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| 1 | Predictors of suboptimal bowel preparation in asymptomatic patients undergoing average-risk screening colonoscopy显示文摘AIM To identify risk factors for a suboptimal preparation among a population undergoing screening or surveillance colonoscopy.METHODS Retrospective review of the University of Michigan and Veteran's Administration(VA) Hospital records from 2009 to identify patients age 50 and older who underwent screening or surveillance procedure and had resection of polyps less than 1 cm in size and no more than 2 polyps. Patients with inflammatory bowel disease or a family history of colorectal cancer were excluded. Suboptimal procedures were defined as procedure preparations categorized as fair, poor or inadequate by the endoscopist. Multivariable logistic regression was used to identify predictors of suboptimal preparation.RESULTS Of 4427 colonoscopies reviewed, 2401 met our inclusion criteria and were analyzed. Of our population, 16% had a suboptimal preparation. African Americans were 70% more likely to have a suboptimal preparation(95%CI: 1.2-2.4). Univariable analysis revealed that narcotic and tricyclic antidepressants(TCA) use, diabetes, prep type, site(VA vs non-VA), and presence of a gastroenterology(GI) fellow were associated with suboptimal prep quality. In a multivariable model controlling for gender, age, ethnicity, procedure site and presence of a GI fellow, diabetes [odds ratio(OR) = 2.3; 95%CI: 1.6-3.2], TCA use(OR = 2.5; 95%CI: 1.3-4.9), narcotic use(OR = 1.7; 95%CI: 1.2-2.5) and Miralax-Gatorade prep vs 4L polyethylene glycol 3350(OR = 0.6; 95%CI: 0.4-0.9) were associated with a suboptimal prep quality. CONCLUSION Diabetes, narcotics use and TCA use were identified as predictors of poor preparation in screening colonoscopies while Miralax-Gatorade preps were associated with better bowel preparation. | Shail M Govani Eric E Elliott Stacy B Menees Stephanie L Judd Sameer D Saini Constantinos P Anastassiades Annette L Urganus Suzanna J Boyce Philip S Schoenfeld | 2016 | World Journal of Gastrointestinal Endoscopy2016，8，17： | 7 |
| 2 | Risk stratification for ST segment elevation myocardial infarction in the era of primary percutaneous coronary intervention显示文摘Acute coronary syndromes presenting with ST elevation are usually treated with emergency reperfusion/revascularisation therapy. In contrast current evidence and national guidelines recommend risk stratification for non ST segment elevation myocardial infarction(NSTEMI) with the decision on revascularisation dependent on perceived clinical risk. Risk stratification for STEMI has no recommendation. Statistical risk scoring techniques in NSTEMI have been demonstrated to improve outcomes however their uptake has been poor perhaps due to questions over their discrimination and concern for application to individuals who may not have been adequately represented in clinical trials. STEMI is perceived to carry sufficient risk to warrant emergency coronary intervention [by primary percutaneous coronary intervention(PPCI)] even if this results in a delay to reperfusion with immediate thrombolysis. Immediate thrombolysis may be as effective in patients presenting early, or at low risk, but physicians are poor at assessing clinical and procedural risks and currently are not required to consider this. Inadequate data on risk stratification in STEMI inhibits the option of immediate fibrinolysis, which may be cost-effective. Currently the mode of reperfusion for STEMI defaults to emergency angiography and percutaneous coronary intervention ignoring alternative strategies. This review article examines the current risk scores and evidence base for risk stratification for STEMI patients. The requirements for an ideal STEMI risk score are discussed. | Richard A Brogan Christopher J Malkin Philip D Batin Alexander D Simms James M McLenachan Christopher P Gale | 2014 | World Journal of Cardiology2014，6，8： | 6 |
