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Muscle hematoma:A critically important complication of alcoholic liver cirrhosis

World Journal of Gastroenterology 2009年第35期15卷 4457-4460页

作者： Chiyo Sugiyama Akifumi Akai Noriyoshi Yamakita Tsuneko ikeda Keigo Yasuda Department of Internal Medicine Matsunami General Hospital185-1 DendaiKasamatsu-choHashima-gunGifu 501-6062Japan Department of Pathology Matsunami General Hospital185-1 DendaiKasamatsu-choHashima-gunGifu 501-6062Japan

An iliopsoas hematoma can occur either spontaneously or secondary to trauma or bleeding tendency due to hemophilia and anticoagulant *** liver cirrhosis is commonly associated with coagulopathy, iliopsoas hematoma is very *** herein,present a case of bilateral iliopsoas hematoma in a patient with alcoholic cirrhosis,and review the literature on muscle hematoma associated with cirrhosis.A 56-year-old man with alcoholic cirrhosis was admitted in a state of shock with *** cause of anemia could not be detected,and the patient was treated conservatively. The site of bleeding was not detected with either gastroduodenal endoscopy or upper abdominal computed tomography,the latter of which did not include the iliopsoas *** died on the 10th day of admission and bilateral iliopsoas hematomas were found on *** iron stain was positive in the iliopsoas *** cases of muscle hematoma associated with cirrhosis,including the present case, were found in a review of the *** of these cases involved the rectus abdominis muscle,3 involved the iliopsoas muscle and 1 involved combined *** cirrhosis accounted for 75%of the *** case(12.5%)was associated with virus- related cirrhosis,and another with combined virus- and alcohol-related *** mortality rate was 75%despite early diagnosis and low risk scores for *** hematoma in patients with cirrhosis isclosely related to alcoholism,and the mortality rate of the condition is extremely *** conclusion,muscle hematoma should be recognized as an important complication of cirrhosis.

关键词： Alcohol Bilateral Cirrhosis lliopsoas Muscle hematoma

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Interpretation of Laser Weld Penetration and Welding Phenomena (Invited Paper)

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中国激光 2009年第12期36卷 3160-3166页

作者： seiji Katayama Yousuke Kawahito Joining and Welding Research Institute Osaka UniversityOsaka 567-0047Japan

Deeply penetrated welds can be produced with high-power-density *** the factors affecting laser weld penetration,laser-induced plume behavior and the interaction between a laser beam and a plume,keyhole behavior,melt flows in the molten pool,and the generation and prevention of bubbles and porosity were ***,the effects of plasma and plume on the weld penetration were interpreted in CO2 and fiber lasers welding,*** formation of spattering,underfilled beads,and humping was *** was confirmed that porosity was easily formed at high powers and low welding speeds due to the generation of many bubbles from the tip of a keyhole.

关键词：激光焊接技术激光诱导二氧化碳激光器

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Non-planar and Non-linear Second Sound Waves in He Ⅱ

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Chinese Physics Letters 2000年第1期17卷 43-45页

作者： ZHANG Peng KIMURA seiji MURAKAMI Masahide WANG Ru-zhu Institute of Refrigeration and Cryogenics Shanghai Jiao Tong UniversityShanghai 200030 Institute of Engineering Mechanics and Systems University of TsukubaTsukuba-city305-8573Japan

Non-planar and non-linear second sound wave are experimentally investigated in an open He Ⅱ *** is found that second sound wave characterized by a negative tail part in an open He Ⅱ bath is different from that propagating through a channel,and the shape of the negative tail part of second sound wave varies at different location in an open He Ⅱ *** consideration is also carried out based on two-fluid model and vortex evolution *** is found that experimental and theoretical results agree rather well with each *** sound wave may develop into the thermal shock wave provided that the heat Hux is large.

关键词： equation. planar wave

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Time-dependent effects of castration on the bladder function and histological changes in the bladder and blood vessels

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Asian Journal of Andrology 2014年第3期16卷 457-460页

作者： Tomohiro Magari Yasuhiro Shibata seiji Arai Bunzo Kashiwagi Keiji Suzuki Kazuhiro Suzuki Department of Urology Gunma University Graduate School of Medicine Maebashi Department of Urology Kurosawa Hospital Takasaki Department of Pathology Gunma University Graduate School of Health Sciences Maebashi Japan

We examined the effect of androgens on bladder blood flow （BBF）, bladder function and histological changes in castrated male rats. Male Wistar rats were classified into unoperated group （control group）, groups castrated at the age of 8weeks （group 8wPC） and groups castrated at the age of 4weeks （group 4wPC）. Each rat was used at the age of 20weeks. BBF was measured using fluorescent microspheres. Bladder cystometry was performed without anesthesia or restraint; the bladder was first irrigated with saline and then with 0.25% acetic acid （AA） solution. Maximum voiding pressure and voiding interval were measured. The bladder and lilac artery were histologically examined for differences in smooth muscle and quantity of collagen fiber to analyze the effect of castration on the smooth muscle content. No differences were noted in BBF following castration. The voiding intervals for all groups were shortened （P 〈 0.001） following AA irrigation. No significant difference was noted in the maximum voiding pressure. Histological changes were observed in bladder and lilac artery. Smooth muscle/collagen ratio at the bladder was lower in groups 8wPC and 4wPC compared to the control group （P 〈 0.01）, while that at the lilac artery was decreased in group 4wPC compared to the control group （P〈 0.001）. In conclusion, our findings indicate that castration does not alter BBF, but leads to histological changes in the bladder as well as its associated blood vessels.

