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Gastroenterologist perceptions of faecal microbiota transplantation

World journal of Gastroenterology 2015年第38期21卷 10907-10914页

作者： Sudarshan Paramsothy alissa j walsh Thomas Borody Douglas Samuel johan van den Bogaerde Rupert WL Leong Susan Connor Watson Ng Hazel M Mitchell Nadeem O Kaakoush Michael A Kamm Gastroenterology and Hepatology Department St Vincent’s Hospital Centre for Digestive Diseases Gastroenterology and Hepatology Department Bankstown-Lidcombe Hospital Gastroenterology and Hepatology Department Nambour General Hospital Gastroenterology and Hepatology Department Liverpool Hospital University of New South Wales School of Biotechnology and Biomolecular Sciences Departments of Gastroenterology and Medicine St Vincent's Hospital and University of Melbourne

AIM: To explore gastroenterologist perceptions towards and experience with faecal microbiota transplantation(FMT).METHODS: A questionnaire survey consisting of 17 questions was created to assess gastroenterologists' attitude towards and experience with FMT. This was anonymously distributed in hard copy format amongst attendees at gastroenterology meetings in Australia between October 2013 and April 2014. Basic descriptive statistical analyses were performed.RESULTS: Fifty-two clinicians participated. Twenty one percent had previously referred patients for FMT,8% more than once. Ninety percent would refer patients with Clostridium difficile infection(CDI) for FMT if easily available,37% for ulcerative colitis,13% for Crohn's disease and 6% for irritable bowel syndrome. Six percent would not refer any indication,including recurrent CDI. Eighty-six percent would enroll patients in FMT clinical trials. Thirty-seven percent considered the optimal mode of FMT administration transcolonoscopic,17% nasoduodenal,13% enema and 8% oral capsule. The greatest concerns regarding FMT were: 42% lack of evidence,12% infection risk,10% non infectious adverse effects/lack of safety data,10% aesthetic,10% lack of efficacy,4% disease exacerbation,and 2% inappropriate use; 6% had no concerns. Seventy seven percent believed there is a lack of accessibility while 52% had an interest in learning how to provide FMT. Only 6% offered FMT at their institution.CONCLUSION: Despite general enthusiasm,most gastroenterologists have limited experience with,or access to,FMT. The greatest concerns were lack of supportive evidence and safety issues. However a significant proportion would refer indications other than CDI for FMT despite insufficient evidence. These data provide guidance on where education and training are required.

关键词： Perceptions Gastroenterologist Clostridium diffici

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Otolaryngology residency program factors associated with female resident representation

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World journal of Otorhinolaryngology-Head and Neck Surgery 2024年第1期10卷 7-11页

作者： julia E.Canick james C.Campbell Charles R.Woodard Lars j.Grimm alissa M.Collins Duke University School of Medicine DurhamNorth CarolinaUSA Department of Head and Neck Surgery&Communication Sciences Duke University School of MedicineDurhamNorth CarolinaUSA Department of Radiology Duke University School of MedicineDurhamNorth CarolinaUSA

Objective:Female representation in the field of otolaryngology is lacking.Residency is the first point at which medical school graduates specialize in a chosen field and thus represents an opportunity to recruit and train more female otolaryngologists.This study sought to identify program factors associated with greater female representation among resident physicians.Methods:Departmental websites of all 124 otolaryngology residency programs in the United States and Puerto Rico were examined for a list of residents.For programs with a resident roster available,the genders of residents,faculty,program directors,and chairpersons were recorded.Location and city population for each program was also recorded,as was female resident representation.Programs were compared using Pearson Chi‐squared univariate tests.Results:1,632 residents and 2,605 faculty were included in the analysis of 109 programs.The median female resident representation was 40%.Programs with larger faculty sizes,more female faculty,and urban location were associated with an above‐median female resident representation.Programs with a larger residency cohort approached significance regarding above‐median female resident representation.Higher female faculty representation,program director gender,chairperson gender,and US region were not associated with variation in female resident representation.Conclusions:Greater female otolaryngology residency representation was associated with programs having an urban location and greater numbers of female and total faculty.It was also likely that a larger resident cohort size may affect female resident representation.The proportions of female faculty,program director,and chairperson gender,as well as the US region,were not associated with variation in female resident gender representation.