| 3 | The Changing Cold Regions Network:Observation,diagnosis and prediction of environmental change in the Saskatchewan and Mackenzie River Basins,Canada显示文摘Climate change is causing rapid and severe changes to many Earth systems and processes,with widespread cryospheric,ecological,and hydrological impacts globally,and especially in high northern latitudes.This is of major societal concern and there is an urgent need for improved understanding and predictive tools for environmental management.The Changing Cold Regions Network(CCRN)is a Canadian research consortium with a focus to integrate existing and new experimental data with modelling and remote sensing products to understand,diagnose,and predict changing land,water,and climate,and their interactions and feedbacks over the geographic domain of the Mackenzie and Saskatchewan River Basins in Canada.The network operates a set of 14 unique and focused Water,Ecosystem,Cryosphere and Climate(WECC)observatories within this region,which provide opportunities to observe and understand processes and their interaction,as well as develop and test numerical simulation models,and provide validation data for remote sensing products.This paper describes this network and its observational,experimental,and modelling programme.An overview of many of the recent Earth system changes observed across the study region is provided,and some local insights from WECC observatories that may partly explain regional patterns and trends are described.Several of the model products being developed are discussed,and linkages with the local to international user community are reviewed—In particular,the use of WECC data towards model and remote sensing product calibration and validation is highlighted.Some future activities and prospects for the network are also presented at the end of the paper. | Chris M DEBEER Howard S WHEATER William L QUINTON Sean K CAREY Ronald E STEWART Murray D MACKAY Philip MARSH | 2015 | Science China Earth Sciences2015，58，1： | 5 |
| 4 | Revisiting normal perfusion pressure breakthrough in light of hemorrhage-induced vasospasm显示文摘Cerebral arteriovenous malformations(AVMs) have abnormally enlarged arteries and veins prone to spontaneous hemorrhage.Immediately following surgical excision of a cerebral AVM,even normal brain tissue surrounding the lesion is subject to hemorrhage,a phenomenon termed normal perfusion pressure breakthrough(NPPB) syndrome.According to this theory,arteries supplying cerebral AVMs become dilated and lose their capacity to dilate or constrict to autoregulate pressure.Acutely after removal of a cerebral AVM,excessive blood pressure in these arterial feeders can cause normal brain tissue to bleed.However,this theory remains controversial.We present a patient with a cerebral AVM that demonstrated cerebrovascular reactivity and argues against an assumption underlying the theory of NPPB syndrome. | Matthew D Alexander E Sander Connolly Philip M Meyers | 2010 | World Journal of Radiology2010，2，6： | 3 |
