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Screening agars for MRSA:evaluation of a stepwise diagnostic approach with two different selective agars for the screening for methicillin-resistant Staphylococcus aureus(MRSA)

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Military Medical Research 2015年第4期3卷 213-219页

作者： Volker Micheel Benedikt Hogan Thomas Koller Philipp Warnke Sabine Crusius rebecca hinz Ralf Matthias Hagen Norbert Georg Schwarz Hagen Frickmann Department of Tropical Medicine at the Bernhard Nocht Institute German Armed Forces Hospital of Hamburg Department of Infectious Disease Epidemiology Bernhard Nocht Institute for Tropical Medicine Hamburg Institute for Microbiology Virology and Hygiene University Medicine Rostock

Background: Colonization with methicillin-resistant Staphylococcus aureus(MRSA) poses a hygiene risk that does not spare field hospitals or military medical field camps during military deployments. Diagnostic options for unambiguously identifying MRSA isolates are usually scarce in military environments. In this study, we assessed the stepwise application of two different selective agars for the specific identification of MRSA in screening ***: Nasal swabs from 1,541 volunteers were subjected to thioglycollate broth enrichment and subsequently screened on CHROMagar MRSA selective agar for the identification of MRSA. The MRSA identity of suspiciouslooking colonies was confirmed afterwards or excluded by another selective agar, chrom ID MRSA. All isolates from the selective agars with MRSA-specific colony morphology were identified by biochemical methods and mass ***: The initial CHROMagar MRSA screening identified suspicious colonies in 36 out of 1541 samples. A total of 25 of these 36 isolates showed MRSA-like growth on chrom ID agar. Out of these 25 isolates, 24 were confirmed as MRSA, while one isolate was identified as Staphylococcus kloosii. From the 11 strains that did not show suspicious growth on chrom ID agar, 3 were methicillin-sensitive Staphylococcus aureus(MSSA, with one instance of cocolonization with Corynebacterium spp.), 2 were confirmed as MRSA(with 1 instance of co-colonization with MSSA), 2 were lost during passaging and could not be re-cultured, one could not be identified by the applied approaches, and the remaining 3 strains were identified as Staphylococcus saprophyticus, Staphylococcus hominis(co-colonized with Macrococcus caseolyticus) and Staphylococcus cohnii, ***: The application of the selective agar CHROMagar MRSA alone proved to be too non-specific to allow for a reliable diagnosis of the presence of MRSA. The combined use of two selective agars in a stepwise approach reduced this non-s

关键词： Methicillin-resistant Staphylococcus aureus Selective agar Chromogenic agar Screening Hygiene Stepwise diagnostics CHROMagar Chrom ID agar

Microbiological screenings for infection control in unaccompanied minor refugees： the German Armed Forces Medical Service＇s experience

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Military Medical Research 2018年第1期5卷 33-40页

作者： Winfried Maaβen Dorothea Wiemer Claudia Frey Christina Kreuzberg Egbert Tannich rebecca hinz Andreas Wille Andreas Fritsch Ralf Matthias Hagen Hagen Frickmann Department of Tropical Medicine at the Bernhard Nocht Institute German Armed Forces Hospital of Hamburg Bernhard Nocht Street 74 D-20359 Hamburg Germany German Society for International Cooperation (GIZ) Bonn Germany Department of Molecular Parasitology Bernhard Nocht Institute for Tropical Medicine Hamburg Hamburg Germany Institute of Medical Microbiology Virology and Hygiene University Medical Center Hamburg-Eppendorf Hamburg Germany Institute for Hygiene and Environment Hamburg Germany Department of Laboratory Medicine German Armed Forces Hospital of Hamburg Hamburg Germany NATO Center of Excellence for Military Medicine (MilMedCOE) Deployment Health Surveillance Capability (DHSC) Munich Germany Institute for Microbiology Virology and Hygiene University Medicine Rostock Rostock Germany