关键词： bladder blood flow bladder function castration fluorescent microsphere method histological changes smooth muscle/collagen ratio

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Low-grade myofibroblastic sarcoma of the palate

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International Journal of Oral Science 2012年第3期4卷 170-173页

作者： Tomohiro Yamada Tomohide Yoshimura Naoya Kitamura Eri Sasabe seiji Ohno Tetsuya Yamamoto Department of Oral and Maxillofacial Surgery Kochi Medical SchoolKochi University

Low-grade myofibroblastic sarcoma （LGMS） is a rare, malignant tumor with myofibroblastic differentiation. Despite it being classified as a distinct entity by the World Health Organization, a few cases were reported in the oral and maxillofacial region. Here, a LGMS developed on the palate of a 73-year-old man who presented with a 1-cm tumor on the posterior border of the palate. Based on the histological and immunohistochemical features, a diagnosis of LGMS was established. The tumor was resected, and no recurrence was observed over 2 years. Although the tongue is the most preferred site for LGMS, it may occur in any region of the oral cavity.

关键词： low-grade myofibroblastic sarcoma oral palate

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Recent Progress of Neutral Beam Injector and Bearn Emission Diagnosis in LHD

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Plasma Science and Technology 2009年第4期11卷 452-455页

作者： Katsunori ikeda Kenichi NAGAOKA Yasuhiko TAKEIRI Masaki OSAKABE Katsuyoshi TSUMORI Osamu KANEKO 无 National Institute for Fusion Science LHD Experimental Group

Large size hydrogen neutral beam injectors （NBI） used a negative ion source （NNBI） as well as a proton source （PNBI） were developed for the large helical device （LHD）. The injected power from NNBI and PNBI have reached 16 MW and 6.8 MW, respectively, These injected powers have outstripped the nominal beam powers. A diagnostic system of beam-emitted hydrogen visible spectrum has been installed along the beam injection axis to estimate the energy fraction on PNBI. The full energy beam component is about half which is equivalent to 70% of injected beam power. The attenuation of high energy neutral beam is also observed on NNBI. The peak density distribution is effective to increase beam deposition power.

关键词： NBI spectroscopy LHD

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S100A7 Co-localization and Up-regulation of Filaggrin in Human Sinonasal Epithelial Cells

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Current Medical Science 2021年第5期41卷 863-868页

作者： Masahiro Nakamura Kazusaku Kamiya Atsushi Furuhata Katsuhisa ikeda Frangois Niyonsaba Department of Otorhinolaryngology Juntendo University School of MedicineTokyo 113-8421Japan Atopy(Allergy)Research Center Junlendo University School of MedicineTokyol 13-8421Japan Biomedical Research Center Graduate School of MedicineJuntendo UniversityTokyo 113-8421Japan Faculty of International Liberal Arts Laboratory of Morphology and Image AnalysisGraduate School of MedicineJuntendo UniversityTokyo 113-8421Japan

Objective:Filaggrin(FLG)is a protein expressed in the epidermis and involved in the maintenance of the epidermal ***,the expression and localization of FLG in the upper airway remain *** present study aimed to determine the significance of FLG and the effect of S100A7 on FLG expression in the upper respiratory ***:Human nasal epithelial cells(HNECs)were cultured and examined for FLG expression and S100A7 effects by real-time polymerase chain reaction and Western *** localization and distribution of FLG were assessed using sinonasal ***:A significant expression of FLG was detected at the mRNA and protein levels in HNECs.A moderate FLG immunoreactivity was observed in the epithelial cells,but no staining was seen in epithelial goblet cells.S100A7 increased the FLG mRNA level in HNECs in a dose-dependent manner and also up-regulated the FLG protein in a dose-dependent ***:This study significantly contributes to a better understanding of the role of FLG in the pathogenesis of airway inflammation from the viewpoint of the epithelial barrier ***-related events in response to S100A7 protein may represent novel therapeutic targets for the treatment of upper airway inflammation.

