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Evolution and control of inclusions of Ti-bearing ultra-low carbon steel during the steelmaking process

Progress in Natural Science:Materials International 2024年第3期34卷 585-590页

作者： Wenjun Ma Bin Chen Haibo Li Lixia Hao Jianguan Chen Yi Jia Daozheng Liu Shougang Research Institute of Technology Room 1107No.69Yangzhuang RoadShijingshan DistrictBeijing100043China Beijing Shougang co. ltdRoom 606Yang DianZi Town Riverside VillageQian'an064404China

This article investigates the evolution and control of inclusions in the smelting process of titanium containing ultra-low carbon *** industrial experiments,the influence of oxygen content before aluminum addition on inclusions in ultra-low carbon IF steel was explored,and the evolution process of inclusions was *** microstructure of different types of inclusions was observed using three-dimensional analysis *** has found that the oxygen content before aluminum addition has no significant effect on the final oxygen ***,under low aluminum and low oxygen conditions,the size of inclusions formed is small and difficult to float and *** if the cycle time is extended,the AF index of inclusions remains at a high *** three-dimensional morphology analysis of inclusions,it was found that alumina formed under high aluminum and high oxygen conditions is very dense,while inclusions are relatively loose under low aluminum and low oxygen *** addition,through the analysis of aluminum oxygen supersaturation before the formation of aluminum oxide inclusions,it was found that due to the low oxygen content,the nucleation rate of aluminum oxide in the early stage of inclusion formation is relatively low,and the inclusions grow along the trajectory of oxygen,ultimately forming polycrystalline aluminum oxide *** article also observed for the first time the initial three-dimensional morphology of Al Ti inclusions,providing a theoretical basis for further optimizing smelting processes and controlling inclusions.

关键词： Inclusions Ultra-low carbon steel Steelmaking process Morphology of Al_(2)O_(3) TiO_(x)complex oxide Al_(2)O_(3)cluster

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Correlation between critical thinking and emotional intelligence:a national crosssectional study on operating room nursing students in Iran

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Frontiers of Nursing 2024年第1期11卷 99-104页

作者： Armin Fereidouni Esmaeil Teymoori Tayebeh Bahmani Hamid Reza Sabet Zahra Maleki Mina Gharibi Department of Operating room Technology Community Based Psychiatric Care Research CenterSchool of Nursing and MidwiferyShiraz University of Medical SciencesShirazIran Department of Operating room Technology School of Paramedical SciencesAJA University of Medical SciencesTehranIran Department of Operating room School of Allied Medical ScienceFasa University of Medical SciencesFasaIran Clinical Education Research Center Shiraz University of Medical SciencesShirazIran Medical Journalism Department School of Paramedical SciencesShiraz University of Medical SciencesShirazIran Department of Epidemiology Student Research CommitteeShiraz University of Medical SciencesShirazIran

Objective:According to the World Federation of Medical Education,critical thinking should be part of the training of medical and paramedical *** can improve the quality of care of patients after surgery by having or acquiring this skill in health ***,Emotional intelligence is introduced as an impor tant and effective factor on the professional performance and mental health of healthcare ***,the present study was designed and implemented to determine the relationship between emotional intelligence and critical thinking among operating room nursing students of medical sciences universities in ***:This cross-sectional study was done on 420 operating room students in 10 top medical sciences universities of Iran in *** sampling method in this research was multistage *** data collection instruments included demographic characteristics,Rickett's critical thinking,and Bradberry-Greaves'emotional intelligence *** receiving the ethics code,data collection was done for 2 *** data analysis,descriptive and inferential analyses including independent t-tests,analysis of variance,and Pearson correlation were *** collected data were analyzed by SPSS 18(IBM Corporation,Armonk,New York,United States).P-value<0.05 was considered ***:The mean age of the students participating in this study was 23.02±3.70 years,with women constituting 67.4%of *** results of data analysis indicated that the mean total score of critical thinking and emotional intelligence was 124.10±37.52 and 114.12±43.63,respectively.A direct significant correlation between critical thinking and emotional intelligence(r=0.459,P-value<0.001)and a significant relationship between gender and emotional intelligence(P-value=0.028)were ***:Based on the present study results,educational managers in the Ministry of Health are suggested to consider suitable educational programs for improving critical think

