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Computed tomography enterography-based radiomics for assessing mucosal healing in patients with small bowel Crohn's disease
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作者 Hao Ding Yuan-Yuan Fang +5 位作者 Wen-Jie Fan Chen-Yu Zhang Shao-Fei Wang Jing Hu Wei Han Qiao Mei 《World Journal of Gastroenterology》 SCIE CAS 2025年第3期62-72,共11页
BACKGROUND Mucosal healing(MH)is the major therapeutic target for Crohn's disease(CD).As the most commonly involved intestinal segment,small bowel(SB)assessment is crucial for CD patients.Yet,it poses a significan... BACKGROUND Mucosal healing(MH)is the major therapeutic target for Crohn's disease(CD).As the most commonly involved intestinal segment,small bowel(SB)assessment is crucial for CD patients.Yet,it poses a significant challenge due to its limited accessibility through conventional endoscopic methods.AIM To establish a noninvasive radiomic model based on computed tomography enterography(CTE)for MH assessment in SBCD patients.METHODS Seventy-three patients diagnosed with SBCD were included and divided into a training cohort(n=55)and a test cohort(n=18).Radiomic features were obtained from CTE images to establish a radiomic model.Patient demographics were analysed to establish a clinical model.A radiomic-clinical nomogram was constructed by combining significant clinical and radiomic features.The diagnostic efficacy and clinical benefit were evaluated via receiver operating characteristic(ROC)curve analysis and decision curve analysis(DCA),respectively.RESULTS Of the 73 patients enrolled,25 patients achieved MH.The radiomic-clinical nomogram had an area under the ROC curve of 0.961(95%confidence interval:0.886-1.000)in the training cohort and 0.958(0.877-1.000)in the test cohort and provided superior clinical benefit to either the clinical or radiomic models alone,as demonstrated by DCA.CONCLUSION These results indicate that the CTE-based radiomic-clinical nomogram is a promising imaging biomarker for MH and serves as a potential noninvasive alternative to enteroscopy for MH assessment in SBCD patients. 展开更多
关键词 Crohn’s disease Computed tomography enterography Mucosal healing NOMOGRaM Radiomics
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Fecal calprotectin and endoscopic scores: The cornerstones in clinical practice for evaluating mucosal healing in inflammatory bowel disease 被引量:1
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作者 Marcia Henriques de Magalhães Costa Ligia Yukie Sassaki Júlio Maria Fonseca Chebli 《World Journal of Gastroenterology》 SCIE CAS 2024年第24期3022-3035,共14页
Managing inflammatory bowel disease(IBD)is becoming increasingly complex and personalized,considering the advent of new advanced therapies with distinct mechanisms of action.Achieving mucosal healing(MH)is a pivotal t... Managing inflammatory bowel disease(IBD)is becoming increasingly complex and personalized,considering the advent of new advanced therapies with distinct mechanisms of action.Achieving mucosal healing(MH)is a pivotal therapeutic goal in IBD management and can prevent IBD progression and reduce flares,hospitalization,surgery,intestinal damage,and colorectal cancer.Employing proactive disease and therapy assessment is essential to achieve better control of intestinal inflammation,even if subclinical,to alter the natural course of IBD.Periodic monitoring of fecal calprotectin(FC)levels and interval endoscopic evaluations are cornerstones for evaluating response/remission to advanced therapies targeting IBD,assessing MH,and detecting subclinical recurrence.Here,we comment on the article by Ishida et al Moreover,this editorial aimed to review the role of FC and endoscopic scores in predicting MH in patients with IBD.Furthermore,we intend to present some evidence on the role of these markers in future targets,such as histological and transmural healing.Additional prospective multicenter studies with a stricter MH criterion,standardized endoscopic and histopathological analyses,and virtual chromoscopy,potentially including artificial intelligence and other biomarkers,are desired. 展开更多
关键词 Fecal calprotectin Endoscopic scores Mucosal healing Histological healing Ulcerative colitis Inflammatory bowel diseases
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Disease clearance in ulcerative colitis:A new therapeutic target for the future
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作者 Syed Adeel Hassan Neeraj Kapur +2 位作者 Fahad Sheikh Anam Fahad Somia Jamal 《World Journal of Gastroenterology》 SCIE CAS 2024年第13期1801-1809,共9页
