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Utility of D-dimer in total joint arthroplasty

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World Journal of Orthopedics 2023年第3期14卷 90-102页

作者： Brenden Cutter Zachary C Lum Mauro Giordani john p meehan Department of Orthopedic Surgery Valley Orthopedic Surgery Residency/Valley Consortium for Medical EducationModestoCA 95351United States Department of Orthopaedics Adult Reconstruction DivisionUniversity of CaliforniaDavis Medical CenterSacramentoCA 95817United States

As the number of patients receiving total joint replacements continues to rise,considerable attention has been directed towards the early detection and prevention of postoperative *** D-dimer has long been studied as a diagnostic tool in venous thromboembolism(VTE),this assay has recently received considerable attention in the diagnosis of periprosthetic joint infection(pJI).D-dimer values are substantially elevated in the acute postoperative period after total joint arthroplasty,with levels often exceeding the standard institutional cutoff for VTE(500µg/L).The utility of D-dimer in detecting VTE after total joint replacement is currently limited,and more research to assess its value in the setting of contemporary prophylaxis protocols is *** literature supports D-dimer as a good to excellent biomarker for the diagnosis of chronic pJI,especially when using serum sample *** should exercise caution when interpreting D-dimer levels in patients with inflammatory and hypercoagulability disorders,as the diagnostic value is *** updated 2018 Musculoskeletal Infection Society criteria,which includes D-dimer levels>860µg/L as a minor criterion,may be the most accurate for diagnosing chronic pJI to *** prospective trials with transparent lab testing protocols are needed to establish best assay practices and optimal cutoff values for D-dimer in the diagnosis of *** review summarizes the most current literature on the value of D-dimer in total joint arthroplasty and elucidates areas for future progress.

关键词： D-dimer Diagnosis periprosthetic joint infection Venous thromboembolism Deep vein thrombosis Arthroplasty

Investigating low dispersion isotope dissolution Lu-Hf garnet dates via in situ Lu-Hf geochronology,Kanchenjunga Himal

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Geoscience Frontiers 2024年第3期15卷 137-145页

作者： Kyle p.Larson john M.Cottle Mark Button Brendan Dyck Iva Lihter Sudip Shrestha Department of Earth Environmental and Geographic SciencesUniversity of British ColumbiaOkanaganKelownaCanada Department of Earth Science University of CaliforniaSanta BarbaraUSA Fipke Laboratory for Trace Element Research University of British ColumbiaOkanaganKelownaCanada

Re-examination of three specimens from the Kanchenjunga Himal of Nepal via in situ Lu-Hf garnet geochronology yields evidence of multiple garnet growth *** analyses from grain cores in two specimens define paleozoic regressions whereas analyses from grain rims in the same specimens define low-precision regressions consistent with the timing of Himalayan *** dates contrast with previously published low dispersion,ca.290 Ma isotope dissolution(ID)Lu-Hf garnet dates for the same *** of Lu and spot age distribution in representative grains from the specimens examined yields calculated dates that approximate the permian-age regressions through the original ID *** findings demonstrate that it is possible to generate low dispersion ID Lu-Hf data from multigenerational garnet with significantly different-age growth events when approximately equal proportions of the different age reservoirs are included in multi-component aliquots.

关键词： Lu-Hf geochronology In situ Lu-Hf geochronology Kanchenjunga Himal

Diagnostic challenges and individualized treatment of cervical adenocarcinoma metastases to the breast:A case report

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World Journal of Clinical Cases 2024年第2期12卷 412-417页

作者： Allison Akers Susan Read john Feldman Casey Gooden Diana p English Department of Obstetrics and Gynecology University of South FloridaTampaFL 33606United States Department of Gynecologic Oncology Sky Ridge Medical CenterLone TreeCO 80124United States Department of Radiology University of South FloridaTampaFL 33606United States Department of pathology University of South FloridaTampaFL 33606United States

