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Peri-articular elbow fracture fixations with magnesium implants and a review of current literature: A case series

World Journal of Orthopedics 2024年第3期15卷 215-229页

作者： Christopher Fang Antony Xavier Rex Premchand Derek Howard Park Dong Hao Toon Department of orthopaedic Surgery Khoo Teck Puat HospitalNational Healthcare GroupSingapore 768828Singapore

BACKGROUND In recent years,the use of Magnesium alloy implants have gained renewed popularity,especially after the first commercially available ConformitéEuropéenne approved Magnesium implant became available(MAGNEZIX®CS,Syntellix)in *** To document our clinical and radiographical outcomes using magnesium implants in treating peri-articular elbow *** Our paper was based on a retrospective case series ***-operatively,a standardized surgical technique was utilized for insertion of the magnesium ***–operatively,clinic visits were standardized and physical exam findings,functional scores,and radiographs were obtained at each *** complications were *** Five patients with 6 fractures were recruited(2 coronoid,3 radial head and 1 capitellum).The mean patient age and length of follow up was 54.6 years and 11 months *** fractures healed,and none exhibited loss of reduction or complications requiring revision *** patient developed synovitis of the elbow joint or suffered electrolytic reactions when titanium implants were used *** Although there is still a paucity of literature available on the subject and further studies are required,magnesium implants appear to be a feasible tool for fixation of peri-articular elbow fractures with promising results in our *** In recent years,the use of Magnesium alloy implants in orthopaedic surgeries have gained renewed *** from being bioabsorbable,negating the need for implant removal,magnesium also has good osteoconductive properties[1-4].Biomechanically,it exhibits greater biomechanical strength than any pre-existing polymers,and reduces the stress-shielding effect associated with titanium and steel implants as it has a Young’s modulus closer to bone[4].Currently,the main utility of magnesium implants in the orthopaedic community is within the foot and ankle community where satisfactory results have been reported

关键词： Magnesium screw Fracture Peri-articular Elbow

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Taxonomy,distribution,and contemporary exposure of terrestrial mammals to floods and human pressure across different areas for biodiversity conservation in China

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Integrative Zoology 2024年第3期19卷 458-467页

作者： Roman SHARNUUD Eric I.AMECA MOE Key Laboratory for Biodiversity Science&Ecological Engineering College of Life SciencesBeijing Normal UniversityBeijingChina Climate Change specialist group Species Survival CommissionInternational Union for Conservation of NatureGlandSwitzerland

A significant research focus is placed on identifying animal species and areas at future risk to human-induced alterations of the environment and long-term changes in climatic ***,the extent to which exposure to extreme climatic events and intense human pressure can increase the risk of harmful impacts on species remains poorly *** on terrestrial mammals in China,one of the world’s megadiverse countries,we investigated patterns of contemporary exposure to floods and human pressures and determined their taxonomic representation and distribution across three major area-based conservation schemes,namely,national nature reserves(NNRs),priority areas for biodiversity conservation(PABCs),and key biodiversity areas(KBAs).Among the 440 species assessed with moderate or high exposure to floods,327(∼75%)also qualified as moderate or high in exposure to intense human *** species mainly belong to the orders Chiroptera,Eulipotyphla,and ***,there were 305,311,and 311 species with moderate or high exposure to flood and intense human pressure represented across NNRs,PABCs,and KBAs,*** findings support the prioritization of KBAs for expansion of site-based protection efforts such as NNRs in China,considering threats to species from exposure to adverse effects from both extreme climate and human pressure.

