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Utilization of Hot Spotting to Identify Community Needs and Coordinate Care for High-Cost Patients in Memphis, TN

Journal of Geographic Information System 2014年第1期6卷 23-29页

作者： Teresa Cutts Edward Rafalski cori grant Razvan Marinescu Methodist Le Bonheur Healthcare University of Memphis School of Public Health Memphis USA Methodist Le Bonheur Healthcare University of Memphis School of Public Health Memphis USA University of Tennessee Health Science Center Knoxville USA University of Illinois School of Public Health Chicago USA Qsource & University of Memphis School of Public Health Memphis Memphis USA Wake School of Medicine Division of Public Health Sciences Winston Salem USA

In 2006, Methodist Le Bonheur Healthcare (MLH) created the Congregational Health Network (CHN, TM pending) which works closely with clergy in the most under-served zip codes of the city to improve access to care and overall health status of the population. To best coordinate CHN resources around high-utilization and address the largest health needs in the community, MLH applied hot spotting and geographic information system (GIS) spatial analysis techniques. These techniques were coupled with the community health needs assessment process at MLH and qualitative, participatory research findings captured in collaboration with church and other community partners. The methodology, which we call “participatory hot spotting,” is based upon the Camden Model, which leverages hot spotting to assess and prioritize community need in the provision of charity care, but adds a participatory, qualitative layer. In this study, spatial analysis was employed to evaluate hospital-based inpatient and outpatient utilization and define costs of charity care for the health system by area of residence. Ten zip codes accounted for 56% of total system charity care costs. Among these, the largest zip code, as defined by a percentage of total charity costs, contributed 18% of the inpatient utilization and 17% of the cost. Further, this zip code (38109) contributed 69% of the inpatient and 76% of the outpatient charity care volume and accounted for 75% of inpatient and 76% of outpatient charity care costs for the system. These findings were combined with grassroots intelligence that enabled a partnership with clergy and community members and Cigna Healthcare to better coordinate care in a place-based population health management strategy. Presentations of the analytics have subsequently been made to HHS and the CDC, referred to by some as the “Memphis Model”.

关键词： Hot Spotting CHNA (Community Health Needs Assessment) Congregational Health Network (CHN) Memphis Model Health Disparities

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Bioinspired nanocomposites with self-adaptive mechanical properties

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Nano Research 2024年第2期17卷 633-648页

作者： grant Kitchen Bohan Sun Sung Hoon Kang 13400 N Charles St Department of Materials Science and EngineeringJohns Hopkins UniversityBaltimore 21218USA 23400 N Charles St Department of Mechanical EngineeringJohns Hopkins UniversityBaltimore 21218USA 33400 N Charles St Hopkins Extreme Materials InstituteJohns Hopkins UniversityBaltimore 21218USA

Conventional synthetic materials have fixed mechanical properties and suffer defects,damage,and degradation over *** makes them unable to adapt to changing environments and leads to limited ***,self-adaptive materials inspired by natural materials have emerged as a solution to address these *** the ability to change their mechanical properties based on changing mechanical environments,repairing defects,and maintaining their mechanical properties,these materials can lead to improved performance while decreasing *** this review,we explore self-adaptive phenomena found in nature that have inspired the development of synthetic self-adaptive materials,and the mechanisms that have been employed to create the next generation of *** potential applications of these materials,the challenges that existing approaches face,and future research opportunities are also discussed.

关键词： nanocomposites self-adaptive materials bioinspired materials force-activated resilience

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Stability Analysis and Performance Evaluation of Additive Mixed-Precision Runge-Kutta Methods

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Communications on Applied Mathematics and Computation 2024年第1期6卷 705-738页

作者： Ben Burnett Sigal Gottlieb Zachary J.grant Center for Scientific Computing and Data Science Research UMass DartmouthNorth DartmouthMassachusettsUSA CSME Michigan State UniversityEast LansingMichiganUSA

Additive Runge-Kutta methods designed for preserving highly accurate solutions in mixed-precision computation were previously proposed and *** specially designed methods use reduced precision for the implicit computations and full precision for the explicit *** this work,we analyze the stability properties of these methods and their sensitivity to the low-precision rounding errors,and demonstrate their performance in terms of accuracy and *** develop codes in FORTRAN and Julia to solve nonlinear systems of ODEs and PDEs using the mixed-precision additive Runge-Kutta(MP-ARK)*** convergence,accuracy,and runtime of these methods are *** show that for a given level of accuracy,suitably chosen MP-ARK methods may provide significant reductions in runtime.

