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Assessment of the effectiveness of weight-adjusted antibiotic administration,for reduced duration,in surgical prophylaxis of primary hip and knee arthroplasty

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World Journal of Orthopedics 2024年第2期15卷 170-179页

作者： Tosan Okoro Michael Wan Takura Darlington Mukabeta Ella Malev Marketa Gross claudia Williams Muhammad Manjra Jan Herman Kuiper John Murnaghan Department of Arthroplasty Robert Jones and Agnes Hunt Orthopaedic Hospital NHS Foundation TrustOswestry SY107AGUnited Kingdom School of Medicine Keele UniversityStaffordshire ST55BGUnited Kingdom St Joseph’s Health Centre Unity Health TorontoToronto M6R 1B5Canada Department of Arthroplasty The Royal London HospitalBarts Health NHS TrustLondon E11BBUnited Kingdom Department of Arthroplasty Sunnybrook Holland Orthopaedic and Arthritis CentreToronto M4Y 1H1Canada Institute for Science and Technology in Medicine Keele UniversityStaffordshire ST51BGUnited Kingdom

BACKGROUND Prophylactic antibiotics have significantly led to a reduction in the risk of postoperative surgical site infections(SSI)in orthopaedic *** aim of using antibiotics for this purpose is to achieve serum and tissue drug levels that exceed,for the duration of the operation,the minimum inhibitory concentration of the likely organisms that are *** antibiotics reduce the rate of SSIs in lower limb arthroplasty from between 4%and 8%to between 1%and 3%.Controversy,however,still surrounds the optimal frequency and dosing of antibiotic *** To evaluate the impact of introduction of a weight-adjusted antibiotic prophylaxis regime,combined with a reduction in the duration of administration of post-operative antibiotics on SSI incidence during the 2 years following primary elective total hip and knee arthroplasty METHODS Following ethical approval,patients undergoing primary total hip arthroplasty(THA)/total knee arthroplasty(TKA)with the old regime(OR)of a preoperative dose[cefazolin 2 g intravenously(IV)],and two subsequent doses(2 h and 8 h),were compared to those after a change to a new regime(NR)of a weight-adjusted preoperative dose(cefazolin 2 g IV for patients120 kg)and a post-operative dose at 2 *** primary outcome in both groups was SSI rates during the 2 years *** A total of n=1273 operations(THA n=534,TKA n=739)were performed in n=1264 *** was no statistically significant difference in the rate of deep(OR 0.74%(5/675)vs NR 0.50%(3/598);fishers exact test P=0.72),nor superficial SSIs(OR 2.07%(14/675)vs NR 1.50%(9/598);chi-squared test P=0.44)at 2 years *** propensity score weighting and an interrupted time series analysis,there was also no difference in SSI rates between both groups[RR 0.88(95%CI 0.61 to 1.30)P=0.46].CONCLUSION A weight-adjusted regime,with a reduction in number of post-operative doses had no adverse impact on S

关键词： Antibiotics Weight-adjusted Hip and knee arthroplasty Surgical site infection

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Artemisia vulgaris Induces Tumor-Selective Ferroptosis and Necroptosis via Lysosomal Ca^(2+) Signaling

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Chinese Journal of Integrative Medicine 2024年第6期30卷 525-533页

作者： Lucas dos Santos Zamarioli Michele Rosana Maia Santos Adolfo Garcia Erustes Vanessa Marques Meccatti Thais Cristine Pereira Soraya S Smaili Maria Cristina Marcucci Carlos Rocha Oliveira Gustavo JS Pereira claudia Bincoletto Department of Pharmacology Paulista School of MedicineFederal University of São PauloSão PauloSP04044-020Brazil Research Group on Phytocomplexes and Cell Signaling School of Health SciencesAnhembi Morumbi UniversitySão PauloSP03164-000Brazil Department of Biosciences and Oral Diagnosis Institute of Science and TechnologySão Paulo State University(ICT-UNESP)São PauloSP12231-280Brazil