关键词： conservation floods human pressure mammals taxonomy

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The efficacy of vitamin E in preventing arthrofibrosis after joint replacement

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Animal Models and Experimental Medicine 2024年第2期7卷 145-155页

作者： Yingfang Fan Jean Yuh Sashank Lekkala Mehmet D.Asik Andrew Thomson Madeline McCanne Mark A.Randolph Antonia F.Chen Ebru Oral Harris orthopaedic Laboratory Department of Orthopaedic SurgeryMassachusetts General HospitalBostonMassachusettsUSA Department of orthopaedic Surgery Harvard Medical SchoolBostonMassachusettsUSA Department of Surgery Harvard Medical SchoolBostonMassachusettsUSA Department of orthopaedic Surgery Brigham and Women's HospitalBostonMassachusettsUSA

Background:Arthrofibrosis is a joint disorder characterized by excessive scar formation in the joint *** E is an antioxidant with potential anti-fibroblastic *** aim of this study was to establish an arthrofibrosis rat model after joint replacement and assess the effects of vitamin E supplementation on joint ***:We simulated knee replacement in 16 male Sprague–Dawley *** immobilized the surgical leg with a suture in full *** control groups were killed at 2 and 12 weeks(n=5 per group),and the test group was supplemented daily with vitamin E(0.2 mg/mL)in their drinking water for 12 weeks(n=6).We performed histological staining to investigate the presence and severity of *** staining andα2-macroglobulin(α2M)enzyme-linked immunosorbent assay(ELISA)were used to assess local and systemic *** weight bearing(total internal reflection)and range of motion(ROM)were collected for functional ***:The ROM and weight-bearing symmetry decreased after the procedure and recovered slowly with still significant deficit at the end of the study for both *** analysis confirmed fibrosis in both lateral and posterior periarticular *** E supplementation showed a moderate anti-inflammatory effect on the local and systemic *** vitamin E group exhibited significant improvement in ROM and weight-bearing symmetry at day 84 compared to the control ***:This model is viable for simulating arthrofibrosis after joint *** E may benefit postsurgical arthrofibrosis,and further studies are needed for dosing requirements.

关键词： arthrofibrosis range of motion total knee arthroplasty vitamin E

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Overlapping approach Proton Pump Inhibitors/Nux vomica-Heel as new intervention for gastro-esophageal reflux management:Delphi consensus study

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World Journal of Gastroenterology 2024年第18期30卷 2467-2478页

作者： Edda Battaglia Luciano Bertolusso Marco Del Prete Marco Monzani Marco Astegiano Gastroenterology Unit ASLTO4Ivrea 10015TurinItaly General Practitioner ASL CN2Alba-Bra 12051CuneoItaly specialist in Nephrology International Academy of Physiological Regulating Medicine Milan 20100Italy specialist in Endocrinology Territorial Social and Health Authority of BrianzaMonza 20900Italy Gastroenterology specialist Retired from Gastroenterology and Hepatology UnitAOU Cittàdella Salute e della ScienzaTurin 10123Italy

BACKGROUND Gastro-esophageal reflux disease(GERD)may affect the upper digestive tract;up to 20%of population in Western nations are affected by ***,histamine H2-receptor antagonists,and Proton Pump Inhibitors(PPIs)are considered the referring medications for ***,PPIs must be managed carefully because their use,especially chronic,could be linked with some adverse *** effective and safe alternative pharmacological tool for GERD is *** the identification of potentially new medications to flank PPIs,it is mandatory to revise and improve good clinical practices even through a consensus *** To optimize diagnosis and treatment guidelines for GERD through a consensus based on Delphi *** The availability of clinical studies describing the action of the multicomponent/multitarget medication Nux vomica-Heel,subject of the consensus,is the basic prerequisite for the consensus itself.A modified Delphi process was used to reach a consensus among a panel of Italian GERD specialists on the overlapping approach PPIs/Nux vomica-Heel as a new intervention model for the management of *** Voting Consensus group was composed of 49 Italian Medical Doctors with different specializations:Gastroenterology,otolaryngology,geriatrics,and general medicine.A scientific committee analyzed the literature,determined areas that required investigation(in agreement with the multiple-choice questionnaire results),and identified two topics of interest:(1)GERD disease;and(2)GERD *** for each of these topics were then formulated and *** Delphi process involved two rounds of questioning submitted to the panel experts using an online *** According to their routinary GERD practice and current clinical evidence,the panel members provided feedback to each questionnaire *** experts evaluated 15 statements and reached consensus on all *** statements regarding the GERD disease showed high levels of