关键词： critical thinking emotional intelligence operating room students operating room nurses

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Influence of humanistic care-based operating room nursing on safety,recovery,and satisfaction after radical surgery for colorectal carcinoma

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World Journal of Clinical Cases 2024年第24期12卷 5483-5491页

作者： Xian-Pu Wang Min Niu Operating room Zhongnan Hospital of Wuhan UniversityWuhan 430071Hubei ProvinceChina

BACKGROUND Radical surgery is a preferred treatment for colorectal carcinoma,wherein nursing intervention is essential for postoperative recovery and prevention of ***,the application of humanistic care in medical care has attracted *** care emphasizes comprehensive care,with importance attached to patients’physical needs as well as psychological and emotional support to provide more humane and personalized care ***,no clinical reports have examined the use of humanistic care in patients undergoing radical surgery for colorectal *** To investigate the influence of humanistic care-based operating room nursing on the safety,postoperative recovery,and nursing satisfaction of patients who have undergone radical surgery for colorectal *** In total,120 patients with rectal cancer who underwent surgery in Zhongnan Hospital of Wuhan University between August 2023 and March 2024 were selected and grouped based on the nursing methods *** these patients,55 were treated with routine nursing intervention(control group)and 65 were provided humanistic care-based operating room nursing(research group).The patients’vital signs were recorded,including systolic/diastolic blood pressure(SBP/DBP)and heart beats per minute(BPM),as well as serum stress indices,including norepinephrine(NE),adrenal hormone(AD),and cortisol(Cor).Postoperative recovery and complications were also ***’negative emotions,life hope,and nursing satisfaction were evaluated using the Self-rating Depression/Anxiety Scale(SDS/SAS),Herth Hope Index(HHI),and self-deve-loped nursing satisfaction questionnaire,*** During emergence from anesthesia,SBP,DBP,and BPM levels were found to be lower in the research group than those in the control group,also serum Cor,AD,and NE levels were *** addition,the research group had shorter operative,awakening,anal exhaust,first postoperative ambulation,drainage tube remova

关键词： Humanistic care Nursing Radical surgery for rectal carcinoma Stress response

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Research on the prognostic value of adjusting intraperitoneal threedimensional quality evaluation mode in laparoscopic cholecystectomy patients

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World Journal of Gastrointestinal Surgery 2024年第4期16卷 1078-1086页

作者： Yuan Zhou Zhan-Qing Chen Operating room Lianyungang Hospital of Traditional Chinese MedicineLianyungang 222000Jiangsu ProvinceChina Operating room The Second People's Hospital of Lianyungang Affiliated to Kangda College of Nanjing Medical UniversityLianyungang 222000Jiangsu ProvinceChina

BACKGROUND Benign gallbladder diseases have become a high-prevalence condition not only in China but also *** main types of benign gallbladder diseases include gallbladder polyps,acute and chronic cholecystitis,and gallstones,with gallstones being the most common,accounting for over 70%of *** the mortality rate of benign gallbladder diseases is low,they carry obvious potential *** have shown that an increased incidence of benign gallbladder diseases can increase the risk of cardiovascular diseases and gallbladder cancer,resulting in a substantial disease burden on patients and their *** To assess the medical utility of the Configuration-Procedure-Consequence(CPC)three-dimensional quality evaluation model in modulating the prognosis of laparoscopic cholecystectomy *** A total of 98 patients who underwent laparoscopic cholecystectomy in our hospital from February 2020 to January 2022 were selected as the *** to the random number table method,they were divided into a study group and a control group,with 49 patients in each *** control group received routine perioperative care,while the study group had the addition of the CPC three-dimensional quality *** postoperative recovery-related indicators(time to first flatus,time to oral intake,time to ambulation,hospital stay),stress indicators(cortisol and adrenaline levels),distinctions in anxiety and RESULTS The time to first flatus,time to oral intake,time to ambulation,and hospital stay of the study group patients were obviously lower than those of the control group patients,with statistical significance(P0.05).However,on the 3rd day after surgery,the cortisol and adrenaline leve