Advancements in murine modeling systems for ulcerative colitis have diversified our understanding of the pathophysiological factors involved in disease onset and progression.This has fueled the identification of molec... Advancements in murine modeling systems for ulcerative colitis have diversified our understanding of the pathophysiological factors involved in disease onset and progression.This has fueled the identification of molecular targets,resulting in a rapidly expanding therapeutic armamentarium.Subsequently,management strategies have evolved from symptomatic resolution to well-defined objective endpoints,including clinical remission,endoscopic remission and mucosal healing.While the incorporation of these assessment modalities has permitted targeted intervention in the context of a natural disease history and the prevention of complications,studies have consistently depicted discrepancies associated with ascertaining disease status through clinical and endoscopic measures.Current recommendations lack consideration of histological healing.The simultaneous achievement of clinical,endoscopic,and histologic remission has not been fully investigated.This has laid the groundwork for a novel therapeutic outcome termed disease clearance(DC).This article summarizes the concept of DC and its current evidence. 展开更多
关键词 Inflammatory bowel disease Ulcerative colitis Clinical remission Endoscopic remission Histological remission Mucosal healing disease clearance
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A Machine Learning-Based Web Application for Heart Disease Prediction
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作者 Jesse Gabriel 《Intelligent Control and Automation》 2024年第1期9-27,共19页
This work leveraged predictive modeling techniques in machine learning (ML) to predict heart disease using a dataset sourced from the Center for Disease Control and Prevention in the US. The dataset was preprocessed a... This work leveraged predictive modeling techniques in machine learning (ML) to predict heart disease using a dataset sourced from the Center for Disease Control and Prevention in the US. The dataset was preprocessed and used to train five machine learning models: random forest, support vector machine, logistic regression, extreme gradient boosting and light gradient boosting. The goal was to use the best performing model to develop a web application capable of reliably predicting heart disease based on user-provided data. The extreme gradient boosting classifier provided the most reliable results with precision, recall and F1-score of 97%, 72%, and 83% respectively for Class 0 (no heart disease) and 21% (precision), 81% (recall) and 34% (F1-score) for Class 1 (heart disease). The model was further deployed as a web application. 展开更多
关键词 Heart disease US Center for disease Control and Prevention Machine Learn-ing Imbalanced Data Web application
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Editor's Choice——Application of genetic engineering for the treatment of neurodegenerative diseases
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《Neural Regeneration Research》 SCIE CAS CSCD 2011年第26期2012-2012,共1页
Gene therapy has been shown to be an effective method for protecting neural functions in the substantia nigra,
关键词 GENE application of genetic engineering for the treatment of neurodegenerative diseases Editor’s Choice
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Acupoint selection rules for acupoint application in lung diseases in the post-epidemic era
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作者 An-Hong Dai Chun-Hong Luo +6 位作者 Yi-Hao Zhou Gan Huang Zhi-Lin Huang Xue-Lian Zhang Mei-Fang Liu Jing Shi You-Long Xiong 《TMR Integrative Medicine》 2022年第2期1-10,共10页
Objective:To summarize the rules of acupoint selection of acupoint application to prevent and treat lung diseases under the background the post-epidemic era using data-mining technology.Method:The CNKI,Wanfang databas... Objective:To summarize the rules of acupoint selection of acupoint application to prevent and treat lung diseases under the background the post-epidemic era using data-mining technology.Method:The CNKI,Wanfang database,and VIP database were searched for clinical study articles on lung diseases treated by acupoint application published in the past 5 years.Data-eligible papers were extracted to establish a database of acupoint application for lung disease using Microsoft Excel 2019,with the goal of analyzing the frequency of acupoints,acupoint-meridian association,acupoint-location association,specific acupoint frequency,and cluster analysis.Association rules,consisting of acupoints with an application frequency of≥10,were devised by the Apriori algorithm to explore the correlation between acupoint groups and to analyze the rules of the compatibility of acupoint prescriptions.Results:A total of 229 eligible papers met our inclusion criteria.Forty-seven acupoints were applied,for a total frequency of acupoints of 1,035 times.Among