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Long-term outcome of stem cell transplantation with and without anti-tumor necrotic factor therapy in perianal fistula with Crohn’s disease

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World Journal of Stem Cells 2024年第3期16卷 257-266页

作者： min Young Park Yong sik Yoon Jae Ha Park Jong Lyul Lee Chang sik Yu Division of Colon and Rectal Surgery Department of SurgeryYonsei University College of MedicineSeoul 03722South Korea Division of Colon and Rectal Surgery Department of SurgeryUniversity of Ulsan College of MedicineAsan Medical CenterSeoul 05505South Korea

BACKGROUND Stem cell transplantation is a promising therapeutic option for curing perianal fistula in Crohn’s disease(CD).Anti-tumor necrotic factor(TNF)therapy combined with drainage procedure is effective as ***,previous studies are limited to proving whether the combination treatment of biologics and stem cell transplantation improves the effect of fistula *** This study aimed to evaluate the long-term outcomes of stem cell transplantation and compare Crohn’s perianal fistula(CPF)closure rates after stem cell transplantation with and without anti-TNF therapy,and to identify the factors affecting CPF closure and *** The patients with CD who underwent stem cell transplantation for treating perianal fistula in our institution between Jun 2014 and December 2022 were *** data were compared according to anti-TNF therapy and CPF *** A total of 65 patients were *** median age of females was 26 years(range:21-31)and that of males was 29(44.6%).The mean follow-up duration was 65.88±32.65 months,and complete closure was observed in 50(76.9%)*** closure rates were similar after stem cell transplantation with and without anti-TNF therapy(66.7%vs 81.6%at 3 year,P=0.098).The patients with fistula closure had short fistulous tract and infrequent proctitis and anorectal stricture(P=0.027,0.002,and 0.008,respectively).Clinical factors such as complexity,number of fistulas,presence of concurrent abscess,and medication were not significant for *** cumulative 1-,2-,and 3-year closure rates were 66.2%,73.8%,and 75.4%,*** Anti-TNF therapy does not increase CPF closure rates in patients with stem cell ***,both refractory and non-refractory CPF have similar closure rates after additional anti-TNF *** tract length,proctitis,and anal stricture are risk factors for non-closure in patients with CPF after stem cell transplantation.

关键词： Crohn’s disease Anus Fistula Stem cell transplantation Tumor necrosis factor-alpha inhibitors Infliximab

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Short- and long-term outcomes of surgical treatment in patients with intestinal Behcet’s disease

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World Journal of Gastrointestinal Surgery 2024年第2期16卷 429-437页

BACKGROUND Behcet’s disease(BD),a chronic vasculitic disorder affecting multiple organs,is characterized by recurrent oral and genital ulcers,arthritis,vasculitis,and intes-tinal *** intestinal involvement of BD is common in East Asia,the efficacy and long-term outcomes of surgical treatment of intestinal BD still remain to be *** To evaluate the postoperative clinical course of intestinal BD and determine factors associated with its *** Data from patients who underwent surgical treatment for intestinal BD between January 2010 and August 2021 were retrospectively ***’demo-graphics,clinical features,postoperative course,complications,and follow-up data were *** We analyzed 39 surgeries in 31 *** mean patient age was 45.1 years,and the mean interval between the diagnosis of intestinal BD and surgical treatment was 4.9 years(range 1.0-8.0 years).The most common indication for surgery was medical intractability(n=16,41.0%),followed by fistula or abscess(n=11,28.2%).Laparoscopic approaches were used in 19 patients(48.7%),and 5 patients(12.8%)underwent emergency *** most common surgical procedure was ileocecal resection(n=18,46.2%),followed by right colectomy(n=11,28.2%).A diverting stoma was created in only one patient(2.6%).During a mean follow-up period of 45(range 8-72)months,eight cases(20.5%)of recurrence in five patients required *** interval between operations was 12.1 months(range 6.3-17.8 mo).Four patients(10.3%)experienced recurrence within 1 year postoperatively,and all eight recurrences occurred within 2 years of the initial *** reoperation rates at 1 and 3 years were 10.3%and 20.5%,respectively.A redo ileocolic anastomosis was performed in all recurrent *** multivariate Cox regression analysis,emergency surgery[hazard ratio(HR)9.357,95%confidence interval(CI):1.608-54.453,P=0.013]and elevated C-reactive protein(CRP)levels(HR 1.154,95%CI:1.002–1.328,