关键词： Configuration-Procedure-Consequence Three-dimensional quality evaluation Laparoscopic Cholecystectomy Recovery process Anxiety and depression Complications

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Neighborhood predictors of short sleep duration and bedtime irregularity among children in the United States: results from the 2019-2020 National Surveyof Children's Health

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World Journal of Pediatrics 2024年第1期20卷 73-81页

作者： Ying Dai Jianghong Liu School of Nursing University of Pennsylvania418 Curie Blvd.Room 426Claire M.Fagin HallPhiladelphiaPA19104-6096USA

Background Environmental factors may contribute to short sleep duration and irregular bedtime in *** factors and children's sleep duration and bedtime regularity remain a less investigated *** aim of this study was to investigate the national and state-level proportions of children with short sleep duration and irregular bedtime and their neighborhood *** A total of 67,598 children whose parents completed the National Survey of Children's Health in 2019-2020 were included in the ***-weighted Poisson regression was used to explore the neighborhood predictors of children's short sleep duration and irregular *** The prevalence of short sleep duration and irregular bedtime among children in the United States(US)was 34.6%[95%confidence interval(CI)=33.8%-35.4%]and 16.4%(95%CI=15.6%-17.2%)in 2019-2020,*** neighborhoods,supportive neighborhoods,and neighborhoods with amenities were found to be protective factors against children's short sleep duration,with risk ratios ranging between 0.92 and 0.94,P<*** with detracting elements were associated with an increased risk of short sleep duration[risk ratio(RR)=1.06,95%CI=1.00-1.12]and irregular bedtime(RR=1.15,95%CI=1.03-1.28).Child race/ethnicity moderated the relationship between neighborhood with amenities and short *** Insufficient sleep duration and irregular bedtime were highly prevalent among US children.A favorable neighborhood environment can decrease children's risk of short sleep duration and irregular *** the neighborhood environment has implications for children's sleep health,especially for children from minority racial/ethnic groups.

关键词： Child National Survey of Children's Health Neighborhood.Sleep Social determinants of health

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Enhancing Patient Safety in the Operating room: A Comprehensive Guide from a Nurse’s Perspective

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Open Journal of Nursing 2024年第6期14卷 252-266页

作者： Aisha Mohamed Hussein Operating room Nurse Dr. Sulaiman Al-Habib Medical Group Bone Joint and Spine Hospital Riyadh Saudi Arabia

Ensuring patient safety within the operating room is a paramount concern in contemporary healthcare, and this guide aims to provide an in-depth exploration of this crucial aspect from the perspective of nurses. Nurses play a pivotal role in supporting surgeons and maintaining a safe environment for patients undergoing various medical procedures.

关键词： Operating room Patient Safety Nurses

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Magnetic resonance imaging combined with serum endolipin and galactagoglobin-3 to diagnose cerebral infarction in the elderly with diabetes mellitus

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World Journal of Diabetes 2024年第7期15卷 1509-1517页

作者： Yan-Hui Zhang Dong Liang Magnetic Resonance Imaging room Tianjin Huanhu HospitalTianjin 300350China Department of Endocrinology Tianjin First Central HospitalTianjin 300190China

