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Construction and validation of a risk-prediction model for anastomotic leakage after radical gastrectomy: A cohort study in China

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Laparoscopic, Endoscopic and Robotic Surgery 2024年第1期7卷 34-43页

作者： Jinrui Wang Xiaolin Liu Hongying Pan Yihong Xu mizhi wu Xiuping Li Yang Gao Meijuan Wang Mengya Yan Nursing Department Sir Run Run Shaw HospitalZhejiang University School of MedicineHangzhou 310016China Department of General Surgery Sir Run Run Shaw HospitalZhejiang University School of MedicineHangzhou 310016China School of Nursing Zhejiang Chinese Medical UniversityHangzhou 310053China

Objectives:Anastomotic leakage(AL)stands out as a prevalent and severe complication following gastric cancer *** frequently precipitates additional serious complications,significantly influencing the overall survival time of *** study aims to enhance the risk-assessment strategy for AL following gastrectomy for gastric ***:This study included a derivation cohort and validation *** derivation cohort included patients who underwent radical gastrectomy at Sir Run Run Shaw Hospital,Zhejiang University School of Medicine,from January 1,2015 to December 31,*** evidence-based predictor questionnaire was crafted through extensive literature review and panel *** on the questionnaire,inpatient data were collected to form a model-derivation *** cohort underwent both univariate and multivariate analyses to identify factors associated with AL events,and a logistic regression model with stepwise regression was developed.A 5-fold cross-validation ensured model *** validation cohort included patients from August 1,2021 to December 31,2021 at the same *** the same imputation method,we organized the validation-queue *** then employed the risk-prediction model constructed in the earlier phase of the study to predict the risk of AL in the subjects included in the validation *** compared the predictions with the actual occurrence,and evaluated the external validation performance of the model using model-evaluation indicators such as the area under the receiver operating characteristic curve(AUROC),Brier score,and calibration ***:The derivation cohort included 1377 patients,and the validation cohort included 131 *** independent predictors of AL after radical gastrectomy included age65 y,preoperative albumin<35 g/L,resection extent,operative time240 min,and intraoperative blood loss90 *** predictive model exhibited a solid AUROC of 0.750(95%CI:0.694e0.806;p<0.001)with a Br

关键词： Stomach neoplasms Anastomotic leak Risk factors Prediction model Risk assessment

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医护人员信息安全行为评估工具的研究进展

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中国护理管理 2024年第7期24卷 1047-1052页

作者：徐亦虹徐虹霞吴文瑾王佳楠丁珊妮吴觅之潘红英浙江大学医学院附属邵逸夫医院护理部杭州市310016

文章对医疗信息安全行为的表现形式及其评价工具进行综述,比较现有国内外信息安全行为评估工具,为医疗信息安全行为工具的本土化发展提供思路。建议在国内信息安全政策的基础上,结合信息安全专家和临床专家的建议,参考国内外信息安全行... 详细信息

文章对医疗信息安全行为的表现形式及其评价工具进行综述,比较现有国内外信息安全行为评估工具,为医疗信息安全行为工具的本土化发展提供思路。建议在国内信息安全政策的基础上,结合信息安全专家和临床专家的建议,参考国内外信息安全行为评估工具,构建适合用于我国医护人员医疗信息安全行为的评估工具。

关键词：信息安全医疗信息安全行为评估工具综述

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静脉血栓栓塞症出院患者自我管理能力及影响因素分析

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全科医学临床与教育 2024年第1期22卷 82-84,87页

作者：吴觅之余红梅潘红英浙江大学医学院附属邵逸夫医院普外科浙江杭州310016 浙江大学医学院附属邵逸夫医院护理部浙江杭州310016

静脉血栓栓塞症(venous thromboembolism,VTE)包括深静脉血栓形成(deep vein thrombosis,DVT)和肺血栓栓塞症(pulmonary embolism,PE),是院内非预期和围手术期死亡的主要原因之一^([1])。近年来患者出院后VTE复发率逐年升高,其在第1、2... 详细信息

静脉血栓栓塞症(venous thromboembolism,VTE)包括深静脉血栓形成(deep vein thrombosis,DVT)和肺血栓栓塞症(pulmonary embolism,PE),是院内非预期和围手术期死亡的主要原因之一^([1])。近年来患者出院后VTE复发率逐年升高,其在第1、2、5年复发率分别为4.5%、7.3%、13.9%^([2])。有研究表明,患者出院后遵医行为逐渐变得不理想,抗凝治疗不依从率高达21.0%~72.5%^([3])。VTE出院患者无效的自我管理将导致患者30 d再次入院^([4])。

关键词：静脉血栓栓塞症深静脉血栓形成自我管理能力肺血栓栓塞症出院患者遵医行为抗凝治疗依从率

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基于ISBAR模型的普外科结构化病情交班改良模式的构建及应用

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全科医学临床与教育 2024年第6期22卷 565-566,569页