关键词： Behcet syndrome Intestinal General surgery Recurrence Risk factors

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Treatment preferences in men with erectile dysfunction： an open label study in Korean men switching from sildenafil citrate to tadalafil

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Asian Journal of Andrology 2007年第6期9卷 760-770页

作者： Tai Young Ahn Sung Won Lee Sae-Woong Kim Dae Yul Yang Nam Cheol Park kweon-sik min Kwangsung Park Jae-Seung Paick Yulia Dyachkova Trisha Dwight Myung-Sea Luke Lee Asan Medical Centre Seoul 138-736 Korea Samsung Medical Centre Seoul 135-710 Korea Youido St Marys Hospital Seoul 150-713 Korea Kang Dong Sacred Heart Hospital Seoul 134-701 Korea Pusan National University Hospital Pusan 602-739 Korea Pusan lnje University Paik Hospital Pusan 614-735 Korea Chonnam National University Hospital Gwangju 501-757 Korea Seoul National University Hospital Seoul 110-744 Korea Area Medical Centre Vienna Eli Lilly Austria Sydney A-1030 Australia Intercontinental Information Sciences Eli Lilly Australia Sydney 2113 Australia Eli Lilly Korea Seoul 135-280 Korea

To evaluate patient preferences for sildenafil citrate or tadalafil （PDE-5 inhibitors available for the treatment of erectile dysfunction [ED]） and assess potential reasons for these preferences. Methods： This open-label study was conducted on Korean men taking sildenafil, at least 6 weeks prior to study entry, for ED. Following screening, patients continued sildenafil treatment for 4 weeks, then after a 1-week washout period, switched to tadalafil for 8 weeks. Patients then continued with their treatment of choice during an extension phase. Psychosocial factors （time concern, spontaneity, sexual self-confidence） were evaluated using Psychological and Interpersonal Relation- ship Scales （PAIRS）, while timing of dose to sexual attempt patterns were assessed from patient diaries. Results： The present study enrolled 160 Korean men （mean age 55 years） with prior median sildenafil use of 585 days. During the extension phase, 73.7% of patients elected to take tadalafil, whereas 26.3% chose sildenafil （P 〈 0.001）. After switching from sildenafil to tadalafil, mean PAIRS time concern scores decreased from 2.54 to 2.42 （P = 0.002）, with no statistically significant differences observed between the sildenafil and tadalafil assessment phases in sexual spontaneity and self-confidence scores. Sexual attempts made 〉 4 h to 〈 36 h post-dose occurred in 4.5% of patients during the sildenafil assessment phase compared with 17.5% during the tadalafil assessment phase. Conclusion： After experiencing both sildenafil and tadalafil, the majority of patients exhibited a preference for tadalafil. This preference might be influenced by psychosocial factors, such as decreased time concerns, and a broader window of opportunity available for sexual activity.

关键词： erectile dysfunction tadalafil sildenafil citrate Psychological and Interpersonal Relationship Scales preference

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Prevalence of premature ejaculation in young and middle-aged men in Korea： a multicenter intemet-based survey from the Korean Andrological Society

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Asian Journal of Andrology 2010年第6期12卷 880-889页

