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1AHA/ASA关于卒中和短暂性脑缺血发作患者卒中预防推荐的更新显示文摘在卒中和短暂性脑缺血发作(transient ischemic attack,TIA)患者卒中预防推荐发表以后,美国心脏协会和美国卒中协会(American Heart Association/American Stroke Association,AHA/ASA)著述委员会对最近的一些试验结果进行了回顾。本文的目的是对这些新资料做简要回顾、更新某些推荐意见并说明进行这些修改的理由。在2个领域已发表了一些新的重要临床试验结果:(1)在非心源性栓塞所致缺血性卒中或TIA患者卒中二级预防中具体抗血小板药的应用;(2)他汀类药物在预防卒中复发中的应用。Robert J. Adams Greg Albers Mark J. Alberts Oscar Benavente Karen Furie Larry B. Goldstein Philip Gorelick Jonathan Halperin Robert Harbaugh S. Claiborne Johnston Irene Katzan Margaret Kelly-Hayes Edgar J. Kenton Michael Marks Ralph L. Sacco Lee H. Schwamm 赵洪芹 李海峰 (译) 2008国际脑血管病杂志2008,16,4:123
2氯吡格雷的使用与药物洗脱支架植入后远期临床结果显示文摘背景:近来的冠状动脉内药物洗脱支架研究提示,现行的抗血小板治疗方案可能并不足以预防后期支架内血栓形成。目的:于接受药物洗脱支架(drug-eluting stents,DESs)和裸金属支架(bare-metal stents,BMSs)治疗的冠状动脉病患者中评估氯吡格雷使用与患者远期结果的关系。设计、地点及患者:于连续患者中进行观察性研究。患者于2000年1月1日至2005年7月31日在杜克心脏治疗中心(一家位于北卡罗来纳州达累姆市的三级治疗中心)接受冠状动脉内支架治疗。于6、12、24个月时进行随访,直至2006年9月7日。研究人群包括4666例最初接受BMS(n=3165)或DES(n=1501)经皮冠状动脉介入治疗的患者。对随访6和12个月没有事件(没有死亡、心肌梗死或血管重建手术)的患者进行界标分析(landmark analysis)。在这些时间点上根据支架类型以及自我报告之氯吡格雷的使用情况将患者分为4组:DES使用氯吡格雷组、DES不用氯吡格雷组、BMS使用氯吡格雷组以及BMS不用氯吡格雷组。主要观测指标:随访24个月时死亡、非致命性心肌梗死以及死亡或心肌梗死之复合终点。结果:在6个月时没有事件发生的DES组患者(637例使用、579例未使用氯吡格雷)中,氯吡格雷的使用是随访24个月校正死亡率较低(使用2.0%比未使用5.3%;差异,-3.3%;95%CI,-6.3%至-0.3%;P=0.03)以及死亡或心肌梗死发生率较低(3.1%比7.2%;差异,-4.1%;95%CI,-7.6%至-0.6%;P=0.02)的显著预测指标。然而,在BMS组患者中(417例使用、1976例未用氯吡格雷),死亡(3.7%比4.5%;差异,-0.7%;95%CI,-2.9%至1.4%;P=0.50)以及死亡或心肌梗死发生率(5.5%比6.0%;差异,-0.5%;95%CI,-3.2%至2.2%;P:0.70)没有差异。在12个月随访没有事件发生的DES组患者(252例使用、276例未用氯吡格雷)中,氯吡格雷的使用依然可以预测24个月死亡(0%比3.5%;差异,-3.5%;95%CI,-5.9%至-1.1%;P=0.004)以及死亡或心肌梗死发生率(0%比4.5%;差异,-4.5%;95%CI,-7.1%至-1.9%;P〈0.001)较低。然而,在BMS组患者中(346例使用、1644例未用氯吡格雷),在死亡(3.3%比2.7%;差异,0.6%;95%CI,1.5%至2.8%;P=0.57)以及死亡或心肌梗死(4.7%比3.6%;差异,1.0%;95%CI,-1.6%至3.6%;P=0.44)发生方面,依然没有差异。结论:在接受DES治疗的患者中,延长氯吡格雷的使用可以使死亡以及死亡或心肌梗死的发生率下降。然而,使用氯吡格雷的适宜期限只能通过大型临床随机试验确定。Eric L Eisenstein, DBA Kevin J. Anstrom, PhD David F. Kong, MD Linda K. Shaw, MS Robert H. Tuttle, MSPH Daniel B. Mark, MD, MPH Judith M. Kramer, MD, MS Robert A. Harrington, MD David B. Matchar, MD David E. Kandzari, MD 1 Eric D. Peterson, MD, MPH Kevin A. Schulman, MD Robert M. Califf, MD 李呈亿(译) David E. Kandzari, MD 2007美国医学会杂志(中文版)2007,26,3:60
3Oxidative stress and male reproductive health显示文摘有缺点的精子功能的主要原因之一是氧化应力,它不仅破坏精子 DNA 的正直而且在精子血浆膜由于蛋白质和类脂化合物的并行的损坏限制这些房间的使肥沃的潜力。如此的氧化压力的起源看起来包含精子线粒体,它有一个趋势作为一篇序言产生 superoxide 阴离子的高水平到进入内在的 apoptotic 串联。不幸地,这些房间有很小的能力因为他们仅仅在基础切除修理(BER ) 拥有第一酶,对如此的攻击作出回应小径, 8-oxoguanine glycosylase 1 (OGG1 ) 。后者成功地创造一个 abasic 地点,而是精子因为他们缺乏下游的蛋白质,不能进一步处理氧化损害(APE1, XRCC1 ) 需要完成修理过程。在第一个有丝分裂的部门的 S 阶段的开始以前继续 BER 小径是卵母细胞的责任。如果一个错误被卵母细胞在开发的这个阶段犯,一个变化将被创造那将在身体在每个房间被代表。如此的机制可以在在作为年龄的后果在他们的细菌线承受了氧化应力的男性的后代观察的童年癌症和另外的疾病解释增加,环境或生活方式因素。在男不孕病人的精子的氧化 DNA 损坏的高流行可以为在 vitro 构思的孩子的健康有含意并且在细菌线为对免费激进的产生的起源的当前的研究担任一位司机。Robert J Aitken Tegan B Smith Matthew S Jobling Mark A Baker Geoffry N De Iuliis 2014Asian Journal of Andrology2014,16,1:48
