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Surgical management of the diabetic foot:The current evidence

World Journal of Orthopedics 2024年第5期15卷 404-417页

作者： Richard Henry Randall roberts Gareth Rhys Davies-Jones james Brock Vaishnav Satheesh Greg AJ robertson Department of Trauma and Orthopaedics Wrexham Maelor HospitalWrexham LL137TDUnited Kingdom Department of Trauma and Orthopaedics The Robert Jones and Agnes Hunt Orthopaedic HospitalOswestry SY107AGUnited Kingdom

The prevalence of diabetes mellitus and its associated complications,particularly diabetic foot pathologies,poses significant healthcare challenges and economic burdens *** review synthesises current evidence on the surgical management of the diabetic foot,focusing on the interplay between neuropathy,ischemia,and infection that commonly culminates in ulcers,infections,and,in severe cases,*** escalating incidence of diabetes mellitus underscores the urgency for effective management strategies,as diabetic foot complications are a leading cause of hospital admissions among diabetic patients,significantly impacting morbidity and mortality *** review explores the pathophysiological mechanisms underlying diabetic foot complications and further examines diabetic foot ulcers,infections,and skeletal pathologies such as charcot arthropathy,emphasising the critical role of early diagnosis,comprehensive management strategies,and interdisciplinary care in mitigating adverse *** addressing surgical interventions,this review evaluates conservative surgeries,amputations,and reconstructive procedures,highlighting the importance of tailored approaches based on individual patient profiles and the specific characteristics of foot *** integration of advanced diagnostic tools,novel surgical techniques,and postoperative care,including offloading and infection control,are discussed in the context of optimising healing and preserving limb function.

关键词： Diabetes Diabetic foot charcot Osteomyelitis Amputation Diabetic foot attack conservative surgery

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The risk of prostate cancer on incidental finding of an avid prostate uptake on 2-deoxy-2-[^(18)F]fluoro-D-glucose positron emission tomography/computed tomography for non-prostate cancer-related pathology:A single centre retrospective study

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Asian Journal of Urology 2024年第1期11卷 33-41页

作者： Anthony Franklin Troy Gianduzzo Boon Kua David Wong Louise McEwan james Walters Rachel Esler Matthew J.roberts Geoff coughlina John W.Yaxley Department of Urology The Wesley HospitalBrisbaneQLDAustralia Wesley Medical Research BrisbaneQLDAustralia School of Medicine The University of QueenslandBrisbaneQLDAustralia Department of Radiology Wesley Medical ImagingBrisbaneQLDAustralia Department of Urology Royal Brisbane and Women's HospitalBrisbaneQLDAustralia

Objective:To review the risk of prostate cancer(Pca)in men with incidentally reported increased intraprostatic uptake at 2-deoxy-2-[18F]fluoro-d-glucose positron emission tomography/computed tomography(18F-FDG PET/cT)ordered at Department of Urology,The Wesley Hospital,Brisbane,QLD,Australia for non-Pca related ***:Retrospective analysis of consecutive men between August 2014 and August 2019 presenting to a single institution for 18F-FDG PET/cT for non-prostate related conditions was *** were classified as benign,indeterminate,or malignant depending of the results of prostate-specific antigen(PSA),PSA velocity,biopsy histopathology,and three-Tesla(3 T)multiparametric MRI(mpMRI)Prostate Imaging Reporting and Data System score,or gallium-68-prostate-specific membrane antigen(68Ga-PSMA)PET/cT ***:Three percent(273/9122)of men demonstrated 18F-FDG avidity within the ***-five percent(231/273)were further investigated,including with PSA tests(227/231,98.3%),3 T mpMRI(68/231,29.4%),68Ga-PSMA PET/cT(33/231,14.3%),and prostate biopsy(57/231,24.7%).Results were considered benign in 130/231(56.3%),indeterminate in 31/231(13.4%),and malignant in 70/231(30.3%).Pca was identified in 51/57(89.5%)of the men who proceeded to biopsy,including 26/27(96.3%)men with Prostate Imaging Reporting and Data System scores 4-5 mpMRI and six men with a positive 68Ga-PSMA PET/*** most common Gleason score on biopsy was greater than or equal to 4+5(14/51,27.5%).68Ga-PSMA PET/cT was concordant with the 18F-FDG findings in 26/33(78.8%).All 13 men with a positive concordant 18F-FDG,3 T mpMRI,and 68Ga-PSMA PET/cT had Pca on *** was no statistically significant difference in the 18F-FDG maximum standardized uptake value between the benign or malignant groups(5.7 vs.6.1;p=0.580).conclusion:In this study,after an incidental finding of an avid intraprostatic lesion on 18F-FDG PET/cT,70 of the 231 cases(30.3%;0.8%of the entire cohort)had results c