作者： Hyun Jun Park Jong Kwan Park Kwangsung Park Sung Won Lee Sae-Woong Kim Dae Yul Yang DU Geon Moon kweon-sik min Ki-Hak Moon Sang-Kuk Yang Jae Seog Hyun Nam Cheol Park Deparment of Urology Pusan National University School of medicine Busan 602739 Korea Deparment of Urology Chonbuk National University Medical School Jeonju 561712 Korea Deparment of Urology Chonnam National University Medical School Gwangju 501746 Korea Deparment of Urology Sungkyunkwan Univer＆ty School of Medicine Seou1135 710 Korea Deparment of Urology Catholic University College of Medicine Seoul 137701 Korea Deparment of Urology Hallym University College of Medicine Seoul 13 7701 Korea Deparment of Urology Korea University College of Medicine Seoul 152703 Korea Deparment of Urology lnje University College of Medicine Busan 614735 Korea Deparment of Urology Yeungnam University College of Medicine Daegu 705717 Korea Deparment of Urology Konkuk University School of Medicine Chungju 380704 Korea Deparment of Urology Gyeongsang National University School of Medicine Jinju 660702 Korea

In this study, we aimed to investigate the prevalence and perception of premature ejaculation （PE） in young and middle-aged Korean men. The study was conducted using an Internet-assisted questionnaire. A total of 2 037 Korean male adults, aged 20 years or older, were randomly sampled based on age and residency. The questionnaire developed by the PE Study Group of the Korean Andrological Society includes four categories （overall sexual function, symptoms, distress and treatment） with a total of 16 questions. For each question, symptoms were evaluated by a scale ranging from 0 to 10. Intravaginal ejaculation latency time was ‘5-10 min＇ in 38.6%, followed by ‘longer than 10 min＇ in 2919%, ‘2-5 min＇ in 23.6%, ‘1-2 min＇ in 5.4% and ‘shorter than 1 min＇ in 2.5%. In our series, 27.5% of respondents reported having PE. Control over ejaculation within a recent 3-month period was 6.2 points on average. Respondent complaints of PE-related stress averaged 7.1 points and stress-related complaints from sexual partners averaged 7.1 points. The effect of PE on sexual life was 6.8 points. Of the respondents determined as having PE, 42.6% responded that they were inclined to receive treatment. Results from this study suggest that the prevalence of PE diagnosed by the respondent on his own was approximately 27.5% in young and middle-aged men in Korea. PE-related stress had a significant effect on the stress, sexual activity and quality of life of the respondent and his sexual partner.

关键词： epidemiology premature ejaculation questionnaire sexual dysfunction

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Effectiveness of sensory integration therapy in children,focusing on Korean children:A systematic review and meta-analysis

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World Journal of Clinical Cases 2024年第7期12卷 1260-1271页

作者： Seri Oh Jong-sik Jang A-Ra Jeon Geonwoo Kim Mihwa Kwon Bahoe Cho Narae Lee Department of Occupational Therapy Kangwon National University Graduate SchoolSamcheok 25949South Korea Department of Occupational Therapy Kangwon National UniversitySamcheok 25949South Korea Department of Occupational Therapy Ju-Ju Children Development CenterNonsansi 32985Chungcheongnam-doSouth Korea Department of Occupation Therapy Suwon Women’s UniversityGyeonggi-do 16632South Korea Hijam Center for Development of Children Ochang 28117South Korea Department of Occupational Therapy U1 UniversityChung-cheong bukdo 25949South Korea

BACKGROUND Sensory integration intervention is highly related to the child's effective interaction with the environment and the child's ***,various sensory integration interventions are being applied,but research methodological problems are arising due to unsystematic *** study aims to present the optimal intervention protocol by presenting scientific standards for sensory integration intervention through *** To prove the effectiveness of sensory integration therapy,examine the latest trend of sensory integration studies in Korea,and provide clinical evidence for sensory integration *** The database of Korean search engines,including RISS,KISS,and DBpia,was used to search for related literature published from 2001 to October *** keywords,“Children”,“Sensory integration”,“Integrated sensory”,“Sensorymotor”,and“Sensory stimulation”were used in this ***,a meta-analysis was conducted on 24 selected studiesRISS,KISS,and DBpia,was used to search for related literature published from 2001 to October *** keywords,“Children”,“Sensory integration”,“Integrated sensory”,“Sensorymotor”,and“Sensory stimulation”were used in this ***,a meta-analysis was conducted on 24 selected *** Sensory integration intervention has been proven effective in children with cerebral palsy,autism spectrum disorder,attention deficit/hyperactivity disorder,developmental disorder,and intellectual disability in relation to the diagnosis of *** sensory integration therapies,1:1 individual treatment with a therapist or a therapy session lasting for 40 min was most *** terms of dependent variables,sensory integration therapy effectively promoted social skills,adaptive behavior,sensory processing,and gross motor and fine motor *** The results of this study may be used as therapeutic evidence for sensory integration intervention in the clinical field of occupational therapy for