BACKGROUND Cervical cancer is a rare primary tumor resulting in metastases to the breast with few cases reported in *** metastases are associated with poor *** following case highlights the diagnostic challenges associated with metastatic cervical cancer to the breast along with individualized *** SUMMARY A 44-year-old G7p5025 with no significant past medical or surgical history presented with heavy vaginal to an outside emergency department where an exam and a pelvic magnetic resonance imaging showed a 4.5 cm heterogenous lobulated cervical mass involving upper two thirds of vagina,parametria and lymph node *** biopsies confirmed high grade adenocarcinoma with mucinous features.A positron emission tomography/computed tomography(pET/CT)did not show evidence of metastatic *** received concurrent cisplatin with external beam radiation *** up pET/CT scan three months later showed no suspicious fluorodeoxyglucose uptake in the cervix and no evidence of metastatic *** was lost to follow up for six *** was re-imaged on re-presentation and found to have widely metastatic disease including breast *** biopsy confirmed programmed death-ligand 1 positive metastatic cervical *** patient received six cycles of carboplatin and paclitaxel with *** imaging demonstrated *** continued on pembrolizumab with disease *** Metastatic cervical cancer to the breast is uncommon with nonspecific clinical findings that can make diagnosis *** history and immunohistochemical evaluation of breast lesion,and comparison to primary tumor can support diagnosis of metastatic cervical cancer to the ***,the prognosis is poor,but immunotherapy can be considered in select patients and may result in good disease response.

关键词： Cervical adenocarcinoma Breast metastases Immunotherapy pembrolizumab Carboplatin paclitaxel Case report

Exploring the Reasons for Selfie-Taking and Selfie-posting on Social Media with Its Effect on psychological and Social Lives:A Study among Indian Youths

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International Journal of Mental Health promotion 2024年第5期26卷 389-398页

作者： Divya p.Vijayan Tokani Ghuhato Eslavath Rajkumar Allen Joshua George Romate john john Abraham Department of psychology Central University of KarnatakaKalaburagi585367India Department of Liberal Arts Indian Institute of Technology BhilaiChhattisgarh491002India Liberal Arts&Sciences Indian Institute of Management RanchiJharkhand834001India Department of Family Medicine/Geriatrics St.John’s National Academy of Health SciencesBangalore560034India

‘Selfie’taking was introduced to the common people by smartphones and has become a common practice across the globe in no *** technological advancement and the popularity of smartphones,selfie-taking has grown rapidly within a short *** light of the new trend set by the generation,this study aimed to explore reasons for selfie-taking and selfie-posting on social media and their effects on the social and psychological lives of young adults.A purposive sampling method was adopted to select 20 Indian citizens,between 18 and 24 *** data were collected through semi-structured interviews and analysed using thematic ***-taking and posting on social media give positive feelings,and it acts as a mood modifier dependent mostly on the favourability and feedback about the post which in turn affects emotions and self-satisfaction.

关键词： Selfie social media social networking sites obsessive selfie-taking Indian youth

Outcomes following minimally invasive dorsal cheilectomy for hallux rigidus:A systematic review

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World Journal of Orthopedics 2024年第6期15卷 585-592页

作者： Katherine Esser James J Butler Mackenzie Roof Nathaniel p Mercer Michael C Harrington Alan p Samsonov Andrew J Rosenbaum john G Kennedy Department of Orthopaedic Surgery University of Toledo Medical Center University of Toledo College of Medicine and Life SciencesToledoOH 43614United States Department of Orthopedic Surgery NYU Langone HealthNew YorkNY 10002United States Department of Orthopedic Surgery Albany Medical CenterAlbanyNY 12208United States

BACKGROUND Cheilectomy of the 1^(st)metatarsophalangeal joint(MTpJ)is one of the most common procedures for the management of hallux ***,there is no consensus regarding outcomes following minimally invasive dorsal cheilectomy(MIDC)for the management of hallux *** To evaluate outcomes following MIDC for the management of hallux *** During November 2023,the pubMed,EMBASE and Cochrane Library databases were systematically reviewed to identify clinical studies examining outcomes following MIDC for the management of hallux *** Six studies were *** total,348 patients(370 feet)underwent MIDC for hallux rigidus at a weighted mean follow-up of 37.9±16.5 *** distribution of patients by Coughlin and Shurna's classification was recorded in 4 studies as follows:Ⅰ(58 patients,27.1%),Ⅱ(112 patients,52.3%),Ⅲ(44 patients,20.6%).Three studies performed an additional 1^(st)MTpJ arthroscopy and debridement following *** intra-articular bone debris was observed in 100%of patients in 1 *** weighted mean American orthopedic foot and ankle society score improved from a preoperative score of 68.9±3.2 to a postoperative score of *** complication rate was 8.4%,the most common of which was persistent joint pain and ***-two failures(8.7%)were ***-three secondary procedures(8.9%)were performed at a weighted mean time of 8.6±3.2 months following the index *** This systematic review demonstrated improvements in subjective clinical outcomes together with a moderate complication rate following MIDC for the management of hallux rigidus at short-term follow-up.A moderate reoperation rate at short-term follow-up was *** marked heterogeneity between included studies and paucity of high quality comparative studies limits the generation of any robust conclusions.