作者：吕婷婷吴觅之余红梅潘红英浙江大学医学院附属邵逸夫医院普外科浙江杭州310016 浙江大学医学院附属邵逸夫医院护理部浙江杭州310016

护理交接班是指将患者详细信息由一位护士转交给另一位护士的过程,是确保护理延续性和护理安全的基础环节[1,2]。研究表明60%的医院意外事件和近似错误源于医护人员之间信息错误传达,其中交接班信息遗漏和差错最为关键[3,4]。外科患者... 详细信息

护理交接班是指将患者详细信息由一位护士转交给另一位护士的过程,是确保护理延续性和护理安全的基础环节[1,2]。研究表明60%的医院意外事件和近似错误源于医护人员之间信息错误传达,其中交接班信息遗漏和差错最为关键[3,4]。外科患者病种多样、治疗护理繁杂,在交接班过程中信息量大,易造成信息遗漏、信息内容错误等问题[5]。因此,为提高普外科护士交班质量,本次研究基于ISBAR模型构建普外科结构化病情交班改良模式,在临床中应用取得较好的效果。现报道如下。

关键词：普外科护理安全交接班信息内容改良模式结构化意外事件患者病种

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Ballistic performances of the hourglass lattice sandwich structures under high-velocity fragments

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Defence Technology（防务技术） 2024年第1期31卷 312-325页

作者： He-xiang wu Jia Qu Lin-zhi wu Key Laboratory of Advanced Ship Materials and Mechanics College of Aerospace and Civil EngineeringHarbin Engineering UniversityHarbin150001China School of Civil Engineering Northeast Forestry UniversityHarbin150040China

In this paper,the numerical simulation method is used to study the ballistic performances of hourglass lattice sandwich structures with the same mass under the vertical incidence of *** is paid to elucidating the influences of rod cross-section dimensions,structure height,structure layer,and rod inclination angle on the deformation mode,ballistic performances,and ability to change the ballistic direction of *** results show that the ballistic performances of hourglass lattice sandwich structures are mainly affected by their structural *** this respect,structural parameters optimization of the hourglass lattice sandwich structures enable one to effectively improve their ballistic limit velocity and,consequently,ballistic performances.

关键词： Hourglass lattice sandwich structures Ballistic performances high-velocity Finite element analysis

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Resilience-incorporated seismic risk assessment of precast concrete frames with“dry”connections

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Earthquake Engineering and Engineering Vibration 2024年第2期23卷 403-425页

作者： wu Chenhao Tang Yuchuan Cao Xuyang wu Gang Key Laboratory of Concrete and Prestressed Concrete Structures of the Ministry of Education Nanjing 211102China Department of Civil and Environmental Engineering University of CaliforniaLos AngelesCA 90095USA School of Civil Engineering Southeast UniversityNanjing 211102China College of Civil and Transportation Engineering Hohai UniversityNanjing 210024China

A resilience-incorporated risk assessment framework is proposed and demonstrated in this study to manifest the advantageous seismic resilience of precast concrete frame(PCF)structures with“dry”connections in terms of their low damage and rapid *** framework integrates various uncertainties in the seismic hazard,fragility,capacity,demand,loss functions,and post-earthquake *** this study,the PCF structures are distinguished from ordinary reinforced concrete frame(RCF)structures by characterizing multiple limit states for the PCF based on its unique damage ***,probabilistic story-wise pushover analyses are performed to yield story-wise capacities for the predefined limit *** the seismic resilience analysis,a step-wise recovery model is proposed to idealize the functionality recovery process,with separate considerations of the repair and non-repair *** recovery model leverages the economic loss and downtime to delineate the stochastic post-earthquake recovery curves for the resilience loss *** such,contingencies in the probabilistic post-earthquake repairs are incorporated and the empirical judgments on the recovery parameters are largely *** proposed framework is demonstrated through a comparative study between two“dry”connected PCFs and one RCF designed as alternative structural systems for a prototype *** results from the risk quantification indicate that the PCFs show reduced loss hazards and lower expected losses relative to the ***,the PCF equipped with energy dissipation devices at the“dry”connections largely reduces the expected economic loss,downtime,and resilience loss by 29%,56%,and 60%,respectively,compared to the RCF.

关键词： precast concrete frame non-emulative precast system seismic resilience seismic risk functional recovery

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New findings on the influence of El Ni?o events on tropical cyclone formation

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Science China Earth Sciences 2024年第3期67卷 892-893页

作者： Liguang wu Fudan University Department of Atmospheric and Oceanic Sciences Institute of Atmospheric Sciences

Tropical cyclones typically form over warm tropical and subtropical ocean surfaces, as their formation and intensification rely primarily on the energy provided by the ocean. Pioneering research by Gray (1968) revealed that the formation of tropical cyclones requires the sea surface temperature (SST) to be no less than 26.5°C. Consequently, SST is commonly recognized as a crucial parameter among the environmental factors influencing tropical cyclone formation(Gray, 1979; Emanuel and Nolan, 2004).