Objective To evaluate the chemical composition and effects of Artemisia vulgaris(AV)hydroalcoholic extract(HEAV)on breast cancer cells(MCF-7 and SKBR-3),chronic myeloid leukemia(K562)and NIH/3T3 *** Phytochemical analysis of HEAV was done by high-performance liquid chromatography-mass(HPLC)*** and cell death studies were performed using trypan blue and Annexin/FITC-7AAD,***-1(Fer-1)and necrostatin-1(Nec-1)were used to assess the mode of HEAV-induced cell death and acetoxymethylester(BAPTA-AM)was used to verify the involvement of cytosolic calcium in this *** calcium measurements were made using *** HEAV decreased the viability of MCF-7,SKBR-3 and K562 cells(P<0.05).The viability of HEAV-treated K562 cells was reduced compared to HEAV-exposed fibroblasts(P<0.05).Treatment of K562 cells with HEAV induced cell death primarily by late apoptosis and necrosis in assays using annexin V-FITC/7-AAD(P<0.05).The use of Nec-1 and Fer-1 increased the viability of K562 cells treated with HEAV relative to cells exposed to HEAV alone(P<0.01).HEAV-induced Ca^(2+)release mainly from lysosomes in K562 cells(P<0.01).Furthermore,BAPTA-AM,an intracellular Ca^(2+)chelator,decreased the number of non-viable cells treated with HEAV(P<0.05).Conclusions HEAV is cytotoxic and activates several modalities of cell death,which are partially dependent on lysosomal release of Ca^(2+).These effects may be related to artemisinin and caffeoylquinic acids,the main compounds identified in HEAV.

关键词： Artemisia vulgaris necroptosis ferroptosis late apoptosis Ca^(2+)signaling

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Frequency of and reasons behind non-listing in adult patients referred for liver transplantation: Results from a retrospective study

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World Journal of Transplantation 2024年第2期14卷 99-106页

作者： Marco Biolato Luca Miele Giuseppe Marrone claudia Tarli Antonio Liguori Rosaria Calia Giovanni Addolorato Salvatore Agnes Antonio Gasbarrini Maurizio Pompili Antonio Grieco Department of Medical and Surgical Sciences CEMADFondazione Policlinico Universitario Agostino Gemelli IRCCSRome 00168Italy Department of Translational Medicine and Surgery Catholic University of Sacred HeartRome 00168Italy

BACKGROUND Few studies have evaluated the frequency of and the reasons behind the refusal of listing liver transplantation *** To assess the ineligibility rate for liver transplantation and its *** A single-center retrospective study was conducted on adult patients which entailed a formal multidisciplinary assessment for liver transplantation *** predictors for listing were evaluated using multivariable logistic *** In our center,314 patients underwent multidisciplinary work-up before liver transplantation enlisting over a three-year *** most frequent reasons for transplant evaluation were decompensated cirrhosis(51.6%)and hepatocellular carcinoma(35.7%).The non-listing rate was 53.8%and the transplant rate was 34.4%for the whole *** hundred and five motivations for ineligibility were *** most common contraindications were psychological(9.3%),cardiovascular(6.8%),and surgical(5.9%).Inappropriate or premature referral accounted for 76(37.1%)*** multivariable analysis,a referral from another hospital(OR:2.113;95%CI:1.259–3.548)served as an independent predictor of *** A non-listing decision occurred in half of our cohort and was based on an inappropriate or premature referral in one case out of *** referral from another hospital was taken as a strong predictor of non-listing.

