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Optimizing laser coupling,matter heating,and particle acceleration from solids using multiplexed ultraintense lasers

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Matter and Radiation at Extremes 2024年第4期9卷 16-28页

作者： Weipeng Yao Motoaki nakatsutsumi Sébastien Buffechoux Patrizio Antici Marco Borghesi Andrea Ciardi Sophia n.ch.n Emmanuel d’Humières Laurent Gremillet Robert Heathcote Vojtech Horny Paul McKenna Mark n.Quinn Lorenzo Romagnani Ryan Royle Gianluca Sarri Yasuhiko Sentoku Hans-Peter Schlenvoigt Toma Toncian Olivier Tresca Laura Vassura Oswald Willi Julien Fuchs LULI-CnRS CEASorbonne UniversitéEcole PolytechniqueInstitut Polytechnique de ParisF-91128 Palaiseau CedexFrance Sorbonne Université Observatoire de ParisUniversité PSLCNRSLERMAF-75005 ParisFrance InRS-EMT 1650 BoulLionel-BouletVarennesQuebec J3X 1S2Canada Center for Plasma Physics School of Mathematics and PhysicsQueen’s University BelfastBelfast BT71NNUnited Kingdom “Horia Hulubei”national Institute for Physics and nuclear Engineering 30 Reactorului StreetRO-077125 Bucharest-MagureleRomania University of Bordeaux Centre Lasers Intenses et ApplicationsCNRSCEAUMR 5107F-33405 TalenceFrance CEA DAMDIFF-91297 ArpajonFrance Université Paris-Saclay CEALMCE91680 Bruyères-le-ChatelFrance Central Laser Facility STFC Rutherford Appleton LaboratoryDidcotUnited Kingdom SUPA Department of PhysicsUniversity of StrathclydeGlasgow G40NGUnited Kingdom Department of Physics University of NevadaRenoNevada 89557USA Institute of Laser Engineering Osaka University2-6 YamadaokaSuitaOsaka 565-0871Japan Institut fur Laser und Plasmaphysik Heinrich Heine Universitat DusseldorfDusseldorfGermany

Realizing the full potential of ultrahigh-intensity lasers for particle and radiation generation will require multi-beam arrangements due to technology ***,we investigate how to optimize their coupling with solid ***,we show that overlapping two intense lasers in a mirror-like configuration onto a solid with a large preplasma can greatly improve the generation of hot electrons at the target front and ion acceleration at the target *** underlying mech.nisms are analyzed through multidimensional particle-in-cell simulations,revealing that the self-induced magnetic fields driven by the two laser beams at the target front are susceptible to reconnection,which is one possible mech.nism to boost electron *** addition,the resistive magnetic field generated during the transport of the hot electrons in the target bulk tends to improve their *** simulations also indicate that such effects can be further enhanced by overlapping more than two laser beams.

关键词： laser acceleration particle

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Intraductal Prostatic Carcinoma: Epidemiological and Anatomopathological Aspects in Dakar

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Open Journal of Pathology 2024年第2期14卷 54-63页

作者： Ibou Thiam Fabrice Senghor Omar Sow Kor ndiaye Mohamed Moustapha chérif Dial Anatomical Pathology Department Aristide Le Dantec University Hospital Dakar Senegal Anatomical Pathology Department Peace Hospital Ziguinchor Senegal General Surgery Department Peace Hospital Ziguinchor Senegal Anatomical Pathology Department Idrissa Pouye University Hospital Dakar Senegal

