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Effects of higher femoral tunnels on clinical outcomes,MRI,and second-look findings in double-bundle anterior cruciate ligament reconstruction with a minimal 5-year follow-up

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Chinese Medical Journal 2024年第4期137卷 465-472页

作者： lin lin Haijun Wang Jian Wang Yongjian Wang Yourong Chen Jiakuo Yu Sports Medicine Department Beijing Key Laboratory of Sports InjuriesPeking University Third HospitalBeijing 100191China Peking University Institute of Sports Medicine Beijing 100191China

Background:To perform anatomical anterior cruciate ligament reconstruction(ACLR),tunnels should be placed relatively higher in the femoral anterior cruciate ligament(ACL)footprint based on the findings of direct and indirect femoral insertion.But the clinical results of higher femoral tunnels(HFT)in double-bundle ACLR(DB-ACLR)remain unclear.The purpose was to investigate the clinical results of HFT and lower femoral tunnels(LFT)in DB-ACLR.Methods:From September 2014 to February 2016,83 patients who underwent DB-ACLR and met the inclusion and exclusion criteria were divided into HFT-ACLR(group 1,n=37)and LFT-ACLR(group 2,n=46)according to the position of femoral tunnels.Preoperatively and at the final follow-up,clinical scores were evaluated with International Knee Documentation Committee(IKDC),Tegner activity,and Lysholm score.The stability of the knee was evaluated with KT-2000,Lachman test,and pivot-shift test.Cartilage degeneration grades of the International Cartilage Repair Society(ICRS)were evaluated on magnetic resonance imaging(MRI).Graft tension,continuity,and synovialization were evaluated by second-look arthroscopy.Return-to-sports was assessed at the final follow-up.Results:Significantly better improvement were found for KT-2000,Lachman test,and pivot-shift test postoperatively in group 1(P>0.05).Posterolateral bundles(PL)showed significantly better results in second-look arthroscopy regarding graft tension,continuity,and synovialization(P0.05).No statistically significant differences were found in IKDC subjective score,Tegner activity,and Lysholm score between the two groups.Higher return-to-sports rate was found in group 1 with 86.8%(32/37)vs.65.2%(30/46)in group 2(P=0.027).Conclusion:The HFT-ACLR group showed better stability results,better PL,and higher return-to-sports rate compared to the LFT-ACLR group.

关键词： Anterior cruciate ligament reconstruction Direct insertion Double bundle Second-look arthroscopy Femoral tunnel Anterior cruciate ligament rupture

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Set Stabilization of Large-Scale Stochastic Boolean Networks:A Distributed Control Strategy

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IEEE/CAA Journal of Automatica Sinica 2024年第3期11卷 806-808页

作者： lin lin Jinde Cao Jianquan Lu Leszek Rutkowski the Department of Mechanical Engineering the University of Hong KongHong Kong China the School of Mathematics Southeast UniversityNanjing 210096China IEEE the School of Mathematics and the Frontiers Science Center for Mobile Information Communication and Security Southeast UniversityNanjing 210096China the School of Mathematics the Southeast UniversityNanjing 210096 the School of Electronic Information and Electrical Engineering Chengdu UniversityChengdu 610106China the Systems Research Institute of the Polish Academy of Sciences Warsaw 01-447 the Institute of Computer Science AGH University of Science and TechnologyKraków 30-059 the Information Technology Institute University of Social SciencesŁódź90-113Poland

Dear Editor,This letter deals with the set stabilization of stochastic Boolean control networks(SBCNs)by the pinning control strategy,which is to realize the full control for systems by imposing control inputs on a fr... 详细信息

关键词： Boolean stabilization letter

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Correlation Study on Grain Size Characteristics and Geotechnical Properties of Surface Sediments in Qingdao Offshore Area

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Journal of Ocean University of China 2024年第3期23卷 721-730页

作者： LI Anlong WANG Panpan GUO Xijun JI Xiangkun SHEN Kunming lin lin YAN Zhichao YUAN lin Key Laboratory of Submarine Geosciences and Prospecting Techniques Ministry of Education and College of Marine GeosciencesOcean University of ChinaQingdao 266100China College of Marine Geoscience Ocean University of ChinaQingdao 266100China China Construction Second Engineering Bureau Co. LTDYueyang 414000China Tianjin Research Institute for Water Transport Engineering M.O.T.Tianjin 3000456China Lianyungang Xuwei Port Holding Group Co. Ltd.Lianyungang 222042China

The comprehension of sediment grain size parameters and the corresponding sedimentary environment holds paramount importance in elucidating the engineering geological attributes of the subaqueous seabed.This study delineated the sedimentary environment zoning in the northern sea area of Qingdao through cluster analysis of grain size parameters derived from 123 surface sediment samples.The study analyzed the correlation between sediment geotechnical indices and grain size parameters across diverse sedimentary environments.A correlation equation was established for samples exhibiting a strong correlation.The study found four distinct sedimentary environments in the study area:coastal,transitional,shallow sea,and residual.Within the same sedimentary environment,the average grain size and sorting coefficient exhibit significant correlations with geotechnical indices such as water content,density,shear strength,plastic limit,liquid limit,and plastic index.However,notable disparities in the correlation between grain size parameters and geotechnical indices emerge across different sedimentary environments.