关键词： Prostatecancer Positionemission tomography Multiparametric magneticresonance imaging Prostatebiopsy

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Barosinusitis due to routine weather changes:A cross-sectional analysis of public websites

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World Journal of Otorhinolaryngology-Head and Neck Surgery 2024年第1期10卷 18-23页

作者： james c.campbell Julia E.canick Philip G.chen Ralph Abi Hachem David W.Jang Department of Head and Neck Surgery&communication Sciences Duke University School of MedicineDurhamNorth CarolinaUSA Duke University School of Medicine DurhamNorth CarolinaUSA Department of Otolaryngology-Head and Neck Surgery University of Texas Health Science Center San AntonioSan AntonioTexasUSA

Background:Sinusitis is a common diagnosis that can be erroneously associated with routine weather‐related barometric pressure *** actuality,these pressure changes likely exacerbate migraine headaches,which can cause facial pain and pressure rather than true sinus ***:The present study sought to characterize the representation of both sinusitis and migraine in association with barometric pressure changes across websites on the ***:An Internet search for relevant terms was conducted,and content of the resulting pages was assessed for associations between weather‐related pressure changes and either sinusitis or *** in reported results across different subtypes of Internet sources were *** primary outcomes measured were(1)whether a given media source associated barometric weather changes with sinusitis,(2)whether that source associated barometric weather changes with migraine,and(3)treatment options offered by that ***:Of the 116 included webpages,36(31.03%)associated sinusitis and routine barometric pressure *** these,10(27.77%)were otolaryngology practice ***‐seven webpages(57.76%)associated migraine and routine barometric pressure *** these,nonotolaryngology webpages were more likely to report this ***:Otolaryngology practice sites were observed to be the most frequent professional medical resource reporting the unsubstantiated claim that routine barometric pressure changes are associated with *** sources were more likely to link weather‐related pressure changes to *** results suggest that opportunities exist for otolaryngology practice sites to educate patients about nonrhinogenic headache etiologies.

关键词： acute rhinosinusitis balloon sinus dilation headache migraine sinusitis

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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 *** 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 *** study sought to identify program factors associated with greater female representation among resident ***:Departmental websites of all 124 otolaryngology residency programs in the United States and Puerto Rico were examined for a list of *** programs with a resident roster available,the genders of residents,faculty,program directors,and chairpersons were *** and city population for each program was also recorded,as was female resident *** were compared using Pearson chi‐squared univariate ***:1,632 residents and 2,605 faculty were included in the analysis of 109 *** 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 *** with a larger residency cohort approached significance regarding above‐median female resident *** female faculty representation,program director gender,chairperson gender,and US region were not associated with variation in female resident ***:Greater female otolaryngology residency representation was associated with programs having an urban location and greater numbers of female and total *** was also likely that a larger resident cohort size may affect female resident *** 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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Synthesis of carbon nitride in potassium hydroxide molten salt for efficient uranium extraction from radioactive wastewater

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Frontiers of Environmental Science & Engineering 2024年第8期18卷 89-99页

作者： Shuang Liu Junhan Luo Daniel-james Maguire Liyuan Zheng Zhe Wang Yuexiang Lu Institute of Nuclear and New Energy Technology Tsinghua UniversityBeijing 100084China Nuclear Research Institute for Future Technology and Policy Seoul National UniversitySeoul 08826Republic of Korea Department of Earth Sciences University of CambridgeCambridge CB23EQUK The MOE Key Laboratory of Resources and Environmental System Optimization College of Environmental Science and EngineeringNorth China Electric Power UniversityBeijing 102206China

Photocatalysis-assisted removal of uranium has been proven as an effective method for the elimination of radioactive pollution from *** this work,carbon nitride materials were synthesized in potassium hydroxide(KOH)molten salt and applied to photocatalytic uranyl *** materials were confirmed to possess the triazine-s-heptazine structure by NMR,XPS and UV-Vis characterization,and exhibited a wider visible light absorption than graphitic carbon nitride(g-c_(3)N_(4)).The photocatalytic activity of the carbon nitride materials was tailored by varying the precursor mass *** carbon nitride obtained at 80%melamine as precursor(K-cN-80)exhibited the highest photocatalytic extraction ability and its photocatalytic reaction rate is 6.6 times faster than that of g-c_(3)N_(4).The influence of sacrificial agents was studied and the results showed that triethanolamine inhibited U(Ⅵ)photoreduction,but methanol can accelerate U(Ⅵ)photoreduction by consuming photogenerated *** unary KOH molten salt synthesis method has exceptional potential applications in the preparation of carbon nitrides,and the obtained products showed potential in extracting U(Ⅵ)from aqueous solutions for use in nuclear fuel industry and for U(Ⅵ)environmental pollution cleanup.