4颈动脉粥样硬化疾病的处理美国血管外科学会临床实践指南显示文摘美国血管外科学会(SVS)任命了一个专家委员会制定颈动脉狭窄处理的循证临床指南。在制定临床实践推荐意见过程中,该委员会使用系统评价对当前最件的证据进行了总结,采用GRADE标准对推荐意见的强度(强烈推荐为GRADEI级,一般推荐为GRADEⅡ级)和证据的质量(高、中、低和极低)进行了分级。对于轻度颈动脉狭窄患者(有症状患者狭窄程度〈50%和无症状患者狭窄程度〈60%),推荐进行最佳的内科治疗而非血管重建术(I级推荐,高质量证据)。对于有症状中到重度狭窄患者(狭窄程度≥50%),推荐行颈动脉内膜切除术(CEA)+最佳的内科治疗(I级推荐,高质量证据)。对于围手术期风险高的有症状巾到重度狭窄患者(狭窄程度≥50%),建议采用颈动脉支架置入术作为其替代治疗手段(Ⅱ级推荐,低质量证据)。对于中到重度狭窄的无症状患者(狭窄程度≥60%),只要围手术期风险较低,就推荐行CEA+内科治疗(I级推荐,高质量证据)。对于中到重度狭窄的尢症状患者(狭窄稗度≥60%),不推荐行颈动脉支架置入术(I级推荐,低质量证据)。颈动脉狭窄≥80%但存在CEA高危解剖学风险的患者可能是一个例外。Robert W. Hobson, Ⅱ William C. Mackey Enrico Ascher M. Hassan Murad Keith D. Calligaro Anthony J. Comerota Victor M. Montori Mark K. Eskandari Douglas W. Massop Ruth L. Bush Brajesh K. Lal Bruce A. Perler 刘德志(译) 徐格林(译) 刘新峰(译) 2008国际脑血管病杂志2008,16,12:35
5Modeling sustainability:population,inequality,consumption,and bidirectional coupling of the Earth and Human Systems显示文摘Over the last two centuries,the impact of the Human System has grown dramatically,becoming strongly dominant within the Earth System in many diferent ways.Consumption,inequality,and population have increased extremely fast,especially since about 1950,threatening to overwhelm the many critical functions and ecosystems of the Earth System.Changes in the Earth System,in turn,have important feedback efects on the Human System,with costly and potentially serious consequences.However,current models do not incorporate these critical feedbacks.We argue that in order to understand the dynamics of either system,Earth System Models must be coupled with Human System Models through bidirectional couplings representing the positive,negative,and delayed feedbacks that exist in the real systems.In particular,key Human System variables,such as demographics,inequality,economic growth,and migration,are not coupled with the Earth System but are instead driven by exogenous estimates,such as United Nations population projections.his makes current models likely to miss important feedbacks in the real Earth–Human system,especially those that may result in unexpected or counterintuitive outcomes,and thus requiring diferent policy interventions from current models.he importance and imminence of sustainability challenges,the dominant role of the Human System in the Earth System,and the essential roles the Earth System plays for the Human System,all call for collaboration of natural scientists,social scientists,and engineers in multidisciplinary research and modeling to develop coupled Earth–Human system models for devising efective science-based policies and measures to beneit current and future generations.Safa Motesharrei Jorge Rivas Eugenia Kalnay Ghassem R.Asrar Antonio J.Busalacchi Robert F.Cahalan Mark A.Cane Rita R.Colwell Kuishuang Feng Rachel S.Franklin Klaus Hubacek Fernando Miralles-Wilhelm Takemasa Miyoshi Matthias Ruth Roald Sagdeev Adel Shirmohammadi Jagadish Shukla Jelena Srebric Victor M.Yakovenko Ning Zeng 2016National Science Review2016,3,4:34
6缺血性卒中的一级预防——美国心脏协会/美国卒中协会卒中委员会指南 动脉粥样硬化性周围血管病跨学科工作组、心血管护理委员会、临床心脏病学委员会、营养、体力活动和代谢委员会以及医疗质量和转归研究跨学科工作组共同倡导显示文摘背景和目的本指南提供有关各种确定和潜在的卒中危险因素证据的概述,并提供降低卒中风险的推荐。方法写作组成员由委员会主席根据每位作者先前在相关课题领域中的工作提名,并经美国心脏协会(AHA)卒中委员会科学声明监督委员会批准。写作组采用系统文献回顾(涵盖时间段为2001年最后一次回顾发表到2005年1月),参考先前已发表的指南、个人文件和专家意见来概括现有的证据,指明现有知识的差距;如果合适,则根据标准的AHA标准做出简明的推荐。写作组全体成员在撰写过程中均有很多机会对推荐进行评论并认可这份声明的最终版本。在AHA科学咨询与协调委员会批准之前,本指南已进行过广泛的同行评议。结果对评价个体首次卒中风险的流程图进行评估。根据干预的可能性(不可干预、可干预或潜在可干预)和证据的强度(证据充分或证据不太充分),对首次卒中的危险因素或风险标记物进行分类。不可干预的危险因素包括年龄、性别、出生体重低、人种/种族和遗传因素。证据充分的可干预危险因素包括高血压、主动或被动吸烟、糖尿病、心房颤动和某些其他心脏病、血脂异常、颈动脉狭窄、镰状细胞病、绝经后激素治疗、不良饮食习惯、缺乏体力活动、肥胖和体脂分布。证据不太充分或潜在的可干预危险因素包括代谢综合征、酗酒、药物滥用、口服避孕药、睡眠呼吸障碍、偏头痛、高同型半胱氨酸血症、脂蛋白(a)升高、脂蛋白相关的磷脂酶升高、高凝状态、炎症和感染。对应用阿司匹林进行卒中一级预防的资料进行回顾。结论有大量证据可以用于确定增加首次卒中风险的各种特殊因素和提供降低这种风险的策略。Larry B. Goldstein Robert Adams Mark J. Alberts Lawrence J. Appel Lawrence M. Brass Cheryl D. Bushnell Antonio Culebras Thomas J. DeGraba Philip B. Gorelick John R. Guyton Robert G. Hart George Howard Margaret Kelly-Hayes J.V. (Ian) Nixon Ralph L. Sacco 苏克江 高宗恩 2006国际脑血管病杂志2006,14,8:28