关键词： Children Meta-analysis Occupational therapy Sensory integration Sensory processing Social skills

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Robust vision-based displacement measurement and acceleration estimation using RANSAC and Kalman filter

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Earthquake Engineering and Engineering Vibration 2023年第2期22卷 347-358页

作者： Jongbin Won Jong-Woong Park min-Hyuk Song Youn-sik Kim Dosoo Moon Department of Civil and Environmental Engineering Chung-Ang UniversityDongjakSeoul 06974Korea Department of Smart Cities Chung-Ang UniversityDongjakSeoul 06974Korea R&D Division Tantan Safety co.LtdSeongdongSeoul 04798Korea Department of Civil and Environmental Engineering University of Hawaii at ManoaHonolulu 96822USA

Computer vision(CV)-based techniques have been widely used in the field of structural health monitoring(SHM)owing to ease of installation and cost-effectiveness for displacement *** paper introduces computer vision based method for robust displacement measurement under occlusion by incorporating random sample consensus(RANSAC).The proposed method uses the Kanade-Lucas-Tomasi(KLT)tracker to extract feature points for tracking,and these feature points are filtered through RANSAC to remove points that are noisy or *** the filtered feature points,the proposed method incorporates Kalman filter to estimate acceleration from velocity and displacement extracted by the *** validation,numerical simulation and experimental validation are *** the simulation,performance of the proposed RANSAC filtering was validated to extract correct displacement out of group of displacements that includes dummy displacement with noise or *** the experiment,both RANSAC filtering and acceleration measurement were validated by partially occluding the target for tracking attached on the *** results demonstrated that the proposed method successfully measures displacement and estimates acceleration as compared to a reference displacement sensor and accelerometer,even under occluded conditions.

关键词： computer vision structural displacement structural acceleration RANSAC Kalman filter

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MicroRNA miR-252-5p regulates the Notch signaling pathway by targeting Rab6 in Drosophila wing development

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Insect Science 2023年第5期30卷 1431-1444页

作者： Do-Hwan Lim min-Seok Choi Ji Won Jeon Young sik Lee School of Systems Biomedical Science Soongsil UniversitySeoulRepublic of Korea College of Life Sciences and Biotechnology Korea UniversitySeoulRepublic of Korea Institute of Animal Molecular Biotechnology Korea UniversitySeoulRepublic of Korea

The Notch signaling pathway plays a central role in the development of various ***,dysregulation of microRNAs(miRNAs),which are crucial regulators of gene expression,can disrupt signaling pathways at all stages of *** Notch signaling is involved in wing development in Drosophila,the mechanism underlying miRNA-based regulation of the Notch signaling pathway is ***,we report that loss of Drosophila miR-252 increases the size of adult wings,whereas the overexpression of miR-252 in specific compartments of larval wing discs leads to patterning defects in the adult *** miR-252 overexpression-induced wing phenotypes were caused by aberrant Notch signaling with intracellular accumulation of the full-length Notch receptor during development,which could be due to defects in intracellular Notch trafficking associated with its recycling to the plasma membrane and autophagy-mediated ***,we identified Rab6 as a direct target of miR-252-5p;Rab6 encodes a small Ras-like GTPase that regulates endosomal trafficking *** with this finding,RNAi-mediated downregulation of Rab6 led to similar defects in both wing patterning and Notch ***,co-overexpression of Rab6 completely rescued the wing phenotype associated with miR-252 overexpression,further supporting that Rab6 is a biologically relevant target of miR-252-5p in the context of wing ***,our data indicate that the miR-252-5p-Rab6 regulatory axis is involved in Drosophila wing development by controlling the Notch signaling pathway.