关键词： grain size parameters cluster analysis sedimentary environment correlations geotechnical indexes

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Ferroelectric-controlled graphene plasmonic surfaces for all-optical neuromorphic vision

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Science China(Technological Sciences) 2024年第3期67卷 765-773页

作者： CHEN JianBo LIU Yu LI ShangDong lin lin LI YaDong HUANG Wen GUO JunXiong School of Electronic Information and Electrical Engineering Institute for Advanced StudyChengdu UniversityChengdu 610106China School of Integrated Circuits Tsinghua UniversityBeijing 100084China School of Integrated Circuits(National Exemplary Schoolof Microelectronics) Universityof Electronic Science and Technologyof China Chengdu 610054China Jincheng Research Institute of Opto-mechatronics Industry Jincheng 048000China Shanxi Key Laboratory of Advanced Semiconductor Optoelectronic Devices and Integrated Systems Jincheng 048000China Engineering Research Center of Digital Imaging and Display Ministry of EducationSoochow UniversitySuzhou 215006China

Artificial visual systems can recognize desired objects and information from complex environments, and are therefore highly desired for pattern recognition, object detection, and imaging applications. However, state-of-the-art artificial visual systems with high recognition performances that typically consist of electronic devices face the challenges of requiring huge storage space and high power consumption owing to redundant data. Here, we report a terahertz(THz) frequency-selective surface using a graphene split-ring resonator driven by ferroelectric polarization for efficient visual system applications. The downward polarization of the ferroelectric material offers an ultrahigh electrostatic field for doping p-type graphene with an anticipated Fermi level. By optimizing the geometric parameters of the devices and modulating the carrier behaviors of graphene, our plasmonic devices exhibit a tunable spectral response in a range of 1.7–6.0 THz with continuous transmission values. The alloptical neural network using graphene plasmonic surfaces designed in this study exhibited excellent performance in visual preprocessing and convolutional filtering and achieved an ultrahigh recognition accuracy of up to 99.3% in training the Modified National Institute of Standards and Technology(MNIST) handwritten digit dataset. These features demonstrate the great potential of graphene plasmonic devices for future smart artificial vision systems.

关键词： graphene plasmon ferroelectric frequency selective surface artificial vision system

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Clinical analysis of colistin sulfate in the treatment of pneumonia caused by carbapenem-resistant Gram-negative bacteria

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World Journal of Clinical Cases 2024年第13期12卷 2173-2181页

作者： Hai-Chang Xu Yan Cui Xue-Ying Wang Hai-Bo Wu Wei Li Dan Wang Na lin lin lin Ying-Hui Zhang Department of Intensive Care Medicine The General Hospital of the Northern Theater Command of the People's Liberation Army of ChinaShenyang 110016Liaoning ProvinceChina

BACKGROUND Multidrug-resistant Gram-negative bacteria,exacerbated by excessive use of antimicrobials and immunosuppressants,are a major health threat.AIM To study the clinical efficacy and safety of colistin sulfate in the treatment of carbapenem-resistant Gram-negative bacilli-induced pneumonia,and to provide theoretical reference for clinical diagnosis and treatment.METHODS This retrospective analysis involved 54 patients with Gram-negative bacilli pneumonia admitted to intensive care unit of The General Hospital of the Northern Theater Command of the People's Liberation Army of China from August 2020 to June 2022.After bacteriological culture,the patients'airway secretions were collected to confirm the presence of Gram-negative bacilli.The patients were divided into the experimental and control groups according to the medication used.The research group consisted of 28 patients who received polymyxin sulfate combined with other drugs through intravenous,nebulization,or intravenous combined with nebulization,with a daily dosage of 1.5–3.0 million units.The control group consisted of 26 patients who received standard dosages of other antibiotics(including sulbactam sodium for injection,cefoperazone sodium sulbactam for injection,tigecycline,meropenem,or vaborbactam).RESULTS Of the 28 patients included in the research group,26 patients showed improvement,treatment was ineffective for two patients,and one patient died,with the treatment efficacy rate of 92.82%.Of the 26 patients in the control group,18 patients improved,treatment was ineffective for eight patients,and two patients died,with the treatment efficacy rate of 54.9%;significant difference was observed between the two groups(P<0.05).The levels of white blood cell(WBC),procalcitonin(PCT),and C-reactive protein(CRP)in both groups were significantly lower after treatment than before treatment(P<0.05),and the levels of WBC,PCT,and CRP in the research group were significantly lower than those in the control group(P<0.05).Compared with before treatment,there we