Background:The German Military Medical Service contributed to the medical screening of unaccompanied minor refugees(UMRs)coming to Germany in 2014 and *** this study,a broad range of diagnostic procedures was applied to identify microorganisms with clinical or public health ***,those tests had only been used to screen soldiers returning from tropical *** instance is the first time the approach has been studied in a humanitarian ***:The offered screenings included blood cell counts,hepatitis B serology and microscopy of the stool to look for protozoa and worm eggs as well as PCR from stool samples targeting pathogenic bacteria,protozoa and *** individuals refused certain assessments,their decision to do so was accepted.A total of 219 apparently healthy male UMRs coming from Afghanistan,Egypt,Somalia,Eritrea,Syria,Ghana,Guinea,Iran,Algeria,Iraq,Benin,Gambia,Libya,Morocco,Pakistan,and Palestine were *** UMRs who were examined at the study department were included in the ***:We detected decreasing frequencies of pathogens that included diarrhoea-associated bacteria[Campylobacter(C.)jejuni,enteropathogenic Escherichia(E.)coli(EPEC),enterotoxic ***(ETEC),enteroaggregative ***(EAEC),enteroinvasive ***(EIEC)/Shigella spp.),Giardia(G.)duodenalis,helminths(comprising Schistosoma spp.,Hymenolepis(H.)nana,Strongyloides(S.)stercoralis]as well as hepatitis B *** microorganisms dominated the samples by *** *** was detected in 11.4%of the assessed UMRs,the incidence of newly identified cases in the German population was 4.5 cases per 100,000 ***:We conclude that the applied in-house PCR screening systems,which have proven to be useful for screening military returnees from tropical deployments,can also be used for health assessment of immigrants from the respective *** healthy UMRs may be enterically colonized with a broad variety of

关键词： Refugee Migration Asylum seeker Infection control Screening Gastrointestinal pathogens

Ink-structing the future of vascular tissue engineering:a review of the physiological bioink design

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Bio-Design and Manufacturing 2024年第2期7卷 181-205页

作者： Judith Synofzik Sebastian Heene rebecca Jonczyk Cornelia Blume Institute for Technical Chemistry Leibniz University Hannover30167 HannoverGermany

Three-dimensional(3D)printing and bioprinting have come into view for a plannable and standardizable generation of implantable tissue-engineered constructs that can substitute native tissues and *** tissue-engineered structures are intended to integrate with the patient’s *** tissue engineering(TE)is relevant in TE because it supports the sustained oxygenization and nutrition of all tissue-engineered *** have a specific role,representingthenecessarymedium for printability and vascular cell *** review aims to understand the requirements for the design of vascular ***,an in-depth analysis of vascular cell interaction with their native environment must be gained.A physiological bioink suitable for a tissue-engineered vascular graft(TEVG)must not only ensure good printability but also induce cells to behave like in a native vascular vessel,including self-regenerative and growth *** review describes the general structure of vascular walls with wall-speciﬁc cell and extracellular matrix(ECM)components and biomechanical properties and ***,the physiological role of vascular ECM components for their interaction with vascular cells and the mode of interaction is *** currently available or imaginable bioinks are described from physiological matrix proteins to nonphysiologically occurring but natural chemical compounds useful for vascular *** physiological performance of these bioinks is evaluated with regard to biomechanical properties postprinting,with a view to current animal studies of 3D printed vascular ***,the main challenges for further bioink development,suitable bioink components to create a self-assembly bioink concept,and future bioprinting strategies are *** concepts are discussed in terms of their suitability to be part of a TEVG with a high potential for later clinical use.

关键词： Vascular wall histology Vascular cells Microenvironment Extracellular matrix Cell–matrix interaction Bioink Printability

Comparative analysis of breast and lung cancer survival rates and clinical trial enrollments among rural and urban patients in Georgia

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Oncology Research 2024年第9期32卷 1401-1406页

作者： TATIANA KURILO rebecca D.PENTZ Winship Cancer Institute Emory University School of MedicineEmory UniversityAtlanta30322USA

Objectives:Rural patients have poor cancer outcomes and clinical trial(CT)enrollment compared to urban patients due to attitudinal,awareness,and healthcare access *** of cancer survival disparities and CT enrollment is important for designing interventions and innovative approaches to address the stated *** study explores the potential disparities in cancer survival rates and clinical trial enrollments in rural and urban breast and lung cancer *** hypotheses are that for both cancer types,urban cancer patients will have longer 5-year survival rates and higher enrollment rates in clinical trials than those in rural ***:We compared breast and lung cancer patients’survival rates and enrollment ratios in clinical trials between rural(RUCC 4-9)and urban counties in Georgia at a Comprehensive Cancer Center(CCC).To assess these differences,we carried out a series of independent samples t-tests and Chi-Square ***:The outcomes indicate comparable 5-year survival rates across rural and urban counties for breast and lung cancer patients,failing to substantiate our *** clinical trial enrollment rates demonstrated a significant difference between breast and lung cancer patients at CCC,no significant variation was observed based on rural or urban ***:These findings underscore the need for further research into the representation of rural patients with diverse cancer types at CCC and other cancer ***,the findings have considerable implications for the initiation of positive social change to improve CT participation and reduce cancer survival disparities.

