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Takotsubo Syndrome:Does the Octopus Trap Hide Dangers?

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Cardiovascular Innovations and Applications 2017年第B5期2卷 311-324页

作者： Maria Bergami peter louis amaduzzi Raffaele Bugiardini Department of Specialistic Diagnostic and Experimental Medicine(DIMES)Alma Mater UniversityBolognaItaly

Takotsubo syndrome(TTS)is a recently identified acute heart syndrome,characterized by regional wall motion abnormalities not justified by the presence of significant coronary artery ***,TTS closely resembles acute coronary syndromes(ACS)and therefore differential diagnosis may be an important obstacle for its correct clinical *** prevalence of TTS is estimated to be around2%of acute myocardial infarctions,and the number of diagnoses has increased in recent years,possibly reflecting our growing understanding of this *** the similarities between TTS and ACS,clinical presentation in these patients is ***,numerous peculiar traits have been observed,such as the greater prevalence in postmenopausal women and the presence of stressful *** pathogenetic hypotheses for TTS,such as catecholamine overload and microvascular dysfunction,have been *** of these have been capable of independently explaining the underlying *** diagnostic criteria proposed by the Heart Failure Association of the European Society of Cardiology represent a novel attempt to introduce semiquantitative parameters,yet further scientifi c validation is *** to previous opinions,TTS is not always benign,considering the relatively high prevalence of acute complications,an estimated in-hospital mortality similar to that of acute myocardial infarction(1-8%),and a signifi cant rate of recurrences and persistence of *** management of TTS has been largely based on empirical experience related to ACS,and therefore pharmacological strategies are partially *** issue of the utmost importance is the lack of randomized prospective data validating diagnostic criteria,risk stratification,and specifi c therapeutic approaches.

关键词： Takotsubo syndrome stress cardiomyopathy broken-heart syndrome sex-related myocardial diseases

Model-based estimation of above-ground biomass in the miombo ecoregion of Zambia

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Forest Ecosystems 2016年第4期3卷 258-274页

作者： James Halperin Valerie LeMay Emmanuel Chidumayo louis Verchot peter Marshall Department of Forest Resources Management The University of British Columbia 2424 Main Mall Vancouver BC V6T 1Z4 Canada Makeni Savanna Research Project P.O. Box 50323 Ridgeway Lusaka Zambia International Center for Tropical Agriculture Km 17 Recta Cali-Palmira Apartado Aereo 6713 Cali 763537. Colombia

Background：Information on above-ground biomass（AGB） is important for managing forest resource use at local levels,land management planning at regional levels,and carbon emissions reporting at national and international *** many tropical developing countries,this information may be unreliable or at a scale too coarse for use at local *** is a vital need to provide estimates of AGB with quantifiable uncertainty that can facilitate land use management and policy development ***-based methods provide an efficient framework to estimate ***：Using National Forest Inventory（NFI） data for a^1,000,000 ha study area in the miombo ecoregion,Zambia,we estimated AGB using predicted canopy cover,environmental data,disturbance data,and Landsat 8 OLI satellite *** assessed different combinations of these datasets using three models,a semiparametric generalized additive model（GAM） and two nonlinear models（sigmoidal and exponential）,employing a genetic algorithm for variable selection that minimized root mean square prediction error（RMSPE）,calculated through *** compared model fit statistics to a null model as a baseline estimation *** bootstrap resampling methods,we calculated 95% confidence intervals for each model and compared results to a simple estimate of mean AGB from the NFI ground plot ***：Canopy cover,soil moisture,and vegetation indices were consistently selected as predictor *** sigmoidal model and the GAM performed similarly;for both models the RMSPE was -36.8 tonnes per hectare（i.e.,57% of the mean）.However,the sigmoidal model was approximately 30% more efficient than the GAM,assessed using bootstrapped variance estimates relative to a null *** selecting the sigmoidal model,we estimated total AGB for the study area at 64,526,209 tonnes（＋/- 477,730）,with a confidence interval 20 times more precise than a simple designbased ***：Our findings demonstrate that NFI

关键词： National Forest Inventory Above-ground biomass Miombo REDD+ Generalized additive model Nonlinear model Landsat 8 OLI

Geodynamics of oceanic plateau and plume head accretion and their role in Phanerozoic orogenic systems of China

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Geoscience Frontiers 2015年第1期6卷 49-59页

作者： peter G.Betts louis Moresi Meghan S.Miller David Willis School of Earth Atmosphere and EnvironmentMonash UniversityClayton Campus School of Mathematical Sciences Monash UniversityClayton Campus Department of Earth Sciences University of Melbourne Department of Earth Sciences University of Southern California