7FAIR Principles:Interpretations and Implementation Considerations显示文摘The FAIR principles have been widely cited,endorsed and adopted by a broad range of stakeholders since their publication in 2016.By intention,the 15 FAIR guiding principles do not dictate specific technological implementations,but provide guidance for improving Findability,Accessibility,Interoperability and Reusability of digital resources.This has likely contributed to the broad adoption of the FAIR principles,because individual stakeholder communities can implement their own FAIR solutions.However,it has also resulted in inconsistent interpretations that carry the risk of leading to incompatible implementations.Thus,while the FAIR principles are formulated on a high level and may be interpreted and implemented in different ways,for true interoperability we need to support convergence in implementation choices that are widely accessible and(re)-usable.We introduce the concept of FAIR implementation considerations to assist accelerated global participation and convergence towards accessible,robust,widespread and consistent FAIR implementations.Any self-identified stakeholder community may either choose to reuse solutions from existing implementations,or when they spot a gap,accept the challenge to create the needed solution,which,ideally,can be used again by other communities in the future.Here,we provide interpretations and implementation considerations(choices and challenges)for each FAIR principle.Annika Jacobsen Ricardo de Miranda Azevedo Nick Juty Dominique Batista Simon Coles Ronald Cornet Melanie Courtot Merce Crosas Michel Dumontier Chris T.Evelo Carole Goble Giancarlo Guizzardi Karsten Kryger Hansen Ali Hasnain Kristina Hettne Jaap Heringa Rob W.W.Hooft Melanie Imming Keith G.Jeffery Rajaram Kaliyaperumal Martijn GKersloot Christine R.Kirkpatrick Tobias Kuhn Ignasi Labastida Barbara Magagna PeterMcQuilton Natalie Meyers Annalisa Montesanti Mirjam van Reisen Philippe Rocca-Serra Robert Pergl Susanna-Assunta Sansone Luiz Olavo Bonino da Silva Santos Juliane Schneider George Strawn Mark Thompson Andra Waagmeester Tobias Weigel Mark D.Wilkinson Egon L.Willighagen Peter Wittenburg Marco Roos Barend Mons Erik Schultes 2020Data Intelligence2020,2,1:26
8全髋关节置换术后血栓预防 使用便携式加压器或低分子量肝素的前瞻性随机对照研究显示文摘背景:血栓栓塞性疾病是全髋关节置换术后常见的并发症。本研究的目的在于比较新型便携式加压器与低分子量肝素在静脉血栓预防中的安全性和有效性。方法:全髋置换患者随机接受为期10d便携式加压器或者低分子量肝素预防治疗。术中开始使用加压器,并且这组患者在术后日服81mg的阿司匹林。使用肝素者,术后12-24h开始注射低分子量肝素。在10-12d后,所有患者行多普勒超声筛查双下肢小腿、大腿部深静脉血栓;有肺栓塞临床症状的患者均接受肺部螺旋CT扫描评价。记录两组出血和于预性治疗情况(即:依从性)。术后12周进行深静脉血栓和肺栓塞证据的临床评估。结果:410例患者(414髋)进行随机化分组;392例患者(395髋)进行手术安全性评估,386例(389髋)治疗结果有效。两组间的一般临床情况无差异。加压组严重出血发生率O%,低分子量肝素组6%。加压组远端和近端深静脉血栓发生率分别为3%、2%,肝素组3%、1%。肺栓塞发生率加压组1%,肝素组1%,无致命性肺栓塞。随访12周,1例加压组患者出现两项事件(深静脉血栓和肺栓塞),该患者术后第12天多普勒超声检查阴性。在静脉血栓栓塞预防上两组比较无明显差异。结论:全髋置换术后静脉血栓栓塞预防,便携式加压器与低分子量肝素比较,可明显减少严重出血。CliffordW. Colwell Jr. Mark I. Froimson Michael A.Mont Merrill A. Ritter Robert T. Trousdale Knute C. Buehler Andrew Spitzer Thomas K. Donaldson Douglas E. Padgett 勘武生(译) 2010中华骨科杂志2010,30,6:24
