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Comparative evaluation of artificial intelligence systems'accuracy in providing medical drug dosages:A methodological study

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World Journal of Methodology 2024年第4期14卷 121-130页

作者： Swaminathan Ramasubramanian Sangeetha Balaji Tejashri Kannan Naveen Jeyaraman Shilpa Sharma Filippo Migliorini Suhasini Balasubramaniam Madhan Jeyaraman Department of orthopaedics Government Medical CollegeOmandurar Government EstateChennai 600002Tamil NaduIndia Department of orthopaedics ACS Medical College and HospitalDr MGR Educational and Research InstituteChennai 600077Tamil NaduIndia Department of Paediatric Surgery All India Institute of Medical SciencesNew Delhi 110029India Department of Life Sciences HealthLink Campus UniversityRome 00165Italy Department of orthopaedic and Trauma Surgery Academic Hospital of Bolzano(SABES-ASDAA)Teaching Hospital of the Paracelsus Medical UniversityBolzano 39100Italy Department of Radio-Diagnosis Government Stanley Medical College and HospitalChennai 600001Tamil NaduIndia

BACKGROUND Medication errors,especially in dosage calculation,pose risks in *** intelligence(AI)systems like ChatGPT and Google Bard may help reduce errors,but their accuracy in providing medication information remains to be *** To evaluate the accuracy of AI systems(ChatGPT 3.5,ChatGPT 4,Google Bard)in providing drug dosage information per Harrison's Principles of Internal *** A set of natural language queries mimicking real-world medical dosage inquiries was presented to the AI *** were analyzed using a 3-point Likert *** analysis,conducted with Python and its libraries,focused on basic statistics,overall system accuracy,and disease-specific and organ system *** ChatGPT 4 outperformed the other systems,showing the highest rate of correct responses(83.77%)and the best overall weighted accuracy(0.6775).Disease-specific accuracy varied notably across systems,with some diseases being accurately recognized,while others demonstrated significant *** system accuracy also showed variable results,underscoring system-specific strengths and *** ChatGPT 4 demonstrates superior reliability in medical dosage information,yet variations across diseases emphasize the need for ongoing *** results highlight AI's potential in aiding healthcare professionals,urging continuous development for dependable accuracy in critical medical situations.

关键词： Dosage calculation Artificial intelligence ChatGPT Drug dosage Healthcare Large language models

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Three-dimensional analysis of age and sex differences in femoral head asphericity in asymptomatic hips in the United States

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World Journal of Orthopedics 2024年第8期15卷 754-763页

作者： Mahad M Hassan Aliya G Feroe Brenton W Douglass Andrew E Jimenez Benjamin Kuhns Charles F Mitchell Robert L Parisien Daniel A Maranho Eduardo N Novais Young-Jo Kim Ata M Kiapour Department of Orthopedic Surgery University of MinnesotaMinneapolisMN 55454United States Department of Orthopedic Surgery TRIA Orthopaedic CenterBloomingtonMN 55122United States Department of Orthopedic Surgery Boston Children’s HospitalBostonMA 02115United States Department of Orthopedic Surgery Mayo ClinicRochesterMN 55901United States Department of orthopaedics and Rehabilitation Yale School of MedicineNew HavenCT 06510United States Department of Orthopedic Surgery American Hip Institute Research FoundationDes PlainesIL 60018United States Department of Orthopedic Surgery Mount SinaiNew YorkNY 10029United States Department of Biomechanics Medicineand Rehabilitation of the Locomotor SystemRibeirao Preto Medical SchoolUniversity of São PauloRibeirao Preto 14048-900São PauloBrazil