these,acupoints for lung diseases were primarily distributed in the back-and-waist and chest-and-abdomen areas.From the analysis of the association rules,we obtained four groups of acupoint association rules based on acupoint clusters with a frequency≥10 and found that Feishu(BL 13),Tiantu(CV 22),Dazhui(GV 14),Dingchuan(EX-B1),and Danzhong(CV 17)constitute the core acupoints of prescriptions for clinical acupoint application to prevent and treat lung diseases.Conclusion:It is clearly shown that the core acupoints are relatively concentrated and that the selected acupoints were mainly locally selected,which could be a matching reference for the long-term prevention and treatment of lung diseases,including COVID-19. 展开更多
关键词 acupoint application Lung diseases acupoint selection rules Post-epidemic era DaTa-MINING association rules Cluster analysis
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Treat to target in Crohn’s disease:A practical guide for clinicians 被引量:1
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作者 Ashish R Srinivasan 《World Journal of Gastroenterology》 SCIE CAS 2024年第1期50-69,共20页
A treat-to-target(T2T)approach applies the principles of early intervention and tight disease control to optimise long-term outcomes in Crohn's disease.The Selecting Therapeutic Targets in Inflammatory Bowel Disea... A treat-to-target(T2T)approach applies the principles of early intervention and tight disease control to optimise long-term outcomes in Crohn's disease.The Selecting Therapeutic Targets in Inflammatory Bowel Disease(STRIDE)-II guidelines specify short,intermediate,and long-term treatment goals,documenting specific treatment targets to be achieved at each of these timepoints.Scheduled appraisal of Crohn’s disease activity against pre-defined treatment targets at these timepoints remains central to determining whether current therapy should be continued or modified.Consensus treatment targets in Crohn’s disease comprise combination clinical and patient-reported outcome remission,in conjunction with biomarker normalisation and endoscopic healing.Although the STRIDE-II guidelines endorse the pursuit of endoscopic healing,clinicians must consider that this may not always be appropriate,acceptable,or achievable in all patients.This underscores the need to engage patients at the outset in an effort to personalise care and individualise treatment targets.The use of non-invasive biomarkers such as faecal calprotectin in conjunction with cross-sectional imaging techniques,particularly intestinal ultrasound,holds great promise;as do emerging treatment targets such as transmural healing.Two randomised clinical trials,namely,CALM and STARDUST,have evaluated the efficacy of a T2T approach in achieving endoscopic endpoints in patients with Crohn’s disease.Findings from these studies reflect that patient subgroups and Crohn’s disease characteristics likely to benefit most from a T2T approach,remain to be clarified.Moreover,outside of clinical trials,data pertaining to the real-world effectiveness of a T2T approach remains scare,highlighting the need for pragmatic real-world studies.Despite the obvious promise of a T2T approach,a lack of guidance to support its integration into real-world clinical practice has the potential to limit its uptake.This highlights the need to describe strategies,processes,and models of care capable of supporting the integration and execution of a T2T approach in real-world clinical practice.Hence,this review seeks to examine the current and emerging literature to provide clinicians with practical guidance on how to incorporate the principles of T2T into routine clinical practice for the management of Crohn’s disease. 展开更多
关键词 Treat to target Inflammatory bowel disease Crohn’s disease Treatment targets Endoscopic remission Transmural healing Time to response Intestinal ultrasound
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China Association of Chinese Medicine Paper notice for seminar on clinical application of TCM classic prescriptions and herbs in the treatment of emotional diseases
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作者 Academic Department of China Association of Chinese Medicine 《World Journal of Integrated Traditional and Western Medicine》 2018年第1期50-50,共1页
Hosted by ChinaAssociation of Chinese Medicine,and organized by World Journal of Integrated traditional and western Medicine,seminar on clinical application of TCM classic prescriptions and herbs in the treatment of e... Hosted by ChinaAssociation of Chinese Medicine,and organized by World Journal of Integrated traditional and western Medicine,seminar on clinical application of TCM classic prescriptions and herbs in the treatment of emotional diseaseis planned to be held in Yichang,Hubei province from June 22nd to 24th. 展开更多