关键词： Controindication Eligibility Evaluation Referral Personalized medicine

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Privacy Protection in COVID Data Tracking: Textual Analysis of the Literature

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Applied Mathematics 2024年第3期15卷 235-255页

作者： Antonella Massari Viviana D’Addosio Vittoria claudia De Nicolò Samuela L’Abbate Department of Economics Management and Business Law University of Bari Aldo Moro Bari Italy

The literary review presented in the following paper aims to analyze the tracking tools used in different countries during the period of the COVID-19 pandemic. Tracking apps that have been adopted in many countries to collect data in a homogeneous and immediate way have made up for the difficulty of collecting data and standardizing evaluation criteria. However, the regulation on the protection of personal data in the health sector and the adoption of the new General Data Protection Regulation in European countries has placed a strong limitation on their use. This has not been the case in non-European countries, where monitoring methodologies have become widespread. The textual analysis presented is based on co-occurrence and multiple correspondence analysis to show the contact tracing methods adopted in different countries in the pandemic period by relating them to the issue of privacy. It also analyzed the possibility of applying Blockchain technology in applications for tracking contagions from COVID-19 and managing health data to provide a high level of security and transparency, including through anonymization, thus increasing user trust in using the apps.

关键词： Tracking Privacy Blockchain Textual Analysis

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物位测量仪表让生产流程更简单

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流程工业 2024年第7期 26-27页

作者： claudia Homburg 德国VEGA公司市场营销部

对原料库存了如指掌,是生产者实现降本增效的关键。对此,荷兰多德雷赫特的无缝地坪生产厂商Quartzline深有体会。该企业在储罐上使用雷达物位计,持续监测物料储量。Quartzline公司成立于1976年,总部坐落在荷兰鹿特丹郊外,专业生产树脂... 详细信息

对原料库存了如指掌,是生产者实现降本增效的关键。对此,荷兰多德雷赫特的无缝地坪生产厂商Quartzline深有体会。该企业在储罐上使用雷达物位计,持续监测物料储量。Quartzline公司成立于1976年,总部坐落在荷兰鹿特丹郊外,专业生产树脂类地坪系统。经过短短数十年的发展,当年的小公司如今业务遍及全球。公司在创立之初主要负责地坪施工,现在则专注生产各种地坪材料,并已跻身全球地坪产品的头部生产厂商。

关键词：荷兰鹿特丹原料库存雷达物位计生产厂商树脂类 Quartz 遍及全球生产流程

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New therapeutic strategy with extracorporeal membrane oxygenation for refractory hepatopulmonary syndrome after liver transplant: A case report

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World Journal of Transplantation 2024年第1期14卷 210-214页

作者： Belinda Sánchez Pérez María Pérez Reyes Jose Aranda Narvaez Julio Santoyo Villalba Jose Antonio Perez Daga claudia Sanchez-Gonzalez Julio Santoyo-Santoyo Hepatobiliary and Trasplantation Unit General and Digestive Surgery DepartmentUniversity Regional HospitalMalaga 29010Spain Department of General and Digestive Surgery Regional University Hospital of MalagaMalaga 29010Spain

BACKGROUND Due to the lack of published literature about treatment of refractory hepatopulmonary syndrome(HPS)after liver transplant(LT),this case adds information and experience on this issue along with a treatment with positive *** is a complication of end-stage liver disease,with a 10%-30%incidence in cirrhotic *** can reverse the physiopathology of this process and restore normal ***,in some cases,refractory hypoxemia persists,and extracorporeal membrane oxygenation(ECMO)can be used as a rescue therapy with good *** SUMMARY A 59-year-old patient with alcohol-related liver cirrhosis and portal hypertension was included in the LT waiting list for *** had good liver function(Model for End-Stage Liver Disease score 12,Child-Pugh class B7).He had pulmonary fibrosis and a mild restrictive respiratory pattern with a basal oxygen saturation of 82%.The macroaggregated albumin test result was>*** demonstrated a forced expiratory volume in one second(FEV1)of 78%,forced vital capacity(FVC)of 74%,FEV1/FVC ratio of 81%,diffusion capacity for carbon monoxide of 42%,and carbon monoxide transfer coefficient of 57%.He required domiciliary oxygen at 2 L/min(16 h/d).The patient was admitted to the intensive care unit(ICU)and extubated in the first 24 h,needing high-flow therapy and non-invasive ventilation and inhaled nitric oxide *** was needed after 72 *** to the non-response to supportive therapies,installation of ECMO was decided with progressive recovery after 9 *** was possible on the tenth day,maintaining a high-flow nasal cannula and de-escalating to conventional oxygen therapy after 48 *** was discharged from ICU on postoperative day(POD)20 with a 90%-92%oxygen *** recycling was needed twice for acute *** patient was discharged from hospital on POD 27 with no symptoms,with an 89%-90%oxygen *** Due to the favorable results observed,ECMO could bec