关键词： Uranium carbon nitride Molten salt Photocatalysis Radioactive wastewater

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Fully integrated and broadband Si-rich silicon nitride wavelength converter based on Bragg scattering intermodal four-wave mixing

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Photonics Research 2024年第3期12卷 I0001-I0010页

作者： VALERIO VITALI THALÍA DOMÍNGUEZ BUcIO HAO LIU JOSÉMANUEL LUQUE GONZÁLEZ FRANcIScO JURADO-ROMERO ALEJANDRO ORTEGA-MOÑUX GLENN cHURcHILL james c.GATES james HILLIER NIKOLAOS KALFAGIANNIS DANIELE MELATI JENS H.ScHMID ILARIA cRISTIANI PAVEL cHEBEN J.GONZALO WANGÜEMERT-PÉREZ ÑIGO MOLINA-FERNÁNDEZ FREDERIc GARDES cOSIMO LAcAVA PERIKLIS PETROPOULOS Optoelectronics Research centre University of SouthamptonSouthampton SO171BJUK Electrical Computer and Biomedical Engineering DepartmentUniversity of PaviaPavia 27100Italy Telecommunication Research Institute(TELMA) Universidad de MálagaCEI Andalucı´a TECHE.T.S.I.Telecomunicación29010 MálagaSpain School of Science and Technology Nottingham Trent UniversityNottingham NG118NSUK Department of Electrical Engineering Eindhoven University of TechnologyEindhoven 5600 MBThe Netherlands Department of Materials Science and Engineering University of IoanninaIoannina 45110Greece centre de Nanosciences et de Nanotechnologies UniversitéParis-SaclayCNRS91120 PalaiseauFrance Advanced Electronics and Photonics Research center National Research Council CanadaOttawaOntario K1A 0R6Canada

Intermodal four-wave mixing(FWM)processes have recently attracted significant interest for all-optical signal processing applications thanks to the possibility to control the propagation properties of waves exciting distinct spatial modes of the same *** allows,in principle,to place signals in different spectral regions and satisfy the phase matching condition over considerably larger bandwidths compared to intramodal ***,the demonstrations reported so far have shown a limited bandwidth and suffered from the lack of on-chip components designed for broadband manipulation of different *** demonstrate here a silicon-rich silicon nitride wavelength converter based on Bragg scattering intermodal FWM,which integrates mode conversion,multiplexing and de-multiplexing functionalities *** system enables wavelength conversion between pump waves and a signal located in different telecommunication bands(separated by 60 nm)with a 3 dB bandwidth exceeding 70 nm,which represents,to our knowledge,the widest bandwidth ever achieved in an intermodal FWM-based system.

关键词： scattering pump modal

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Handheld bedside ultrasound in the diagnosis of myocarditis

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World Journal of Emergency Medicine 2024年第1期15卷 73-74页

作者： Frank Wheeler Robin Lahr james Espinosa Alan Lucerna Henry Schuitema Department of Emergency Medicine Rowan University School of Osteopathic MedicineStratford 08084USA Emergency Medicine Residency Program Jeff erson HealthStratford 08084USA Department of Emergency Medicine and Associate chief Medical Offi cer Stratford 08084USA

Myocarditis is a disease process that every emergency physician fears *** severity can be mild to life-threatening,and many cases are likely undetected because they are subclinical with nonspecifi c signs.[1]Subtle cardiac signs may be overshadowed by systemic symptoms of the underlying infectious ***,myalgias,lethargy,symptoms commonly associated with viral syndrome,can mask the life-threatening myocarditis that may be *** fact,in the United States Myocarditis Treatment Trial,almost 90%of patients reported symptoms consistent with a viral prodrome.[2]Ammirati et al[3]reported that 27%of patients with myocarditis had either reduced left ventricular ejection fraction,ventricular arrhythmias,or low cardiac ***,we present a case report,in which handheld point-of-care ultrasound was utilized at the bedside to aid in the critical diagnosis of *** the additional information provided through this imaging modality,this patient was able to be transferred to the appropriate tertiary care facility in an expeditious manner and receive possible defi nitive treatment.