关键词 China association of Chinese Medicine Paper notice for seminar on clinical application of TCM classic prescriptions and herbs in the treatment of emotional diseases TCM
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The Application of Bilayer Artificial Dermis Combined with VSD Technology in Chronic Wounds 被引量:1
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作者 Xianjin Dong Huasong Luo 《Journal of Biosciences and Medicines》 2024年第3期238-244,共7页
Background: Bilayer artificial dermis promotes wound healing and offers a treatment option for chronic wounds. Aim: Examine the clinical efficacy of bilayer artificial dermis combined with Vacuum Sealing Drainage (VSD... Background: Bilayer artificial dermis promotes wound healing and offers a treatment option for chronic wounds. Aim: Examine the clinical efficacy of bilayer artificial dermis combined with Vacuum Sealing Drainage (VSD) technology in the treatment of chronic wounds. Method: From June 2021 to December 2023, our hospital treated 24 patients with chronic skin tissue wounds on their limbs using a novel tissue engineering product, the bilayer artificial dermis, in combination with VSD technology to repair the wounds. The bilayer artificial dermis protects subcutaneous tissue, blood vessels, nerves, muscles, and tendons, and also promotes the growth of granulation tissue and blood vessels to aid in wound healing when used in conjunction with VSD technology for wound dressing changes in chronic wounds. Results: In this study, 24 cases of chronic wounds with exposed bone or tendon larger than 1.0 cm2 were treated with a bilayer artificial skin combined with VSD dressing after wound debridement. The wounds were not suitable for immediate skin grafting. At 2 - 3 weeks post-treatment, good granulation tissue growth was observed. Subsequent procedures included thick skin grafting or wound dressing changes until complete wound healing. Patients were followed up on average for 3 months (range: 1 - 12 months) post-surgery. Comparative analysis of the appearance, function, skin color, elasticity, and sensation of the healed chronic wounds revealed superior outcomes compared to traditional skin fl repairs, resulting in significantly higher satisfaction levels among patients and their families. Conclusion: The application of bilayer artificial dermis combined with VSD technology for the repair of chronic wounds proves to be a viable method, yielding satisfactory therapeutic effects compared to traditional skin flap procedures. 展开更多
关键词 Bilayer artificial Dermis Vacuum Sealing Drainage (VSD) Chronic Wounds Wound healing application
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Hydrogen sulfide responsive nanoplatforms: Novel gas responsive drug delivery carriers for biomedical applications
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作者 Jiafeng Zou Zeting Yuan +9 位作者 Xiaojie Chen You Chen Min Yao Yang Chen Xiang Li Yi Chen Wenxing Ding Chuanhe Xia Yuzheng Zhao Feng Gao 《Asian Journal of Pharmaceutical Sciences》 SCIE CAS 2024年第1期1-17,共17页
Hydrogen sulfide(H_(2)S)is a toxic,essential gas used in various biological and physical processes and has been the subject of many targeted studies on its role as a new gas transmitter.These studies have mainly focus... Hydrogen sulfide(H_(2)S)is a toxic,essential gas used in various biological and physical processes and has been the subject of many targeted studies on its role as a new gas transmitter.These studies have mainly focused on the production and pharmacological side effects caused by H_(2)S.Therefore,effective strategies to remove H_(2)S has become a key research topic.Furthermore,the development of novel nanoplatforms has provided new tools for the targeted removal of H_(2)S.This paper was performed to review the association between H_(2)S anddisease,relatedH_(2)S inhibitory drugs,aswell as H_(2)S responsive nanoplatforms(HRNs).This review first analyzed the role of H_(2)S in multiple tissues and conditions.Second,common drugs used to eliminate H_(2)S,as well as their potential for combination with anticancer agents,were summarized.Not only the existing studies on HRNs,but also the inhibition H_(2)S combined with different therapeutic methods were both sorted out in this review.Furthermore,this review provided in-depth analysis of the potential of HRNs about treatment or detection in detail.Finally,potential challenges of HRNs were proposed.This study demonstrates the excellent potential of HRNs for biomedical applications. 展开更多
关键词 Hydrogen sulfide disease mechanisms Removal of hydrogen sulfide Responsive nanoplatforms CHaLLENGES Biomedical applications
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Progress of Transmural Healing in Crohn’s Disease
