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Possible Predictive Factors for Low Back and Pelvic Pain at Three Months Postpartum Assessed in a Prospective Study from Early Pregnancy until the Postpartum Period

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Open Journal of Nursing 2018年第8期8卷 552-566页

作者： Yuko Uemura Toshiyuki Yasui Kimiyo Horike Hirokazu Uemura Mari Haku Reiko Sakae keiko matsumura Department of Nursing Kagawa Prefectural University of Health Sciences Kagawa Japan Department of Reproductive and Menopausal Medicine Institute of Biomedical Sciences Tokushima University Graduate School Tokushima Japan Shikoku Medical Center for Children and Adults Kagawa Japan Department of Preventive Medicine Institute of Biomedical Sciences Tokushima University Graduate School Tokushima Japan Department of Midwifery Institute of Biomedical Sciences Tokushima University Graduate School Tokushima Japan

Background: Low back and pelvic pain (LBPP) is an important issue related to mental health as well as to difficulty for daily life activity during early pregnancy and in the postpartum period. We examined the intensity of LBPP, difficulty for daily life activity and mental health and their associations from early pregnancy until 3 months postpartum in a prospective study. We also examined predictive factors for LBPP at 3 months postpartum. Methods: We recruited 55 pregnant women who responded to questionnaires in the first, second and third trimesters and at one week, one month and 3 months postpartum. We designed a self-administered questionnaire including a visual analog scale (VAS), pregnancy mobility index (PMI) of LBPP and Edinburgh postnatal depression scale (EPDS). Results: There were significant differences in the proportions of women with LBPP in the first trimester (63.6%), second trimester (78.2%) and third trimester (83.6%) and at one week postpartum (80.0%), one month postpartum (69.1%) and 3 months postpartum (56.4%). VAS score at 3 months postpartum was significantly correlated with VAS scores at the first trimester (r = 0.410, p = 0.002), second trimester (r = 0.298, p = 0.027) and one month postpartum (r = 0.476, p Conclusion: The proportion of women with LBPP and the intensity of LBPP were increased at late pregnancy and gradually decreased until 3 months postpartum. LBPP at 3 months postpartum was associated with LBPP at the first trimester and a past history of LBPP in a previous pregnancy was an important factor for prediction of LBPP at 3 months postpartum. Provision of information regarding LBPP and confirmation of LBPP before pregnancy in addition to assessment of LBPP at early pregnancy are necessary for reduction of LBPP at 3 months postpartum.

关键词： Low Back Pain Pelvic Pain Pregnancy Prospective Study

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Association of Low Back and Pelvic Pain with Mental Health Condition during Pregnancy and Postpartum

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Health 2018年第12期10卷 1650-1660页

作者： Yuko Uemura Toshiyuki Yasui Kimiyo Horike Kazuhisa Maeda Hirokazu Uemura Mari Haku Reiko Sakae keiko matsumura Department of Nursing Kagawa Prefectural University of Health Sciences Kagawa Japan Department of Reproductive and Menopausal Medicine Institute of Biomedical Sciences Tokushima University Graduate School Tokushima Japan Shikoku Medical Center for Children and Adults Kagawa Japan Department of Preventive Medicine Institute of Biomedical Sciences Tokushima University Graduate School Tokushima Japan Department of Midwifery Institute of Biomedical Sciences Tokushima University Graduate School Tokushima Japan

Background: Low back and pelvic pain (LBPP) as a physical symptom may cause psychological symptoms during pregnancy and the postpartum period. We examined the association of LBPP with mental health condition in women from pregnancy to puerperium in a prospective study. Methods: This study was conducted from March 2015 to December 2016 in a birth center in Kagawa Prefecture in Japan. We recruited 89 pregnant women who responded to questionnaires in all four stages (first, second and third trimesters and one week postpartum). We designed a self-administered questionnaire including a visual analog scale (VAS) of LBPP and Edinburgh postnatal depression scale (EPDS). Results: There were significant differences in EPDS scores and VAS scores among the 4 stages. The EPDS score at the first trimester showed significant positive correlations with VAS scores at the second and third trimesters, and the EPDS score at the second trimester showed a significant positive correlation with VAS score at the third trimester. The VAS scores at the second trimester showed significant positive correlations with EPDS scores at the third trimester and at one week postpartum. Conclusion: It was shown that the mental health condition at early pregnancy was related to an increase in LBPP at mid-pregnancy and that LBPP at mid-pregnancy was associated with the mental health condition thereafter.

关键词： Low Back Pain Mental Health Pregnancy Prospective Study

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Two-week treatment with proton pump inhibitor is sufficient for healing post endoscopic submucosal dissection ulcers

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World Journal of Gastroenterology 2014年第43期20卷 16318-16322页

作者： Makoto Arai Tomoaki matsumura Kenichiro Okimoto Arata Oyamada keiko Saito Shoko Minemura Daisuke Maruoka Takeshi Tanaka Tomoo Nakagawa Tatsuro Katsuno Osamu Yokosuka Department of Gastroenterology and Nephrology (K1) Graduate School of MedicineChiba UniversityChiba 260-8670Japan

AIM: To investigate the optimum period of treatment for post endoscopic submucosal dissection (ESD) ulcers.