Introduction: Intraductal carcinoma is often associated with high-grade, high-stage adenocarcinoma. Its frequency is variable and it is considered a poor prognostic factor. In our context, when prostatic carcinoma is diagnosed, pathologists do not always report the presence of this anatomopathological entity. We therefore conducted a study to determine the epidemiological and anatomopathological profile of patients with this lesion in Dakar. Materials and Methods: This is a retrospective descriptive study covering a 1-year period from January to December 2022. It focused on cases of intraductal carcinoma diagnosed among prostatic carcinomas collected in the anatomopathology laboratories of Hôpital Général Idrissa Pouye (HOGIP) and Hôpital Militaire de Ouakam (HMO). It was based on archives of anatomopathological reports, blocks and slides. A total of 200 cases of prostatic carcinoma were collated and reviewed to identify those presenting with intraductal carcinoma according to the diagnostic criteria of guo and Epstein. Results: 87 cases of intraductal carcinoma were found, representing 43.5% of prostatic carcinomas. The mean age was 71 years. Patients in their seventh decade were the most represented, i.e. 42.5%. The majority of samples examined were biopsies (72.4%). The mean PSA level was 965.91 ng/ml, with extremes ranging from 0.03 to 10,000 ng/ml. Histologically, 96.5% of cases (n = 84) were invasive prostatic carcinoma. Gleason score 8 (4 + 4) was the most common, accounting for 42.53% (n = 37). On average, the study found four (04) foci of intraductal carcinoma per specimen, with extremes ranging from 1 to 30. Dense cribriform architecture accounted for 78.16%, loose cribriform for 11.5%, solid for 8.04% and micropapillary for 2.3%. Six cases (6.9%) showed foci of comedonecrosis. The vast majority of radical prostatectomies (87.5%) were classified as pT3. node invasion and perineural sheathing were observed in 12.5% and 52.32% of cases respectively. Conclusi

关键词： Intraductal Carcinoma Prostate Pathological Anatomy Senegal

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Predicting hepatocellular carcinoma: A new non-invasive model based on shear wave elastography

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World Journal of Gastroenterology 2024年第25期30卷 3166-3178页

作者： Dong Jiang Yi Qian Yi-Jun gu Ru Wang Hua Yu Hui Dong Dong-Yu ch.n Yan ch.n Hao-Zheng Jiang Bi-Bo Tan Min Peng Yi-Ran Li Department of Ultrasound Eastern Hepatobiliary Surgery HospitalThe Third Affiliated Hospital of Naval Medical UniversityShanghai 200433China Department of Pathology Shanghai Eastern Hepatobiliary Surgery HospitalThird Affiliated Hospital of Naval Medical UniversityShanghai 200433China Department of College of Art and Science Case Western Reserve UniversityClevelandOH 44106United States Ultrasound Diagnosis PLA Naval Medical CenterShanghai 200437China

BACKGROUnD Integrating conventional ultrasound features with 2D shear wave elastography(2D-SWE)can potentially enhance preoperative hepatocellular carcinoma(HCC)*** To develop a 2D-SWE-based predictive model for preoperative identification of *** A retrospective analysis of 884 patients who underwent liver resection and pathology evaluation from February 2021 to August 2023 was conducted at the Oriental Hepatobiliary Surgery *** patients were divided into the modeling group(n=720)and the control group(n=164).The study included conventional ultrasound,2D-SWE,and preoperative laboratory *** logistic regression was used to identify independent predictive factors for RESULTS In the modeling group analysis,maximal elasticity(Emax)of tumors and their peripheries,platelet count,cirrhosis,and blood flow were independent risk indicators for *** factors yielded an area under the curve of 0.77(95%confidence interval:0.73-0.81)with 84%sensitivity and 61%*** model demonstrated good calibration in both the construction and validation cohorts,as shown by the calibration graph and Hosmer-Lemeshow test(P=0.683 and P=0.658,respectively).Additionally,the mean elasticity(Emean)of the tumor periphery was identified as a risk factor for microvascular invasion(MVI)in malignant liver tumors(P=0.003).Patients receiving antiviral treatment differed significantly in platelet count(P=0.002),Emax of tumors(P=0.033),Emean of tumors(P=0.042),Emax at tumor periphery(Pnd Emean at tumor periphery(P=0.003).COnCLUSIOn 2D-SWE’s hardness value serves as a valuable marker for enhancing the preoperative diagnosis of malignant liver lesions,correlating significantly with MVI and antiviral treatment efficacy.

关键词： Shear wave elastography Predicting model Microvascular invasion Antiviral treatment Hepatocellular carcinoma

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2-APQC,a small-molecule activator of Sirtuin-3(SIRT3),alleviates myocardial hypertrophy and fibrosis by regulating mitoch.ndrial homeostasis

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Signal Transduction and Targeted Therapy 2024年第6期9卷 2748-2764页