关键词： Drosophila miR-252-5p Notch signaling Rab6 wing development

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Lithospheric thinning and ignition of a Cordilleran magmatic flare-up:Geochemical and O-Hf isotopic constraints from Cretaceous plutons in southern Korea

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Geoscience Frontiers 2023年第1期14卷 327-345页

作者： Albert Chang-sik Cheong min-Ji Jung Hui JeJo Jeongmin Kim Shinae Lee Youn-Joong Jeong Korea Basic Science Institute Ochang Center Cheongju 28119Republic of Korea Graduate School of Analytical Science and Technology Chungnam National UniversityDaejeon 34134Republic of Korea Korea Institute of Geoscience and mineral Resources Daejeon 34132Republic of Korea

Northeast Asian continental margins contain the products of magma emplacement driven by prolonged subduction of the(paleo-)Pacific *** observed in many Cordilleran arcs,magmatic evolution in this area was punctuated by high-volume pulses amid background *** present study investigates the early evolution of the Cretaceous magmatic flare-up using new and published geochronological,geochemical,and O-Hf isotope data from plutonic rocks in the southern Korean *** a long(~50 m.y.)magmatic hiatus and the development of the Honam Shear Zone through flat-slab subduction,the Cretaceous flare-up began with the intrusion of monzonites,granodiorites,and granites in the inboard Gyeonggi Massif and the intervening Okcheon *** to Jurassic granitoids formed during the former flare-up,Albian(~111 Ma)monzonites found in the Eopyeong area of the Okcheon Belt have distinctly higher zirconε_(Hf)(t)(-7.5±1.3)andδ^(18)O(7.78‰±0.25‰)values and lower wholerock La/Yb and Sr/Y *** voluminous coeval granodiorite and granite plutons in the Gyeonggi Massif are further reduced in Sr/Y and to a lesser extent,in La/Yb,and have higher zirconε_(Hf)(t)values(-13 to-19)than the Precambrian basement(ca.-30).These chemical and isotopic features indicate that Early Cretaceous lithospheric thinning,most likely resulting from delamination of tectonically and magmatically overthickened lithospheric keel that was metasomatized during prior subduction episodes,and consequent asthenospheric upwelling played vital roles in igniting the magmatic *** O-Hf isotopic ranges of synmagmatic zircons from the Albian plutons and their Paleoproterozoic and Jurassic inheritance attest to the involvement of lithospheric mantle and crustal basement in magma generation during this decratonization *** magmatism then migrated trenchward and culminated in the Late Cretaceous,yielding widespread granitoid rocks emplaced at shallow crustal *** early Late Cretaceous(94-8

关键词： Cordilleran arc Cretaceous flare-up Korean Peninsula Lithospheric thinning Crustal rejuvenation

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Usefulness of transcatheter arterial embolization for eighty-three patients with secondary postpartum hemorrhage:Focusing on difference in angiographic findings

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World Journal of Clinical Cases 2023年第15期11卷 3471-3480页

作者： Bong Man Kim Gyeong sik Jeon min Jeong Choi Nam-Soo Hong Department of Radiology Dankook University HospitalDankook University College of MedicineCheonan-si 31116Chungcheongnam-doSouth Korea Department of Radiology CHA Bundang Medical CenterCollege of MedicineCHA UniversitySeongnam-si 13496Gyeonggi-doSouth Korea Department of Preventive Medicine School of MedicineKyungpook National UniversityDaegu 41944South Korea