关键词： Proton pump inhibitor Endoscopic submucosal dissection Esomeprazole Rebamipide Randomized control trial

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A comparative study on demineralization of coals by acid-washing and solvent-extraction methods for low temperature catalytic coal gasification application

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Carbon Resources Conversion 2019年第3期2卷 175-181页

作者： Atul Sharma Akimitsu matsumura Research Institute of Energy Frontier Non-conventional Carbon Resources GroupNational Institute of Advanced Industrial Science&Technology16-1OnogawaTsukubaJapan

Catalytic coal gasification is an efficient way to achieve high conversion rates at low *** loss due to the reaction between the inherent mineral matter in the coal and the catalyst is a major hurdle for its practical *** problem may be overcome by removing the mineral matter from the coal before *** demineralizing approaches,acid-washing and solvent-extraction methods are investigated for demineralizing the *** analysis,XRD analysis,NMR analysis,and N_(2)adsorption analysis were made to compare the demineralization efficiency,crystallographic carbon microstructure,chemical structure,and micro-porosity,***-extraction method was found be more efficient for *** was observed in the chemical structure and micro-porosity while crystallographic carbon-microstructure was found to be ***-catalytic and catalytic gasification reactivity of the chars obtained by the two methods was *** composition and gas evolution profiles were also obtained and found to be influenced by the degree of demineralization.

关键词： Coal Demineralization Acid washing Solvent extraction Catalytic gasification

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A general extension theorem for cohomology classes on non reduced analytic subspaces

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Science China Mathematics 2017年第6期60卷 949-962页

作者： CAO JunYan DEMAILLY Jean-Pierre matsumura Shin-ichi Institut de Mathématiques de Jussieu UniversitéPierre et Marie CurieParis 75252France Institut Fourier UniversitéGrenoble AlpesGlares 38610France Mathematical Institute Tohoku UniversitySendal 980-8578Japan

The main purpose of this paper is to generalize the celebrated L^2 extension theorem of Ohsawa and Takegoshi in several directions: The holomorphic sections to extend are taken in a possibly singular hermitian line bundle, the subvariety from which the extension is performed may be non reduced, the ambient manifold is K¨ahler and holomorphically convex, but not necessarily compact.

关键词： compact Kahler manifold singular hermitian metric coherent sheaf cohomology Dolbeault coho- mology plurisubharmonic function L2 estimates Ohsawa-Takegoshi extension theorem multiplier ideal sheaf

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Development of a GIS-based Decision Support System for Assessing Land Use Status

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Geo-Spatial Information Science 2004年第1期7卷 72-78页

作者： Ryosuke Shibasaki Kanichiro matsumura CENTER FOR SPATIAL INFORMATION SCIENCE THE UNIVERSITY OF TOKYO

The objectives of this study are to assess land s ui tability and to predict the spatial and temporal changes in land use types (LUTs ) by using GIS-based land use management decision support system. A GIS databas e with data on climate, topography, soil characteristic, irrigation condition, f ertilizer application, and special socioeconomic activities has been developed a nd used for the evaluation of land productivity for different crops by integrati ng with a crop growth model-the erosion productivity impact calculator (EPIC). International food policy simulation model (IFPSIM) is also embedded into GIS fo r the predictions of how crop demands and crop market prices will change under a lternative policy scenarios. An inference engine (IE) including land use choice model is developed to illustrate land use choice behavior based on logit models , which allows to analyze how diversified factors ranging from climate changes, crop price changes to land management changes can affect the distribution of agr icultural land use. A test for integrated simulation is taken in each 0.1° by 0.1° grid cell to predict the change of agricultural land use types at globa l level. Global land use changes are simulated from 1992 to 2050.

关键词： EPIC land use decision support system international trade model logitmodel

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Interaction Dynamics in AEC Global Teamwork

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Tsinghua Science and Technology 2008年第S1期13卷 145-150页

作者： Renate Fruchter Shubashri Swaminathan Naohiro matsumura Yukio Ohsawa Department of Civil and Environmental Engineering Stanford University Graduate School of Economics Osaka University Faculty of Engineering The University of Tokyo

Architecture, engineering, and construction (AEC) global project teamwork is communication intensive and relies heavily on synchronous and asynchronous information and collaboration technologies (ICT). We explore in this paper how an asynchronous ICT, called ThinkTank, reshaped the work practice of design-construction global teams, and how the interaction with this ICT reshaped the purpose and benefits of its use. ThinkTank is a web-based asynchronous collaboration and discussion forum. We introduce the influence diffusion model (IDM) that formalizes the process of identifying the influence of people, messages, and terms mathematically. Discovering who the influence leaders in project teams are can be beneficial and critical from a corporate management perspective, since they can guide or motivate the team towards successful actions and outcomes. We present the ThinkTank-IDM integrated system and its validation with a testbed of 53 AEC global team project archived in ThinkTank over 8 years.

