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Recovery of serum testosterone following neoadjuvant and adjuvant androgen deprivation therapy in men treated with prostate brachytherapy

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World Journal of Radiology 2015年第12期7卷 494-500页

作者： Hideyasu Tsumura Takefumi Satoh Hiromichi Ishiyama shuhei hirano Kenichi Tabata Shinji Kurosaka Kazumasa Matsumoto Tetsuo Fujita Masashi Kitano Shiro Baba Kazushige Hayakawa Masatsugu Iwamura Department of Urology Kitasato University School of Medicine Department of Radiation Oncology Kitasato University School of Medicine

AIM: To investigate the time course of testosterone(T) recovery after cessation of androgen deprivation therapy(ADT) in patients treated with brachytherapy. METHODS: One-hundred and seventy-four patients treated between June 1999 and February 2009 were studied. Patients were divided into a short-term usage group(≤ 12 mo, n = 91) and a long-term usage group(≥ 36 mo, n = 83) according to the duration of gonadotropin-releasing hormone agonist therapy. Median follow-up was 29 mo in the short-term group and was 60 mo in the long-term ***: Cumulative incidence rates of T recovery to normal and supracastrate levels at 24 mo after cessationwere 28.8% and 74.6%, respectively, in the long-term usage group, whereas these values were 96.4% and 98.8% in the short-term usage group. T recovery to normal and supracastrate levels occurred significantly more rapidly in the short-term than in the long-term usage group(P < 0.001 and P < 0.001, respectively). Five years after cessation, 22.6% of patients maintained a castrate T level in the long-term usage group. On multivariate analysis, lower T levels(< 10 ng/d L) at cessation of ADT was significantly associated with prolonged T recovery to supracastrate levels in the longterm usage group(P = 0.002). CONCLUSION: Lower T levels at cessation of ADT were associated with prolonged T recovery in the longterm usage group. Five years after cessation of longterm ADT, approximately one-fifth of patients still had castrate T levels. When determining the therapeutic effect, especially biochemical control, we should consider this delay in T recovery.

关键词： Androgen deprivation Gonadotropinreleasing hormone agonist Prostate brachytherapy Prostate cancer Testosterone

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Symmetric silicon microring resonator optical crossbar array for accelerated inference and training in deep learning

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Photonics Research 2024年第8期12卷 1681-1688页

作者： RUI TANG shuhei OHNO KEN TANIZAWA KAZUHIRO IKEDA MAKOTO OKANO KASIDIT TOPRASERTPONG SHINICHI TAKAGI MITSURU TAKENAKA Department of Electrical Engineering and Information Systems The University of TokyoTokyo 113-8656Japan Quantum ICT Research Institute Tamagawa UniversityTokyo 194-8610Japan National Institute of Advanced Industrial Science and Technology Ibaraki 305-8568Japan

Photonic integrated circuits are emerging as a promising platform for accelerating matrix multiplications in deep learning,leveraging the inherent parallel nature of *** various schemes have been proposed and demonstrated to realize such photonic matrix accelerators,the in situ training of artificial neural networks using photonic accelerators remains challenging due to the difficulty of direct on-chip backpropagation on a photonic *** this work,we propose a silicon microring resonator(MRR)optical crossbar array with a symmetric structure that allows for simple on-chip backpropagation,potentially enabling the acceleration of both the inference and training phases of deep *** demonstrate a 4×4 circuit on a Si-on-insulator platform and use it to perform inference tasks of a simple neural network for classifying iris flowers,achieving a classification accuracy of 93.3%.Subsequently,we train the neural network using simulated on-chip backpropagation and achieve an accuracy of 91.1%in the same inference task after ***,we simulate a convolutional neural network for handwritten digit recognition,using a 9×9 MRR crossbar array to perform the convolution *** work contributes to the realization of compact and energy-efficient photonic accelerators for deep learning.