We present three 3D numerical models of deep subduction where buoyant material from an oceanic plateau and a plume interact with the overriding plate to assess the influence on subduction dynamics, trench geometry, and mechanisms for plateau accretion and continental growth. Transient instabilities of the convergent margin are produced, resulting in： contorted trench geometry; trench migration parallel with the plate margin; folding of the subducting slab and orocline development at the convergent margin; and transfer of the plateau to the overriding plate. The presence of plume material beneath the oceanic plateau causes fiat subduction above the plume, resulting in a ＂bowed＂ shaped subducting slab. In plateau-only models, plateau accretion at the edge of the overriding plate results in trench migration around the edge of the plateau before subduction is re-established directly behind the trailing edge of the plateau. The plateau shortens and some plateau material subducts. The presence of buoyant plume material beneath the oceanic plateau has a profound influence on the behaviour of the convergent margin. In the plateau ~ plume model, plateau accretion causes rapid trench advance. Plate convergence is accommodated by shearing at the base of the plateau and shortening in the overriding plate. The trench migrates around the edge of the plateau and subduction is re-established well behind the trailing edge of the plateau, effectively embedding the plateau into the overriding plate. A slab window forms beneath the accreted plateau and plume material is transferred from the subducting plate to the over- riding plate through the window. In all of the models, the subduction zone maintains a relatively stable configuration away from the buoyancy anomalies within the downgoing plate. The models provide a dynamic context for plateau and plume accretion in Phanerozoic accretionary orogenic systems such as the East China Orogen and the Central Asian Orogen （Altiads）, which ar

关键词： Subduction Accretion Plateau Plume Central Asian Orogen Geodynamics

Delirium after emergency hip surgery-common and serious, but rarely consented for

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World Journal of Orthopedics 2019年第6期10卷 228-234页

作者： louis J Koizia Faye Wilson peter Reilly Michael B Fertleman Geriatric Medicine Imperial College NHS TrustLondon W2 1NYUnited Kingdom Geriatric Medicine City Hospitals SunderlandSunderland SR4 7TPUnited Kingdom Department of Trauma and Orthopaedics Imperial College Healthcare NHS TrustLondon W2 1NYUnited Kingdom

A quarter of patients admitted with a proximal femoral fracture suffer from an acute episode of delirium during their hospital *** it is often unrecognised,poorly managed,and rarely discussed by *** is important not only to the affected individuals and their families,but also socioeconomically to the broader *** increases mortality and morbidity,leads to lasting cognitive and functional decline,and increases both length of stay and dependence on *** should be routinely and openly discussed by all members of the clinical team,including surgeons when gaining *** to do so may expose surgeons to claims of *** we present a concise review of the literature and discuss the epidemiology,causative factors,potential consequences and preventative strategies in the perioperative period.

关键词： Delirium Proximal femoral fractures Consent Hip surgery Montgomery Medicolegal

Identifying sex-specific differences in the carotid revascularisation literature:findings from a scoping review

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Stroke & Vascular Neurology 2021年第3期6卷 496-499,I0085-I0096页

作者： Vignan Yogendrakumar Michel Shamy Brian Dewar Dean A Fergusson Dar Dowlatshahi Candyce Hamel Sophia Gocan Mark Fedyk Jean-louis Mas peter Rothwell Virginia Howard Olena Bereznyakova On behalf of the WoW-CAD Investigators Department of Medicine Division of Neurology and Ottawa Hospital Research InstituteUniversity of OttawaOttawaOntarioCanada Epidemiology Program Ottawa Hospital Research InstituteOttawaOntarioCanada Stroke Prevention Clinic Ottawa HospitalOttawaOntarioCanada Bioethics Program UC Davis Department of MedicineSacramentoCaliforniaUSA Universite Paris Descartes Faculte de Medecine Site Cochin Parislle-de-FranceFrance Service de Neurologie Hôital Sainte-AnneParisFrance The University of Alabama at Birmingham School of Medicine BirminghamAlabamaUSA School of Public Health University of Alabama at BirminghamBirminghamAlabamaUSA 不详

Objective No systematic review of the literature has dedicated itself to looking at the management of symptomatic carotid stenosis in female *** this scoping review,we aimed to identify all randomised controlled trials(RCTs)that reported sex-specific outcomes for patients who underwent carotid revascularisation,and determine whether sufficient information is reported within these studies to assess short-term and long-term outcomes in female ***,setting and participants We systematically searched Medline,Embase,Pubmed and Cochrane libraries for RCTs published between 1991 and 2020 that included female patients and compared either endarterectomy with stenting,or any revascularisation(endarterectomy or stenting)with medical therapy in patients with symptomatic high-grade(>50%)carotid *** From 1537 references examined,27 eligible studies were ***-specific outcomes were reported in 13 *** patient characteristics of enrolled female patients were reported in 2 of those 13 *** outcomes reported included stroke and death,however,there was significant heterogeneity in the reporting of both periprocedural and long-term ***-specific differences relating to the degree of stenosis and time from index event to treatment are largely limited to studies comparing endarterectomy to medical *** events were not reported by *** Only half of the previously published RCTs and systematic reviews report sex-specific *** analyses on the results of carotid artery intervention for female patients with symptomatic stenosis are limited.

