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The optimal stent pusher position to achieve successful ureteral stent insertion under fluoroscopic guidance

Asian Journal of Urology 2024年第2期11卷 311-315页

作者： Makoto taguchi Kaneki Yasuda Hidefumi Kinoshita Department of Urology Osaka Saiseikai Izuo Hospital Based on Social Welfare Organization“Saiseikai”Imperial Gift Foundation Inc.OsakaJapan Department of Urology and Andrology Kansai Medical UniversityHirakataOsakaJapan

Objective: To examine factors to predict the optimal stent pusher position when inserting ureteral stents under ***: We retrospectively reviewed 327 patients who underwent ureteral stent insertion. We considered the pubic bone as a useful anatomical landmark to insert ureteral stents under fluoroscopic guidance. Thus, we categorized patients into three groups (proximal, middle, and distal groups) according to the position of the radiopaque tip of the push catheter when inserting the ureteral stent. Success was defined as a completely curled ureteral stent tail. We compared stent insertion success rates among the three groups. A multivariate analysis was performed to identify the factors affecting stent insertion ***: In men, 36 (63.2%) cases were deemed successful in the proximal group compared with 40 (80.0%) cases in the middle group and 12 (20.7%) cases in the distal group (p<0.001). In women, 26 (45.6%) cases were deemed successful in the proximal group compared with 54 (98.2%) cases in the middle group and 38 (76.0%) cases in the distal group (p<0.001). With the multivariate analysis, the stent pusher position was the most significant factor influencing successful stent insertion (men: odds ratio 6.00, 95% confidence interval 2.66-13.51, p<0.001;women: odds ratio 37.80, 95% confidence interval 4.94-289.22, p<0.001).Conclusion: The position of the stent pusher affects stent insertion success. The middle of the pubic symphysis is the optimal position for the radiopaque tip of the pusher when inserting ureteral stents under fluoroscopic guidance.

关键词： Stent Cystoscopy Fluoroscopy Ureter

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Ecological surveys of the Cryptococcus species complex in China

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Chinese Medical Journal 2012年第3期125卷 511-516页

作者： Li An-sheng Pan Wei-hua Wu Shao-xi hideaki, taguchi Guo Ning-ru Shen Yong-nian Lu Gui-xia Pan Ru-gui Zhu Miao-chang Chen Min Shi Wei-ming Liao Wan-qing Chinese Acad Med Sci Inst Dermatol Nanjing 210042 Jiangsu Peoples R China Second Mil Med Univ Shanghai Key Lab Mol Med Mycol Inst Dermatol & Mycosis Changzheng Hosp Shanghai 200003 Peoples R China Chiba Univ Med Mycol Res Ctr Chiba Japan Chinese Acad Sci Nanjing 210014 Jiangsu Peoples R China Jiangxi Guixi Forest Bur Guixi 335400 Jiangxi Peoples R China Shanghai Jiao Tong Univ Dept Dermatol Peoples Hosp 1 Shanghai 200080 Peoples R China

Background Despite recent reports on the molecular epidemiology of cryptococcal infections in China,clinical isolates have been mostly reported from human immunodeficiency virus （HIV）-negative patients,and environmental isolates from China have rarely been *** aim of this study was to investigate the ecological profile of Cryptococcus （C.）neoformans and *** in *** A survey was performed in 10 cities from 20°N （North latitude） to 50°N and in a Eucalyptus （E.） camaldulensis forestry farm at the Guixi forestry center,*** Six hundred and twenty samples of pigeon droppings from 10 cities and 819 *** tree samples were collected and inoculated on caffeic acid cornmeal agar （CACA）.The brown-colored colonies were recultured to observe their morphology,growth on canavanine-glycine-bromothymol-blue （CGB） medium,phenol oxidase and urease activities,serotype and mating *** were obvious differences in the positive sample rates of *** in pigeon droppings collected from the different cities,ranging from 50% in the cities located at latitudes from 30°N-40°N,29% at 20°N-30°N and 13% at 40°N-50°*** There were no differences in positive bevy rates （approximately 80%） among the three grouped *** tests of 101 isolates purified from pigeon droppings revealed that they were *** *** also observed variable capsular size around the *** cells in colonies with variable melanin production and the bio-adhesion of the natural *** cells with other *** urease-negative *** isolatewas isolated from pigeon droppings in Jinan *** *** isolated in this study.