关键词： gender program director recruitment residency training

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Ground-based and additional science support for SMILE

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Earth and Planetary Physics 2024年第1期8卷 275-298页

作者： j.A.Carter M.Dunlop C.Forsyth K.Oksavik E.Donovon A.Kavanagh S.E.Milan T.Sergienko R.C.Fear D.G.Sibeck M.Connors T.Yeoman X.Tan M.G.G.T.Taylor K.McWilliams j.Gjerloev R.Barnes D.D.Billet G.Chisham A.Dimmock M.P.Freeman D.-S.Han M.D.Hartinger S.-Y.W.Hsieh Z.-j.Hu M.K.james L.juusola K.Kauristie E.A.Kronberg M.Lester j.Manuel j.Matzka I.McCrea Y.Miyoshi j.Rae L.Ren F.Sigernes E.Spanswick K.Sterne A.Steuwer T.Sun M.-T.Walach B.walsh C.Wang j.Weygand j.Wild j.Yan j.Zhang Q.-H.Zhang Planetary Sciences Group School of Physics and AstronomyUniversity of LeicesterUniversity RoadLeicesterLE17RHUK Rutherford Appleton Laboratory Space Science Technology Facilities CouncilOxfordshireUK School of Space and Environment Beihang UniversityBeijing 100191China Key Laboratory of Space Environment Monitoring and Information Processing Ministry of Industry and Information TechnologyBeijing 100017China Department of Space and Climate Physics UCLMullard Space Science LaboratoryHolmbury St.MaryDorkingSurreyRH56NTUK Birkeland Centre for Space Science Department of Physics and Technology.University of BergenBergenNorway Department of Physics and Astronomy University of Calgary2500 University DriveCalgaryAlbertaCanada T2N 1N4 British Antarctic Survey CambridgeUK Swedish Institute of Space Physics KirunaSweden West Highfield Campus University of SouthamptonUniversity RoadSO171BJUK Goddard Space Flight Center NASAGreenbeltMarylandUSA Athabasca University AthabascaCanada ESTEC European Space AgencyNetherlands University of Saskatchewan SaskatoonCanada The johns Hopkins University Applied Physics Laboratory LaurelMarylandUSA Swedish Institude of Space Physics UppsalaSE 75121Sweden Tongji University Shanghai 200092China Center for Space Plasma Physics Space Science Institute4765 Walnut Street Suite BBoulderColorado80301USA Polar Research Institute of China Shanghai 200136China Finnish Meteorological Institute(FMI) Finland Department of Earth and Environmental Sciences(Geophysics) Ludwig Maximilian University of Munich(LMU)MunichTheresienstr.41MunichD-80333Germany Canadian Space Agency MontrealCanada GFZ German Research Centre for Geosciences PotsdamGermany Nagoya University Institute for Space Earth Environment ResearchCenter for Integrated Data ScienceNagoyaAichiJP 464-8601 Northumbria University Newcastle upon TyneTyne and WearUK NE18ST National Space Science Center Chinese Academy SciencesBeijing 100190China Arctic Geophysics University Centre in Svalbard

The joint European Space Agency and Chinese Academy of Sciences Solar wind Magnetosphere Ionosphere Link Explorer(SMILE)mission will explore global dynamics of the magnetosphere under varying solar wind and interplanetary magnetic field conditions,and simultaneously monitor the auroral response of the Northern Hemisphere ionosphere.Combining these large-scale responses with medium and fine-scale measurements at a variety of cadences by additional ground-based and space-based instruments will enable a much greater scientific impact beyond the original goals of the SMILE mission.Here,we describe current community efforts to prepare for SMILE,and the benefits and context various experiments that have explicitly expressed support for SMILE can offer.A dedicated group of international scientists representing many different experiment types and geographical locations,the Ground-based and Additional Science Working Group,is facilitating these efforts.Preparations include constructing an online SMILE Data Fusion Facility,the discussion of particular or special modes for experiments such as coherent and incoherent scatter radar,and the consideration of particular observing strategies and spacecraft conjunctions.We anticipate growing interest and community engagement with the SMILE mission,and we welcome novel ideas and insights from the solar-terrestrial community.