关键词： Mixed precision Runge-Kutta methods Additive methods Accuracy

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The neurovascular unit-on-a-chip:modeling ischemic stroke to stem cell therapy

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Neural Regeneration Research 2024年第7期19卷 1431-1432页

作者： Seonghun Kim Minjun Kim Gerald A.grant Wonjae Lee Department of Neurosurgery Duke University School of MedicineDurhamNCUSA Department of Neurobiology Duke University School of MedicineDurhamNCUSA Duke Institute for Brain Sciences Duke University School of MedicineDurhamNCUSA Duke Cancer Institute Duke University School of MedicineDurhamNCUSA

The neurovascular unit and stem cell therapy in ischemic stroke:Ischemic stroke,accounts for approximately 85% of all stroke incidents and is a major global health *** is the leading cause of disability and death worldwide,posing immense societal and economic challenges due to the long-term care required for stro ke survivors and the significant healthcare costs associated with its treatment and management(Amarenco et al.,2009).

关键词： death unit

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Rodent management in Aotearoa New Zealand: approaches and challenges to landscape-scale control

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Integrative Zoology 2024年第1期19卷 8-26页

作者： John G.INNES grant NORBURY Araceli SAMANIEGO Susan WALKER Deborah J.WILSON Manaaki Whenua-Landcare Research HamiltonNew Zealand Manaaki Whenua-Landcare Research AlexandraNew Zealand Manaaki Whenua-Landcare Research AucklandNew Zealand Manaaki Whenua-Landcare Research DunedinNew Zealand

Aotearoa—New Zealand has only four rodent species,all *** order of arrival,they are Pacific rat Rattus exulans,brown rat ***,house mouse Mus musculus,and black rat *** management in New Zealand aims mainly to conserve indigenous biodiversity rather than to protect crops or manage diseases,as is usual *** describe four major“regimes”and one major vision for rodent control in New Zealand to meet ecological restoration *** challenges for island eradications are for large islands that are remote or populated by *** 1080 is the only large-scale(tens of thousands of hectares)option for black rat control,but its application requires adjustment to counter subsequent rapid black rat ***“ecosanctuaries”(mean 720 ha)use ground-based traps and poisons to target mainly black rats and face constant *** with mammal-resistant fences(up to 3500 ha)limit reinvasion and target more pest species and have enabled the return of previously extirpated taxa to the main *** Free 2050 aims to eradicate the rat species(but not mice)plus some other introduced mammals from New Zealand by *** vision is not attainable with current tools,but research and experimental management is exploring techniques and *** large scale(to 100000 ha)at which black rats are now targeted for control to extremely low abundance seems to be unique to New Zealand.

关键词： black rat brown rat eradication house mouse rodent control

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Rodent biology and ecologically based rodent management(EBRM)-25 years of progress through promoting multidisciplinary research

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Integrative Zoology 2024年第1期19卷 2-7页

作者： grant R. SINGLETON Lyn A. HINDS Rhodes MAKUNDI Steven R. BELMAIN Natural Resources Institute University of Greenwich Kent UK CSIRO Health and Biosecurity Canberra ACT Australia African Centre of Excellence for Innovative Rodent Pest Management and Biosensor Technology Development Sokoine University of Agriculture Morogoro Tanzania Institute of Pest Management Sokoine University of Agriculture Morogoro Tanzania

“During rodent outbreak years in eastern Africa,lo-cally,more than 80%of the potential harvest may be lost,but even in non-outbreak periods,rodents cause chronic damage to crops….The pest rodent story in Africa in-volves several species embedded in a broad and variable landscape with highly variable densities.”(Leirs et al.2010).

关键词： damage crops

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The use of oral human immunodeficiency virus pre-exposure prophylaxis in pregnant and lactating women in sub-Saharan Africa:considerations,barriers,and recommendations

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Global Health Journal 2024年第2期8卷 41-45页

作者： Enos Moyo grant Murewanhema Perseverance Moyo Tafadzwa Dzinamarira Andrew Ross School of Nursing&Public Health College of Health SciencesUniversity of Kwa-Zulu NatalDurbanSouth Africa Faculty of Medicine and Health Sciences University of ZimbabweHarareZimbabwe Medical Centre Oshakati OshakatiNamibia School of Health Systems and Public Health University of PretoriaPretoriaSouth Africa

In sub-Saharan Africa(SSA),63%of new human immunodeficiency virus(HIV)infections in 2021 were among women,particularly adolescent girls,and young *** is a high incidence of HIV among pregnant and lactating women(PLW)in *** is estimated that the risk of HIV-acquisition during pregnancy and the postpartum period more than *** this article,we discuss the safety and effectiveness of drugs used for oral HIV pre-exposure prophylaxis(PrEP),considerations for initiating PrEP in PLW,the barriers to initiating and adhering to PrEP among them and suggest recommendations to address these ***/emtricitabine,the most widely used combination in SSA,is safe,clinically effective,and cost-effective among *** PLW who requests PrEP and has no medical contraindications should receive *** users who are pregnant or lactating may experience barriers to starting and adhering for a variety of reasons,including personal,pill-related,and healthcare facility-related *** address the barriers,we recommend an increased provision of information on PrEP to the women and the communities,increasing and/or facilitating access to PrEP among the PLW,and developing strategies to increase adherence.