关键词： INDEX

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Two-dimensional semiconductor heterostructures for photocatalytic CO_(2)conversion

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Science China Chemistry 2024年第8期67卷 2434-2447页

作者： Yang wu Mingyu wu Yongfu Sun Yi Xie Hefei National Research Center for Physical Sciences at Microscale University of Science and Technology of ChinaHefei 230026China

The CO_(2)reduction into carbon-contained fuel via solar energy offers the powerful tools to realize the zero-emission carbon *** to the intriguing features of the two-dimensional(2D)heterostructures,it is susceptible to modulate the electronic structure as well as the surface geometry for optimizing the photocatalytic CO_(2)*** this perspective,we surveyed the fundamental insights of 2D semiconductor heterostructures,involving the fabrication strategies and classification of the 2D semiconductor ***,we have detailly discussed the overview of 2D semiconductor heterostructure for optimizing CO_(2)photocatalytic influenced factors,including the solar energy utilization,photogenerated carriers separation,and redox reaction ***,we showed the significant advantages of 2D heterostructures in elevating CO_(2)photoreduction performance,focusing on activity,selectivity and *** analyzing the limitations and developments,we ended by putting forward insights into the further researches about the CO_(2)photocatalysts and reactor design,even industrial applications.

关键词： two-dimensional semiconductor heterostructures photocatalysis CO_(2)conversion

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The Functional Redundancy of Neddylation E2s and E3s in Modulating the Fitness of Regulatory T Cells

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Research 2024年第2期2023卷 373-387页

作者： Di wu Yi Sun Cancer Institute(Key Laboratory of Cancer Prevention and Intervention China National Ministry of Education)of the Second Affiliated Hospital and Institute of Translational MedicineZhejiang University School of MedicineHangzhou 310029China Cancer Center of Zhejiang University Hangzhou 310029China Zhejang Provincial Clinical Research Center for Cancer Zhejang ProvinceChina Key Laboratory of Molecular Biology in Medical Sciences Zhejang ProvinceChina Research Center for Life Science and Human Health Binjiang Institute of Zhejiang UniversityHangzhou 310053China

Neddylation is necessary for activation of Cullin-RING ligases(CRLs),which degrade various immune regulatory *** recent study showed that while depletion of neddylation E2-E3 pair Ube2f-Sag in regulatory T(T_(reg))cells had no obvious phenotype,the same depletion of either Ube2m or Rbx1 caused inflammation disorders with different *** these E2s or E3s compensate each other in functional regulations of T_(reg)cells is,however,previously *** this report,we generated Foxp3^(Cre);Ube2m^(fl/fl);Ube2f^(fl/fl)or Foxp3^(Cre);Rbx1^(fl/fl);Sag^(fl/fl)double-null mice by simultaneous deletion of both neddylation E2s or E3s in T_(reg)cells,***,Ube2m&Ube2f double-null mice developed much severe autoimmune phenotypes than did Ube2m-null mice,indicating that Ube2m markedly compensates Ube2f in T_(reg)*** minor worsened autoimmune phenotypes seen at the very early stage in Rbx1&Sag double-null than Rbx1-null mice is likely due to already severe phenotypes of the later,indicating a minor compensation of Rbx1 for *** RNA profiling-based analyses revealed that up-and down-regulations of few signaling pathways in T_(reg)cells are associated with the severity of autoimmune ***,severer inflammation phenotypes seen in mice with double E3-null than with double E2-null T_(reg)cells indicate a neddylation-independent mechanism of 2 E3s,also known to serve as the RING component of CRLs in regulation of T_(reg)cell fitness.

关键词： Foxp3 inflammation markedly

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Rational surface charge engineering of haloalkane dehalogenase for boosting the enzymatic performance in organic solvent solutions

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Chinese Journal of Chemical Engineering 2024年第1期65卷 276-285页

作者： Yin wu Yan Sun Department of Biochemical Engineering School of Chemical Engineering and Technology and Key Laboratory of Systems Bioengineering and Frontiers Science Center for Synthetic Biology(Ministry of Education)Tianjin UniversityTianjin 300350China

Biocatalysis in organic solvents(OSs)has numerous important applications,but native enzymes in OSs often exhibit limited catalytic ***,we proposed a computation-aided surface charge engineering strategy to improve the catalytic performance of haloalkane dehalogenase DhaA in OSs based on the energetic analysis of substrate binding to the DhaA *** variants with enhanced OS resistance were obtained by replacing negative charged residues on the surface with positive charged residue(Arg).Particularly,a four-substitution variant E16R/E93R/E121R/E257R exhibited the best catalytic performance(five-fold improvement in OS resistance and seven-fold half-life increase in 40%(vol)dimethylsulfoxide).As a result,the overall catalytic performance of the variant could be at least 26 times higher than the wild-type *** spectroscopy and molecular dynamics simulation studies revealed that the residue substitution mainly enhanced OS resistance from four aspects:(a)improved the overall structural stability,(b)increased the hydrophobicity of the local microenvironment around the catalytic triad,(c)enriched the hydrophobic substrate around the enzyme molecule,and(d)lowered the contact frequency between OS molecules and the catalytic *** findings validate that computationaided surface charge engineering is an effective and ingenious rational strategy for tailoring enzyme performance in OSs.

关键词： Surface charge engineering Organic solvent resistance Molecular dynamics simulation Haloalkane dehalogenase

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