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作者 Yinan Han Xiaoping Tan 《Journal of Biosciences and Medicines》 2024年第5期276-292,共17页
Recently transmural healing (TH) has become a subject of increasing interest as a potential therapeutic purpose for inflammatory bowel disease (IBD). Crohn’s disease (CD) is characterized by chronic inflammation of t... Recently transmural healing (TH) has become a subject of increasing interest as a potential therapeutic purpose for inflammatory bowel disease (IBD). Crohn’s disease (CD) is characterized by chronic inflammation of the gastrointestinal tract, which can involve any part of the digestive tract, and the lesions are usually discontinuous, with progressive and destructive transmural lesions that can lead to irreversible damage such as fibrotic strictures, complications such as fistulas and abscesses. Disease remission remains the primary goal of therapeutic management;however transmural healing is a very promising endpoint for monitoring treatment response. Along with small bowel imaging tests such as computed tomography scans Intestinal imaging (CTE), magnetic resonance intestinal imaging (MRE), intestinal ultrasound (IUS) and other related imaging technologies are popularized in CD diagnosis and treatment benefit. Transmural healing has been initially used in clinical practice and the correlation between its rules and long-term clinical remission has been explored. 展开更多
关键词 Transmural healing Inflammatory Bowel disease Crohn’s disease
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Establishment and Application of Prevention and Control Techniques of New Sugarcane White Leaf Disease
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作者 Xiaoyan WANG Ruonan QIU +8 位作者 Hong XU Yulong JIANG Rongyue ZHANG Fengyun ZHANG Ming GONG Jinxue LEI Hongli SHAN Jie LI Yingkun HUANG 《Agricultural Biotechnology》 2024年第4期18-20,27,共4页
Aiming at the basic and key technical problems in prevention and control of sugarcane white leaf disease(SCWL),this study systematically overcame key technical bottleneck of prevention and control of new SCWL after 10... Aiming at the basic and key technical problems in prevention and control of sugarcane white leaf disease(SCWL),this study systematically overcame key technical bottleneck of prevention and control of new SCWL after 10 years of collaborative research,and achieved several innovative achievements.SCWL phytoplasmas newly recorded in China and the new subgroup of SCWL phytoplasmas(16SrXI-D)were discovered for the first time in Yunnan,and the whole genome analysis of the epidemic subgroup was completed.The main transmission source of SCWL pathogens has been identified as infected seed canes,and Tettigoniella viridis and Clovia conifer were newly discovered as vectors for virus transmission.The disease resistance of 25 main varieties was identified,and 10 control varieties were selected.The prevention and control strategy of"emphasizing early warning,strictly carrying out quarantine,blocking the vectors and controlling residual plants"was put forward,and a comprehensive prevention technique was established through integration of various techniques,and standardized technical regulations were formulated for demonstration application.The promotion and application of these achievements have realized scientific prevention and control of SCWL,effectively curbed the spread of SCWL,and ensured the safety of sugarcane producing areas in China,achieving great economic,social and ecological benefits and providing technical support for high-quality development,loss reduction and efficiency improvement of China's sugar industry. 展开更多
关键词 Sugarcane white leaf disease Comprehensive prevention and control application
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Tamanu Oil in Acne Management: Potential Anti-Inflammatory and Wound-Healing Properties for Scar Reduction
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作者 Rachel Marciano Alexandra Loperfito +5 位作者 Maddie Moll Allison Liu Yuna Huh Nicole Werpachowski Kelly Frasier Julia Vinagolu-Baur 《Journal of Biomedical Science and Engineering》 2024年第10期185-193,共9页
