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Examining the“revisability”benefit of hip resurfacing arthroplasty

World journal of Orthopedics 2024年第6期15卷 554-559页

作者： jose george Adam j Taylor Thomas P Schmalzried Department of Orthopedics Harbor UCLA Medical CenterTorranceCA 90509United States

BACKGROUND Hip resurfacing arthroplasty(HRA)is an alternative to total hip arthroplasty(THA)that is typically reserved for young active patients because it preserves ***,the benefits of HRA only hold true if conversion THA after failed HRA provides acceptable *** To compare patient reported outcomes for conversion THA after HRA failure to primary *** A retrospective review of 36 patients(37 hips)that underwent conversion THA for failed HRA between October 2006 and May 2019 by a single surgeon was *** reported outcomes[modified Harris Hip Score(mHHS),University of California Los Angeles(UCLA)activity score]were obtained via an email-based responder-anonymous *** were compared to normative data of a primary THA cohort with similar *** analysis was performed comparing outcomes of conversion THA for adverse local tissue reaction(ALTR)vs all other causes for *** The study group had a lower mHHS than the control group(81.7±13.8 vs 90.2±11.6,P<0.01);however,both groups had similar UCLA activity levels(7.5±2.3 vs 7.2±1.6,P=0.51).Patients that underwent conversion for non-ATLR causes had similar mHHS(85.2±11.5 vs 90.2±11.6,P=0.11)and higher UCLA activity levels(8.5±1.8 vs 7.2±1.6,P<0.01)compared to the control *** that underwent conversion for ATLR had worse mHHS(77.1±14.5 vs 90.2±11.6,P<0.01)and UCLA activity levels(6.1±2.3 vs 7.2±1.6,P=0.05)when compared to the control *** Patient outcomes equivalent to primary THA can be achieved following HRA conversion to ***,inferior outcomes were demonstrated for ALTR-related HRA *** selection and perhaps further studies examining alternative HRA bearing surfaces should be considered.

关键词： Total hip arthroplasty Hip resurfacing arthroplasty Conversion total hip arthroplasty Adverse local tissue reaction Patient reported outcome measures

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Genetics of Gallstone Disease and Their Clinical Significance: A Narrative Review

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journal of Clinical and Translational Hepatology 2024年第3期12卷 316-326页

作者： Christopher j.Costa Minh Thu T.Nguyen Haleh Vaziri george Y.Wu Department of Medicine University of Connecticut Health CenterFarmingtonCTUSA Division of Gastroenterology and Hepatology University of Connecticut Health CenterFarmingtonCTUSA

Gallstone(GS)disease is common and arises from a combination of genetic and environmental *** genetic abnormalities specifically leading to cholesterol GSs are rare,there are clinically significant gene variants associated with cholesterol *** contrast,most bilirubin GSs can be attributed to genetic *** pathogenesis of cholesterol and bilirubin GSs differs *** GSs are notably influenced by genetic variants within the ABC protein superfamily,including ABCG8,ABCG5,ABCB4,and ABCB11,as well as genes from the apolipoprotein family such as ApoB100 and ApoE(especially the E3/E3 and E3/E4 variants),and members of the MUC ***,bilirubin GSs are associated with genetic variants in highly expressed hepatic genes,notably UGT1A1,ABCC2(MRP2),ABCC3(MRP3),CFTR,and MUC,alongside genetic defects linked to hemolytic anemias and conditions impacting *** genetic cases constitute a small portion of GS disease,recognizing genetic predisposition is essential for proper diagnosis,treatment,and genetic counseling.

关键词： Gallstones Cholelithiasis ATP-binding cassette transporters ABCG8 protein Human UDP-glucuronosyltransferase A1

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Adaptive Random Effects/Coefficients Modeling

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Open journal of Statistics 2024年第2期14卷 179-206页

作者： george j. Knafl School of Nursing University of North Carolina at Chapel Hill Chapel Hill USA