作者： Fu Peng Minru Liao Wenke Jin Wei Liu Zixiang Li Zhichao Fan Ling Zou Siwei ch.n Lingjuan Zhu Qian Zhao gu Zhan Liang Ouyang ch.ng Peng Bo Han Jin Zhang Leilei Fu West ch.na School of Pharmacy and Department of Biotherapy Cancer Center and State Key Laboratory of BiotherapyWest China HospitalSichuan UniversityChengdu 610041China Sichuan Engineering Research Center for Biomimetic Synthesis of natural Drugs School of Life Science and EngineeringSouthwest Jiaotong UniversityChengdu 610031China State Key Laboratory of Southwestern ch.nese Medicine Resources Hospital of Chengdu University of Traditional Chinese MedicineSchool of PharmacyChengdu University of Traditional Chinese MedicineChengdu 611137China School of Pharmaceutical Sciences Health Science CenterShenzhen UniversityShenzhen 518060China School of Traditional ch.nese Materia Medica Key Laboratory of Structure-Based Drug Design&Discovery of Ministry of EducationShenyang Pharmaceutical UniversityShenyang 110016China

Sirtuin 3(SIRT3)is well known as a conserved nicotinamide adenine dinucleotide^(+)(nAD^(+))-dependent deacetylase located in the mitoch.ndria that may regulate oxidative stress,catabolism and ATP *** evidence has recently revealed that SIRT3 plays its critical roles in cardiac fibrosis,myocardial fibrosis and even heart failure(HF),through its deacetylation ***,discovery of SIRT3 activators and elucidating their underlying mech.nisms of HF should be urgently ***,we identified a new small-molecule activator of SIRT3(named 2-APQC)by the structure-based drug designing strategy.2-APQC was shown to alleviate isoproterenol(ISO)-induced cardiac hypertrophy and myocardial fibrosis in vitro and in vivo rat ***,in SIRT3 knockout mice,2-APQC could not relieve HF,suggesting that 2-APQC is dependent on SIRT3 for its protective ***,2-APQC was found to inhibit the mammalian target of rapamycin(mTOR)-p70 ribosomal protein S6 kinase(p70S6K),c-jun n-terminal kinase(JnK)and transforming growth factor-β(TGF-β)/small mother against decapentaplegic 3(Smad3)pathways to improve ISO-induced cardiac hypertrophy and myocardial *** upon RnA-seq analyses,we demonstrated that SIRT3-pyrroline-5-carboxylate reductase 1(PYCR1)axis was closely assoiated with *** activating PYCR1,2-APQC was shown to enhance mitoch.ndrial proline metabolism,inhibited reactive oxygen species(ROS)-p38 mitogen activated protein kinase(p38MAPK)pathway and thereby protecting against ISO-induced mitoch.ndrialoxidative ***,activation of SIRT3 by 2-APQC could facilitate AMP-activated protein kinase(AMPK)-Parkin axis to inhibit ISO-induced ***,our results demonstrate that 2-APQC is a targeted SIRT3 activator that alleviates myocardial hypertrophy and fibrosis by regulating mitoch.ndrial homeostasis,which may provide a new clue on exploiting a promising drug candidate for the future HF therapeutics.

关键词： SIRT3 homeostasis metabolism

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Unsynchronized butyrophilin molecules dictate cancer cell evasion of Vγ9Vδ2 T-cell killing

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Cellular & Molecular Immunology 2024年第4期21卷 362-373页

作者： Zeguang Wu Qiezhong Lamao Meichao gu Xuanxuan Jin Ying Liu Feng Tian Ying Yu Pengfei Yuan Shuaixin Gao Thomas S.Fulford Adam P.Uldrich Catherine C.L Wong Wensheng Wei Biomedical Pioneering Innovation Center Peking-Tsinghua Center for Life SciencesPeking University Genome Editing Research CenterState Key Laboratory of Protein and Plant Gene ResearchSchool of Life SciencesPeking University100871BeijingChina EdiGene Inc. Life Science ParkChangping District102206BeijingChina Center for Precision Medicine Multi-Omics Research Peking University Health Science CenterPeking University100191BeijingChina Department of Microbiology and Immunology at the Peter Doherty Institute for Infection and Immunity The University of MelbourneParkvilleVIC3010Australia Cancer Immunology Program Peter MacCallum Cancer CentreMelbourneVICAustralia State Key Laboratory for Complex Severe and Rare DiseasesClinical Research InstitutePeking Union Medical College HospitalChinese Academy of Medical Science&Peking Union Medical CollegePeking-Tsinghua Center for Life Sciences100871BeijingChina