关键词： carotid stenosis finding

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Web信息架构

作者： (美)peter Morville (美)louis Rosenfeld

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Comprehensive study of a versatile polyol synthesis approach for cathode materials for Li-ion batteries

2016年

作者： (美) 罗森菲尔德 (Rosenfeld L.) (美) 莫尔维莱 (Morville P.) (美) 阿朗戈 (Arango J.)

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Nano Research 2019年第9期12卷 2238-2249页

作者： Hyeseung Chung Antonin Grenier Ricky Huang Xuefeng Wang Zachary Lebens-Higgins Jean-Marie Doux Shawn Sallis Chengyu Song peter Ercius Karena Chapman louis F.J.Piper Hyung-Man Cho Minghao Zhang Ying Shirley Meng Department of NanoEngineering University of CaliforniaSan DiegoLa JollaCA 92093USA Chemistry Department Stony Brook UniversityStony BrookNY 11794USA Department of Physics Applied Physics and AstronomyBinghamton UniversityBinghamtonNY 13902USA Advanced Light Source Lawrence Berkeley National Laboratory1 Cyclotron RoadBerkeleyCA 94720USA National Center for Electron Microscopy Molecular FoundryLawrence Berkeley National LaboratoryBerkeleyCA 94720USA

This work reports a comprehensive study of a novel polyol method that can successfully synthesize layered LiNi0.4Mn0.4Co0.2O2,spinel LiNi0.5Mn1.5O4,and olivine LiCoPO4 cathode *** properly designed,polyol method offers many advantages such as low cost,ease of use,and proven scalability for industrial *** importantly,the unique properties of polyol solvent allow for greater morphology control as shown by all the resulting materials exhibiting monodispersed nanoparticles *** morphology contributes to improved lithium ion transport due to short diffusion ***-synthesized LiNi0.4Mn0.4Co0.2O2 delivers a reversible capacity of 101 and 82 mAh.g-1 using high current rate of 5C and 10C,*** also displays surprisingly high surface structure stability after chargedischarge *** step of the reaction was investigated to understand the underlying polyol synthesis mechanism.A combination of in situ and ex situ studies reveal the structural and chemical transformation of Ni-Co alloy nanocrystals overwrapped by a Mn-and Li-embedded organic matrix to a sedes of intermediate phases,and then eventually to the desired layered oxide phase with a homogeneous distribution of Ni,Co,and *** envisage that this type of analysis will promote the development of optimized synthesis protocols by establishing links between experimental factors and important structural and chemical properties of the desired *** insights can open a new direction of research to synthesize high-performance intercalation compounds by allowing unprecedented control of intermediate phases using experimental parameters.

关键词： polyol cathode synthesis nanoparticle LiNi0.4Mn0.4Co0.2O2(NMC)

Maintaining biodiversity will define our long-term success

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Plant Diversity 2020年第4期42卷 211-220页

作者： peter Raven Mathis Wackernagel Missouri Botanical Garden 4344 Shaw BlvdSt.LouisMO63110USA Global Footprint Network 1528 Webster StreetSuite 11OaklandCA94612USA

Human beings are not only a part of our planet's ecosystems,but also,they are massively overusing *** makes ecosystem protection,including biodiversity preservation,vital for humanity's *** speed and scale of the threat are unprecedented in human *** long arch of evolution has been confronted with such a high level of human impact,that we are now facing the sixth mass extinction event,66 million years after the last *** threat heightens the imperative for bold human *** paper identifies three strategies for such an ***,and possibly most challenging,human demand needs to be curbed so it fits within the bounds of what Earth's ecosystems can *** meeting this quantitative goal,biodiversity preservation efforts will not be able to get ***,in the transition time,we must focus on those locations and areas where most biodiversity is *** a focus on‘hotspots’will help safeguard the largest portion of biodiversity with least ***,to direct biodiversity preservation strategies,we need to much better document the existence and distribution of biodiversity around the *** information technologies could help with this critical *** conclusion,biodiversity preservation is no longer just a concern for specialized biologist but is becoming a societal necessity if humanity wants to have a stable future.

关键词： Biodiversity Hotspots Biocapacity Conservation strategy