关键词： magnetosphere ionosphere magnetosphere-ionosphere coupling ground-based experimentation SMILE conjunctions missions

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Nanotechnology for the management of COVID-19 during the pandemic and in the post-pandemic era

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National Science Review 2022年第10期9卷 230-242页

作者： Chun Xu Chang Lei Sepanta Hosseinpour Saso Ivanovski Laurence j.walsh Ali Khademhosseini School of Dentistry The University of Queensland Centre for Orofacial Regeneration Reconstruction and Rehabilitation (COR3) School of Dentistry The University of Queensland Australian Institute for Bioengineering and Nanotechnology The University of Queensland Terasaki Institute for Biomedical Innovation

Following the global COVID-19 pandemic,nanotechnology has been at the forefront of research efforts and enables the fast development of diagnostic tools,vaccines and antiviral treatment for this novel virus(SARS-CoV-2).In this review,we first summarize nanotechnology with regard to the detection of SARS-C oV-2,including nanoparticle-based techniques such as rapid antigen testing,and nanopore-based se quencing and sensing techniques.Then we investigate nanote chnology as it applies to the development of COVID-19 vaccines and anti-SARS-CoV-2 nanomaterials.We also highlight nanotechnology for the post-pandemic era,by providing tools for the battle with SARS-C oV-2 variants and for enhancing the global distribution of vaccines.Nanotechnology not only contributes to the management of the ongoing COVID-19 pandemic but also provides platforms for the prevention,rapid diagnosis,vaccines and antiviral drugs of possible future virus outbreaks.

关键词： COVID-19 SARS-CoV-2 diagnosis nanotechnology vaccines

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The Soft X-ray Imager(SXI)on the SMILE Mission

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Earth and Planetary Physics 2024年第1期8卷 5-14页

作者： S.Sembay A.L.Alme D.Agnolon T.Arnold A.Beardmore A.Belén Balado Margeli C.Bicknell C.Bouldin G.Branduardi-Raymont T.Crawford j.P.Breuer T.Buggey G.Butcher R.Canchal j.A.Carter A.Cheney Y.Collado-Vega H.Connor T.Crawford N.Eaton C.Feldman C.Forsyth T.Frantzen G.Galgóczi j.Garcia G.Y.Genov C.Gordillo H-P.Gröbelbauer M.Guedel Y.Guo M.Hailey D.Hall R.Hampson j.Hasiba O.Hetherington A.Holland S-Y.Hsieh M.W.j.Hubbard H.jeszenszky M.jones T.Kennedy K.Koch-Mehrin S.Kögl S.Krucker K.D.Kuntz C.Lakin G.Laky O.Lylund A.Martindale j.Miguel Mas Hesse R.Nakamura K.Oksavik N.Østgaard H.Ottacher R.Ottensamer C.Pagani S.Parsons P.Patel j.Pearson G.Peikert F.S.Porter T.Pouliantis B.H.Qureshi W.Raab G.Randal A.M.Read N.M.M.Roque M.E.Rostad C.Runciman S.Sachdev A.Samsonov M.Soman D.Sibeck S.Smit j.Søndergaard R.Speight S.Stavland M.Steller TianRan Sun j.Thornhill W.Thomas K.Ullaland B.walsh D.Walton C.Wang S.Yang School of Physics and Astronomy University of LeicesterLeicesterLE17RHUK Space Park Leicester University of LeicesterLeicesterLE17RHUK Mullard Space Science Laboratory University College LondonDorkingRH56NTUK Centre for Electronic Imaging Open UniversityMilton KeynesMK76 AAUK Birkeland Centre for Space Science Department of Physics and TechnologyUniv.of BergenN-5007 BergenNorway University of Vienna A-1010 ViennaAustria Space Research Institute Austrian Academy of SciencesA-8042 GrazAustria National Institute of Aerospace Technology MadridSpain ESTEC European Space Agency2201 AZ NoordwijkNetherlands State Key Laboratory of Space Weather National Space Science CentreBeijing 100190China University of Applied Sciences and Arts Northwestern Switzerland CH-5210 WindischSwitzerland Koegl Space GmbH CH-8157 DielsdorfSwitzerland Space Acoustics GmbH CH-8157 DielsdorfSwitzerland Zurich University of Applied Sciences 8400 WinterhurSwitzerland Genov Solutions N-5172 LoddefjordNorway STM Engineering N-5165 LaksevagNorway john Hopkins University Applied Physics Laboratory MD 20723USA NASA/Goddard Space Flight Centre MD 20771USA Center for Space Physics Boston UniversityBostonMA 02215USA Department of Theoretical Physics and Astrophysics Masaryk University60177 BrnoCzech Republic Institute of Physics E¨otvo¨s Lor´and University1053 BudapestHungary Aerospace Information Research Institute Chinese Academy of SciencesBeijing 100045China Centro de Astrobiologia(CAB) CSIC-INTAMadridSpain