关键词： nasal epithelial cell filaggrin S100A7 keratinocyte

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Morphology Effects of Leading-edge Serrations on Aerodynamic Force Production： An Integrated Study Using PIV and Force Measurements

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Journal of Bionic Engineering 2018年第4期15卷 661-672页

作者： Teruaki ikeda Tetsuya UedA Toshiyuki Nakata Ryusuke NodA Hiroto Tanaka Takeo Fujii Hao Liu Graduate School of Engineering Chiba University 1-33 Yayoi-cho lnage-ku Chiba-shi Chiba 263-8522 Japan TERAL Inc. 230 Moriwake Miyuki-cho Fukuyama-shi Hiroshima 720-0003 Japan School of Engineering Tokyo Institute of Technology 2-12-10okayama Meguro-ku Tokyo 152-8550 Japan Shanghai Jiao Tong University and Chiba University International Cooperative Research Centre (SJTU-CU ICRC) Shanghai 200240 China

While the leading-edge serration in owls＇ wing is known to be responsible for low noise gliding and flapping flights, the findings on its aero-acoustic role have been diverse or even controversial. Here we present an experimental study of the morphological effects of leading-edge serrations on aerodynamic force production by utilizing owl-inspired, single-feather, clean and serrated wing models with different serration lengths and spacing, and by combining Particle Image Velocimetry （PIV） and force measurements. Force measurements show that an increase in the length and density of the leading-edge serrations leads to a reduction in the lift coefficient and lift-to-drag ratio at Angles of Attack （AoAs）〈 15° whereas the clean and serrated wings achieve comparable aerodynamic performance at higher AoAs 〉 15°, which owl wings often reach in flight. Furthermore PIV visualization of the flow fluctuations demonstrates that the leading-edge serration-based mechanism is consistent in all serrated wing models in terms of passive control of the laminar-turbulent transition while at AoAs 〉 15° similar suction flow is present at leading edge resulting in a comparable aerodynamic performance to that of the clean wing. Our results indicate the robustness and usefulness of leading-edge serration-inspired devices for aero-acoustic control in biomimetic rotor designs.

关键词： biomimetic leading-edge serrations low-speed wind tunnel particle image velocimetry aerodynamic force lami-nar-turbulent transition

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Development of Mental Health Literacy Scale for Depression Affecting the Help-Seeking Process in Health Professional Students

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International Journal of Mental Health Promotion 2021年第3期23卷 331-352页

作者： Soshi Kodama Koichi Shido Nozomu ikeda School of Rehabilitation Sciences Health Sciences University of HokkaidoHokkaido061-0293Japan School of Nursing and Social Services Health Sciences University of HokkaidoHokkaido061-0293Japan School of Health Sciences Sapporo Medical UniversityHokkaido060-8556Japan

Despite depression being a global mental health disorder,many people with depression do not seek psychiatric *** particular,it has been reported that only 15.7%of medical students seek treatment.A longer duration of untreated illness(DUI)leads to clinically poor *** shorten the DUI,the mental health literacy(MHL)with regard to depression needs to be improved,although it is unclear which MHL components will improve the help-seeking ***,the existing MHL scale for depression is poorly validated for structural ***,the purpose of this study was to develop an MHL scale for depression with verified reliability and validity(particularly structural validity)and verify its relationship with the help-seeking *** this purpose,we adapted the mixed research ***,we conducted a systematic literature review on MHL scales for depression to prepare a draft scale with content ***,we conducted semi-structured interviews on MHL with outpatients with ***,78 questions on MHL for depression were ***,to develop our scale,we verified the reliability and validity of these questions with 782 health professional *** sample size was 780 and data collection was performed by collective survey *** was conducted in 2018 in *** verify the factor structure,exploratory and confirmatory factor analyses were *** also examined the internal consistency,test-retest reliability,and criterion-related *** exploratory factor analysis revealed a three-factor structure(recognition of depression symptoms,helpseeking preferences,and depression onset possibility)with 10 *** to the confirmatory factor analysis results,the goodness of fit indicators had a good *** internal consistency,test-retest reliability,and criterion-related validity had good ***,the relationship between the MHL of depression and other factors affecting the help-seeking process was

关键词： Depression health literacy psychometrics secondary prevention

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Fault-tolerant decentralized H-infinity control for multi-channel systems using homotopy method

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控制理论与应用（英文版） 2007年第1期5卷 77-82页

作者： Ning CHEN Weihua GUI Masao ikeda School of Information Science ＆ Engineering Central South University Changsha Hunan 410083 China Graduate School of Engineering Osaka University Suita Osaka 565-0871 Japan

This paper considers a fault-tolerant decentralized H-infinity control problem for multi-channel linear time-invariant systems. The purpose is to design a decentralized H-infinity output feedback controller *** the given system and achieve a certain H-infinity performance requirement both in the normal situation and in the situation where any one of the local controllers fails. The designed problem is reduced to a feasibility problem of a set of bilinear matrix inequalities （BMIs）. An algorithm is proposed to solve the BMIs. First, the normal situation is considered where all the local controllers are functioning. The local controllers are obtained from a standard centralized H-infinity controller by using a homotopy method imposing a structural constraint progressively. Secondly, the above case is extended to the one where any one of the local controllers fails. We again use a homotopy method where the coefficient matrices of the failed controller are decreased progressively to zero. The efficiency of the proposed algorithm is demonstrated by an example.

关键词： Decentralized control H-infinity control Fault-tolerant Control BMI Homotopy method

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