BACKGROUND The sphericity of the femoral head is a metric used to evaluate hip pathologies and is associated with the development of osteoarthritis and femoral-acetabular *** To analyze the three-dimensional asphericity of the femoral head of asymptomatic pediatric *** hypothesized that femoral head asphericity will vary significantly between male and female pediatric hips and increase with age in both *** Computed tomography scans were obtained on 158 children and adolescents from a single institution in the United States(8-18 years;50%male)without hip *** femoral measurements including the femoral head diameter,femoral head volume,residual volume,asphericity index,and local diameter difference were used to evaluate femoral head *** In both sexes,the residual volume increased by age(P13 years)in females,there were no sex-differences in residual volume and aspherity *** were no age-related changes in mean diameter difference in both sexes(P=0.07)with no significant sex-differences across different age groups(P=0.06).In contrast,there were significant increases in local aspherity(maximum diameter difference)across whole surface of the femoral head and all quadrants except the inferior regions in males(P=0.03).There were no sex-differences in maximum diameter difference at any regions and age group(P>0.05).Increased alpha angle was only correlated to increased mean diameter difference across overall surface of the femoral head(P=0.024).CONCLUSION There is a substantial localized asphericity in asymptomatic hips which increases with age *** 2D measured alpha angle can capture overall asphericity of the femoral head,it may not be sensitive enough to represent regional asphericity patterns.

关键词： Hip Femoral head Sphericity Skeletal growth Sex differences

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Engineering the viscoelasticity of gelatin methacryloyl(GelMA)hydrogels via small“dynamic bridges”to regulate BMSC behaviors for osteochondral regeneration

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Bioactive Materials 2023年第7期25卷 445-459页

作者： Changjiang Liu Qifan Yu Zhangqin Yuan Qianping Guo Xiting Liao Feng Han Tao Feng Guoping Liu Runze Zhao Zhuang Zhu Haijiao Mao Caihong Zhu Bin Li College of Chemistry Chemical Engineering and Materials ScienceOrthopaedic InstituteDepartment of Orthopaedic SurgeryThe First Affiliated HospitalSuzhou Medical CollegeSoochow UniversitySuzhouJiangsuChina Department of orthopaedic Surgery The Affiliated Hospital of Medical SchoolNingbo UniversityNingboZhejiangChina Collaborative Innovation Center of Hematology Soochow UniversitySuzhouJiangsuChina

The dynamic extracellular matrix(ECM)constantly affects the behaviors of *** mimic the dynamics of ECM with controllable stiffness and energy dissipation,this study proposes a strategy in which a small molecule,3,4-dihydroxybenzaldehyde(DB),was used as fast"dynamic bridges"to construct viscoelastic gelatin methacryloyl(GelMA)-based *** storage modulus and loss modulus of hydrogels were independently adjusted by the covalent crosslinking density and by the number of dynamic *** hydrogels exhibited self-healing property,injectability,excellent adhesion and mechanical ***,the in vitro results revealed that the viscous dissipation of hydrogels favored the spreading,proliferation,osteogenesis and chondrogenesis of bone marrow mesenchymal stem cells(BMSCs),but suppressed their ***-sequencing and immunofluorescence suggested that the viscous dissipation of hydrogels activated Yes-associated protein(YAP)by stabilizing integrinβ1,and further promoted nuclear translocation of smad2/3 andβ-catenin to enhance chondrogenesis and *** a result,the viscoelastic GelMA hydrogels with highest loss modulus showed best effect in cartilage and subchondral bone *** together,findings from this study reveal an effective strategy to fabricate viscoelastic hydrogels for modulating the interactions between cells and dynamic ECM to promote tissue regeneration.

关键词： Viscoelastic hydrogels Dynamic bonds GelMA Dissipation Osteochondral regeneration

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Single-cell omics:experimental workflow,data analyses and applications

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Science China Life Sciences 2024年