关键词： Cryptococcus neoformans Cryptococcus gattii ecology

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Recent trends in bone metastasis treatments:A historical comparison using the new Katagiri score system

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World Journal of Clinical Cases 2024年第15期12卷 2499-2505页

作者： Kenji Matsuda Kazuhiro Shimazu Hanae Shinozaki Koji Fukuda Taichi Yoshida Daiki taguchi Kyoko Nomura Hiroyuki Shibata Department of Clinical Oncology Akita University Graduate School of MedicineAkita 010-8543Japan Department of Environmental Health Science and Public Health Akita University Graduate School of MedicineAkita 010-8543Japan Department of Comprehensive Cancer Control Akita University Graduate School of MedicineAkita 010-8543Japan

BACKGROUND Bone metastasis has various negative *** of daily living(ADL)and quality of life(QOL)can be significantly decreased,survival may be impacted,and medical expenses may *** is estimated that at least 5%cancer patients might be suffering from bone *** 2016,we published the Comprehensive Guidelines for the Diagnosis and Treatment of Bone *** then,the therapeutic outcomes for patients have gradually *** life expectancy is a major determinant of surgical intervention,the strategy should be modified if the prolongation of survival is to be *** To monitor how bone metastasis treatment has changed before and after launch of our guidelines for bone *** For advanced cancer patients with bone metastasis who visited the Department of Clinical Oncology at Akita University hospital between 2012 and 2023,parameters including the site and number of bone metastases,laboratory data,and survival time,were extracted from electronic medical records and the Katagiri score was *** association with survival was determined for each *** Data from 136 patients were *** 1-year survival rate for the poor prognosis group with a higher Katagiri score was 20.0%in this study,which was 6%and an apparent improvement from 2014 when the scoring system was *** factors significantly affecting survival included five or more bone metastases than less(P=0.0080),and treatment with chemotherapy(P<0.001),bone modifying agents(P=0.0175)and immune checkpoint inhibitors(P=0.0128).In recent years,advances in various treatment methods have extended the survival period for patients with advanced *** is necessary not only to simply extend survival time,but also to maintain ADL and improve *** Various therapeutic interventions including surgical approach for bone metastasis,which is a disorder of locomotor organs,are increasingly *** and scoring system for p

关键词： Bone metastasis New Katagiri scoring system Prognosis Immune check point inhibitors Survival

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<i>Rhizopus oryzae</i>Retro-Orbital Abscess: Comparison of Spores and Hyphae Antifungal Susceptibility and Clinical Outcome

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Open Journal of Medical Microbiology 2018年第1期8卷 1-11页

作者： Adenilza Cristina S. Fonseca Ana Beatriz A. Teixeira-Loyola Luzia Lyra Ariane F. Busso Yasunori Muraosa hideaki taguchi Maria Luiza Moretti Angélica Z. Schreiber Clinical Pathology Department School of Medical Sciences University of Campinas Campinas Brazil Sapucai Valley University Pouso Alegre Brazil Infectious Diseases Division School of Medical Sciences University of Campinas S&atilde o Paulo Brazil Medical Mycology Research Chiba University Chiba Japan

Rhizopus is fungus of the order Mucorales, responsible for invasive diseases called mucormycosis. The correct identification of these fungi is one of the main questions raised in the literature since the diagnosis is not simple, being the necessary detection in biopsies of infected tissues and isolation of the microorganism for identification by morphological and molecular methods. In vitro susceptibility testing results are not fully clear since there are reports showing that in vitro resistance does not always mean therapeutic failure. This paper describes a case of rhino-orbito-cerebral mucormycosis in a patient with alcoholic chronic pancreatitis and secondary mellitus diabetes involving microbiological diagnostic, antifungal susceptibility tests for conidia and hypha and clinical correlation. The causative agent was identified by morphological characteristics and DNA sequencing. Minimal Inhibitory Concentration (MIC) for amphotericin B (AMB), itraconazole (ITZ) and terbinafine (TERB) was determined by broth microdilution method. Standardization of the dynamic growth evaluation patterns using the automated system BCT (BioCell-Tracer?) was obtained allowing to determining hyphae growth control and evaluating the effect of different concentrations of amphotericin B, itraconazole and terbinafine directly on growing hyphae. The fractional inhibitory concentration (FIC) for the combination of the two antifungals that the patient received at the same time, terbinafine and itraconazole, was also determined trying to correlate with clinical outcome. Strains isolated of retro-orbital abscess were identified as Rhizopus oryzae. MIC results (MIC) testing conidia showed high sensibility to amphotericin B and itraconazole in comparison to the obtained for terbinafine. The tests in the automated system BCT using hyphae showed sensibility to all tested antifungal agents and the FIC results for combination in vitro between terbinafine and itraconazole showed synergism consisten