9Global blue carbon accumulation in tidal wetlands increases with climate change显示文摘Coastal tidal wetlands produce and accumulate significant amounts of organic carbon(C)that help to mitigate climate change.However,previous data limitations have prevented a robust evaluation of the global rates and mechanisms driving C accumulation.Here,we go beyond recent soil C stock estimates to reveal global tidal wetland C accumulation and predict changes under relative sea level rise,temperature and precipitation.We use data from literature study sites and our new observations spanning wide latitudinal gradients and 20 countries.Globally,tidal wetlands accumulate 53.65(95%CI:48.52-59.01)Tg C yr^(-1),which is~30%of the organic C buried on the ocean floor.Modeling based on current climatic drivers and under projected emissions scenarios revealed a net increase in the global C accumulation by2100.This rapid increase is driven by sea level rise in tidal marshes,and higher temperature and precipitation in mangroves.Countries with large areas of coastal wetlands,like Indonesia and Mexico,are more susceptible to tidal wetland C losses under climate change,while regions such as Australia,Brazil,the USA and China will experience a significant C accumulation increase under all projected scenarios.Faming Wang Christian J.Sanders Isaac R.Santos Jianwu Tang Mark Schuerch Matthew L.Kirwan Robert E.Kopp Kai Zhu Xiuzhen Li Jiacan Yuan Wenzhi Liu Zhian Li 2021National Science Review2021,8,9:22
10Management of necrotizing pancreatitis显示文摘Infection complicating pancreatic necrosis leads to persisting sepsis, multiple organ dysfunction syndrome and accounts for about half the deaths that occur following acute pancreatitis. Severe cases due to gallstones require urgent endoscopic sphincterotomy. Patients with pancreatic necrosis should be followed with serial contrast enhanced computed tomography (CE-CT) and if infection is suspected fine needle aspiration of the necrotic area for bacteriology (FNAB) should be undertaken. Treatment of sterile necrosis should initially be non-operative. In the presence of infection necrosectomy is indicated. Although traditionally this has been by open surgery, minimally invasive procedures are a promising new alternative. There are many unresolved issues in the management of pancreatic necrosis. These include, the use of antibiotic prophylaxis, the precise indications for and frequency of repeat CE-CT and FNAB,and the role of enteral feeding.John Slavin Paula Ghaneh Robert Sutton Mark Hartley Peter Rowlands Conall Garvey Mark Hughes John Neoptolemos 2001World Journal of Gastroenterology2001,7,4:21