关键词： Cancer Cancer survival rates Clinical trial enrollment Rural patients Health disparities Barriers to clinical trial participation Geographic disparities

Assessing gully erosion and rehabilitation using multi temporal LiDAR DEMs:Case study from the Great Barrier Reef catchments,Australia

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International Soil and Water Conservation Research 2024年第1期12卷 184-199页

作者： Sana Khan rebecca Bartley Anne Kinsey-Henderson Aaron Hawdon The Commonwealth Scientific and Industrial Research Organisation(CSIRO) Environment1 James Cook DrDouglas4814Australia The Commonwealth Scientific and Industrial Research Organisation(CSIRO) EnvironmentGPO Box 2583BrisbaneQLD4001Australia

Millions of dollars are being spent on gully rehabilitation to help reduce excess fine sediment delivery to the Great Barrier Reef(GBR).There is an urgent need for(i)prioritisation of active gullies for rehabilitation and(ii)the development of methodologies to inform the effectiveness of *** this study we analyse DEMs of Difference derived from 0.5 m resolution 2-3 year interval multi-temporal LiDAR data collected pre and post rehabilitation at three variable gully morphologies in the Burdekin *** analysis indicates that the highest annual average fine sediment erosion rates for the untreated control gullies occur at the linear gully(53.38 t ha^(-1)y^(-1))followed by linear-alluvial gully(34.24 t ha^(-1)y^(-1))and least at the alluvial gully(14.41 t ha^(-1)y^(-1)).The proportional loss or export of fine sediment from the gullies in their un-treated condition ranges from∼68 to 90%of what is eroded,and when the gullies are treated the proportion of fine sediment that is retained in the gully proportional to what is eroded increases to∼60%at all *** pre-treatment baseline erosion rates,and additional post treatment LiDAR captures,it is difficult to quantify the treatment *** results offer insights in the erosion mechanisms within different geomorphic gully morphologies and rehabilitation effects in these erosional *** study provides crucial knowledge of gully dynamics that can be coupled with other lines of evidence for better prioritisation of rehabilitation in the GBR catchments.

关键词： Digital elevation models (dis)connectivity Restoration Geomorphic change detection Geomorphic effectiveness GIS

Mindfulness Facets and Psychological Well-Being among Meditators:Serenity as a Mediating Process

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International Journal of Mental Health Promotion 2024年第3期26卷 177-187页

作者： rebecca Y.M.Cheung Iris Yili Wang Elsa Ngar-Sze Lau School of Psychology and Clinical Language Sciences University of ReadingReadingUK Department of Special Education and Counselling The Education University of Hong KongHong KongChina Department of Educational Administration and Policy The Chinese University of Hong KongHong KongChina

Guided by the theoretical processes of mindfulness and psychological well-being,this study examined serenity as a mediator between mindfulness facets and psychological well-being,as indexed by depressive symptoms and life *** were 133 mindfulness practitioners who took part in a 3-day transnational meditation event in Hong *** informed consent,participants completed a self-report *** findings from structural equation modeling showed that serenity mediated the relation between two facets of mindfulness,including describing and nonreacting to inner experience,and life *** also mediated the relation between the mindfulness facet of describing and depressive *** associations were indicated between two mindfulness facets,including observing and nonjudging of inner experience,and depressive *** together,the findings revealed mindfulness facets as major correlates of serenity and psychological outcomes among Chinese meditation *** foster psychological well-being,researchers,educators,and practitioners should pay attention to the role of serenity,describing,and nonreacting to inner experience in mental health.