作者： Fengying Sun Haoyan Li Dongqing Sun Shaliu Fu Lei Gu Xin Shao Qinqin Wang Xin Dong Bin Duan Feiyang Xing Jun Wu Minmin Xiao Fangqing Zhao Jing-Dong J.Han Qi Liu Xiaohui Fan Chen Li Chenfei Wang Tieliu Shi Center for Bioinformatics and Computational Biology Shanghai Key Laboratory of Regulatory Biology the Institute of Biomedical Sciences and School of Life Sciences East China Normal University Beijing institutes of Life Science Chinese Academy of Sciences Peking-Tsinghua Center for Life Sciences Academy for Advanced Interdisciplinary Studies Center for Quantitative Biology (CQB) Peking University Zhejiang Key Laboratory of Precision Diagnosis and Therapy for Major Gynecological Diseases Women’s Hospital Zhejiang University School of Medicine Key Laboratory of Advanced Theory and Application in Statistics and Data Science-MOE School of Statistics East China Normal University Shanghai 200062 China Department of Clinical Laboratory the Affiliated Wuhu Hospital of East China Normal University (The Second People's Hospital of Wuhu City) Pharmaceutical Informatics institute College of Pharmaceutical Sciences Zhejiang University Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration (Tongji University) Ministry of Education Orthopaedic Department Tongji Hospital Bioinformatics Department School of Life Sciences and Technology Tongji University Frontier Science Center for Stem Cells School of Life Sciences and Technology Tongji University Translational Medical Center for Stem Cell Therapy and institute for Regenerative Medicine Shanghai East Hospital Bioinformatics Department School of Life Sciences and Technology Tongji University Research institute of Intelligent Computing Zhejiang Lab Shanghai Research institute for Intelligent Autonomous Systems Center for Single-cell Omics School of Public Health Shanghai Jiao Tong University School of Medicine National Key Laboratory of Chinese Medicine Modernization Innovation Center of Yangtze River Delta Zhejiang University

Cells are the fundamental units of biological systems and exhibit unique development trajectories and molecular features. Our exploration of how the genomes orchestrate the formation and maintenance of each cell, and control the cellular phenotypes of various organismsis, is both captivating and intricate. Since the inception of the first single-cell RNA technology, technologies related to single-cell sequencing have experienced rapid advancements in recent years. These technologies have expanded horizontally to include single-cell genome, epigenome,proteome, and metabolome, while vertically, they have progressed to integrate multiple omics data and incorporate additional information such as spatial scRNA-seq and CRISPR screening. Single-cell omics represent a groundbreaking advancement in the biomedical field,offering profound insights into the understanding of complex diseases, including cancers. Here, we comprehensively summarize recent advances in single-cell omics technologies, with a specific focus on the methodology section. This overview aims to guide researchers in selecting appropriate methods for single-cell sequencing and related data analysis.

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Finite element analysis of tibio-femoral contact mechanics of a customised knee spacer

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Biosurface and Biotribology 2022年第2期8卷 121-128页

作者： Alex C.T.Choh Andy Yew Seng Jin Yeo Desmond Y.R.Chong Shi-Lu Chia Department of orthopaedic Surgery Singapore General HospitalSingaporeSingapore Engineering Cluster Singapore Institute of TechnologySingaporeSingapore

With one-third of patients having osteoarthritis predominantly in one compartment of the knee,unicompartmental knee spacers have been introduced as a less invasive alternative to total knee ***,patients with the knee spacer implanted were seen to have persistent pain,resulting in high revision rates.A static finite element model of the knee and its interaction with a knee spacer implant at full extension and 90°flexion was used to investigate the tibio-femoral contact mechanics of the knee joint after a knee spacer *** different knee spacer designs(contoured,flat and C-shaped)were modelled and prescribed with cobalt-chrome,ultra-high molecular polyethylene and polyurethane material *** results suggested that a softer spacer is generally preferred as this helps in the conformity of knee spacer to the condyle,effectively distributing the load subjected to the *** spacers that result in high stresses resulting from lower contact areas should be avoided.