Vγ9Vδ2 T cells are specialized effector cells that have gained prominence as immunotherapy agents due to their ability to target and kill cells with altered pyrophosphate *** our effort to understand how cancer cells evade the cell-killing activity of Vγ9Vδ2 T cells,we performed a comprehensive genome-scale CRISPR screening of cancer *** found that four molecules belonging to the butyrophilin(BTn)family,specifically BTn2A1,BTn3A1,BTn3A2,and BTn3A3,are critically important and play unique,nonoverlapping roles in facilitating the destruction of cancer cells by primary Vγ9Vδ2 T *** coordinated function of these BTn molecules was driven by synchronized gene expression,which was regulated by IFn-γsignaling and the RFX ***,an enzyme called QPCTL was shown to play a key role in modifying the n-terminal glutamine of these BTn proteins and was found to be a crucial factor in Vγ9Vδ2 T cell killing of cancer *** our research,we offer a detailed overview of the functional genomic mech.nisms that underlie how cancer cells escape Vγ9Vδ2 T ***,our findings shed light on the importance of the harmonized expression and function of gene family members in modulating T-cell activity.

关键词： Butyrophilin Vγ9Vδ2 T-cell Cancer-specific immune evasion Glutaminyl-peptide cyclotransferase-like Pyrophosphate metabolite Immunotherapy

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基于TLR-4/MyD88/nF-κB对健脾化滞丸治疗溃疡性结肠炎的机制进行拆方研究

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中国免疫学杂志 2024年第5期40卷 1075-1081页

作者：景姗顾玮刘小丽顾庆华南京中医药大学附属南通医院(南通市中医院)脾胃病科南通226001 南通卫生高等职业技术学校南通226010

目的:通过建立脾虚湿蕴型溃疡性结肠炎(UC)大鼠模型,探讨健脾化滞丸及其不同拆方对TLR-4/MyD88/nF-κB通路的影响。方法:64只Wistar大鼠随机分为正常对照组8只、模型组56只,采用中医证候联合乙醇-2,4,6-三硝基苯磺酸灌肠法复制UC大鼠模... 详细信息

目的:通过建立脾虚湿蕴型溃疡性结肠炎(UC)大鼠模型,探讨健脾化滞丸及其不同拆方对TLR-4/MyD88/nF-κB通路的影响。方法:64只Wistar大鼠随机分为正常对照组8只、模型组56只,采用中医证候联合乙醇-2,4,6-三硝基苯磺酸灌肠法复制UC大鼠模型,造模成功后,将模型大鼠随机分为模型组(M)、美沙拉嗪组(A)、健脾化滞丸全方组(B)、健脾清化方组(C)、健脾清化活血方组(D)、健脾清化导滞方组(E)、清化导滞活血方组(F),每组8只,给予相应药物灌胃4周,疗程结束后处死所有大鼠并取材,观察大鼠体质量变化、疾病活动度及结肠病理改变,ELISA及免疫组化检测大鼠结肠组织TnF-α表达;RT-PCR及Western blot检测大鼠结肠组织TLR-4、MyD88、nF-κB mRnA及蛋白表达。结果:健脾化滞丸全方、健脾清化方、健脾清化活血方组及健脾清化导滞方组大鼠体质量明显高于模型组(PnF-κB mRnA及蛋白表达(PnF-κB mRnA及蛋白表达上明显优于健脾清化方组及健脾清化活血方组(PnF-α表达(P0.05)。结论:健脾化滞丸及各拆方均可能通过TLR-4/MyD88/nF-κB通路发挥作用,其中黄连、煨木香、凤尾草、炮姜可能为本方核心药物,对临床具有一定指导意义。

关键词：溃疡性结肠炎健脾化滞丸 TLR-4/MyD88/nF-κB通路 TnF-α

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Genetic variants in C1GALT1 are associated with gastric cancer risk by influencing immune infiltration

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Journal of Biomedical Research 2024年第4期38卷 348-357页

