal hypertension显示文摘Minor M A Grace N D 2006Clin Liver Dis2006,10,3:1
20Physico-chemical screening of phosphorus-removing substrates for use in constructed wetland systems显示文摘DRIZO A FROST C A GRACE J 1996Water research1996,33,17:1
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