Adaptive fractional polynomial modeling of general correlated outcomes is formulated to address nonlinearity in means, variances/dispersions, and correlations. Means and variances/dispersions are modeled using generalized linear models in fixed effects/coefficients. Correlations are modeled using random effects/coefficients. Nonlinearity is addressed using power transforms of primary (untransformed) predictors. Parameter estimation is based on extended linear mixed modeling generalizing both generalized estimating equations and linear mixed modeling. Models are evaluated using likelihood cross-validation (LCV) scores and are generated adaptively using a heuristic search controlled by LCV scores. Cases covered include linear, Poisson, logistic, exponential, and discrete regression of correlated continuous, count/rate, dichotomous, positive continuous, and discrete numeric outcomes treated as normally, Poisson, Bernoulli, exponentially, and discrete numerically distributed, respectively. Example analyses are also generated for these five cases to compare adaptive random effects/coefficients modeling of correlated outcomes to previously developed adaptive modeling based on directly specified covariance structures. Adaptive random effects/coefficients modeling substantially outperforms direct covariance modeling in the linear, exponential, and discrete regression example analyses. It generates equivalent results in the logistic regression example analyses and it is substantially outperformed in the Poisson regression case. Random effects/coefficients modeling of correlated outcomes can provide substantial improvements in model selection compared to directly specified covariance modeling. However, directly specified covariance modeling can generate competitive or substantially better results in some cases while usually requiring less computation time.

关键词： Adaptive Regression Correlated Outcomes Extended Linear Mixed Modeling Fractional Polynomials Likelihood Cross-Validation Random Effects/Coefficients

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An Analysis of Specific Categories of Birth Defects and Developmental Disabilities for Children of Participants of the Air Force Health Study

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Open journal of Epidemiology 2024年第2期14卷 312-330页

作者： george j. Knafl School of Nursing University of North Carolina at Chapel Hill Chapel Hill NC USA

Background: The Air Force Health Study collected reproductive outcomes for live-born children of male Air Force veterans of the Vietnam War. Methods: Dioxin values for participants were obtained from blood samples. Analyses were conducted of occurrence of 16 specific categories of birth defects and developmental disabilities. Children were categorized as conceived before and after the start of participants’ Vietnam War service. Children conceived before the start of Vietnam War service were treated as being conceived when their fathers had unquantifiable dioxin values. Children conceived after the start of Vietnam War service for participants with missing dioxin values were excluded from primary analyses, but were used to assess the impact of their exclusion on conclusions. Correlation between values for specific categories for multiple children fathered by the same participant was accounted for. The dose-response relationship was treated as a step function increasing for dioxin values larger than adaptively identified individual thresholds changing with the specific category. Results: For 15 of 16 specific categories, the probability of occurrence increased substantially for a sufficiently high dioxin level above identified thresholds. Exclusion of children due to missing dioxin likely did not affect these results. Conclusions: Results supported the conclusion of substantial adverse effects on a wide variety of specific categories of birth defects and developmental disabilities due to sufficiently high exposures to dioxin, a toxic contaminant of Agent Orange used for herbicide spraying in the Vietnam War. Results may hold more generally, but might also have been affected by a variety of limitations.

关键词： Agent Orange Air Force Health Study Birth Defects Developmental Disabilities Dioxin Dose-Response Relationship Vietnam War

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Thermochemical co-conversion of biomass-plastic waste to biochar:a review

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Green Chemical Engineering 2024年第1期5卷 31-49页

作者： Adewale george Adeniyi Kingsley O.Iwuozor Ebuka Chizitere Emenike Oluwaseun j.Ajala Samuel Ogunniyi Kabir B.Muritala Department of Chemical Engineering Faculty of Engineering and TechnologyUniversity of IlorinIlorinP.M.B.1515Nigeria Department of Chemical Engineering Landmark UniversityOmu-AranKwara StateP.M.B.1001Nigeria Department of Pure and Industrial Chemistry Nnamdi Azikiwe UniversityAwkaP.M.B.5025Nigeria Department of Chemistry Federal University of TechnologyBosso CampusMinnaNiger StateP.M.B.65Nigeria

Biomass and plastics are two of the most common municipal solid wastes globally that have continuously placed a burden on the *** is therefore important that they are properly *** coconversion offers a valuable opportunity to recycle biomass and plastics simultaneously into biochar,which reduces the time and cost of recycling them individually while producing a material with a wide range of *** study is a review of published literature that discusses the thermochemical co-processing of biomass and plastic wastes into *** was observed that co-pyrolysis and co-hydrothermal carbonization are the most commonly utilized technologies for this *** characteristics of different biomass and plastics that have been thermochemically converted into biochar were *** properties of the resulting biochar are affected by the feedstock composition,pre-treatment and blending ratio,the reactor’s configuration,reaction temperature,and the presence of a *** studies found that treating the feedstocks separately resulted in a lower yield of biochar than processing them *** biochar created by this procedure has been used as a soil additive and as an adsorbent for water *** perspectives and suggestions,such as the necessity for some technical advancement,biochar’s economic benefits,improved government participation,and raised social awareness,were also *** factors have the potential to propel this field of study to great horizons.