Tamanu oil, derived from the nuts of Calophyllum inophyllum, has gained increasing attention for its potential in acne management due to its purported anti-inflammatory and wound-healing properties. This analysis eval... Tamanu oil, derived from the nuts of Calophyllum inophyllum, has gained increasing attention for its potential in acne management due to its purported anti-inflammatory and wound-healing properties. This analysis evaluates the efficacy of tamanu oil in acne treatment with a specific focus on its impact on inflammation and scar reduction. The novelty of this research lies in its comprehensive analysis of tamanu oil’s dual mechanism of action: reducing acne-related inflammation and promoting the healing of acne scars. Clinical trials and laboratory analyses were conducted to assess the oil’s effectiveness in diminishing erythema, swelling, and post-acne scarring compared to conventional treatments. Preliminary findings demonstrate that tamanu oil significantly reduces inflammation and accelerates wound healing, potentially offering a promising adjunct or alternative to standard acne therapies. Future research should aim to optimize formulation and application protocols, long-term effects, and comparative therapeutic efficacy with other anti-inflammatory agents. Tamanu oil offers a novel and effective approach to acne management, with potential advantages that go beyond inflammation reduction to include enhanced scar reduction, making it a subject that warrants further investigation. 展开更多
关键词 Tamanu Oil Calophyllum inophyllum acne Management anti-Inflammatory Properties Wound healing acne Scars Erythema Reduction Inflammation Reduction Scar Reduction alternative acne therapies Natural acne Treatments Dermatological applications of Tamanu Oil
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Advances in Research of Chinese Medicine Tianma in the Treatment of Parkinson's Disease
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作者 Feifan LIU Shifang LUO +4 位作者 Yan WAN Linao ZHANG Xue WU Yuhuan XIE Peixin GUO 《Medicinal Plant》 2024年第4期133-135,共3页
In this study,a systematic review was conducted on the experimental study as well as the clinical application of Tianma(Gastrodia elata Blume),a traditional Chinese medicine,in the prevention and treatment of Parkinso... In this study,a systematic review was conducted on the experimental study as well as the clinical application of Tianma(Gastrodia elata Blume),a traditional Chinese medicine,in the prevention and treatment of Parkinson's disease(PD).On this basis,a summary and outlook were made,so as to provide ideas and theoretical basis for the study,development and utilization of Tianma PD field. 展开更多
关键词 Tianma(Gastrodia elata Blume) Parkinson's disease(PD) Clinical application
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Analysis of the Effect of the Comprehensive Nursing Model on Patients with Moyamoya Disease Undergoing Intracranial and Extracranial Revascularization Surgery
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作者 Yuanrong Luo 《Journal of Clinical and Nursing Research》 2024年第2期28-32,共5页
Objective:To explore the effect of a comprehensive nursing model on patients with Moyamoya disease who underwent intracranial and extracranial revascularization surgery.Methods:110 cases were divided into control and ... Objective:To explore the effect of a comprehensive nursing model on patients with Moyamoya disease who underwent intracranial and extracranial revascularization surgery.Methods:110 cases were divided into control and observation groups with 55 cases each.The control group received routine perioperative care,and the observation group received perioperative care along with comprehensive nursing care.The two groups’disease cognition levels,anxiety,symptoms,daily living ability scores,and postoperative complication rates were compared.Results:The anxiety score and total postoperative complications of the observation group upon discharge were lower than that of the control group,and the disease cognition level and daily living ability upon discharge were higher than that of the control group(P<0.05).Conclusion:Applying the comprehensive nursing model in conjunction with perioperative care for patients undergoing surgery can effectively improve their anxiety,strengthen activities of daily living,and reduce the risk of postoperative complications. 展开更多
关键词 Comprehensive nursing model Moyamoya disease Intracranial and extracranial revascularization surgery application effect
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Mucosal healing in inflammatory bowel disease: Maintain orde-escalate therapy 被引量:6
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作者 Marcello Cintolo Giuseppe Costantino +1 位作者 Socrate Pallio Walter Fries 《World Journal of Gastrointestinal Pathophysiology》 CAS 2016年第1期1-16,共16页