关键词： Depressive symptoms mindfulness mindfulness practitioners satisfaction with life serenity

《晚期癌症患者呼吸困难处理:美国临床肿瘤学会指南》解读

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协和医学杂志 2024年第1期15卷 52-57页

作者：贾之萌 Colman rebecca 宁晓红哈佛大学医学院全球健康与社会医学系美国马萨诸塞州波士顿市MA 02138 多伦多西奈山医院Temmy Latner姑息关怀中心加拿大多伦多市M5S 2E8 多伦多大学家庭与社区医学系加拿大多伦多市M5S 2E8 多伦多大学大学健康网络医学系加拿大多伦多市M5S 2E8 中国医学科学院北京协和医院老年医学科北京100730 中国医学科学院北京协和医院缓和医学中心北京100730

呼吸困难是一种自觉症状,其给晚期癌症患者带来了巨大痛苦。有效评估和处理晚期癌症患者的呼吸困难是一线临床医生和专业护理人员应具备的核心能力,中国目前尚缺乏此方面的规范处理流程。基于循证医学证据,美国临床肿瘤学会发布了“晚... 详细信息

呼吸困难是一种自觉症状,其给晚期癌症患者带来了巨大痛苦。有效评估和处理晚期癌症患者的呼吸困难是一线临床医生和专业护理人员应具备的核心能力,中国目前尚缺乏此方面的规范处理流程。基于循证医学证据,美国临床肿瘤学会发布了“晚期癌症呼吸困难处理实践指南”,该指南针对晚期癌症患者给出了呼吸困难评估和分级处理策略。本文结合中国国情,旨在对该指南中的关键内容进行详细解读,以期为中国的临床实践提供指导和借鉴。

关键词：晚期癌症呼吸困难缓和医疗指南解读

Affordability, Accessibility, and Quality of Maternal Health Care Services and Level of Satisfaction of Mothers in Rural Areas in China

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Journal of Clinical and Nursing Research 2024年第8期8卷 218-231页

作者： Teng Sun rebecca A.Guariño Shandong Provincial Qianfoshan Hospital Jinan 250000Shangdong ProvinceChina

Objective:This study aimed to understand the affordability,accessibility,and quality of maternal and child health services for postpartum mothers,and their impact on ***:The study utilized the Anderson model and revised the Maternal Pregnancy and Perinatal Health Service Questionnaire.A survey was conducted among 289 mothers aged 20–49 in Feicheng ***:Regarding accessibility,most respondents(133)reported that travel time to healthcare services exceeded 60 minutes,while 99 respondents indicated a travel time of 16–30 *** issue of affordability was highlighted,with 86.85%of participants perceiving maternal healthcare services as costly,indicating a significant financial *** than 50%of respondents were satisfied with two specific dimensions(P<0.05)regarding the quality of maternal healthcare ***:The study found that accessibility,affordability,and quality significantly affect mothers’satisfaction with maternal health *** research should focus on developing more suitable service pathways for rural mothers.

关键词： Affordability Accessibility Quality Maternal health care services Level of satisfaction Rural area

Manipulation of photosensory and circadian signaling restricts phenotypic plasticity in response to changing environmental conditions in Arabidopsis

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Molecular Plant 2024年第9期17卷 1458-1471页

作者： Martin William Battle Scott Fraser Ewing Cathryn Dickson Joseph Obaje Kristen N.Edgeworth rebecca Bindbeutel Rea LAntoniou-Kourounioti Dmitri A.Nusinow Matthew Alan Jones Plant Science Group School of Molecular BiosciencesUniversity of GlasgowGlasgow G128QQUK Danforth Plant Science Center St.LouisMO 63132USA Department of Biological and Biomedical Sciences Washington University in St.LouisSt.LouisMO 63130USA Present address:School of Biological and Environmental Sciences Liverpool John Moores UniversityLiverpool L22QPUK

Plants exploit phenotypic plasticity to adapt their growth and development to prevailing environmental *** of light and temperature signals is aided by the circadian system,which provides a temporal *** plasticity provides a selective and competitive advantage in nature but is obstructive during large-scale,intensive agricultural practices since economically important traits(including vegetative growth and flowering time)can vary widely depending on local environmental *** prevents accurate prediction of harvesting times and produces a variable *** this study,we sought to restrict phenotypic plasticity and circadian regulation by manipulating signaling systems that govern plants'responses to environmental *** modeling of plant growth and develop-ment predicted reduced plant responses to changing environments when circadian and light signaling pathways were *** tested this prediction by utilizing a constitutively active allele of the plant photoreceptor phytochrome B,along with disruption of the circadian systemvia mutation of *** found that these manipulations produced plants that are less responsive to light and temper-ature cues and thus fail to anticipate *** engineered plants have uniform vegetative growth and flowering time,demonstrating how phenotypic plasticity can be limited while maintaining plant *** has significant implications for future agriculture in both open fields and controlled environments.

关键词： circadian developmental plasticity phenotypic plasticity external coincidence light temperature