关键词： diagnosis myocarditis Fever

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Outcomes following minimally invasive dorsal cheilectomy for hallux rigidus:A systematic review

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World Journal of Orthopedics 2024年第6期15卷 585-592页

作者： Katherine Esser james J Butler Mackenzie Roof Nathaniel P Mercer Michael c Harrington Alan P Samsonov Andrew J Rosenbaum John G Kennedy Department of Orthopaedic Surgery University of Toledo Medical center University of Toledo College of Medicine and Life SciencesToledoOH 43614United States Department of Orthopedic Surgery NYU Langone HealthNew YorkNY 10002United States Department of Orthopedic Surgery Albany Medical CenterAlbanyNY 12208United States

BAcKGROUND cheilectomy of the 1^(st)metatarsophalangeal joint(MTPJ)is one of the most common procedures for the management of hallux ***,there is no consensus regarding outcomes following minimally invasive dorsal cheilectomy(MIDc)for the management of hallux *** To evaluate outcomes following MIDc for the management of hallux *** During November 2023,the PubMed,EMBASE and cochrane Library databases were systematically reviewed to identify clinical studies examining outcomes following MIDc for the management of hallux *** Six studies were *** total,348 patients(370 feet)underwent MIDc for hallux rigidus at a weighted mean follow-up of 37.9±16.5 *** distribution of patients by coughlin and Shurna's classification was recorded in 4 studies as follows:Ⅰ(58 patients,27.1%),Ⅱ(112 patients,52.3%),Ⅲ(44 patients,20.6%).Three studies performed an additional 1^(st)MTPJ arthroscopy and debridement following *** intra-articular bone debris was observed in 100%of patients in 1 *** weighted mean American orthopedic foot and ankle society score improved from a preoperative score of 68.9±3.2 to a postoperative score of *** complication rate was 8.4%,the most common of which was persistent joint pain and ***-two failures(8.7%)were ***-three secondary procedures(8.9%)were performed at a weighted mean time of 8.6±3.2 months following the index *** This systematic review demonstrated improvements in subjective clinical outcomes together with a moderate complication rate following MIDc for the management of hallux rigidus at short-term follow-up.A moderate reoperation rate at short-term follow-up was *** marked heterogeneity between included studies and paucity of high quality comparative studies limits the generation of any robust conclusions.

关键词： Minimally invasive dorsal cheilectomy Hallux rigidus The first metatarsophalangeal joint cheilectomy Minimally invasive surgery

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975-1980年勘探地球物理学的发展

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石油地球物理勘探 1981年第6期 75-90页

作者： Robert B.Rice Samuel J.Allen O.james Gant Jr.Robert N.Hodgson Don E.Larson J.Pat Lindsey james R.Patch Thomas R.LaFehr G.R.Pickett Wm.A.Schneider J.Edward White james c.roberts 范维尚

近六年未,勘探地球物理学一如既往地在迅速发展。我们进入了一个崭新的时代,勘探方法日趋完善,各种技术的精度有了很大的提高。在重磁勘探方面,出现了新的惯性导航系统。在地表条件极端困难的地区,利用该系统可以指导直升飞机进行作业,... 详细信息