11成人缺血性卒中早期处理指南显示文摘本指南旨在对成年急性缺血性卒中患者评价和治疗各要素的现有证据做一回顾。目标读者是那些为发病后48h内的卒中患者提供治疗的内科医生和其他急诊医疗保健人员。另外,也包括向医疗保健政策制定者提供的信息。方法:专家小组成员由美国心脏协会(AHA)卒中委员会科学声明监督委员会任命,他们代表了来自不同领域的专家。专家小组以2003年后发表的报道为重点,对相关文献进行回顾,采用AHA卒中委员会的证据水平分级标准对证据进行分级并做出推荐。本声明经专家小组认可后,再由AHA科学顾问和协调委员会进行同行评议和正式批准。本指南打算在3年内做全面更新。结果:对急性缺血性卒中患者的处理仍然是多方面的,包括尚未在临床试验中进行过验证的一些医疗诊治方面。本声明包括从急诊医疗服务人员开始接触患者到入院初期处理的推荐意见。静脉重组组织型纤溶酶原激活剂仍然是已得到证实的最有效的卒中急诊治疗干预方法。包括动脉应用溶栓药和机械介入在内的一些方法显示出希望。因为许多推荐是在有限的证据基础上做出的,因此需要对急性缺血性卒中的治疗进行更多的研究。Harold P. Adams Gregory del Zoppo Mark J. Alberts Deepak L. Bhatt Lawrence Brass Anthony Furlan Robert L. Grubb Randall T. Higashida Edward C. Jauch Chelsea Kidwell Patrick D. Lyden Lewis B. Morgenstern Adnan I. Qureshi Robert H. Rosenwasser Phillip A. Scott Eelco F.M. Wijdicks 李焰生(译) 熊昕丽(译) 林岩(译) 沈沸(译) 俞羚(译) 邹静(译) 张静芳(译) 孙亚蒙(译) 周洁茹(译) 蒋仙国(译) 陈莺(译) 2007国际脑血管病杂志2007,15,6:18
12Coordinated peak expression of MMP-26 and TIMP-4 in preinvasive human prostate tumor显示文摘因为早察觉和治疗为病人的医药管理是批评的,为早前列腺癌症诊断的新奇简历标记的鉴定是高度重要的。在基础房间层和地下室膜的连续性的混乱为高级职业人员静电干扰 intraepithelial 瘤形成(HGPIN ) 的前进是必要的到在人的前列腺的侵略腺癌。涉及变换到侵略显型的分子是强烈审查的题目。我们以前报导了矩阵 metalloproteinase-26 (MMP-26 ) 经由地下室膜蛋白质并且由激活 MMP-9 的酶原形式的劈开支持人的前列腺癌症房间的侵略。而且,我们发现了 metalloproteinases-4 (TIMP-4 ) 的那个织物禁止者是大多数有势力 MMP-26 的内长的禁止者。这里,我们更高示威(p<0.0001 ) 在 HGPIN 和癌症的 MMP-26 和 TIMP-4 表示,与非肿瘤的 acini 相比。他们的表示层次在 HGPIN 是最高的,但是在一样的纸巾在侵略癌症(为各个的 p<0.001 ) 衰退。连续前列腺癌症织物节染色的 Immunohistochemical 建议 MMP-26 和 TIMP-4 的 colocalization。现在的学习显示 MMP-26 和 TIMP-4 可以在 HGPIN 的变换期间起一个不可分的作用到侵略癌症并且可以也为早前列腺癌症诊断用作标记。房间研究(2006 ) 16:750-758。做 i:10.1038/sj .cr.7310089;出版联机 2006 年 8 月 29 日。Seakwoo Lee Kevin K Desai Kenneth A Iczkowski Robert G Newcomer Kevin J WU Yun-Ge Zhao Winston W Tan Mark D Roycik Qing-Xiang Amy Sang 2006Cell Research2006,16,9:18
13Anticancer immunotherapy by CTLA-4 blockade: obligatory contribution of IL-2 receptors and negative prognostic impact of soluble CD25显示文摘堵住抗体 ipilimumab 的细胞毒素的 T 淋巴细胞 antigen-4 (CTLA-4 ) 在很少的病人导致变形黑瘤的调停免疫者的长期的控制。尽管 ipilimumab 无疑经由 immunostimulation 施加它的治疗学的效果,这样远的临床上有用的、 immunologically 相关的 biomarkers 预言治疗效率是逃犯的。这里,我们显示出 IL-2 的那中立化或堵住 α并且 βIL-2 受体的子单元(CD25 和 CD122,分别地) 否则在现出症状之前的潜的老鼠模型由 CTLA-4 封锁导致了,废除了 antitumor 效果和 intratumoral T 受动器对规章的房间(Tregs ) 的比率的伴随的改进,它是。CTLA-4 封锁导致了在失去了 FoxP3 表示并且在 regressing 肿瘤积累了的 IL-2-producing 受动器房间与伴随物上升表示 Lag3, ICOS, IL-10 和 Egr2 的一个镇压 CD4 + T 房间子集的减小。当 recombinant IL-2 改进了 CTLA-4 封锁的治疗学的功效时,圈套 IL-2 受体 α(IL-2Rα, sCD25 ) 禁止了 CTLA-4 的 anticancer 效果封锁。在收到 ipilimumab 的 262 个变形黑瘤病人, sCD25 的基线浆液集中代表了全面幸存的独立指示物,与预言到治疗的抵抗的高水平。总的来说,这些结果解开为在 CTLA-4 的 anticancer 活动的 IL-2 和 IL-2 受体的一个角色封锁。重要地,我们的学习提供第一 immunologically 相关的 biomarker,也就是提高的浆液 sCD25,那与黑瘤在病人预言抵抗到 CTLA-4 封锁。Dalil Hannani Marie Vetizou David Enot Sylvie Rusakiewicz Nathalie Chaput David Klatzmann Melanie Desbois Nicolas Jacquelot Nadege Vimond Salem Chouaib Christine Mateus James P Allison Antoni Ribas Jedd D Wolchok Jianda Yuan Philip Wong Michael Postow Andrzej Mackiewicz Jacek Mackiewicz Dirk Schadendorff Dirk Jaeger Alan J Korman Keith Bahjat Michele Maio Luana Calabro Michele WL Teng Mark J Smyth Alexander Eggennont Caroline Robert Guido Kroemer Laurence Zitvogel 2015Cell Research2015,25,2:14