关键词： biomechanics contact pressure finite element analysis knee spacer

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Total knee arthroplasty with long tibial stem for tibial stress fractures with knee osteoarthritis:Two birds with one stone

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Chinese Journal of Traumatology 2022年第6期25卷 357-361页

作者： Satvik N.Pai Mohan M.Kumar Pravin K.Vanchi Raghav Ravi Pradeesh Kiswanth Department of orthopaedic Surgery Sri Ramachandra Medical College and Research InstituteChennai600116India

Purpose:The treatment and outcome of tibial stress fractures concomitant with knee osteoarthritis(OA)are *** aim of this study was to evaluate the functional and radiological outcome of total knee arthroplasty with long tibial stem as a treatment for patients having knee OA and tibial stress ***:Patients who were diagnosed to have proximal tibia stress fracture along with knee OA at our institution between June 2013 and November 2018 were included in our *** patients underwent total knee arthroplasty with long tibial *** and postoperative functional assessments were done according to range of movement of the knee joint,knee society score and knee injury and OA outcome *** analysis was carried out by mean and standard deviation for quantitative variables,frequency and proportion for categorical ***:Twelve patients were included in the *** patients were found to have stress fractures in the proximal half of tibia and *** patients had non-union/delayed union,and 8 patients had acute *** average preoperative range of movement was 88.1°,which improved to 116.3°at 3 months following *** was found that the fracture has healed in all *** knee society score improved from 32.9 preoperatively to 89.3 at 1 year *** injury and OA outcome score improved from a mean score of 28.3 preoperatively to 81.1 at 1 year ***:Stress fractures can occur in the proximal tibia in patients with knee *** knee arthroplasty with tibial stem provides a suitable solution for both *** plating or bone graft is unlikely to be required.

关键词： Osteoarthritis Stress fracture Total kneearthroplasty Tibial stem

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Bone-targeting engineered small extracellular vesicles carrying anti-miR-6359-CGGGAGC prevent valproic acid-induced bone loss

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Signal Transduction and Targeted Therapy 2024年第2期9卷 751-765页

作者： Xudong Xie Peng Cheng Liangcong Hu Wu Zhou Detai Zhang Samuel Knoedler Guodong Liu Yuan Xiong Hang Xue Yiqiang Hu Barbara Kern Doha Obed Adriana CPanayi Lang Chen Chenchen Yan Ze Lin Guandong Dai Bobin Mi Yingze Zhang Guohui Liu Department of Orthopedics Union HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430022China Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration Wuhan 430022China Department of Clinical Laboratory Union HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhanHubei 430022P.R.China Division of Plastic Surgery Brigham and Women’s HospitalHarvard Medical SchoolBostonMA 02152USA Department of Plastic Surgery and Hand Surgery Klinikum Rechts der IsarTechnical University of MunichMunichGermany Medical Center of Trauma and War Injuries Daping HospitalArmy Medical UniversityChonqing 400042China Department of Plastic Surgery Campus CharitéMitte|Campus Virchow-KlinikumCharité-Universitätsmedizin Berlincorporate member of Freie Universität BerlinHumboldt-Universität zu Berlin and Berlin Institute of HealthBerlinGermany Berlin institute of Health Charité-Universitätsmedizin BerlinBerlinGermany Department of Plastic AestheticHand and Reconstructive SurgeryHannover Medical SchoolHannoverGermany Department of Hand Plastic and Reconstructive SurgeryMicrosurgeryBurn CenterBG Trauma Center LudwigshafenUniversity of HeidelbergLudwig-Guttmann-Strasse 1367071 Ludwigshafen/RhineGermany Pingshan District People’s Hospital of Shenzhen Pingshan General Hospital of Southern Medical UniversityShenzhenGuangdong 518118China Department of orthopaedic Surgery The Third Hospital of Hebei Medical UniversityNO.139 Ziqiang RoadShijiazhuang 050051China