BACKGROUND Transcatheter arterial embolization(TAE)has been widely used as an effective and a safe treatment method and was often used as an alternative to the surgical management,but there are limited studies on the efficacy and the safety for patients undergoing their secondary postpartum hemorrhage(PPH).AIM To evaluate the usefulness of TAE for secondary PPH focusing on the angiographic *** We conducted a research from January 2008 to July 2022 on all 83 patients(mean:32 years,range:24-43 years)presented with secondary PPH and they were treated with TAE in two university *** medical records and angiography were retrospective reviewed in order to evaluate the patients’characteristics,delivery details,clinical status and peri-embolization management,angiography and embolization details,technical/clinical success and *** group with active bleeding sign and the group without it were also compared and *** On angiography,46(55.4%)patients showed active bleeding signs such as contrast extravasation(n=37)or pseudoaneurysm(n=8)or both(n=1),and 37(44.6%)patients showed non-active bleeding signs such as only spastic uterine artery(n=2)or hyperemia(n=35).In the active bleeding sign group there were more multiparous patients,low platelet count,prothrombin time prolongation,and high transfusion *** technical success rates were 97.8%(45/46)in active bleeding sign group and 91.9%(34/37)in non-active bleeding sign group,and the overall clinical success rates were 95.7%(44/46)and 97.3%(36/37).An uterine rupture with peritonitis and abscess formation occurred to one patient after the embolization,therefore hysterostomy and retained placenta removal were performed which was a major *** TAE is an effective and a safe treatment method for controlling secondary PPH regardless of angiographic findings.

关键词： Postpartum hemorrhage Angiography Transcatheter arterial embolization Pseudoaneurysm Nbutylcyanoacrylate

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Improving toughness of medium-Mn steels after friction stir welding through grain morphology tuning

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Journal of Materials Science & Technology 2022年第23期118卷 243-254页

作者： Mun sik Jeong Tak min Park Dong-Il Kim Hidetoshi Fujii Hye Ji Im Pyuck-Pa Choi Seung-Joon Lee Jeongho Han Division of Materials Science and Engineering Hanyang UniversitySeoul 04763Republic of Korea Department of Advanced Materials Engineering Korea Polytechnic UniversitySiheung 15073Republic of Korea Joining and Welding Research Institute Osaka UniversityOsaka 567-0047Japan Department of Materials Science and Engineering Korea Advanced Institute of Science and TechnologyDaejeon 34141Republic of Korea Department of Materials Science and Engineering Northwestern UniversityEvanstonIL 60208USA

This work demonstrated the viability of friction stir welding for the welding of medium-Mn steels when used as cryogenic vessel materials for liquefied gas *** used an intercritically annealed Fe-7 Mn-0.2 C-3 Al(wt.%)steel with a dual-phase(α'martensite andγ_(R) retained austenite)nanolaminate structure as a base material and systematically compared its microstructure and impact toughness after friction stir and tungsten inert gas *** friction stir welded specimen exhibited a large amount ofγ_(R) phase owing to a relatively low temperature during welding,whereas the tungsten inert gas welded specimen comprised only theα'***,the friction stir welded steel exhibited a tuned morphology of nanoscale globular microstructure at the weld zone and did not exhibit any prior austenite grain boundary due to active recrystallization caused by deformation during *** preserved fraction ofγ_(R) and morphological tuning in the weldment improved the impact toughness of the friction stir welded steel at low *** the steel processed by tungsten inert gas welding,the notch crack propagated rapidly along the prior austenite grain boundaries-weakened by Mn and P segregations-resulting in poor impact ***,the friction stir welded steel exhibited a higher resistance against notch crack propagation due to the slow crack propagation along the ultrafine ferrite/ferrite(α/α)interfaces,damage tolerance by the active transformation-induced plasticity from the large amount ofγR,and enhanced boundary cohesion by suppressed Mn and P segregations.

关键词： Charpy impact test Transformation-induced plasticity Friction stir welding Phase stability Medium-Mn steel

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