关键词： global teamwork asynchronous collaboration technology interaction dynamics influence leader influence topic

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Load Sharing Behavior of Star Gearing Reducer for Geared Turbofan Engine

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Chinese Journal of Mechanical Engineering 2017年第4期30卷 796-803页

作者： Shuai MO Yidu ZHANG Qiong WU Feiming WANG Shigeki matsumura Haruo HOUJOH State Key Laboratory of Virtual Reality Technology and Systems Beihang University Beijing 100191 China School of Mechanical Engineering & Automation Beihang University Beijing 100191 China AVIC Shenyang Engine Design & Research Institute Shenyang 100015 China Precision and Intelligence Laboratory Tokyo Institute of Technology Yokohama 226-8503 Japan

Load sharing behavior is very important for power-split gearing system, star gearing reducer as a new type and special transmission system can be used in many industry fields. However, there is few literature regarding the key multiple-split load sharing issue in main gearbox used in new type geared turbofan engine. Further mechanism anal- ysis are made on load sharing behavior among star gears of star gearing reducer for geared turbofan engine. Compre- hensive meshing error analysis are conducted on eccentricity error, gear thickness error, base pitch error, assembly error, and bearing error of star gearing reducer respectively. Floating meshing error resulting from meshing clearance variation caused by the simultaneous floating of sun gear and annular gear are taken into account. A refined mathematical model for load sharing coefficient calculation is established in consideration of different meshing stiffness and support- ing stiffness for components. The regular curves of load sharing coefficient under the influence of interactions, single action and single variation of various component errors are obtained. The accurate sensitivity of load sharing coefficienttoward different errors is mastered. The load sharing coef- ficient of star gearing reducer is 1.033 and the maximum meshing force in gear tooth is about 3010 N. This paper provides scientific theory evidences for optimal parameter design and proper tolerance distribution in advanced devel- opment and manufacturing process, so as to achieve optimal effects in economy and technology.

关键词： Geared turbofan engine GTF engineAero-turbofan engine Star gearing reducer Load sharing behavior

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Diabetic neuropathy research: from mouse models to targets for treatment

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Neural Regeneration Research 2019年第11期14卷 1870-1879页

作者： Vuong M. Pham Shinji matsumura Tayo Katano Nobuo Funatsu Seiji Ito Department of Medical Chemistry Kansai Medical UniversityHirakataOsakaJapan Singapore Institute for Neurotechnology (SINAPSE) National University of SingaporeSingapore Department of Anesthesiology Osaka Medical CollegeTakatsukiOsakaJapan

Diabetic neuropathy is one of the most serious complications of diabetes, and its increase shows no sign of stopping. Furthermore, current clinical treatments do not yet approach the best effectiveness. Thus, the development of better strategies for treating diabetic neuropathy is an urgent matter. In this review, we first discuss the advantages and disadvantages of some major mouse models of diabetic neuropathy and then address the targets for mechanism-based treatment that have been studied. We also introduce our studies on each part. Using stem cells as a source of neurotrophic factors to target extrinsic factors of diabetic neuropathy, we found that they present a promising treatment.

关键词： brain derived neurotrophic factor diabetes extrinsic factors nerve growth factor nerve regeneration neurotrophic factors non-obese type 2 diabetes phosphatase and tensin homolog stem cell streptozotocin

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Natural products and food components with anti-Helicobacter pylori activities

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World Journal of Gastroenterology 2014年第27期20卷 8971-8978页

作者： Hiroaki Takeuchi Vu Thu Trang Norihito Morimoto Yoshie Nishida Yoshihisa matsumura Tetsuro Sugiura Department of Clinical Laboratory Medicine Kochi Medical School School of Biotechnology and Food Technology Hanoi University of Science and Technology

The bacterial pathogen Helicobacter pylori (H. pylori) colonizes in over half of the world’s population. H. pylori that establishes life-long infection in the stomach is definitely associated with gastro-duodenal diseases and a wide variety of non-gastrointestinal tract conditions such as immune thrombocytopenia. Triple therapy which consists of a proton pump inhibitor and combinations of two antibiotics (amoxicillin, clarithromycin or amoxicillin, metronidazol) is commonly used for H. pylori eradication. Recently, the occurrence of drug-resistant H. pylori and the adverse effect of antibiotics have severely weakened eradication therapy. Generally antibiotics induce the disturbance of human gastrointestinal microflora. Furthermore, there are inappropriate cases of triple therapy such as allergy to antibiotics, severe complications (liver and/or kidney dysfunction), the aged and people who reject the triple therapy. These prompt us to seek alterative agents instead of antibiotics and to develop more effective and safe therapy with these agents. The combination of these agents actually may result in lower a dose of antibiotics. There are many reports world-wide that non-antibiotic substances from natural products potentially have an anti-H. pylori agent. We briefly review the constituents derived from nature that fight against H. pylori in the literature with our studies.

关键词： Anti-Helicobacter pylori effect Natural product Food component In vitro and in vivo effects Human health Helicobacter pylori treatment Combined effect

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