The clinical role and underlying mechanisms of valproic acid(VPA)on bone homeostasis remain ***,we confirmed that VPA treatment was associated with decreased bone mass and bone mineral density(BMD)in both patients and *** effect was attributed to VPA-induced elevation in osteoclast formation and *** RNA-sequencing,we observed a significant rise in precursor miR-6359 expression in VPA-treated osteoclast precursors in vitro,and further,a marked upregulation of mature miR-6359(miR-6359)in vivo was demonstrated using quantitative real-time PCR(qRT-PCR)and miR-6359 fluorescent in situ hybridization(miR-6359-FISH).Specifically,the miR-6359 was predominantly increased in osteoclast precursors and macrophages but not in neutrophils,T lymphocytes,monocytes and bone marrow-derived mesenchymal stem cells(BMSCs)following VPA stimulation,which influenced osteoclast differentiation and bone-resorptive ***,VPA-induced miR-6359 enrichment in osteoclast precursors enhanced reactive oxygen species(ROS)production by silencing the SIRT3 protein expression,followed by activation of the MAPK signaling pathway,which enhanced osteoclast formation and activity,thereby accelerating bone ***,there are no medications that can effectively treat VPA-induced bone ***,we constructed engineered small extracellular vesicles(E-sEVs)targeting osteoclast precursors in bone and naturally carrying anti-miR-6359 by introducing of EXOmotif(CGGGAGC)in the 3’-end of the anti-miR-6359 *** confirmed that the E-sEVs exhibited decent bone/osteoclast precursor targeting and exerted protective therapeutic effects on VPA-induced bone loss,but not on ovariectomy(OVX)and glucocorticoid-induced osteoporotic models,deepening our understanding of the underlying mechanism and treatment strategies for VPA-induced bone loss.

关键词： miR protective stimulation

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An injectable curcumin-releasing organohydrogel with non-drying property and high mechanical stability at low-temperature for expe dite d skin wound care

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Journal of Materials Science & Technology 2023年第2期133卷 123-134页

作者： Kang Wu Qiang Yang Lin Zhang Pengcheng Xu Xiexing Wu Huilin Yang Huan Zhou Xiao Lin Lei Yang College of Chemistry Chemical Engineering and Materials ScienceOrthopaedic InstituteDepartment of Orthopaedic SurgeryThe First Affiliated HospitalSoochow UniversitySuzhou 215031China Center for Health Sciences and Engineering(CHSE) School of Health Sciences and Biomedical EngineeringHebei University of TechnologyTianjin 300130China Department of Minimally Invasive Spine Surgery Tianjin HospitalTianjin 300211China

Although hydrogels have demonstrated great potential as new wound dressing materials,their instability in shape and/or mechanical characteristics due to water loss or freezing remains a shortcoming for wound care ***,a novel injectable organohydrogel(IOH)of physically crosslinked polyvinyl alco-hol/glycerol that possesses non-drying capability and high stability at low temperature was developed for wound *** has a skin-like stiffness(G’,∼280 Pa),high injectability,self-healing capability,high water-vapor transmission rate,and bacterial inhibitory *** exhibits high shape and mechanical stabilities after curing at 37°C and 50%relative humidity for 7 days or after curing at-20°C for 1 *** addition,glycerol in IOH enabled an efficient loading and release of water-insoluble curcumin,a well-known anti-bacterial and anti-inflammation *** curcumin-releasing IOH(Cur-IOH)demonstrated significantly enhanced anti-bacterial performance compared to IOH or curcumin-loading polyvinyl alco-hol *** importantly,Cur-IOH could accelerate wound healing in a murine full-thickness skin defect wound model,revealing improved wound contraction,collagen deposition,angiogenesis,and epi-dermis *** study demonstrates the great potential of organohydrogel for the reparation of severe wounds and Cur-IOH as a new type of injectable wound healing material.

关键词： Wound dressing Organohydrogel Non-drying Stability Curcumin

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3D-bioprinted anisotropic bicellular living hydrogels boost osteochondral regeneration via reconstruction of cartilage–bone interface

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The Innovation 2024年第2期5卷 88-97页

作者： Yijian Zhang Duo Li Yang Liu Liuqi Peng Dongdong Lu Pinpin Wang Dongxu Ke Huilin Yang Xuesong Zhu Changshun Ruan Department of orthopaedics The First Affiliated Hospital of Soochow UniversitySoochow UniversitySuzhou 215006China Research Center for Human Tissue and Organ Degeneration Institute of Biomedicine and BiotechnologyShenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhen 518055China University of Chinese Academy of Sciences Beijing 100049China Novaprint Therapeutics Suzhou Co. Ltd.Room 605B1 BuildingBioBayNo.218 Xinghu StreetSuzhou Industrial ParkSuzhou 215000China