关键词： Biomass Co-pyrolysis Plastic Thermochemical process Valorization

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Echocardiographic predictors and associated outcomes of multiple vegetations in infective endocarditis:A pilot study

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World journal of Cardiology 2024年第6期16卷 318-328页

作者： Ajay Kumar Mishra Kannu Bansal Ibragim Al-Seykal Pradnya B Bhattad Anu Anna george Anil jha Nitish Sharma jennifer Sargent Mark j Kranis Division of Cardiology Saint Vincent HospitalWorcesterMA 01608United States Department of Internal Medicine Saint Vincent HospitalWorcesterMA 01608United States Department of Medicine Division of CardiologySaint Vincent HospitalWorcesterMA 01608United States Division of Cardiovascular Medicine Saint Vincent HospitalWorcesterMA 01608United States

BACKGROUND Infective endocarditis(IE)is a life-threatening infection with an annual mortality of 40%.Embolic events reported in up to 80%of *** of>10 mm size are associated with increased embolic events and poor *** is a paucity of literature on the association of multiple vegetations with *** To study the echocardiographic(ECHO)features and outcomes associated with the presence of multiple *** In this retrospective,single-center,cohort study patients diagnosed with IE were recruited from june 2017 to june 2019.A total of 84 patients were diagnosed to have IE,of whom 67 with vegetation were *** demographic,clinical,laboratory,and ECHO parameters were *** that were studied included recurrent admission,embolic phenomenon,and *** Twenty-three(34%)patients were noted to have multiple vegetations,13(56.5%)were male and 10(43.5%)were *** mean age of these patients was ***(35%)had a prior episode of *** features of moderate to severe valvular regurgitation[odds ratio(OR)=4],presence of pacemaker lead(OR=4.8),impaired left ventricle(LV)relaxation(OR=4),and elevated pulmonary artery systolic pressure(PASP)(OR=2.2)are associated with higher odds of multiple *** these moderate to severe valvular regurgitation(P=0.028),pacemaker lead(P=0.039)and impaired relaxation(P=0.028)were statistically *** patients were noted to have an increased association of recurrent admissions(OR=3.6),recurrent bacteremia(OR=2.4),embolic phenomenon(OR=2.5),intensive care unit stay(OR=2.8),hypotension(OR=2.1),surgical intervention(OR=2.8)and device removal(OR=4.8).Of this device removal(P=0.039)and recurrent admissions(P=0.017)were statistically *** This study highlights the associations of ECHO predictors and outcomes in patients with IE having multiple *** features of moderate to severe regurgitation,presence of pacemaker lead,impai

关键词： Endocarditis Echocardiography Vegetations Predictors Outcome

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Chronic effects of stretching on range of motion with consideration of potential moderating variables:A systematic review with meta-analysis

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journal of Sport and Health Science 2024年第2期13卷 186-194页

作者： Andreas Konrad Shahab Alizadeh Abdolhamid Daneshjoo Saman Hadjizadeh Anvar Andrew Graham Ali Zahiri Reza Goudini Chris Edwards Carina Scharf David george Behm Institute of Human Movement Science Sport and HealthGraz UniversityGraz A-8010Austria School of Human Kinetics and Recreation Memorial University of NewfoundlandSt.John’sNL A1C 5S7Canada Department of Sport Injuries and Corrective Exercises Faculty of Sport SciencesShahid Bahonar University of KermanKerman 76169-13439Iran

Background:It is well known that stretch training can induce prolonged increases in joint range of motion(ROM).However,to date more information is needed regarding which training variables might have greater influence on improvements in ***,the purpose of this metaanalysis was to investigate the effects of stretch training on ROM in healthy participants by considering potential moderating variables,such as stretching technique,intensity,duration,frequency,and muscles stretched,as well as sex-specific,age-specific,and/or trained state-specific adaptations to stretch ***:We searched through PubMed,Scopus,Web of Science,and SportDiscus to find eligible studies and,finally,assessed the results from 77 studies and 186 effect sizes by applying a random-effect ***,by applying a mixed-effect model,we performed the respective subgroup *** find potential relationships between stretch duration or age and effect sizes,we performed a ***:We found a significant overall effect,indicating that stretch training can increase ROM with a moderate effect compared to the controls(effect size=-1.002;Z=-12.074;95%confidence interval:-1.165 to-0.840;p<0.001;I^(2)=74.97).Subgroup analysis showed a significant difference between the stretching techniques(p=0.01)indicating that proprioceptive neuromuscular facilitation and static stretching produced greater ROM than did ballistic/dynamic ***,there was a significant effect between the sexes(p=0.04),indicating that females showed higher gains in ROM compared to ***,further moderating analysis showed no significant relation or ***:When the goal is to maximize ROM in the long term,proprioceptive neuromuscular facilitation or static stretching,rather than ballistic/dynamic stretching,should be *** to consider in future research as well as sports practice is that neither volume,intensity,nor frequency of stretching were