The Soft X-ray Imager(SXI)is part of the scientific payload of the Solar wind Magnetosphere Ionosphere Link Explorer(SMILE)mission.SMILE is a joint science mission between the European Space Agency(ESA)and the Chinese Academy of Sciences(CAS)and is due for launch in 2025.SXI is a compact X-ray telescope with a wide field-of-view(FOV)capable of encompassing large portions of Earth’s magnetosphere from the vantage point of the SMILE orbit.SXI is sensitive to the soft X-rays produced by the Solar Wind Charge eXchange(SWCX)process produced when heavy ions of solar wind origin interact with neutral particles in Earth’s exosphere.SWCX provides a mechanism for boundary detection within the magnetosphere,such as the position of Earth’s magnetopause,because the solar wind heavy ions have a very low density in regions of closed magnetic field lines.The sensitivity of the SXI is such that it can potentially track movements of the magnetopause on timescales of a few minutes and the orbit of SMILE will enable such movements to be tracked for segments lasting many hours.SXI is led by the University of Leicester in the United Kingdom(UK)with collaborating organisations on hardware,software and science support within the UK,Europe,China and the United States.

关键词： Soft X-ray Imaging micropore optics large area CCD

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Query Optimization Framework for Graph Database in Cloud Dew Environment

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Computers, Materials & Continua 2023年第1期74卷 2317-2330页

作者： Tahir Alyas Ali Alzahrani Yazed Alsaawy Khalid alissa Qaiser Abbas Nadia Tabassum Department of Computer Science Lahore Garrison UniversityLahorePakistan Faculty of Computer Science and Information Systems Islamic University Madinah Madinah42351Saudi Arabia Networks and Communications Department College of Computer Science and Information TechnologyImam Abdulrahman Bin Faisal UniversityP.O.Box 1982Dammam31441Saudi Arabia Department of Computer Science Virtual University of PakistanLahorePakistan

The query optimizer uses cost-based optimization to create an execution plan with the least cost,which also consumes the least amount of resources.The challenge of query optimization for relational database systems is a combinatorial optimization problem,which renders exhaustive search impossible as query sizes rise.Increases in CPU performance have surpassed main memory,and disk access speeds in recent decades,allowing data compression to be used—strategies for improving database performance systems.For performance enhancement,compression and query optimization are the two most factors.Compression reduces the volume of data,whereas query optimization minimizes execution time.Compressing the database reduces memory requirement,data takes less time to load into memory,fewer buffer missing occur,and the size of intermediate results is more diminutive.This paper performed query optimization on the graph database in a cloud dew environment by considering,which requires less time to execute a query.The factors compression and query optimization improve the performance of the databases.This research compares the performance of MySQL and Neo4j databases in terms of memory usage and execution time running on cloud dew servers.