关键词： Liver transplantation Hepatopulmonary syndrome Refractory hypoxemia Treatment Extracorporeal membrane oxygenation Case report

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Assessing the impact of concurrent high-fructose and highsaturated fat diets on pediatric metabolic syndrome:A review

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World Journal of Clinical Pediatrics 2024年第2期13卷 62-79页

作者： Manuel Alejandro Vargas-Vargas Marcela González-Montoya Olin Torres-Isidro claudia Isabel García-Berumen Omar Ortiz-Avila Elizabeth Calderón-Cortés Christian Cortés-Rojo Instituto de Investigaciones Químico–Biológicas Universidad Michoacana de San Nicolás de HidalgoMorelia 58030MichoacánMexico Facultad de Enfermería Universidad Michoacana de San Nicolás de HidalgoMorelia 58020MichoacánMexico

High-saturated fat(HF)or high-fructose(HFr)consumption in children predispose them to metabolic syndrome(MetS).In rodent models of MetS,diets containing individually HF or HFr lead to a variable degree of ***,simultaneous intake of HF plus HFr have synergistic effects,worsening MetS *** children,the effects of HF or HFr intake usually have been addressed ***,we have reviewed the outcomes of HF or HFr diets in children,and we compare them with the effects reported in *** humans,HFr intake causes increased lipogenesis,hypertriglyceridemia,obesity and insulin *** the other hand,HF diets promote low grade-inflammation,obesity,insulin *** the deleterious effects of simultaneous HF plus HFr intake on MetS development in rodents,there is little information about the combined effects of HF plus HFr intake in *** aim of this review is to warn about this issue,as individually addressing the effects produced by HF or HFr may underestimate the severity of the outcomes of Western diet intake in the pediatric *** consider that this is an alarming issue that needs to be assessed,as the simultaneous intake of HF plus HFr is common on fast food menus.

关键词： Fructose Saturated fat Metabolic syndrome Insulin resistance Type 2 diabetes Ultra processed foods Children Obesity Dyslipidemia Non-alcoholic fatty liver disease

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金融界与商业界MBA职业发展的性别差距研究

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新金融 2024年第5期 16-23页

作者： Marianne Bertrand claudia Goldin Lawrence F.Kat 田振(翻译) 缪蛟(翻译) 芝加哥大学哈佛大学不详

claudia Goldin是2023年诺贝尔经济学奖获得者。2010年,她与Marianne Bertrand和Lawrence ***合作在AEJ:Applied Economics发表了此篇文章。该文对美国一所知名商学院MBA的职业生涯进行了调研,以了解MBA不同性别的职业发展。尽管MBA男... 详细信息

claudia Goldin是2023年诺贝尔经济学奖获得者。2010年,她与Marianne Bertrand和Lawrence ***合作在AEJ:Applied Economics发表了此篇文章。该文对美国一所知名商学院MBA的职业生涯进行了调研,以了解MBA不同性别的职业发展。尽管MBA男女在职业生涯初期的收入几乎相同,但他们的收入很快就出现了分化,MBA男性比女性的收入优势在毕业10年后达到了近60个对数点。造成MBA男女收入差距巨大且不断扩大的原因有3个:MBA毕业前培训的差异、职业中断的差异以及每周工作时间的差异。MBA女性的职业生涯中断较多,工作时间较短,这在很大程度上与做母亲有关。当前,帮助不同性别员工获得平等职业发展机会仍然是学术界探讨的重要议题。本刊征得原载期刊同意,编译此文,以飨读者。