BACKGROUND Magnetic resonance imaging(MRI)combined with serum endothelin and galactagoglobin-3(Gal-3)can improve the clinical diagnosis of diabetes mellitus complicated with cerebral *** To analyze the clinical value of MRI combined with serum endolipin and Gal-3 for the diagnosis of cerebral infarction in the elderly with diabetes *** One hundred and fifty patients with acute cerebral infarction hospitalized between January 2021 and December 2023 were divided into two groups according to comorbid diabetes mellitus,including 62 and 88 cases in the diabetic and nondiabetic cerebral infarction *** samples were collected to detect the expression of serum endolipoxins,and Gal-3,and cranial MRI was performed at *** between the two groups were compared to analyze the diagnostic value of these *** Serum endolipin and Gal-3 expression were higher in the diabetic cerebral infarction group(P<0.05).The arterial wall area,vessel area,normalized wall index,and lumen stenosis rate were higher in the diabetic cerebral infarction group,while the rate of arterial lumen moderate and severe stenosis was 48.39% higher(36.36%,P<0.05).The percentage of large(29.03%)and multiple infarcts(33.87%)in the diabetic cerebral infarction group was higher(13.64% and 20.45%),and the incidence rate of lacunar infarcts was lower(37.10%vs 65.91%)(P<0.05).The total incidence of arterial plaque in patients in the diabetic cerebral infarction group was 96.77% higher(69.32%),while the incidence of necrotic lipid core plaque was 58.06%higher(26.14%)(P<0.05).Receiver operating characteristic curve analysis was performed to assess the diagnosis utility of these *** in combination with serum endoglin and Gal-3 had the highest area under the curve,the Yoden index,sensitivity and specificity(P<0.05).CONCLUSION The expression of serum endolipin and Gal-3 in elderly patients with diabetes mellitus with cerebral infarction showed an eleva

关键词： Endolipin Galectin-3 Magnetic resonance imaging Elderly Diabetes mellitus Cerebral infarction

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Brain protective effect of dexmedetomidine vs propofol for sedation during prolonged mechanical ventilation in non-brain injured patients

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World Journal of Psychiatry 2024年第3期14卷 370-379页

作者： Hong-Xun Yuan Li-Na Zhang Gang Li Li Qiao Intensive Care Unit Peking University International HospitalBeijing 102206China Central Operating room The Affiliated Beijing Chaoyang Hospital of Capital Medical UniversityBeijing 100020China

BACKGROUND Dexmedetomidine and propofol are two sedatives used for long-term *** remains unclear whether dexmedetomidine provides superior cerebral protection for patients undergoing long-term mechanical *** To compare the neuroprotective effects of dexmedetomidine and propofol for sedation during prolonged mechanical ventilation in patients without brain *** Patients who underwent mechanical ventilation for>72 h were randomly assigned to receive sedation with dexmedetomidine or *** Richmond Agitation and Sedation Scale(RASS)was used to evaluate sedation effects,with a target range of-3 to *** primary outcomes were serum levels of S100-βand neuron-specific enolase(NSE)every 24 *** secondary outcomes were remifentanil dosage,the proportion of patients requiring rescue sedation,and the time and frequency of RASS scores within the target *** A total of 52 and 63 patients were allocated to the dexmedetomidine group and propofol group,*** data were comparable between *** significant differences were identified between groups within the median duration of study drug infusion[52.0(IQR:36.0-73.5)h vs 53.0(IQR:37.0-72.0)h,P=0.958],the median dose of remifentanil[4.5(IQR:4.0-5.0)μg/kg/h vs 4.6(IQR:4.0-5.0)μg/kg/h,P=0.395],the median percentage of time in the target RASS range without rescue sedation[85.6%(IQR:65.8%-96.6%)vs 86.7%(IQR:72.3%-95.3),P=0.592],and the median frequency within the target RASS range without rescue sedation[72.2%(60.8%-91.7%)vs 73.3%(60.0%-100.0%),P=0.880].The proportion of patients in the dexmedetomidine group who required rescue sedation was higher than in the propofol group with statistical significance(69.2%vs 50.8%,P=0.045).Serum S100-βand NSE levels in the propofol group were higher than in the dexmedetomidine group with statistical significance during the first six and five days of mechanical ventilation,respectively(all P<0.05).CONCLUSION Dexmedetomidine demonstrated

关键词： Dexmedetomidine Propofol Sedation Prolonged mechanical ventilation Brain protective

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Association between operative position and postoperative nausea and vomiting in patients undergoing laparoscopic sleeve gastrectomy

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World Journal of Gastrointestinal Surgery 2024年第7期16卷 2088-2095页

作者： Zhao-Peng Li Yan-Cheng Song Ya-Li Li Dong Guo Dong Chen Yu Li Department of Gastrointestinal Surgery The Affiliated Hospital of Qingdao UniversityQingdao 266033Shandong ProvinceChina Department of Operation room The Affiliated Hospital of Qingdao UniversityQingdao 266033Shandong ProvinceChina