关键词： Gastro-esophageal reflux disease Proton Pump Inhibitors Consensus Nux vomica-Heel Overlapping Decalage

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PFNA2 versus 95 Degree Condylar Blade Plate in the Management of Unstable Trochanteric Fractures

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Open Journal of Orthopedics 2024年第2期14卷 93-104页

作者： Piyush Gadegone Wasudeo Gadegone Vijayanand Lokhande Virender Kadian Department of orthopaedic Trauma and Orthopaedic Hospital Chandrapur India

Purpose: The proximal femoral nail anti-rotation (PFNA) is known to have advantages in enhancing the anchorage ability of internal fixation in elderly unstable osteoporotic intertrochanteric fracture patients. However whether it is superior to condylar blade fixation is not clear. This study aimed to determine which treatment has better clinical outcomes in older patients. Materials and Methods: A total of 86 patients over the age of 60 with unstable trochanteric fractures within the past 3 weeks, were included in this prospective study conducted from June 1, 2018, to May 31, 2021. All the intertrochanteric fractures were classified according to AO/OTA classification. Among them, 44 cases were treated with the Proximal Femoral Nail (PFNA2) with or without an augmentation screw, and 42 cases were treated with the Condylar Blade Plate. In addition, the operative time, intraoperative blood loss, intraoperative and postoperative blood transfusion, postoperative weight-bearing time, hospitalization time, Harris score of hip function, Kyle’s criteria and postoperative complications were compared between the two groups. Results: The mean duration of surgery for the PFN group was 66.8 minutes (on average), whereas for the condylar blade plate group, it was 99.30 minutes (on average). The PFNA2 group experienced less blood loss (average of 80 mL) compared to the condylar blade plate group (average of 120 mL). Union and partial weight-bearing occurred earlier in the PFNA2 group (14.1 weeks and 10.6 weeks, respectively) compared to the Condylar blade plate group (18.7 weeks and 15.8 weeks). In two patients from the PFNA2 group, screw backing out and varus collapse complications were encountered;however, these patients remained asymptomatic and did not require revision surgery. In two other patients, screw cut out and breakage of the nail at the helical screw hole leading to non-union of the proximal femur were observed during the nine-month follow-up, necessitating revision su

关键词： Proximal Femoral Nail Anti-Rotation Condylar Blade Plate Internal Fixation Unstable Intertrochanteric Fracture Osteoporotic

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Meta-analysis of factors influencing anterior knee pain after total knee arthroplasty

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World Journal of Orthopedics 2024年第2期15卷 180-191页

作者： Hui Feng Ming-Li Feng Jing-Bo Cheng Xiang Zhang Hai-Cheng Tao Department of orthopaedic Surgery Xuanwu HospitalCapital Medical UniversityBeijing 100053China

BACKGROUND Total knee arthroplasty(TKA)is a mature procedure recommended for correcting knee osteoarthritis deformity,relieving pain,and restoring normal *** TKA is a successful and cost-effective procedure,patient dissatisfaction is as high as 50%.Knee pain after TKA is a significant cause of patient dissatisfaction;the most common location for residual pain is the anterior *** 4%and 40%of patients have anterior knee pain(AKP).AIM To investigate the effect of various TKA procedures on postoperative *** We searched PubMed,EMBASE,and Cochrane from January 2000 to September *** controlled trials with one intervention in the experimental group and no corresponding intervention(or other interventions)in the control group were *** researchers independently read the title and abstract of the studies,preliminarily screened the articles,and read the full text in detail according to the selection *** were resolved by consultation with a third *** relevant data from the included studies were extracted and analyzed using Review Manager 5.4 *** There were 25 randomized controlled trials;13 were comparative studies with or without patellar *** meta-analysis showed no significant difference between the experimental and control groups(P=0.61).Six studies were comparative studies of circumpatellar denervation vs non-denervation,divided into three subgroups for *** two-subgroup meta-analysis showed no significant difference between the experimental and the control groups(P=0.31,P=0.50).One subgroup meta-analysis showed a significant difference between the experimental and control groups(P=0.001).Two studies compared fixed-bearing TKA and mobile-bearing TKA;the results meta-analysis showed no significant difference between the experimental and control groups(P=0.630).Two studies compared lateral retinacular release vs non-release;the meta-analysis showed a signi