关键词： Flexibility Long-term stretching Stretch training

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Treating amyotrophic lateral sclerosis with allogeneic Schwann cell-derived exosomal vesicles: a case report

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Neural Regeneration Research 2025年第4期20卷 1207-1216页

作者： Pascal j.Goldschmidt-Clermont Aisha Khan george j.msheleishvili Patricia Graham Adriana Brooks Risset Silvera Alexander j.P.Goldschmidt Damien D.Pearse W.Dalton Dietrich Allan D.Levi james D.Guest Miller School of Medicine University of MiamiMiamiFLUSA Stem Cell Institute Miller School of MedicineUniversity of MiamiMiamiFLUSA The Miami Project to Cure Paralysis Miller School of MedicineUniversity of MiamiMiamiFLUSA Alzady International LLC MiamiFLUSA Neurological Surgery Miller School of MedicineUniversity of MiamiMiamiFLUSA

Schwann cells are essential for the maintenance and function of motor neurons,axonal networks,and the neuromuscular *** amyotrophic lateral sclerosis,where motor neuron function is progressively lost,Schwann cell function may also be ***,important signaling and potential trophic activities of Schwann cell-derived exosomal vesicles have been *** case report describes the treatment of a patient with advanced amyotrophic lateral sclerosis using serial intravenous infusions of allogeneic Schwann cell-derived exosomal vesicles,marking,to our knowledge,the first instance of such *** 81-year-old male patient presented with a 1.5-year history of rapidly progressive amyotrophic lateral *** initial diagnosis,the patient underwent a combination of generic riluzole,sodium phenylbutyrate for the treatment of amyotrophic lateral sclerosis,and *** patient volunteered to participate in an FDA-approved single-patient expanded access treatment and received weekly intravenous infusions of allogeneic Schwann cell-derived exosomal vesicles to potentially restore impaired Schwann cell and motor neuron *** confirmed that cultured Schwann cells obtained from the amyotrophic lateral sclerosis patient via sural nerve biopsy appeared impaired(senescent)and that exposure of the patient’s Schwann cells to allogeneic Schwann cell-derived exosomal vesicles,cultured expanded from a cadaver donor improved their growth capacity in *** a period of observation lasting 10 weeks,during which amyotrophic lateral sclerosis Functional Rating Scale-Revised and pulmonary function were regularly monitored,the patient received weekly consecutive infusions of 1.54×1012(×2),and then consecutive infusions of 7.5×1012(×6)allogeneic Schwann cell-derived exosomal vesicles diluted in 40 mL of Dulbecco’s phosphate-buffered *** of the infusions were associated with adverse events such as infusion reactions(allergic or otherwise)or

关键词： allogeneic amyotrophic lateral sclerosis exosomes infusion neuromuscular junction Schwann cell

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Nonconserved epitopes dominate reverse preexisting T cell immunity in COVID-19 convalescents

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Signal Transduction and Targeted Therapy 2024年第7期9卷 2984-2998页

作者： Xin Wang jie Zhang Maoshun Liu Yuanyuan Guo Peipei Guo Xiaonan Yang Bingli Shang Min Li jinmin Tian Ting Zhang Xi Wang Ronghua jin jikun Zhou george F.Gao jun Liu Department of Epidemiology School of Public HealthCheeloo College of MedicineShandong UniversityJinan 250012China NHC Key Laboratory of Biosafety Research Unit of Adaptive Evolution and Control of Emerging VirusesChinese Academy of Medical SciencesNational Institute for Viral Disease Control and PreventionChinese Center for Disease Control and Prevention(China CDC)Beijing 102206China Beijing Key Laboratory of Emerging Infectious Diseases Institute of Infectious DiseasesBeijing Ditan HospitalCapital Medical UniversityBeijing 100015China Beijing Institute of Infectious Diseases Beijing 100015China National Center for Infectious Diseases Beijing Ditan HospitalCapital Medical UniversityBeijing 100015P.R.China School of Laboratory Medicine and Life Sciences Wenzhou Medical UniversityWenzhou 325035China School of Ophthalmology&Optometry Wenzhou Medical UniversityWenzhou 325027China Collaborative Innovation Centre of Regenerative Medicine and Medical BioResource Development and Application Co-constructed by the Province and Ministry Guangxi Medical UniversityNanningGuangxi 530021China Shijiazhuang Fifth Hospital Shijiazhuang 050011China CAS Key Laboratory of Pathogen Microbiology and Immunology Institute of MicrobiologyChinese Academy of Sciences(CAS)Beijing 100101China Savaid Medical School University of Chinese Academy of SciencesBeijing 100049China