Reconstruction of osteochondral(OC)defects represents an immense challenge due to the need for synchronous regeneration of special stratified *** revolutionary innovation of bioprinting provides a robust method for precise fabrication of tissue-engineered OCs with hierarchical structure;however,their spatial living cues for simultaneous fulfilment of osteogenesis and chondrogenesis to reconstruct the cartilage-bone interface of OC are ***,inspired by natural OC bilayer features,anisotropic bicellular living hydrogels(ABLHs)simultaneously embedding articular cartilage progenitor cells(ACPCs)and bone mesenchymal stem cells(BMSCs)in stratified layers were precisely fabricated via two-channel extrusion *** optimum formulation of the 7%GelMA/3%AlgMA hydrogel bioink was demonstrated,with excellent printability at room temperature and maintained high cell ***,the chondrogenic ability of ACPCs and the osteogenic ability of BMSCs were demonstrated in vitro,confirming the inherent differential spatial regulation of ABLHs.

关键词： printing stratified boost

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Non-enzymatic methods for isolation of stromal vascular fraction and adipose-derived stem cells:A systematic review

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World Journal of Methodology 2024年第2期14卷 134-144页

作者： Vamsi Krishna Mundluru MJ Naidu Ravi Teja Mundluru Naveen Jeyaraman Sathish Muthu Swaminathan Ramasubramanian Madhan Jeyaraman Department of orthopaedics MJ Naidu Super Speciality HospitalVijayawada 520002Andhra PradeshIndia Department of Regenerative Medicine StemC ClinicsVijayawada 520002Andhra PradeshIndia Department of orthopaedics ACS Medical College and HospitalDr.MGR Educational and Research InstituteChennai 600077Tamil NaduIndia Department of orthopaedics Orthopaedic Research GroupCoimbatore 641045Tamil NaduIndia Department of orthopaedics Government Medical College and HospitalKarur 639004Tamil NaduIndia Department of Biotechnology Faculty of EngineeringKarpagam Academy of Higher EducationCoimbatore 641021Tamil NaduIndia Department of orthopaedics Government Medical CollegeOmandurar Government EstateChennai 600002Tamil NaduIndia

BACKGROUND Adipose-derived stem cells(ADSCs)and the stromal vascular fraction(SVF)have garnered substantial interest in regenerative medicine due to their potential to treat a wide range of *** enzymatic methods for isolating these cells face challenges such as high costs,lengthy processing time,and regulatory *** This systematic review aimed to assess the efficacy and practicality of nonenzymatic,mechanical methods for isolating SVF and ADSCs,comparing these to conventional enzymatic *** Following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines,a comprehensive literature search was conducted across multiple *** were selected based on inclusion criteria focused on non-enzymatic isolation methods for SVF and ADSCs from adipose *** risk of bias was assessed,and a qualitative synthesis of findings was performed due to the methodological heterogeneity of the included *** Nineteen studies met the inclusion criteria,highlighting various mechanical techniques such as centrifugation,vortexing,and ultrasonic *** review identified significant variability in cell yield and viability,and the integrity of isolated cells across different non-enzymatic methods compared to enzymatic *** some advantages of mechanical methods,including reduced processing time and avoidance of enzymatic reagents,the evidence suggests a need for optimization to match the cell quality and therapeutic efficacy achievable with enzymatic *** Non-enzymatic,mechanical methods offer a promising alternative to enzymatic isolation of SVF and ADSCs,potentially simplifying the isolation process and reducing regulatory ***,further research is necessary to standardize these techniques and ensure consistent,high-quality cell yields for clinical *** development of efficient,safe,and reproducible non-enzymatic isolation methods could signi

关键词： Adipose-derived stem cells Stromal vascular fraction Regenerative medicine Non-enzymatic isolation Mechanical separation techniques

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