| 5 | 一种房颤风险评分系统的建立(Framingham心脏研究):基于社区的队列研究显示文摘背景房颤导致了发病率和病死率的显著上升。本研究旨在建立一种预测个体罹患房颤绝对风险的风险评分系统,并提供研究人员评价新危险因素的流程。方法作者评估了Framingham心脏研究中于1968年6月至1987年9月间进行了8044次检测的4764例参与者(55%为女性,年龄45~95岁)。此后,参与者被随访至房颤首发,随访期最长达10年。多变量Coxi回归确认出1(1年内罹患房颤的临床危险因素。次级分析纳入了常规超声心动图检测指标(5152例4参与者,7156次检测)对房颤风险进行再分层评估,并评价超声检测指标能否提高风险预测能力。结果4764例参与者中的457例4(10%)罹患房颤。年龄、性别、体重指数、收缩压、降压治疗、PR间期、有临床意义的心脏杂音及心力衰竭与房颤相关,并被纳入了风险评分模型(除体重指数P=0.08外,其余均为P〈0.05),模型的C统计量为0.78(95%CI0.76~0.80)。10年房颤风险随年龄变化:年龄〈65岁的人群中53例(1%)风险高于15%,而〉65岁的人群中为783例(27%)。为提高预测能力而纳入超声检测指标仅使模型C统计量略微增高,由0.78(95%C10.75~0.80)增至0.79(95%CI0.77~0.82:P=0.005)。超声心动图检测指标并不能改善风险再分层评估(P=0.18)。结论基于社区医疗中易得的临床因素建立的风险评分系统,有助于确认社区个体罹患房颤的风险,评估技术或标志物能否改善风险预测,以及针对高危个体采取预防措施。 | Renate B Schnabel Lisa M Sullivan Daniel Levy Michael J Pencina Joseph M Massaro Ralph B D'Agostino Sr Christopher Newton-Cheh Jennifer F Yamamoto Jared W Magnani Thomas M Tadros William B Kannel Thomas J Wang Patrick T Ellinor Philip A Wolf Ramachanclran S Vasan Emelia J Benjamin 黄刚(译) | 2009 | 世界临床医学2009，，9： | 2 |
| 6 | Improved procedures for clearing roots and staining parasitic and vesicular-arbuscular mycorrhizal fungi for rapid assessment of infection显示文摘 | Philips J M Hayman D S | 1970 | Trans Br Mycol Soc1970，55，： | 2 |
| 7 | Epidermal growth factor receptor inhibits colitis-associated cancer in mice显示文摘 | Dubé Philip E Yan Fang Punit Shivesh Girish Nandini McElroy Steven J Washington M Kay Polk D Brent | 2012 | EN2012，，8： | 2 |
| 8 | First-principles simulation: Ideas, illustrations and the castep code 显示文摘 | Segall M D Philip J D Lindan Probert M J | 2002 | J Phys Cond Mat t2002，14，11： | 1 |
| 9 | Intrinsic viscosity of dendrimers via equi- librium molecular dynamics 显示文摘 | Philip M D David B A | 2005 | Soft Matter2005，1，2： | 1 |
| 10 | A Refinement of Inverse Distance Weigh- ted Interpolation显示文摘 | Watson D F Philip G M | 1985 | Geoprocessing1985，，2： | 1 |
| 11 | Institutional repositories: evaluating the reasons for non-use of Comell University's Installation of DSpaee 显示文摘 | Philip M D Matthew J L | 2007 | D-Lib Magazine2007，13，34： | 1 |
| 12 | Development of a risk assessment tool for deliberate self-extubation in intensive care patients显示文摘 | Philip M Kristine S Wilfried D | 2004 | Intensive Care Med2004，30，7： | 1 |
| 13 | Drying and rewetting effects on soil microbial community composition and nutrient leaching显示文摘 | Gordon H Philip M H Bardgett R D | 2008 | Soil Biology & Biochemistry2008，40，： | 1 |
| 14 | Voriconazole - Associated Phototoxicity 显示文摘 | Ryan R Riahi B S Philip R Cohen M D | 2011 | Dermatology Online Journal2011，17，2： | 1 |
| 15 | The analytical investigation of synthetic street drugs containing cathinone analogs显示文摘 | Amanda M L Philip B S Adriana D A | 2014 | Forensic Sci Int2014，234，： | 1 |
| 16 | A refinement of inverse distance weighted interpolation 显示文摘 | Watson D F Philip G M | 1985 | Geo-Processing1985，2，4： | 1 |
| 17 | Silver nanowire networks as flexible, transparent, con-ducting films: extremely high DC to optical conductivity ratios显示文摘 | SUKANTA D THOMAS M H PHILIP E L | 2009 | ACS Nano2009，3，7： | 1 |
| 18 | Exploratory analysis of the safety climate and safety behavior relationship显示文摘 | Cooper M D Philips R | 2004 | Journal of Safety Research2004，35，5： | 1 |
| 19 | Aging of nonceramic insulators due to corona from water drops 显示文摘 | PHILIPS J CHILDS D J SCHNEIDER H M | 1999 | IEEE Transactions on Power Delivery1999，14，3： | 1 |
| 20 | Aplications of exopolysaccharides in the dairy industry显示文摘 | PHILIPE D BEAT M | 2001 | Internal Dairy Journal2001，，11： | 1 |
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