14卒中一级预防指南 美国心脏协会/美国卒中协会为医疗卫生专业人员制定的指南美国神经病学学会肯定本指南作为神经科医生继续教育工具的价值显示文摘背景和目的本指南对各种已确定和新出现的卒中危险因素的证据进行概述,以提供降低首次卒中风险的循证推荐。方法写作组成员由委员会主席根据每位成员先前在相关课题领域中的工作提名,并经美国心脏协会(American HeartAssociation,AHA)卒中委员会科学声明监督委员会批准。写作组采用系统文献回顾的方法(涵盖时间为2006年上一次回顾发表到2009年4月),参考先前已发表的指南、个人文件和专家意见来总结现有证据,并指出现有知识的差距;如果合适,则根据标准的AHA标准做出推荐。写作组全体成员均有机会对推荐进行评论并审核这份声明的最终文本。在AHA科学咨询和协调委员会考察和批准之前,本指南已南卒中委员会领导层和AIIA科学声明督察委员会进行过广泛的同行评议。结果对评价个体首次卒巾风险的流程图进行了评价。根据干预的町能性(不可于预、可于预或潜在可干预)和证据的强度(证据充分或证据不太充分),对首次卒中的危险因素或风险标记物进行分类。不可干预危险因素包括年龄、性别、低出生体质量、人种/种族和遗传倾向。证据充分的叮干预危险因素包括高血压、吸烟、糖尿病、心房颤动和某些其他心脏病、血脂异常、颈动脉狭窄、镰状细胞病、绝经后激素治疗、不良饮食习惯、体力活动过少以及肥胖和体脂分布。证据不太充分或潜在的可干预危险因素包括代谢综合征、酗酒、药物滥用、口服避孕药、睡眠呼吸障碍、偏头痛、高同型半胱氨酸血症、脂蛋白(a)升高、高凝状态、炎症和感染。对用阿司匹林进行卒中一级预防的资料进行了回顾。结论多方面的证据可用于确定能增高首次卒中风险的多种具体因素并提供降低这种风险的策略。Larry B. Goldstein Cheryl D. Bushnell Robert J. Adams Lawrence J. Appel Lynne T. Braun Seemant Chaturvedi Mark A. Creager Antonio Culebras Robert H. Eckel Robert G. Hart Judith A. Hinchey Virginia J. Howard Edward C. Jauch Steven R. Levine James F. Meschia Wesley S. Moore J.V. (Ian) Nixon Thomas A. Pearson 张霞(译) 尤寿江(译) 陈孝东(译) 卢涛声(译) 石际俊(译) 曹勇军(译) 徐兴顺(译) 2010国际脑血管病杂志2010,18,12:12
15Clostridium perfringens bacteremia caused by choledocholithiasis in the absence of gallbladder stones显示文摘A 67-years-old male presented with periumbilical abdominal pain, fever and jaundice. His anaerobic blood culture was positive for clostridium perfringens. Computed tomogram scan of the abdomen and abdominal ultrasound showed normal gallbladder and common bile duct (CBD). Subsequently magnetic resonance cholangiopancreaticogram showed choledocholithiasis. Endoscopic retrograde cholangiopancreaticogram-with sphincterotomy and CBD stone extraction was performed. The patient progressively improved with antibiotic therapy Choledocholithiasis should be considered as a source of clostridium perfringens bacteremia especially in the setting of elevated liver enzymes with cholestatic pattern.Antwan Atia Tejas Raiyani Pranav Patel Robert Patton Mark Young 2012World Journal of Gastroenterology2012,18,39:11
16Comparison of clinical outcomes between femtosecond laser-assisted versus conventional phacoemulsification显示文摘Background:To compare femtosecond laser-assisted versus conventional phacoemulsification in terms of visual and refractive outcomes,cumulative dissipated energy,anterior chamber inflammation and endothelial cell loss.Methods:In this retrospective cohort study,records of eyes that underwent femtosecond laser-assisted cataract surgery(FLACS)or conventional phacoemulsification(CP)were reviewed.The Victus femtosecond laser(Bausch and Lomb,Germany)was used to carry out corneal incisions,anterior capsulotomy,and lens fragmentation in FLACS procedures.Manifest refraction spherical equivalence(MRSE),uncorrected distance visual acuity(UDVA),corrected distance visual acuity(CDVA),cumulative dissipated energy(CDE),postoperative cells and flare and endothelial cell count data were collected.Subgroup analysis of the visual acuity tests was performed based on the type of intraocular lens implanted(monofocal,monofocal toric,multifocal,multifocal toric,accommodating).Results:A total of 735 eyes were included in the study(296 eyes for the FLACS group and 439 eyes for the CP group).At one year follow-up,120 eyes comprised the FLACS group and 265 eyes for the CP group.MRSE in the FLACS group was−0.16±0.58 D and−0.20±0.52 D in the CP group(P=0.50).UDVA in the FLACS group was 20/25(mean logMAR 0.12±0.13)and 20/25(mean logMAR 0.11±0.13)in the CP group(P=0.48).CDVA was 20/20(mean logMAR 0.03±0.07)in the FLACS group and 20/20(mean logMAR 0.02±0.06)in the CP group(P=0.15).No statistically significant trend was seen for