关键词： Minimally invasive dorsal cheilectomy Hallux rigidus The first metatarsophalangeal joint Cheilectomy Minimally invasive surgery

Land use and river-lake connectivity: Biodiversity determinants of lake ecosystems

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Environmental Science and Ecotechnology 2024年第5期21卷 329-340页

作者： Huiyu Xie Yu Ma Xiaowei Jin Shiqi Jia Xu Zhao Xianfu Zhao Yongjiu Cai Jian Xu Fengchang Wu john p.Giesy State Key Laboratory of Environmental Criteria and Risk Assessment Chinese Research Academy of Environmental SciencesBeijing100012China College of Water Sciences Beijing Normal UniversityBeijing100875China China National Environmental Monitoring Centre Beijing100012China Key Laboratory of Ecological Impacts of Hydraulic-projects and Restoration of Aquatic Ecosystem of Ministry of Water Resources Institute of HydroecologyMinistry of Water Resources and Chinese Academy of SciencesWuhan430079China Nanjing Institute of Geography and Limnology Chinese Academy of SciencesNanjing210008China Department of Integrative Biology Michigan State UniversityEast LansingMI48895USA Department of Veterinary Biomedical Sciences and Toxicology Centre University of SaskatchewanSaskatoonSaskatchewanS7N 5B3Canada Toxicology Centre and Department of Veterinary Biomedical Sciences University of Saskatchewan44 Campus DriveSaskatoonSKS7N 5B3SaskatoonSKCanada

Lake ecosystems confront escalating challenges to their stability and resilience,most intuitively leading to biodiversity loss,necessitating effective preservation strategies to safeguard aquatic ***,the complexity of ecological processes governing lake biodiversity under multi-stressor interactions remains an ongoing concern,primarily due to insufficient long-term bioindicator data,particularly concerning macroinvertebrate *** we utilize a unique,continuous,and in situ biomonitoring dataset spanning from 2011 to 2019 to investigate the spatio-temporal variation of macroinvertebrate *** assess the impact of four crucial environmental parameters on Lake Dongting and Lake Taihu,i.e.,water quality,hydrology,climate change,and land *** two systems are representative of lakes with Yangtze-connected and disconnected subtropical floodplains in *** find an alarming trend of declining taxonomic and functional diversities among macroinvertebrate communities despite improvements in water *** contributing factors to this decline include persistent anthropogenic pressures,particularly alterations in human land use around the lakes,including intensified nutrient loads and reduced habitat ***,river-lake connectivity is pivotal in shaping differential responses to multiple *** results highlight a strong correlation between biodiversity alterations and land use within a 2e5 km radius and 0.05e2.5 km from the shorelines of Lakes Dongting and Taihu,*** findings highlight the importance of implementing land buffer zones with specific spatial scales to enhance taxonomic and functional diversity,securing essential ecosystem services and enhancing the resilience of crucial lake ecosystems.

关键词： Taxonomic richness Functional diversity Biotic homogenization River-lake connectivity Multiple stressors

Stable hydrogen isoscape in precipitation generated using data fusion for East China

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Science China Earth Sciences 2024年第9期67卷 2972-2988页

作者： Jiacheng CHEN Jie CHEN Xunchang john ZHANG peiyi pENG State Key Laboratory of Water Resources Engineering and Management Wuhan UniversityWuhan 430072China Hubei Key Laboratory of Water System Science for Sponge City Construction Wuhan UniversityWuhan 430072China USDA-ARS Oklahoma and Central plains Agricultural Research Center El Reno OK 73036USA Southwest Research Institute for Hydraulic and Water Transport Engineering Chongqing Jiaotong UniversityChongqing 400016China

The stable hydrogen isotope in precipitation is an effective environmental tracer for climatic and hydrologic ***,accurate and high-precision precipitation hydrogen isoscapes are currently unavailable in *** this study,a data fusion method based on Convolutional Neural Networks(CNN)is used to fuse the hydrogen isotopic composition(δ^(2)H_(p))of observations and isotope-equipped general circulation model(iGCM)simulations.A precipitation hydrogen isoscape with a temporal resolution of monthly and a spatial resolution of 50-60 km is established for East China for the 1969-2017 *** to building the isoscape,the performance of three data fusion methods(DFMs)and two bias correction methods(BCMs)is *** results indicate that the CNN fusion method performs the best with a correlation coefficient larger than 0.90 and root mean square error smaller than 10.5‰ when using observation as a *** fusion methods based on back propagation and long short-term memory neural network perform similarly,while slightly outperforming the bias correction ***,the CNN method is used to generate the hydrogen isoscape,and the temporal and spatial distribution characteristics of the hydrogen isotope in precipitation are analyzed based on this *** generated isoscape shows similar spatial and temporal distribution characteristics to *** general,the distribution pattern of δ^(2)H_(p) is consistent with the temperature effect in northern China,and consistent with the precipitation amount effect in southern *** trend of the δ^(2)H_(p) time series is consistent with that of observed precipitation and ***,the generated isoscape effectively reproduces the observations,and has the characteristics of time continuity and relative spatial regularity,which can provide valuable data support for tracking atmospheric and hydrological processes.