近六年未,勘探地球物理学一如既往地在迅速发展。我们进入了一个崭新的时代,勘探方法日趋完善,各种技术的精度有了很大的提高。在重磁勘探方面,出现了新的惯性导航系统。在地表条件极端困难的地区,利用该系统可以指导直升飞机进行作业,它可以采集到极精确的地面重力数据。为了利用直升飞机得到高质量的航空重力勘探数据,技术界已经付出了相当大的努力。在处理和解释电位场资料方面,也有了重大进展。从地震资料中最大限度地提取精确的地下信息早已成为人们向往的目标。为了达到这个目标,人们采用了高采样率的准确的二维、三维陆上勘探技术。结果大大提高了陆上地震勘探的精度。为了更精确地接近一个点震源、点检波器系统,单位记录的检波器道数急剧地增加了(达1024道)。现在功率极大的纵波可控震源,其扫描频率范围在5赫到200赫以上。在海洋勘探中,海洋电缆和船上的仪器也有新的突破,记录和处理道数达到96道至480道。在海洋勘探检波器组合和震源组合方面也有了改进。地震资料处理中最大的发展是影像法和反演法,这些不仅是波动方程理论的基础,而且是一种全新的处理方法。波动方程法已被公认为是一种用于迭前偏移、迭后偏移、压制多次波、基准面和位移静校正、速度分析和地震反演的有效工具。反演技术提供了详细的声阻抗或速度近似值,从而得到了广泛的应用。子波处理提高了我们对地层分辨力。一维、二维和三维模型技术更加成熟了,在资料采集和处理的过程中,起了出色的指导作用。在资料的直接解释中,也有很好的效果,并且提出了很多基本释解概念。有些模型系统现在可以处理垂向和横向的速度变化、非弹性衰减、弯曲反射面、穿透边界、时变波形、虚反射、多次波以及组合效应等问题。在资料处理、模拟和解释中,不能低估各种地震资料显示方式及彩色显示的作用,这些技术近期都有所改进。地层解释技术包括下列三个方面: 1.宏观地层,其中分析了区域的和盆地的沉积形状,从而在大范围内划定了地质沉积环境; 2.对地层作定性分析,其中定性分析了特定的岩性单元以及它们的特性,判定出岩性、孔隙度、构造方位、范围和形态; 3.对地层作定量分析,其中在特定的地层上描绘出各种异常,从而确定出完整的孔隙度,气—液界面和可能存在的孔隙填充物。实际上,就是把从直接找气技术演化而来的成果应用到各种不同的地质区域。为了获得更多的有关地层、孔隙度和油气饱和度等方面的信息,人们在直接产生并记录横波方面作了巨大的努力。在进行横波勘探中使用的震源有可控震源、水平冲击震源和炸药震源。自从使用计算机以后,测井技术有了新的发展。现在已经有了井场磁带记录设备和小型计算机,解释算法比较简单。在资料处理中心,已有比较成熟的计算机处理解释方法。1978年,研制成功了一种名叫“小井径”(slimhole)的井口重力仪,且已投入使用。它的精度为20微伽。石油工业对各种电法技术的兴趣在增加,尤其是大地电磁法(MT)和有源电磁(EM)测深技术。改进以后的大地电磁法(MT)仍主要用于普查。由于某些公司使用电磁“反射”测深法在直接找油找气方面获了成功,因而这种方法受到人们的普遍关注。用直接找油找气法有可能找到浅层的有工业价值的储集层,但是对于任何深层目标,其成功的关键在于能否测得油气向上运移后产生的二次效应。

关键词：勘探地球物理学家大地电磁法电法勘探点震源检波器组合组合检波子波处理地震资料处理横波勘探地震勘探勘探技术可控震源波动方程双曲型方程地震波衰减地震衰减共深度点共反射点电磁测深法横波速度剪切波波速

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Hierarchical crystalline-amorphous nanocomposites with high strength and large deformability enabled by elemental diffusion

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Journal of Materials Science & Technology 2024年第4期171卷 150-161页

作者： Liqiang Wang Heyi Wang Xin Zhou Huangliu Fu james Utama Surjadi Shuo Qu Xu Song Rong Fan Yang Lu Department of Mechanical Engineering City University of Hong KongHong KongChina Nano-Manufacturing Laboratory(NML) Shenzhen Research Institute of City University of Hong KongShenzhen 518057China chengdu Research Institute City University of Hong KongChengdu 610200China Shenyang National Laboratory for Materials Science Institute of Metal ResearchChinese Academy of SciencesShenyang 110016China Department of Mechanical and Automation Engineering The Chinese University of Hong KongHong KongChina Department of Mechanical Engineering The University of Hong KongHong KongChina

Amorphous/nanocrystalline dual-phase structures have recently emerged as an effective way for over-coming the strength-ductility trade-offand breaking the limitation of the reverse Hall-Petch ***,we proposed a new strategy to develop a hierarchical and interconnected amorphous-crystalline nanocomposite arising from the nanoscale elemental interdiffusion and oxygen adsorption behavior dur-ing thermal treatment *** nanocomposite consisted of a three-dimensional(3D)hierarchical network structure where the crystalline phase(cr-co-Ni-Al)was embedded into the Al-O-based amor-phous phase network with critical feature sizes encompassing three orders of magnitude(from microm-eter to nanometer scale).It can achieve ultrahigh compression yield strength of-3.6 GPa with large homogeneous deformation of over 50%*** massive interstitial atoms induced lattice distortion and hierarchical amorphous phase boundary contributed to the strength *** situ Uniaxial compression inside a transmission electron microscope(TEM)revealed that the exceptional deformability of the nanocomposites resulted from the homogenous plastic flow of nano-sized amorphous phase and the plastic co-deformation behavior restricted by the nano-architected dual-phase *** proposed dual-phase synthesis approach can outperform conventional nanolaminates design strategies in terms of the mechanical properties achievable while providing a pathway to easily tune the microstructure of these nanolaminates.

关键词： Nanolaminates Dual-phase nanocomposites In situ transmission electron microscopy Multi-component alloy

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