The herd immunity against SARS-CoV-2 is continuously consolidated across the world during the ongoing ***,the potential function of the nonconserved epitopes in the reverse preexisting cross-reactivity induced by SARS-CoV-2 to other human coronaviruses is not well *** our research,we assessed T cell responses to both conserved and nonconserved peptides shared by SARS-CoV-2 and SARS-CoV,identifying cross-reactive CD8^(+)T cell epitopes using enzyme-linked immunospot and intracellular cytokine staining ***,in vitro refolding and circular dichroism were performed to evaluate the thermal stability of the HLA/peptide ***,single-cell T cell receptor reservoir was analyzed based on tetramer ***,we discovered that cross-reactive T cells targeting SARS-CoV were present in individuals who had recovered from COVID-19,and identified SARS-CoV-2 CD8^(+)T cell epitopes spanning the major structural antigens.T cell responses induced by the nonconserved peptides between SARS-CoV-2 and SARS-CoV were higher and played a dominant role in the cross-reactivity in COVID-19 ***-T cell reactivity was also observed within the identified series of CD8^(+)T cell *** representative immunodominant peptide pairs,although the HLA binding capacities for peptides from SARS-CoV-2 and SARS-CoV were similar,the TCR repertoires recognizing these peptides were *** results could provide beneficial information for the development of peptide-based universal vaccines against coronaviruses.

关键词： immunity conserved assessed

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The multi-kingdom microbiome catalog of the chicken gastrointestinal tract

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Biosafety and Health 2024年第2期6卷 101-115页

作者： Yanan Wang Mengqi Qu Yuhai Bi William j.Liu Sufang Ma Bo Wan Yongfei Hu Baoli Zhu Gaiping Zhang george F.Gao International joint Research Center of National Animal Immunology College of Veterinary MedicineHenan Agricultural UniversityZhengzhou 450046China CAS Key Laboratory of Pathogen Microbiology and Immunology Institute of MicrobiologyChinese Academy of Sciences(CAS)Beijing 100101China Longhu Laboratory Zhengzhou 450046China University of Chinese Academy of Sciences Beijing 100049China NHC Key Laboratory of Biosafety National Institute for Viral Disease Control and PreventionChinese Center for Disease Control and PreventionBeijing 102206China State Key Laboratory of Animal Nutrition and Feeding College of Animal Science and TechnologyChina Agricultural UniversityBeijing 100193China

Chicken is an important food animal worldwide and plays an important role in human life by providing meat and *** recent significant advances in gut microbiome studies,a comprehensive study of chicken gut bacterial,archaeal,and viral genomes remains *** this study,we constructed a chicken multi-kingdom microbiome catalog(CMKMC),including 18,201 bacterial,225 archaeal,and 33,411 viral genomes,and annotated over 6,076,006 protein-coding genes by integrating 135 chicken gut metagenomes and publicly available metagenome-assembled genomes(MAGs)from ten *** found that 812 and 240 MAGs in our dataset were putative novel species and genera,respectively,far beyond what was previously *** newly unclassified MAGs were predominant in Phyla Firmicutes_A(n=263),followed by Firmicutes(n=126),Bacteroidota(n=121),and Proteobacteria(n=87).Most of the classified species-level viral oper-ational taxonomic units belong to ***,63.24%of chicken gut viromes are predicted to infect two or more hosts,including complete circular ***,we found that diverse auxiliary metabolic genes and antibiotic resistance genes were carried by ***,our CMKMC provides the largest integrated MAGs and viral genomes from the chicken gut to date,functional insights into the chicken gastrointestinal tract microbiota,and paves the way for microbial interventions for better chicken health and productivity.

关键词： Chicken Microbiome Metagenome assembled genomes Archaeome Virome Antibiotic resistance gene

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