作者： Mengfan guo Jingyuan Liu Yujuan Zhang Jingjing gu Junyi Xin Mulong Du Haiyan chu Meilin Wang Hanting Liu Zhengdong Zhang Departments of Environmental Genomics and Genetic Toxicology the Key Laboratory of Modern Toxicology of Ministry of EducationCenter for Global HealthJiangsu Key Laboratory of Cancer BiomarkersPrevention and TreatmentCollaborative Innovation Center for Cancer Personalized MedicineSchool of Public Health/Institute of Clinical Researchthe Affiliated Taizhou People's Hospital of Nanjing Medical UniversityNanjing Medical UniversityNanjingJiangsu 211166China Departments of Environmental Genomics and Genetic Toxicology the Key Laboratory of Modern Toxicology of Ministry of EducationCenter for Global HealthJiangsu Key Laboratory of Cancer BiomarkersPrevention and TreatmentCollaborative Innovation Center for Cancer Personalized MedicineSchool of Public HealthNanjing Medical UniversityNanjingJiangsu 211166China Department of Bioinformatics School of Biomedical Engineering and InformaticsNanjing Medical UniversityNanjingJiangsu 211166China Department of Biostatistics Center for Global HealthSchool of Public HealthNanjing Medical UniversityNanjingJiangsu 211166China

Core 1 synthase glycoprotein-n-acetylgalactosamine 3-β-galactosyltransferase 1(C1GALT1)is known to play a critical role in the development of gastric cancer,but few studies have elucidated associations between genetic variants in C1GALT1 and gastric cancer *** using the genome-wide association study data from the database of Genotype and Phenotype(dbGAP),we evaluated such associations with a multivariable logistic regression model and identified that the rs35999583 G>C in C1GALT1 was associated with gastric cancer risk(odds ratio,0.83;95% confidence interval[CI],0.75-0.92;P=3.95×10^(-4)).C1GALT1 mRnA expression levels were significantly higher in gastric tumor tissues than in normal tissues,and gastric cancer patients with higher C1GALT1 mRnA levels had worse overall survival rates(hazards ratio,1.33;95%CI,1.05-1.68;P_(log-rank)=1.90×10^(-2)).Furthermore,we found that C1GALT1 copy number differed in various immune cells and that C1GALT1 mRnA expression levels were positively correlated with the infiltrating levels of CD4^(+)T cells and *** results suggest that genetic variants of C1GALT1 may play an important role in gastric cancer risk and provide a new insight for C1GALT1 into a promising predictor of gastric cancer susceptibility and immune status.

关键词： O-glycosylation genetic variants immune status gastric cancer

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碳纳米管纤维基热电器件的制备及其性能研究

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丝绸 2024年第2期61卷 60-66页

作者：余龙邱华顾鹏江南大学纺织科学与工程学院江苏无锡214122

利用温差发电的柔性热电器件具有可持续、环保和可穿戴的优点,但是多数热电器件需要利用金属电极相互连接,这在一定程度上降低了热电器件的整体性能。本文利用OA和FeCl 3对碳纳米管纤维进行n型和P型掺杂,制备了无需金属电极连接的具有连... 详细信息

利用温差发电的柔性热电器件具有可持续、环保和可穿戴的优点,但是多数热电器件需要利用金属电极相互连接,这在一定程度上降低了热电器件的整体性能。本文利用OA和FeCl 3对碳纳米管纤维进行n型和P型掺杂,制备了无需金属电极连接的具有连续P-n结构的热电纤维,并且利用热电纤维制备了3D热电器件。结果显示,n型和P型碳纳米管纤维基热电纤维分别具有-69.7、62.2μV K的高塞贝克系数和552.9、431.4μW(m·K 2)的高功率因数,3D热电器件能够利用人体与环境之间垂直方向上的温差产生开路电压,并可用作简单的温度传感器。这种3D热电器件具有优异的热电性能,在柔性自供电领域有广泛的应用前景。

关键词：碳纳米管纤维 P-n结构热电纤维热电器件温度传感器

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Tongxinluo Activates PI3K/AKT Signaling Pathway to Inhibit Endothelial Mesenchymal Transition and Attenuate Myocardial Fibrosis after Ischemia-Reperfusion in Mice

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ch.nese Journal of Integrative Medicine 2024年第7期30卷 608-615页

作者： WEI Ya-ru HOU Yun-long YIn Yu-jie LI Zhen LIU Yi HAn ning-xin WAnG Zi-xuan LIU Lu WAnG Xiao-qi HAO Yuan-jie MA Kun gu Jiao-jiao JIA Zhen-hua Graduate School Hebei University of Chinese MedicineShijiazhuang050090China Shijiazhuang Yiling Pharmaceutical new Drug Evaluation Center Shijiazhuang050035China Hebei Institute of Integrated Traditional and Western Medicine Shijiazhuang050035China national Key Laboratory for Innovation and Transformation of Luobing Theory Shijiazhuang050035China Department of Cardiology Hebei Yiling HospitalShijiazhuang050091China Graduate School Hebei Medical UniversityShijiazhuang050017China