关键词：工商管理硕士(MBA) 职业生涯职业中断 MBA男女收入差距

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The role of melatonin receptor 1B gene(MTNR1B)in the susceptibility to depression and type 2 diabetes comorbidity

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Genes & Diseases 2024年第3期11卷 113-115页

作者： Mutaz Amin Benjamin Rafla Rongling Wu Teodor T.Postolache Cclaudia Gragnoli INSERM US14-OrphanetParis 75014France Department of Biochemistry and Molecular Biology Faculty of MedicineAl-Neelain UniversityKhartoum 11121Sudan Division of Endocrinology Department of MedicineCreighton University School of MedicineOmahaNE 68124USA Department of Public Health Sciences Penn State College of MedicineHersheyPA 17033USA Department of Statistics Penn State College of MedicineHersheyPA 17033USA Mood and Anxiety Program Department of PsychiatryUniversity of Maryland School of MedicineBaltimoreMD 21201USA Rocky Mountain Mental llness Research Education and Clinical Center(MIRECC) Veterans Integrated Service Network(VISN)19Military and Veteran Microbiome:Consortium for Research and Education(MVM-CoRE)DenverCO 80246USA Mental Ilness Research Education and Clinical Center(MIRECC) Veterans Integrated Service Network(VISN)5VA Capitol Health Care NetworkBaltimoreMD 21090USA Molecular Biology Laboratory Bios Biotech Multi-Diagnostic Health CenterRome00197Italy

Melatonin is an endogenous monoamine hormone secreted by the pineal *** signaling has been shown to play a role in circadian rhythm regulation,lipid and glucose metabolism,and obesity,and it has anti-inflammatory and antioxidant *** melatonin receptor 1B gene(MTNR1B)is expressed in,among other tissues,the brain and pancreatic beta cells,and risk variants for T2D have been reported as impairing early insulin secretion and increasing fasting glucose levels.^(1) Variants in the MTNR1B gene also have been reported in patients with depression(MDD).

关键词： MTNR1B metabolism properties.

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Effects of fertilization on radial growth of Pinus pinea explored hourly using dendrometers

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Ecological Processes 2024年第1期 25-39页

作者： Verónica Loewe-Mu?oz Rodrigo del Río Millar claudia Delard Rodriguez Mónica Balzarini Chilean Forest Institute (INFOR) Metropolitan Office Centro Nacional de Excelencia Para la Industria de la Madera(CENAMAD) Pontificia Universidad Católica de Chile Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET ) Universidad Nacional de Córdoba Ciudad Universitaria

Background Stone pine(Pinus pinea), a drought-resistant species, has significant socio-economic benefits and increasing interest for the establishment of productive plantations in several countries, especially in a climate change context. Monitoring hourly stem diameter variations contributes to the understanding of the tree-growth response to changes in environmental conditions and management. By monitoring the diameter expansion of tree stems, high-resolution band dendrometers were used to study the development of adult trees growing in a semi-arid coastal environment of central Chile under fertilized and non-fertilized soil conditions through the span of a *** Short cycles( 28 h) occurred at a higher frequency in fertilized trees(16 vs 6). Most of the circadian cycles were regular(24 ± 3 h). The longest cycle duration(59 h) was observed in fertilized trees during spring. In all seasons, each phase of the circadian cycle, especially during the stem diameter increment phase(P3, irreversible growth), started earlier in fertilized than in control trees. P3 duration was significantly longer in fertilized than in control trees in springtime. The maximum shrinkage(P1) was observed in summer for both treatments. Stem diameter increased faster in fer-tilized than in control trees throughout the year, with the highest accumulation occurring in spring and the lowest in autumn. The daily variability pattern showed lower growth under high temperature across *** This study highlights the importance of fertilization in enhancing stone pine diameter growth. This cultural practice should be further explored to contribute to the mitigation of climate change effects in semi-arid environments.

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