关键词： Antifungal Susceptibility Testing Mucorales Terbinafine Amphotericin B Itraconazole

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Coordinated control between a grid forming inverter and grid following inverters suppling power in a standalone microgrid

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Global Energy Interconnection 2022年第3期5卷 259-265页

作者： Junichi Arai Yasuhiro taguchi Kogakuin University 1-24-2 Nishi-ShinjukuShinjukuTokyo 163-8677Japan Energy and Environment Technology Research Institute 1-22-2 Nishi-Waseda ShinjukuNishi-Waseda East Wing 106Tokyo 169-0051Japan

Battery energy storage systems,fuel cells,and photovoltaic generators are being adopted in distribution networks to achieve CO;emission *** power sources require inverters to connect to AC ***,sub-networks,such as a microgrids containing inverter power sources,may be disconnected from the utility network and operated in a standalone mode during extended *** study focuses on a standalone microgrid supplied by inverter power sources without a synchronous generator and proposes a new microgrid inverter *** this inverter control,a single grid forming inverter is operated as a master power source to determine frequency and voltage,and other inverters,called grid following inverters,are operated as subordinate power sources with active and reactive power *** necessary functions in the energy management system are examined,and the coordinated operation of all inverters in the microgrid is demonstrated via simulation.

关键词： Inverter control Microgrid Standalone operation Energy management system Grid forming inverter Grid following inverter

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An extended computational approach for point-defect equilibria in semiconductor materials

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npj Computational Materials 2022年第1期8卷 746-756页

作者： Takafumi Ogawa Ayako taguchi Akihide Kuwabara Nanostructures Research Laboratory Japan Fine Ceramics Center2-4-1 MutsunoAtsuta-kuNagoya456-8587Japan

Concentrations of intrinsic and extrinsic point defects in crystalline materials with a bandgap are typically calculated in a constant-μapproach from defect formation energies based on density functional *** this work,calculations of thermal and charge equilibria among point defects are extended to a constant-N *** two approaches for point-defect equilibria are comparatively demonstrated in the application to Mg_(2)Si doped with Li,Na,and Ag,which is a lightweight and environmentally friendly thermoelectric candidate *** results reveal the systematic behavior of defect and carrier *** dopant atoms form interstitial defects at similar concentrations to substitutional defects at the Mg sites,resulting in significantly reduced free-carrier concentrations compared to the expected *** developed procedures could be utilized to find an optimal avenue for achieving higher carrier concentrations,e.g.,with regard to annealing temperature and the concentration of dopant atoms,in various semiconductors and insulators.

关键词： defect equilibria point

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Optical Wavelength Filter Using Mode Conversion in Multimode Waveguide

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光学学报 2003年第S1期23卷 291-292页

作者： Toru taguchi hideaki Okayama Kohji Furuhashi Hirochika Nakajima School of Science and Technology Waseda University 3-4-1 Ohkubo Shinjyuku-ku Tokyo 169-8555 JapanSchool of Science and Technology Waseda University 3-4-1 Ohkubo Shinjyuku-ku Tokyo 169-8555 JapanOCC Oki Electric Industry Co. Ltd.School of Science and Technology Waseda University 3-4-1 Ohkubo Shinjyuku-ku Tokyo 169-8555 JapanSchool of Science and Technology Waseda University 3-4-1 Ohkubo Shinjyuku-ku Tokyo 169-8555 Japan

A wavelength filter with simple structure using multimode waveguide is proposed. The device uses mode conversion by a grating structure fabricated simultaneously with the multimode waveguide.