FLACS versus CP by intraocular type for visual acuity.CDE for the different cataract grades ranged from 6.97±5.74 to 29.02±16.07 in the FLACS group and 7.59±6.42 to 35.69±18.30 in the CP group.The FLACS group was significantly lower for post-operative central corneal edema(P=0.05),cells and flare(P=0.01),and endothelial cell loss(P=0.04).Conclusions:Femtosecond laser-assisted cataract surgery and conventional phacoemulsification had similar refractive and visual outcomes.Phacoemulsification energy,anterior chamber inflammation and corneal endothelial cell loss were less in the femtosecond laser group.Robert Edward Ty Ang Michelle Marie Salcedo Quinto Emerson Marquez Cruz Mark Christian Reyes Rivera Gladness Henna Austria Martinez 2018Eye and Vision2018,5,1:10
17Current Status and Future Challenges of Weather Radar Polarimetry: Bridging the Gap between Radar Meteorology/Hydrology/Engineering and Numerical Weather Prediction显示文摘After decades of research and development, the WSR-88 D(NEXRAD) network in the United States was upgraded with dual-polarization capability, providing polarimetric radar data(PRD) that have the potential to improve weather observations,quantification, forecasting, and warnings. The weather radar networks in China and other countries are also being upgraded with dual-polarization capability. Now, with radar polarimetry technology having matured, and PRD available both nationally and globally, it is important to understand the current status and future challenges and opportunities. The potential impact of PRD has been limited by their oftentimes subjective and empirical use. More importantly, the community has not begun to regularly derive from PRD the state parameters, such as water mixing ratios and number concentrations, used in numerical weather prediction(NWP) models.In this review, we summarize the current status of weather radar polarimetry, discuss the issues and limitations of PRD usage, and explore potential approaches to more efficiently use PRD for quantitative precipitation estimation and forecasting based on statistical retrieval with physical constraints where prior information is used and observation error is included. This approach aligns the observation-based retrievals favored by the radar meteorology community with the model-based analysis of the NWP community. We also examine the challenges and opportunities of polarimetric phased array radar research and development for future weather observation.Guifu ZHANG Vivek N.MAHALE Bryan J.PUTNAM Youcun QI Qing CAO ANDrew D.BYRD Petar BUKOVCIC Dusan S.ZRNIC Jidong GAO Ming XUE Youngsun JUNG Heather D.REEVES Pamela L.HEINSELMAN AlexANDer RYZHKOV Robert D.PALMER Pengfei ZHANG Mark WEBER Greg M.MCFARQUHAR Berrien MOORE III Yan ZHANG Jian ZHANG J.VIVEKANANDAN Yasser AL-RASHID Richard L.ICE Daniel S.BERKOWITZ Chong-chi TONG Caleb FULTON Richard J.DOVIAK 2019Advances in Atmospheric Sciences2019,36,6:9