关键词： Colistin sulfate Extensively drug-resistant Pneumonia Intravenous combined with nebulization Sepsis Nephrotoxicity Neurotoxicity

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Early-life famine exposure,adulthood obesity patterns,and risk of low-energy fracture

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Frontiers of Medicine 2024年第1期18卷 192-203页

作者： Hongyan Qi Chunyan Hu Jie Zhang lin lin Shuangyuan Wang Hong lin Xiaojing Jia Yuanyue Zhu Yi Zhang Xueyan Wu Mian Li Min Xu Yu Xu Tiange Wang Zhiyun Zhao Weiqing Wang Yufang Bi Meng Dai Yuhong Chen Jieli Lu Department of Endocrine and Metabolic Diseases Shanghai Institute of Endocrine and Metabolic DiseasesRuijin HospitalShanghai Jiao Tong University School of MedicineShanghai200025China Shanghai National Clinical Research Center for Endocrine and Metabolic Diseases Key Laboratory for Endocrine and Metabolic Diseases of the National Health Commission of the People’s Republic of ChinaShanghai National Center for Translational MedicineRuijin HospitalShanghai Jiao Tong University School of MedicineShanghai200025China

Malnutrition in early life increases the risk of osteoporosis,but the association of early-life undernutrition combined with adulthood obesity patterns with low-energy fracture remains unknown.This study included 5323 community-dwelling subjects aged⩾40 years from China.Early-life famine exposure was identified based on the participants’birth dates.General obesity was assessed using the body mass index(BMI),and abdominal obesity was evaluated with the waist-to-hip ratio(WHR).Low-energy fracture was defined as fracture occurring after the age of⩾40 typically caused by falls from standing height or lower.Compared to the nonexposed group,the group with fetal,childhood,and adolescence famine exposure was associated with an increased risk of fracture in women with odds ratios(ORs)and 95%confidence intervals(CIs)of 3.55(1.57–8.05),3.90(1.57–9.71),and 3.53(1.05–11.88),respectively,but not in men.Significant interactions were observed between fetal famine exposure and general obesity with fracture among women(P for interaction=0.0008).Furthermore,compared with the groups with normal BMI and WHR,the group of women who underwent fetal famine exposure and had both general and abdominal obesity had the highest risk of fracture(OR,95%CI:3.32,1.17–9.40).These results indicate that early-life famine exposure interacts with adulthood general obesity and significantly increases the risk of low-energy fracture later in life in women.

关键词： famine obesity body mass index waist-to-hip ratio low-energy fracture

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Efficacy and safety of utidelone for the treatment of patients with locally advanced or metastatic non-small-cell lung cancer who have failed standard second-line treatment:A phase 2 clinical trial(BG01-1801)

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Cancer Pathogenesis and Therapy 2024年第2期2卷 103-111页

作者： Yuankai Shi Gongyan Chen Yanqiu Zhao Jing Zhao lin lin Department of Medical Oncology National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences&Peking Union Medical CollegeBeijing Key Laboratory of Clinical Study On Anticancer Molecular Targeted DrugsBeijing 100021China Department of Respiration Harbin Medical University Cancer HospitalHarbinHeilongjiang 150040China Respiratory Department of Internal Medicine Henan Provincial Cancer HospitalZhengzhouHenan 450003China Department of Pulmonary and Critcal Care Medicine Peking Union Medical College HospitaChinese Academy of Medical Sciences&Peking Union Medical College Beijing100021China