关键词： Query optimization compression cloud dew decompression graph database

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Perfusability and immunogenicity of implantable pre-vascularized tissues recapitulating features of native capillary network

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Bioactive Materials 2023年第12期30卷 184-199页

作者： Dhavan Sharma Archita Sharma Linghao Hu Te-An Chen Sarah Voon Kayla j.Bayless jeremy Goldman Alex j.walsh Feng Zhao Department of Biomedical Engineering Texas A&M UniversityCollege StationTXUnited States School of Medicine Texas A&M UniversityCollege StationTXUnited States Department of Biomedical Engineering Michigan Technological UniversityHoughtonMIUnited States

Vascularization is a key pre-requisite to engineered anatomical scale three dimensional(3-D)constructs to ensure their nutrient and oxygen supply upon implantation.Presently,engineered pre-vascularized 3-D tissues are limited to only micro-scale hydrogels,which meet neither the anatomical scale needs nor the complexity of natural extracellular matrix(ECM)environments.Anatomical scale perfusable constructs are critically needed for translational applications.To overcome this challenge,we previously developed pre-vascularized ECM sheets with long and oriented dense microvascular networks.The present study further evaluated the patency,perfusability and innate immune response toward these pre-vascularized constructs.Macrophage-co-cultured prevascularized constructs were evaluated in vitro to confirm micro-vessel patency and perturbations in macrophage metabolism.Subcutaneously implanted pre-vascularized constructs remained viable and formed a functional anastomosis with host vasculature within 3 days of implantation.This completely biological pre-vascularized construct holds great potential as a building block to engineer perfusable anatomical scale tissues.

关键词： Pre-vascularization Micro-vasculature Mesenchymal stem cells Extracellular matrix Fluorescence lifetime imaging

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Isolated left ventricular apical hypoplasia:Systematic review and analysis of the 37 cases reported so far

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世界临床病例杂志 2023年第23期11卷 5494-5503页

作者： Pier Paolo Bassareo Sophie Duignan Adam james Esme Dunne Colin j McMahon Kevin P walsh University College of Dublin School of Medicine and Department of Cardiology at Mater Misericordiae University HospitalDublin D07 R2WYIreland Department of Cardiology Children's Health CrumlinDublin D12 N512Ireland University College of Dublin School of Medicine and Department of CardiologyChildren's Health IrelandDublin D12 N512Ireland

BACKGROUND Isolated left ventricular apical hypoplasia(ILVAH),also known as truncated left ventricle(LV),is a very unusual cardiomyopathy.It is characterised by a truncated,spherical,and non-apex forming LV.The true apex is occupied by the right ventricle.Due to the rarity of the disease,just a few case reports and limited case series have been published in the field.AIM To analysing the so far 37 reported ILVAH cases worldwide.METHODS The electronic databases PubMed and Scopus were investigated from their establishment up to December 13,2022.RESULTS The majority of cases reported occurred in males(52.7%).Mean age at diagnosis was 26.1±19.6 years.More than a third of the patients were asymptomatic(35.1%).The most usual clinical presentation was breathlessness(40.5%).The most commonly detected electrocardiogram changes were T wave abnormalities(29.7%)and right axis deviation with poor R wave progression(24.3%).Atrial fibrillation/flutter was detected in 24.3%.Echocardiography was performed in 97.3%of cases and cardiac MRI in 91.9%of cases.Ejection fraction was reduced in more than a half of patients(56.7%).An associated congenital heart disease was found in 16.2%.Heart failure therapy was administered in 35.1%of patients.The outcome was favorable in the vast majority of patients,with just one death.CONCLUSION ILVAH is a multifaceted entity with a so far unpredictable course,ranging from benign until the elderly to sudden death during adolescence.