关键词： Pre-exposure prophylaxis Pregnancy Lactation Safety Barriers Recommendations

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Changes in Adipose Tissue and Circulating Concentrations of Persistent Organic Pollutants in Midlife Women

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Environment & Health 2024年第4期2卷 243-252页

作者： Amelia grant-Alfieri Amila Devasurendra Stuart Batterman Carrie Karvonen-Gutierrez Sung Kyun Park Department of Environmental Health Sciences University of Michigan School of Public HealthAnn ArborMichigan 48109United States Department of Epidemiology University of Michigan School of Public HealthAnn ArborMichigan 48109United States

Polychlorinated biphenyls(PCBs)and organochlorine pesticides(OCPs)are persistent organic pollutants(POPs)that bioaccumulate in adipose *** investigated the relationship between change in central adiposity and changes in circulating concentrations of POPs over a 12-year period during the *** concentrations of 34 PCBs and 19 OCPs were measured at four time points(1999/2000,2002/03,2005/06,2009/11)in a cohort of midlife women,the Study of Women’s Health Across the *** mixed models were used to test the association between a change in waist circumference and a change in serum POP ***-five women contributed 181 PCB ***-nine women contributed 151 OCP *** adjustment for covariates(study site,race and ethnicity,age at baseline,parity),a one-inch(2.54 cm)increase in the change in waist circumference between visits was associated with a 4.9%decrease in the change in serum concentration of PCB 194(95%CI:−8.0%,−1.6%).No associations were observed for other PCB congeners or the presence of *** increase in the difference in waist circumference over time was not associated with a change in the difference in serum concentrations of PCBs and OCPs except for PCB 194,possibly due to the high lipophilicity.

关键词： persistent organic pollutants PCBs pesticides adipose tissue women midlife

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Exploring the effects of anthropogenic disturbance on predator inspection activity in Trinidadian guppies

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Current Zoology 2024年第1期70卷 109-111页

作者： Alix J.P Brusseau Laurence E.A.Feyten Adam L.Crane grant E.Brown Department of Biology Concordia UniversityMontrealQCH4B 1R6Canada Department of Biomedical Sciences WCVMUniversity of SaskatchewanSaskatoonSKCanada

Prey animals are often faced with uncertainty due to having imperfect information regarding current local conditions,including predation risks and the availability of reliable foraging opportunities(Dall 2010).As this uncertainty increases,the probability of making costly behavioral errors also increases,leading to more risk averse behavioral tactics(Feyten et al.2019).For example,Trinidadian guppies Poecilia reticulata are far more risk averse when faced with multiple unknown sources of risk assessment information than when faced with a mix of known and unknown cues(Feyten et al.2019).Prey can reduce uncertainty by gathering and integrating private and social information regarding current risk levels within microhabitats(Dall 2010;Munoz and Blumstein 2012).

关键词： human disturbance information availability information reliability predator-prey interactions risk assessment uncertainty

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An Ethical Framework for the Use of AI by Revenue Authorities

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Belt and Road Initiative Tax Journal 2024年第1期 41-51页

作者： grant Wardell-Johnson Conrad Turley KPMG

The use of Al may give rise to substantial benefits but also significant risks for revenue *** paper provides a brief outline of the perceived strengths and weaknesses of Al and potential use of Al in tax *** include the use of Al in risk assessment such as the selection of taxpayers for review or audit,the detection of fraud,nearest neighbour guidance,predictive analysis,anticipating changes in behaviours,improving revenue authorities' internal efficiency including transfer pricing benchmarking,and providing support and guidance to taxpayers through *** authorities are strong candidates for the use of Al given that data is central to what they *** paper postulates more than 20principles which could form the basis of an ethical framework for revenue authorities including policies on transparency,communication,traceability,explainability,human supervision,processes for the rectification of errors,data protection,privacy and *** believe that the adoption of these policies will reduce risks to revenue authorities and build trust in tax *** also believe that sharing best practices amongst revenue authorities should be a clear BRITACOM initiative consistent with its aims and objectives.

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