In the past decade, thanks to the introduction of biologic therapies, a new therapeutic goal, mucosal healing(MH), has been introduced. MH is the expression of an arrest of disease progression, resulting in minor hosp... In the past decade, thanks to the introduction of biologic therapies, a new therapeutic goal, mucosal healing(MH), has been introduced. MH is the expression of an arrest of disease progression, resulting in minor hospitalizations, surgeries, and prolonged clinical remission. MH may be achieved with several therapeutic strategies reaching success rates up to 80% for both, ulcerative colitis(UC) and Crohn's disease(CD). Various scoring systems for UC and for the transmural CD, have been proposed to standardize the definition of MH. Several attempts have been undertaken to de-escalate therapy once MH is achieved, thus, reducing the risk of adverse events. In this review, we analysed the available studies regarding the achievement of MH and the subsequent treatment de-escalation according to disease type and administered therapy, together with non-invasive markers proposed as predictors for relapse. The available data are not encouraging since de-escalation after the achievement of MH is followed by a high number of clinical relapses reaching up to 50% within one year. Unclear is also another question, in case of combination therapies, which drug is more appropriate to stop, in order to guarantee a durable remission. Predictors of unfavourable outcome such as disease extension, perianal disease, or early onset disease appear to be inadequate to foresee behaviour of disease. Further studies are warranted to investigate the role of histologic healing for the further course of disease. 展开更多
关键词 DE-ESCaLaTION MUCOSaL healing Biologicaltherapy Deep REMISSION DISCONTINUaTION Ulcerativecolitis Crohn's disease Immunosuppressors
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Ephrin-B2 is differentially expressed in the intestinal epithelium in Crohn's disease and contributes to accelerated epithelial wound healing in vitro 被引量:9
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作者 Christian Hafner Stefanie Meyer +8 位作者 Thomas Langmann Gerd Schmitz Frauke Bataille Ilja Hagen Bernd Becker Alexander Roesch Gerhard Rogler Michael Landthaler Thomas Vogt 《World Journal of Gastroenterology》 SCIE CAS CSCD 2005年第26期4024-4031,共8页
AIM:Eph receptor tyrosine kinases and their membrane bound receptor-like ligands, the ephrins, represent a bi-directional cell-cell contact signaling system that directs epithelial movements in development. The meanin... AIM:Eph receptor tyrosine kinases and their membrane bound receptor-like ligands, the ephrins, represent a bi-directional cell-cell contact signaling system that directs epithelial movements in development. The meaning of this system in the adult human gut is unknown. We investigated the Eph/ephrin mRNA expression in the intestinal epithelium of healthy controls and patients with inflammatory bowel disease (IBD). METHODS: mRNA expression profiles of all Eph/ephrin family members in normal small intestine and colon were established by real-time RT-PCR. In addition, differential expression in IBD was investigated by cDNA array technology, and validated by both real-time RT-PCR and immunohistochemistry. Potential effects of enhanced EphB/ephrin-B signaling were analyzed in an in vitro IEC-6 cell scratch wound model. RESULTS: Human adult intestinal mucosa exhibits a complex pattern of Eph receptors and ephrins. Beside the known prominent co-expression of EphA2 and ephrinAl, we found abundantly co-expressed EphB2 and ephrin-B1/2. Interestingly, cDNA array data, validated by real-time PCR and immunohistochemistry, showed upregulation of ephrin-B2 in both perilesional and lesional intestinal epithelial cells of IBD patients, suggesting a role in epithelial homeostasis. Stimulation of ephrin-B signaling in ephrin- B1/2 expressing rat IEC-6-cells with recombinant EphB1-Fc resulted in a significant dose-dependent acceleration of wound closure. Furthermore, fluorescence microscopy showed that EphB1-Fc induced coordinated migration of wound edge cells is associated with enhanced formation of lamellipodial protrusions into the wound, increased actin stress fiber assembly and production of laminin at the wound edge. CONCLUSION: EphB/ephrin-B signaling might represent a novel protective mechanism that promotes intestinal epithelial wound healing, with potential impact on epithelial restitution in IBD. 展开更多
关键词 Ephrin-B2 Crohn's disease IBD IEC-6 Wound healing Epithelial restitution
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Thinking outside the liver: Induced pluripotent stem cells for hepatic applications 被引量:4
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作者 Mekala Subba Rao Mitnala Sasikala D Nageshwar Reddy 《World Journal of Gastroenterology》 SCIE CAS 2013年第22期3385-3396,共12页