Background:Chemotherapy remains the standard-of-care for many patients with locally advanced or metastatic non-small-cell lung cancer(NSCLC),but acquired resistance presents challenges.The aim of this open-label,multicenter phase 2 clinical trial was to determine the efficacy and safety of utidelone,a novel genetically engineered epothilone analog and microtubule-stabilizing agent,as a third-or later-line treatment for locally advanced ormetastatic NSCLC.Methods:Patients who had failed standard second-line treatment(including platinum-containing chemotherapy or targeted therapy)received utidelone(40 mg/m?via intravenous injection daily,day 1-5)every 21 days.The primary endpoint was the objective response rate(ORR).Secondary endpoints were the duration of response(DoR),progression-free survival(PFS),overall survival(OS),and safety.Results:From March 12,2019 to January 18,2021,26 pretreated patients with locally advanced or metastatic NSCLC(100%of patients had received prior platinum and 65.4%patients had received prior taxane treatment)were enrolled(80.8%of patients had adenocarcinoma).At baseline,nine(34.6%)patients had received secondline treatment,10(38.5%)patients had received third-line treatment,and seven(26.9%)patients had received fourth-or later-line treatment.By the data cut-off date of August 10,2021,the median follow-up was 7.49 months(range,1.4-26.7 months).The ORR was 15.4%(95%confidence interval[CI],4.4%-34.9%)in the intention-totreat(ITT)cohort(N=26)and 19.0%(95%CI,5.4%-41.9%)in the per-protocol(PP)cohort(N=21).The disease control rate was 69.2%(95%CI,48.2%-85.7%)and 81.0%(95%CI,58.1%-94.6%)in the ITT and PP cohorts,respectively.The median DoR was 4.1 months(95%CI,3.1-5.1 months)in the ITT cohort.The median PFS was 4.37 months(95%CI,2.50-5.29 months)in the ITT cohort and 4.37 months(95%CI,2.50-9.76 months)in the PP cohort.The median OS was not reached,and the 12-month OS rate was 69%(95%CI,45.1%-84.1%).Grade 3/4 treatment-emergent adverse events occurred in 38.5%of patients,and the most common was

关键词： Utidelone Locally advanced or metastatic non-small-cell lung cancer Efficacy Platinum-and taxane-refractory

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Discussion on Land Use Mode Reform in Coal Opencast Mining

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Asian Agricultural Research 2024年第1期16卷 25-28页

作者： Hong ZHANG lin lin CCTEG Shenyang Engineering Company Shenyang 110015China

The existing land supply mode of opencast mining is"land requisition first,then transfer",which lacks an effective recovery and withdrawal mechanism,and the reclaimed mining land is difficult to withdraw.According to the regular rules of coal opencast mining and the periodic characteristics of land use,this paper puts forward a new mode of temporary land use for coal opencast mining.It is conducive to im-proving the quality and scale of land use and reclamation utilization of opencast coal mining,and is of great significance for exploring and for-mulating reasonable land use policies for mineral resources development projects.

关键词： Opencast mine Temporary land use Land requisition Reclamation Withdrawal mechanism

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Analysis of the Application and Effect of Homemade Medical Scrotal Support Shorts

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Journal of Clinical and Nursing Research 2024年第2期8卷 244-248页

作者： Jianbin Cheng Xiaohui Liu lin lin Fujian Provincial Geriatric Hospital(Fujian Provincial College of Vocational Health Technology Teaching Hospital) Fuzhou 350003Fujian ProvinceChina

Objective:To design and manufacture medical scrotal support shorts for patients with enlarged scrotum and observe its application and effect.Methods:40 patients with enlarged scrotum admitted to the basic surgery department from February 2021 to March 2023 were selected and divided into a test group and a control group according to their time of admission,with the test group using scrotal support shorts and the control group using ordinary shorts without scrotal support pockets or diapers.Results:The complication rate of skin injury in the scrotum and the surrounding inguinal area of the patients in the test group was significantly lower than that of the control group(P<0.01).The medical cost covered by patients in the test group was significantly lower than that of the control group(P<0.01)and the hospitalization satisfaction of the patients in the test group was significantly higher than that of the control group(P<0.01).The difference in the therapeutic effect of the test groups was statistically significant when compared with the control group(P<0.05).Conclusion:Homemade medical scrotal support shorts reduced the local enlargement of the scrotum and bleeding,but also protected the scrotum and the surrounding skin to prevent secondary injuries.The process of patient care was simple and promoted their recovery.The length of hospitalization was also decreased,the burden of health care costs was reduced,and the overall comfort and satisfaction of the patient was improved.

关键词： Enlarged scrotum Medical scrotal support shorts Nursing care

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Discussion on Dust Removal(Suppression)System of Crushing Station in Open-Pit Coal Mine

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Asian Agricultural Research 2024年第2期16卷 18-21页

作者： Hong ZHANG lin lin Bo CAO Shenyang Engineering Company China Coal Technology Engineering Group(CCTEG)Shenyang 110015China

This paper introduces the method of coal dust treatment in crushing station and the present situation of dust removal system in typical open-pit coal mine crushing station in China,and expounds the research idea of determining comprehensive dust removal(suppression)system in crushing station inspired by the working principle of"range hood".Based on the design example and link optimization of the crush-ing station of open-pit coal mine I of Thar coalfield,this paper finally draws some conclusions on the key technologies of dust removal(suppression)system of open-pit coal mine crushing station.This study has certain reference value for the technical innovation of dust removal(suppression)system in crushing station,the realization of green mining in"crushing link",and the reduction and avoidance of ecological environment pollution in mining area.

关键词： Crushing station Closed dust cover Wind curtain wall Air volume simulation Dust suppression by spraying

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