关键词： Isolated left ventricular apical hypoplasia Truncated left ventricle Electrocardiography Echocardiography Cardiac magnetic resonance imaging Heart failure

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Advances in diagnosis,treatment and palliation of cholangiocarcinoma:1990-2009

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World journal of Gastroenterology 2009年第34期15卷 4240-4262页

作者： Murad Aljiffry Mark j walsh Michele Molinari Department of Surgery Queen Elizabeth II Health Science CentreDalhousie University

Several advances in diagnosis,treatment and palliation of cholangiocarcinoma(CC)have occurred in the last decades.A multidisciplinary approach to this disease is therefore recommended.CC is a relatively rare tumor and the main risk factors are:chronic inflammation, genetic predisposition and congenital abnormalities of the biliary tree.While the incidence of intra-hepatic CC is increasing,the incidence of extra-hepatic CC is trending down.The only curative treatment for CC is surgical resection with negative margins.Liver transplantation has been proposed only for selected patients with hilar CC that cannot be resected who have no metastatic disease after a period of neoadjuvant chemo-radiation therapy.Magnetic resonance imaging/magnetic resonance cholangiopancreatography,positron emission tomography scan,endoscopic ultrasound and computed tomography scans are the most frequently used modalities for diagnosis and tumor staging.Adjuvant therapy,palliative chemotherapy and radiotherapy have been relatively ineffective for inoperable CC.For most of these patients biliary stenting provides effective palliation.Photodynamic therapy is an emerging palliative treatment that seems to provide pain relief,improve biliary patency and increase survival. The clinical utility of other emerging therapies such as transarterial chemoembolization,hepatic arterial chemoinfusion and high intensity intraductal ultrasound needs further study.

关键词：放射治疗诊断胆管磁共振成像癌手术切除先天性畸形正电子发射

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A retrospective analysis of pain and opioid usage in head and neck free flap reconstruction

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World journal of Otorhinolaryngology-Head and Neck Surgery 2023年第2期9卷 153-159页

作者： Parhom Towfighi Alison Hill jason R.Crossley Amanda walsh james A.Leonard jonathan P.Giurintano Matthew L.Pierce Michael j.Reilly Georgetown University School of Medicine WashingtonDistrict of ColumbiaUSA Department of Otolaryngology-Head and Neck Surgery Medstar GeorgetownWashingtonDistrict of ColumbiaUSA

Objectives:Investigate opioid usage and postoperative pain in patients undergoing head and neck free flap surgery.Methods:A retrospective review of 100 consecutive patients undergoing head and neck free flap reconstruction at two academic centers was performed.Data captured included demographics,postoperative inpatient pain,pain at postoperative visits,morphine equivalent doses(MEDs)administration,medication history,and comorbidities.Data were analyzed using regression models,χ2 tests,and student’’st-tests.Results:Seventy-three percent of patients were discharged with opioid medication,with over half(53.4%)continuing to take opioids at their second postoperative visit,and over one-third(34.2%)continuing to take them around 4-month postoperatively.One out of every five(20.3%)opioid-na?ve patients chronically took opioids postoperatively.There was a poor association between inpatient postoperative pain scores and daily MEDs administered(R2=0.13,0.17,and 0.22 in postoperative Days 3,5,and 7,respectively).Neither preoperative radiotherapy nor postoperative complications were associated with an increase in opioid usage.Conclusions:For patients undergoing head and neck free flap operations,opioid medications are commonly used for postoperative analgesia.This practice may increase the chance an opioid-na?ve patient uses opioids chronically.We found a poor association between MEDs administered and patient-reported pain scores,which suggests that standardized protocols aimed at optimizing analgesia while reducing opioid administration may be warranted.Level of Evidence:3(Retrospective cohort study).

关键词： free flap reconstruction head and neck multimodal analgesia opioids postoperative pain

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