关键词： precipitation precipitation isotope General circulation model Data fusion Dataset

Effectiveness of Short Message Service Support on Adherence to Chemotherapy Treatment among patients Attending Cancer Treatment Facilities in Kenya

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Open Journal of Nursing 2024年第3期14卷 93-113页

作者： Nebert Kiguhe Mchidi john p. Oyore Gordon Ogweno Department of Specialized Surgery . Kenyatta National Hospital Nairobi Kenya Department of Community Health and Epidemiology School of Public Health Kenyatta University Nairobi Kenya Department of Medical physiology School of Medicine Kenyatta University Nairobi Kenya

Introduction: Cancer is a chronic debilitating disease that unnerves patients, communities, and nations. At some point in cancer patient’s disease experience, chemotherapy is used, and the patient is expected to adhere to treatment to improve survival and quality of life. Methods: This multisite Cluster Randomized Trial (CRT) evaluated the effectiveness of mobile phone Short Message Service (SMS) support on the adherence to treatment schedules among adult cancer patients in Kenya. Data was collected using questionnaires. Ethical approvals were obtained from relevant Ethical Review Boards (ERBs). Results: The mean adherence was 83%. There was a significant difference between treatment arms in relation to the adherence. The intervention arm had a higher mean adherence difference, M = 3.913, 95% CI 2.632-5.193, t (402) = 6.006, p ≤ 0.001), with Cohen’s d = 0.60. Although not significant, (χp>2p>dd = 0.151, df = 1, p = 2.064), more women were perfect adheres than males. perfect adherers were satisfied with SMS support (χp>2p>dd = 7.620, df = 1, p = 0.06), were in the intervention arm (χp>2p>dd = 22.942, df = 1, p ≤ 0.001), and had trust in the care provider (χp>2p>dd = 10.591 p ≤ 0.001). SMS support was not significant in the multivariate analysis but had an estimated effect size of 0.958 (z = 1.424, p = 0.154, CI = 0.242-3.781), indicating that mean adherence was slightly better in the presence of the intervention. Conclusions: SMS-support intervention has demonstrated superiority in influencing adherence. Further, health system-related factors have a significant influence on the adherence to chemotherapy treatment. Interventions to re-design health systems that are responsive to unmet care needs of cancer patients must be explored. .

关键词： Adherence Cancer Symptom Distress Quality of Life Medication posses-sion Ratio Short Message Service Survivorship

Hepatic vein reconstruction during hepatectomy:A feasible and underused technique

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Hepatobiliary & pancreatic Diseases International 2024年第4期23卷 421-427页

作者： Manish Ahuja Kunal Joshi Chris Coldham paulo Muiesan Bobby Dasari Manuel Abradelo Ravi Marudanayagam Darius Mirza john Isaac David Bartlett Nikolaos A Chatzizacharias Robert p Sutcliffe Keith J Roberts Department of HpB and Liver Transplant Surgery University Hospitals Birmingham NHS Foundation TrustBirminghamUK Institute of Immunology and Immunotherapy University of BirminghamBirminghamUK

Complete surgical resection(R0)of liver tumors,primary or metastatic,remains the main objective in management of primary and metastatic liver tumors[1].Tumors invading to the proximity of the hepatic venous outflow pose a peculiar challenge to achieve R0 resections,because this location may render a tumor *** median survival of patients with liver tumor without surgery is less than 12 months[2].Even with surgery,post-hepatectomy liver failure and subsequently increased mortality are the main problems associated with complex resection[3].Moreover,when the vein is affected,vein resection and subsequent reconstruction are *** resection is a standard practice in liver resection and transplantation[4],for example,hepatic vein reconstruction during a living-donor liver transplant,porto-mesenteric axis reconstruction during resection of advanced pancreatic cancer and caval reconstruction during resection of retroperitoneal ***,novel techniques like total hepatic vascular exclusion(HVE)[5],veno-venous bypass[6]and ex vivo hepatic resection[7,8]have facilitated curative resections of tumors close to one or more major hepatic veins.

关键词： hepatectomy surgery mortality