Objective To investigate the potential role of Tongxinluo(TXL)in attenuating myocardial fibrosis after myocardial ischemia-reperfusion injury(MIRI)in *** A MIRI mouse model was established by left anterior descending coronary artery ligation for 45 *** to a random number table,66 mice were randomly divided into 6 groups(n=11 per group):the sham group,the model group,the LY-294002 group,the TXL group,the TXL+LY-294002 group and the benazepril(BnPL)*** day after modeling,TXL and BnPL were administered by *** injection of LY-294002 was performed twice a week for 4 consecutive *** was used to measure cardiac function in *** staining was used to evaluate the degree of myocardial fibrosis in *** and quantitative analysis of endothelial mesenchymal transition(EndMT)after MIRI was performed by immunohistochemistry,immunofluorescence staining and flow cytometry,*** protein expressions of platelet endothelial cell adhesion molecule-1(CD31),α-smoth muscle actin(α-SMA),phosphatidylinositol-3-kinase(PI3K)and phospho protein kinase B(p-AKT)were assessed using Western *** TXL improved cardiac function in MIRI mice,reduced the degree of myocardial fibrosis,increased the expression of CD31 and inhibited the expression ofα-SMA,thus inhibited the occurrence of EndMT(Pnificantly increased the protein expressions of PI3K and p-AKT(Pno significant difference between TXL and BnPL group(P>0.05).In addition,the use of the PI3K/AKT pathway-specific inhibitor LY-294002 to block this pathway and combination with TXL intervention,eliminated the protective effect of TXL,further supporting the protective effect of *** TXL activated the PI3K/AKT signaling pathway to inhibit EndMT and attenuated myocardial fibrosis after MIRI in mice.

关键词： myocardial fibrosis endothelial mesenchymal transition myocardial ischemia-reperfusion injury phosphatidylinositol-3-kinase/protein kinase B(PI3K/AKT)pathway

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胸腰椎融合术患者术后胃肠功能障碍的危险因素分析

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中华医学杂志 2024年第3期104卷 186-191页

作者：郑旭顾小萍王琛南京医科大学附属苏州医院麻醉科苏州215008 南京鼓楼医院麻醉科南京210008 南京医科大学附属苏州科技城医院麻醉科苏州215153

目的分析胸腰椎融合术患者发生术后胃肠功能障碍(POGD)的危险因素。方法回顾性分析南京鼓楼医院2021年1至12月434例接受胸腰椎融合术患者的临床资料。根据POGD发生情况分为POGD组(n=70)和非POGD组(n=364)。比较两组患者的临床资料,采用... 详细信息

目的分析胸腰椎融合术患者发生术后胃肠功能障碍(POGD)的危险因素。方法回顾性分析南京鼓楼医院2021年1至12月434例接受胸腰椎融合术患者的临床资料。根据POGD发生情况分为POGD组(n=70)和非POGD组(n=364)。比较两组患者的临床资料,采用二元logistic回归分析患者发生POGD的危险因素。结果POGD组男23例,女47例,年龄(60±6)岁;非POGD组男133例,女231例,年龄(62±7)岁。两组患者手术时长、出血量、术中椎管减压、术中低血压、术后24 h白细胞计数、术后24 h C反应蛋白、术后住院时间差异均有统计学意义(均P<0.05)。二元logistic回归分析显示,术中进行椎管减压(OR=2.368,95%CI:1.365~4.106,P=0.002)、出血量≥10.9 ml/kg(OR=2.115,95%CI:1.166~3.835,P=0.014)、术后24 h白细胞计数≥15.2×10^(9)/L(OR=3.580,95%CI:1.773~7.226,P<0.001)、术中低血压(OR=2.019,95%CI:1.080~3.773,P=0.028)是胸腰椎融合术后患者发生POGD的危险因素;使用地塞米松是保护因素(OR=0.408,95%CI:0.218~0.762,P=0.005)。结论胸腰椎融合术中进行椎管减压、出血量≥10.9 ml/kg、术后24 h白细胞计数≥15.2×10^(9)/L、术中低血压是患者发生POGD的危险因素,使用地塞米松是保护因素。

关键词：脊柱融合术术后胃肠功能障碍危险因素

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