BACKGROUND Bariatric surgery is one of the most effective ways to treat morbid obesity,and postoperative nausea and vomiting(PONV)is one of the common complications after bariatric *** present,the mechanism of the high incidence of PONV after weight-loss surgery has not been clearly explained,and this study aims to investigate the effect of surgical position on PONV in patients undergoing bariatric *** To explore the effect of the operative position during bariatric surgery on *** Data from obese patients,who underwent laparoscopic sleeve gastrectomy(LSG)in the authors’hospital between June 2020 and February 2022 were divided into 2 groups and retrospectively *** logistic regression analysis and the t-test were used to study the influence of operative position on *** There were 15 cases of PONV in the supine split-leg group(incidence rate,50%)and 11 in the supine group(incidence rate,36.7%)(P=0.297).The mean operative duration in the supine split-leg group was 168.23±46.24 minutes and 140.60±32.256 minutes in the supine group(P<0.05).Multivariate analysis revealed that operative position was not an independent risk factor for PONV(odds ratio=1.192,95%confidence interval:0.376-3.778,P=0.766).CONCLUSION Operative position during LSG may affect PONV;however,the difference in the incidence of PONV was not statistically *** position should be carefully considered for obese patients before surgery.

关键词： Postoperative nausea and vomiting Bariatric surgery Laparoscopic sleeve gastrectomy Operative positions Obesity

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Prohibitin 1 inhibits cell proliferation and induces apoptosis via the p53-mediated mitochondrial pathway in vitro

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World Journal of Gastrointestinal Oncology 2024年第2期16卷 398-413页

作者： Juan-Juan Shi Yi-Kai Wang Mu-Qi Wang Jiang Deng Ning Gao Mei Li Ya-Ping Li Xin Zhang Xiao-Li Jia Xiong-Tao Liu Shuang-Suo Dang Wen-Jun Wang Department of Infectious Diseases The Second Affiliated Hospital of Xi’an Jiaotong UniversityXi'an 710004Shaanxi ProvinceChina Department of Operating room The Second Affiliated Hospital of Xi’an Jiaotong UniversityXi'an 710004Shaanxi ProvinceChina

BACKGROUND Prohibitin 1(PHB1)has been identified as an antiproliferative protein that is highly conserved and ubiquitously expressed,and it participates in a variety of essential cellular functions,including apoptosis,cell cycle regulation,prolifera-tion,and *** evidence indicates that PHB1 may play an important role in the progression of hepatocellular carcinoma(HCC).However,the role of PHB1 in HCC is *** To investigate the effects of PHB1 on the proliferation and apoptosis of human HCC cells and the relevant mechanisms in *** HCC patients and healthy individuals were enrolled in this study according to the inclusion and exclusion criteria;then,PHB1 levels in the sera and liver tissues of these participates were determined using ELISA,RT-PCR,and *** HepG2 and SMMC-7721 cells were transfected with the pEGFP-PHB1 plasmid and PHB1-specific shRNA(shRNA-PHB1)for 24-72 *** prolif-eration was analysed with an MTT *** cycle progression and apoptosis were analysed using flow cytometry(FACS).The mRNA and protein expression levels of the cell cycle-related molecules p21,Cyclin A2,Cyclin E1,and CDK2 and the cell apoptosis-related molecules cytochrome C(Cyt C),p53,Bcl-2,Bax,caspase 3,and caspase 9 were measured by real-time PCR and Western blot,*** Decreased levels of PHB1 were found in the sera and liver tissues of HCC patients compared to those of healthy individuals,and decreased PHB1 was positively correlated with low differentiation,TNM stage III-IV,and alpha-fetoprotein≥400μg/*** of PHB1 significantly inhibited human HCC cell proliferation in a time-dependent *** revealed that the overexpression of PHB1 arrested HCC cells in the G0/G1 phase of the cell cycle and induced *** proportion of cells in the G0/G1 phase was significantly increased and the proportion of cells in the S phase was decreased in HepG2 cells that were transfected with pEGFP-PHB1 compar

关键词： Prohibitin 1 Hepatocellular carcinoma cells Apoptosis Cell cycle Mitochondrial pathway

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