关键词： mode on length Optical Wavelength Filter Using Mode Conversion in Multimode Waveguide in BPM for high

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Designer enzyme for green materials innovation： Lactatepolymerizing enzyme as a key catalyst

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Frontiers of Chemical Science and Engineering 2017年第1期11卷 139-142页

作者： Seiichi taguchi Graduate School of Engineering Hokkaido University Hokkaido 060-0808 Japan JST CREST 5 Sanbancho Chiyoda-ku Tokyo 102-0075 Japan

Establishment of the regeneratable whole-cell catalyst platform for the production ofbiobased polymeric materials is a typical topic of synthetic biology. In this commentary, discovery story of a ＂lactate-polymerizing enzyme＂（LPE） and LPE-based achievements for creating a new variety of polyesters with incorporated unnatural monomers are presented. Besides the importance of microbial platform itself is discussed referring to the ＂ballooning＂-Escherichia coli.

关键词： synthetic biology enzyme evolutionary engi-neering polyhydroxyalkanoate

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Verification of Subseasonal-to-Seasonal Forecasts for Major Stratospheric Sudden Warmings in Northern Winter from 1998/99 to 2012/13

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Advances in Atmospheric Sciences 2020年第3期37卷 250-258页

作者： Masakazu taguchi Department of Earth Science Aichi University of Education

This study reports verification results of hindcast data of four systems in the subseasonal-to-seasonal(S2S)prediction project for major stratospheric sudden warmings(MSSWs)in northern winter from 1998/99 to 2012/*** report deals with average features across all MSSWs,and possible differences between two MSSW types(vortex displacement and split types).Results for the average features show that stratospheric forecast verifications,when further averaged among the four systems,are judged to be successful for lead times around 10 d or *** systems are skillful for lead times around 5 d,whereas the results vary among the systems for longer lead times.A comparison between the MSSW types overall suggests larger forecast errors or lower skill for MSSWs of the vortex split type,although the differences do not have strong statistical significance for almost all *** limitation is likely to at least partly reflect the small sample size of the MSSWs available.

关键词： major stratospheric sudden warmings forecast verification subseasonal-to-seasonal prediction project vortex displacement and split warmings

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Laparoscopic retroperitoneal lymph node dissection versus open retroperitoneal lymph node dissection for testicular cancer:A comparison of clinical and perioperative outcomes

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Asian Journal of Urology 2022年第2期9卷 119-124页

作者： Toshihide Shishido Takatsugu Okegawa Kenjiro Hayashi Kazuki Masuda Satoru taguchi Yu Nakamura Mitsuhiro Tambo Hiroshi Fukuhara Department of Urology Hachioji Medical CenterTokyo Medical University1163TatemachiHachiojiTokyoJapan Department of Urology Kyorin University School of Medicine6-20-2 ShinkawaMitakaTokyoJap

Objective:This study was performed to evaluate the clinical and perioperative outcomes of laparoscopic retroperitoneal lymph node dissection(L-RPLND)and open retroperitoneal lymph node dissection(O-RPLND)performed by one surgeon at a single ***:We evaluated 30 patients with stage IIA germ cell tumors who underwent retroperitoneal lymph node dissection(15 underwent L-RPLND and 15 underwent O-RPLND)at our institution between April 1,2010 and March 31,*** clinical parameters were compared between patients who underwent L-RPLND using the retroperitoneal approach and those who underwent O-RPLND using the transperitoneal *** were no significant differences in the background characteristics of the two groups except for the median follow-up duration(46 months for L-RPLND and 71 months for O-RPLND,p=0.02).Results:L-RPLND was associated with a shorter mean operative time(mean 222 min for L-RPLND vs.453 min for O-RPLND,p<0.001).There was significantly less blood loss during surgery in the L-RPLND group compared to the O-RPLND group(mean 165 mL for L-RPLND vs.403 mL for O-RPLND,p<0.001).Parameters related to postoperative recovery were significantly better for the L-RPLND group than for the O-RPLND *** were no differences in the histopathological characteristics between the two *** patients in either group exhibited disease ***:Patients who underwent L-RPLND had more rapid recovery,and shorter hospital stay compared to those who underwent O-RPLND;complications were comparable between the two groups.L-RPLND is an efficient procedure with the benefits of minimally invasive surgery.

关键词： Laparoscopic surgery Retroperitoneal lymph node dissection Testicular tumor

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