关键词： Total knee arthroplasty Anterior knee pain Knee osteoarthritis Interventions Meta-analysis

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Spatial transcriptomics:recent developments and insights in respiratory research

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Military Medical Research 2024年第3期11卷 430-448页

作者： Wen-Jia Wang Liu-Xi Chu Li-Yong He Ming-Jing Zhang Kai-Tong Dang Chen Gao Qin-Yu Ge Zhou-Guang Wang Xiang-Wei Zhao State Key Laboratory of Bioelectronics School of Biological Science and Medical EngineeringSoutheast UniversityNanjing 210096China Oujiang Laboratory(Zhejiang Lab for Regenerative Medicine Vision and Brain Health)School of Pharmaceutical SciencesWenzhou Medical UniversityWenzhou 325035ZhejiangChina orthopaedic Bioengineering Research group Division of Surgery and Interventional ScienceUniversity College LondonLondon HA74LPUK

The respiratory system's complex cellular heterogeneity presents unique challenges to researchers in this *** bulk RNA sequencing and single-cell RNA sequencing(scRNA-seq)have provided insights into cell types and heterogeneity in the respiratory system,the relevant specific spatial localization and cellular interactions have not been clearly *** transcriptomics(ST)has filled this gap and has been widely used in respiratory *** review focuses on the latest iterative technology of ST in recent years,summarizing how ST can be applied to the physiological and pathological processes of the respiratory system,with emphasis on the ***,the current challenges and potential development directions are proposed,including high-throughput full-length transcriptome,integration of multi-omics,temporal and spatial omics,bioinformatics analysis,*** viewpoints are expected to advance the study of systematic mechanisms,including respiratory studies.

关键词： Spatial transcriptomics Lung Tumor Spatial multi-omics

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Mid-term survival of the Optimys short stem: A prospective case series of 500 patients

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World Journal of Orthopedics 2024年第3期15卷 257-265页

作者： Bryan Hamans Sheryl de Waard Sjoerd Kaarsemaker Esther R C Janssen Inger N Sierevelt Gino M M J Kerkhoffs Daniël Haverkamp Department of orthopaedic Surgery Xpert ClinicAmsterdam 1101EANetherlands Department of Orthopedic Surgery Amsterdam University Medical CenterAmsterdam 1105 AZNetherlands Esther R C Janssen Department of Orthopaedic SurgeryViecuri Medisch CentrumVenlo 5912 BLNetherlands Centre for orthopaedic Research Spaarne ZiekenhuisHoofddorp 2134 TMNetherlands Department of orthopaedic Surgery and Sports Medicine Amsterdam UMC-Location AMCAmsterdam 1105 AZNetherlands Department of Orthopedic Surgery Xpert Orthopedic Surgery ClinicAmsterdam 1101 EANetherlands