The discovery of induced pluripotent stem cells (iPSCs) unraveled a mystery in stem cell research, after identification of four re-programming factors for generating pluripotent stem cells without the need of embryos.... The discovery of induced pluripotent stem cells (iPSCs) unraveled a mystery in stem cell research, after identification of four re-programming factors for generating pluripotent stem cells without the need of embryos. This breakthrough in generating iPSCs from somatic cells has overcome the ethical issues and immune rejection involved in the use of human embryonic stem cells. Hence, iPSCs form a great potential source for developing disease models, drug toxicity screening and cell-based therapies. These cells have the potential to differentiate into desired cell types, including hepatocytes, under in vitro as well as under in vivo conditions given the proper microenvironment. iPSC-derived hepatocytes could be useful as an unlimited source, which can be utilized in disease modeling, drug toxicity testing and producing autologous cell therapies that would avoid immune rejection and enable correction of gene defects prior to cell transplantation. In this review, we discuss the induction methods, role of reprogramming factors, and characterization of iPSCs, along with hepatocyte differentiation from iPSCs and potential applications. Further, we discuss the location and detection of liver stem cells and their role in liver regeneration. Although tumor formation and genetic mutations are a cause of concern, iPSCs still form a promising source for clinical applications. 展开更多
关键词 LIVER STEM cells HEPaTOCYTES disease modeling Drug toxicity Clinical applicationS PaTIENT-SPECIFIC induced PLURIPOTENT STEM cell-derived HEPaTOCYTES
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Remote Sensing and Precision Agriculture Technologies for Crop Disease Detection and Management with a Practical Application Example 被引量:14
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作者 Chenghai Yang 《Engineering》 SCIE EI 2020年第5期528-532,共5页
Remote sensing technology has long been used to detect and map crop diseases.Airborne and satellite imagery acquired during growing seasons can be used not only for early detection and within-season management of some... Remote sensing technology has long been used to detect and map crop diseases.Airborne and satellite imagery acquired during growing seasons can be used not only for early detection and within-season management of some crop diseases,but also for the control of recurring diseases in future seasons.With variable rate technology in precision agriculture,site-specific fungicide application can be made to infested areas if the disease is stable,although traditional uniform application is more appropriate for diseases that can spread rapidly across the field.This article provides a brief overview of remote sensing and precision agriculture technologies that have been used for crop disease detection and management.Specifically,the article illustrates how airborne and satellite imagery and variable rate technology have been used for detecting and mapping cotton root rot,a destructive soilborne fungal disease,in cotton fields and how site-specific fungicide application has been implemented using prescription maps derived from the imagery for effective control of the disease.The overview and methodologies presented in this article should provide researchers,extension personnel,growers,crop consultants,and farm equipment and chemical dealers with practical guidelines for remote sensing detection and effective management of some crop diseases. 展开更多
关键词 Crop disease airborne imagery High-resolution satellite imagery Cotton root rot Prescription map Variable rate application
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Regulation of the intestinal microbiota: An emerging therapeutic strategy for inflammatory bowel disease 被引量:9
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作者 Bei Yue Zhi-Lun Yu +3 位作者 Cheng Lv Xiao-Long Geng Zheng-Tao Wang Wei Dou 《World Journal of Gastroenterology》 SCIE CAS 2020年第30期4378-4393,共16页
The rapid development of metagenomics,metabolomics,and metatranscriptomics provides novel insights into the intestinal microbiota factors linked to inflammatory bowel disease(IBD).Multiple microorganisms play a role i... The rapid development of metagenomics,metabolomics,and metatranscriptomics provides novel insights into the intestinal microbiota factors linked to inflammatory bowel disease(IBD).Multiple microorganisms play a role in intestinal health;these include bacteria,fungi,and viruses that exist in a dynamic balance to maintain mucosal homeostasis.Perturbations in the intestinal microbiota disrupt mucosal homeostasis and are closely related to IBD in humans and colitis in mice.Therefore,preventing or correcting the imbalance of microbiota may serve as a novel prevention or treatment strategy for IBD.We review the most recent evidence for direct or indirect interventions targeting intestinal microbiota for treatment of IBD in order to overcome the current limitations of IBD therapies and shed light on personalized treatment options. 展开更多
关键词 Inflammatory bowel disease Pro/Prebiotics Fecal microbiota transplantation Herbal medicines Clinical application
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