18Macrophage migration inhibitory factor gene polymorphisms in inflammatory bowel disease: An association study in New Zealand Caucasians and meta-analysis显示文摘AIM:To investigate the association of macrophage migration inhibitory factor(MIF)promoter polymorphisms with inflammatory bowel disease(IBD)risk.METHODS:One thousand and six New Zealand Caucasian cases and 540 Caucasian controls were genotyped for the MIF SNP-173G>C(rs755622)and the repeat polymorphism CATT5-8(rs5844572)using a predesigned TaqMan SNP assay and capillary electrophoresis,respectively.Data were analysed for single site and haplotype association with IBD risk and phenotype.Meta-analysis was employed,to assess cumulative evidence of association of MIF-173G>C with IBD.All published genotype data for MIF-173G>C in IBD were identified using PubMed and subsequently searching the references of all PubMed-identified studies.Imputed genotypes for MIF-173G>C were generated from the Wellcome Trust Case Control Consortium(and National Institute of Diabetes and Digestive and Kidney Diseases).Separate meta-analyses were performed on Caucasian Crohn’s disease(CD)(3863 patients,6031controls),Caucasian ulcerative colitis(UC)(1260 patients,1987 controls),and East Asian UC(416 patients and 789 controls)datasets using the Mantel-Haenszel method.The New Zealand dataset had 93%power,and the meta-analyses had 100%power to detect an effect size of OR=1.40 atα=0.05,respectively.RESULTS:In our New Zealand dataset,single-site analysis found no evidence of association of MIF polymorphisms with overall risk of CD,UC,and IBD or disease phenotype(all P values>0.05).Haplotype analysis found the CATT5/-173C haplotype occurred at a higher frequency in New Zealand controls compared to IBD patients(0.6 vs 0.01;P=0.03,OR=0.22;95%CI:0.05-0.99),but this association did not survive bonferroni correction.Meta-analysis of our New Zealand MIF-173G>C data with data from seven additional Caucasian datasets using a random effects model found no association of MIF polymorphisms with CD,UC,or overall IBD.Similarly,meta-analysis of all published MIF-173G>C data from East Asian datasets(416UC patients,789 controls)found no association of this promoter polymorphism with UC.James D Falvey Robert W Bentley Tony R Merriman Mark B Hampton Murray L Barclay Richard B Gearry Rebecca L Roberts 2013World Journal of Gastroenterology2013,19,39:9
19Efficacy and Safety of the Farnesoid X Receptor Agonist Obeticholic Acid in Patients With Type 2 Diabetes and Nonalcoholic Fatty Liver Disease显示文摘Sunder Mudaliar Robert R. Henry Arun J. Sanyal Linda Morrow Hanns-Ulrich Marschall Mark Kipnes Luciano Adorini Cathi I. Sciacca Paul Clopton Erin Castelloe Paul Dillon Mark Pruzanski David Shapiro 2013Gastroenterology2013,,:7
20Are sperm capacitation and apoptosis the opposite ends of a continuum driven by oxidative stress?显示文摘这章探索 capacitation 和 apoptosis 是他们的普通依赖在反应的氧种类(ROS ) 的继续的产生上加入的连接过程的可能性。根据这个模型的意见, capacitation 在当细胞内部的 ROS 产生的后果,刺激细胞内部的营地产生,禁止酷氨酸磷酸酶活动并且由白朊从精子表面在他们的移动以前提高 oxysterols 的形成,跟随他们的版本进女繁殖的道的 spematozoa 被开始。由使能够的 ROS 的继续的产生精子的人口最后压到这些房间的有限能力保护自己免受氧化应力的伤害。作为精子的 over-capacitation 导致的结果,老朽的一个状态和截断的内在的 apoptotic 串联的激活由提高的 mitochondrial ROS 产生,类脂化合物 peroxidation,活动性损失, caspase 激活和 phosphatidylserine 外表表现描绘了。后者可能在指示吞噬细胞的白血球衰老的、垂死的精子的移动应该是由 proinflammatory cytokines 的产生无伴侣的一个沉默过程是特别地重要的。这些观察表明中央角色在定义精子的生活和死亡由氧化还原作用化学玩了。这些机制的知识可以帮助我们设计新奇答案专业化房间高度支持并且保存这些的功能。Robert J Aitken Mark A Baker Brett Nixon 2015Asian Journal of Andrology2015,17,4:7
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