BACKGROUND In recent years,there has been an increase in the number of total hip arthroplasty procedures in the younger patient *** active group has higher expectations of their prosthesis in comparison to the older population,and there is a greater physical demand for the *** femoral stems were in-troduced to retain proximal bone stock and joint biomechanics and became more common to implant in this specific ***,the long-term survival and functional outcomes of various short stems are still being investigated in different *** To determine the 5-year survival of the Optimys hip *** This was a prospective multicenter cohort study of 500 patients conducted in two hospitals in the *** patients received the Optimys short stem(Mathys Ltd,Bettlach,Switzerland).The primary outcome measure was survival of the hip stem,with revision as the *** secondary outcome measurements included patient-reported outcome measures(PROMs).Kaplan-Meier analysis was used to calculate the 5-year survival ***-minus-log transformation was performed to calculate the 95%confidence interval(95%CI).Mixed model analyses were performed to assess the course of the PROMs during the 1st 2 years after *** were modeled separately for the 1st and 2nd years to calculate the yearly change in PROMs during both follow-up periods with accompanying 95%*** The mean age of the total 500 patients was 62.3 years(standard deviation:10.6)and 202 were male(40%).At a median follow-up of 5.5 years(interquartile range:4.5-6.7),7 patients were deceased and 6 revisions were registered,for infection(n=3),subsidence(n=2)and malposition(n=1).This resulted in an overall 5-year survival of 98.8%(95%CI:97.3-99.5).If infection was left out as reason for revision,a stem survival of 99.4%(95%CI:98.1-99.8)was *** questionnaires were completed by 471 patients(94%),317 patients(63%)completed the 1-year follow-up questionna

关键词： Total hip arthroplasty Femoral stem Short stem Optimys Survival 5-year survival Revision PROMs

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Tenosynovitis of hand: Causes and complications

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World Journal of Clinical Cases 2024年第4期12卷 671-676页

作者： Sathish Muthu Saravanan Annamalai Velmurugan Kandasamy Department of orthopaedics Government Medical CollegeKarur 639004Tamil NaduIndia orthopaedic Research group Coimbatore 641045Tamil NaduIndia Department of Biotechnology Faculty of EngineeringKarpagam Academy of Higher EducationCoimbatore 641021Tamil NaduIndia Department of orthopaedics Government Thiruvallur Medical CollegeThiruvallur 631203Tamil NaduIndia Department of orthopaedics Government Kilpauk Medical CollegeChennai 600010Tamil NaduIndia

Tenosynovitis represents a common clinical condition characterized by inflam-mation of the synovium that encases the tendon *** tenosynovities may be noted in any tendon in the body,extremities such as hand,and foot remain the sites of high predilection to acquire this *** predominant cause of this predilection rests in the intricate tendon arrangements in these extremities that permit fine motor *** editorial explores the common causes and the complications associated with this condition to improve the understanding of the readers of this common condition encountered in our everyday clinical practice.

关键词： Tenosynovitis Gout Hand Complications Infection

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Lateral clavicle fracture-plating options and considerations

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World Journal of Clinical Cases 2024年第6期12卷 1039-1044页

作者： Sathish Muthu Saravanan Annamalai Velmurugan Kandasamy Department of orthopaedics Orthopaedic Research GroupCoimbatore 641045Tamil NaduIndia Department of Biotechnology Karpagam Academy of Higher EducationCoimbatore 641021Tamil NaduIndia Department of orthopaedics Government Karur Medical CollegeKarur 639004Tamil NaduIndia Department of orthopaedics Government Thiruvallur Medical CollegeThiruvallur 631203Tamil NaduIndia Department of orthopaedics Government Kilpauk Medical CollegeChennai 600010Tamil NaduIndia

Clavicle fractures are among the most prevalent types of fractures with numerous treatment strategies that have evolved over *** the realm of lateral-third clavicle fracture management,several surgical methods are available,with plate and screw constructs being one of the most frequently employed *** this construct,numerous choices exist for fixing the *** editorial provides an overview of the common plate options utilized in the management of distal third clavicle fractures underscoring the critical considerations and approaches that guide clinicians in selecting the most appropriate fixation techniques,considering the complex landscape of clavicle fractures and their challenging management.

关键词： Clavicle fracture Surgical management Distal clavicle plating Superior plating Anterior plating

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