关键词： resonator neural matrix

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Hyperacute experimental model of rat lung transplantation using a coronary shunt cannula

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World Journal of Transplantation 2024年第2期14卷 155-161页

作者： Munehisa Takata Yusuke Tanaka Daisuke Saito shuhei Yoshida Isao Matsumoto Department of Thoracic Surgery Kanazawa UniversityKanazawa 920-8641IshikawaJapan

BACKGROUND Lung transplantation is a well-established treatment of end-stage lung disease.A rodent model is an inexpensive way to collect biological data from a living model after lung ***,mastering the surgical technique takes time owing to the small organ *** To conduct rat lung transplantation using a shunt cannula(SC)or modified cannula(MC)and assess their *** Rat lung transplantation was performed in 11 animals in the SC group and 12 in the MC *** devised a method of rat lung transplantation using a coronary SC for coronary artery bypass surgery as an anastomosis of pulmonary arteri-ovenous vessels and *** same surgeon performed all surgical proce-dures in the donor and recipient rats without using a magnifying *** success rate of lung transplantation,operating time,and PaO2 values were com-pared after 2-h reperfusion after *** Ten and 12 lungs were successfully transplanted in the SC and MC groups,*** the SC group,one animal had cardiac arrest within 1 h after reperfusion owing to bleeding during pulmonary vein *** opera-ting time for the removal of the heart-lung block from the donor and preparation of the left lung graft was 26.8±2.3 and 25.7±1.3 min in the SC and MC groups,respectively(P=0.21).The time required for left lung transplantation in the recipients was 37.5±2.8 min and 35.9±1.4 min in the SC and MC groups,respectively(P=0.12).PaO2 values at 2 h after reperfusion were 456.2±25.5 and INTRODUCTION Lung transplantation is a well-established treatment of end-stage lung *** immune and non-immune mech-anisms in lung transplantation are highly complex,and post-transplant complications such as infections and primary and chronic lung allograft dysfunction must be reduced to improve ***,there is a need for immunological and pathophysiological analyses using animal lung transplantation *** rat lung transplantation model was f

关键词： Lung transplantation Rat Shunt cannula Modified cannula Reperfusion

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Single-incision laparoscopic cholecystectomy:Single institution experience and literature review

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World Journal of Gastroenterology 2010年第2期16卷 270-274页

作者： Yasumitsu hirano Toru Watanabe Tsuneyuki Uchida shuhei Yoshida Kanae Tawaraya Hideaki Kato Osamu Hosokawa Department of Surgery Yokohama Sakae Kyousai Hospital132 Katsura-choSakae-kuYokohamaKanagawa 247-8581Japan

Single-incision laparoscopic surgery is a rapidly evolving field as a bridge between traditional laparoscopic surgery and natural orifice transluminal endoscopic *** report one of the initial clinical experiences in Japan with this new *** cases of gallbladder diseases were selected for this new technique.A single curved intra-umbilical 25-mm incision was made by pulling out the umbilicus.A 12-mm trocar was placed through an open approach,and the abdominal cavity was explored with a 10-mm semiflexible *** 5-mm ports were inserted laterally from the laparoscope port.A 2-mm mini-loop retractor was inserted to retract the fundus of the *** was performed using an electric cautery hook and an Endograsper *** were two women and two men with a mean age of 50.5 years(range:40-61 years).All procedures were completed successfully without any perioperative *** all cases,there was no need to extend the skin *** operative time was 88.8 *** follow-up didnot reveal any umbili-cal wound ***-incision laparoscopic cholecystectomy is feasible and a promising alternative method as scarless abdominal surgery for the treatment of some patients with gallbladder disease.

关键词： Laparoscopic Cholecystectomy Incision Single-incision laparoscopic cholecystectomy Singleincision laparoscopic surgery Single-incision endoscopic surgery Minimally invasive surgery

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Prioritizing Strategies for Building the Resilience of Public Health Systems to Disasters Across Multiple Communities and Countries

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International Journal of Disaster Risk Science 2024年第1期15卷 1-17页

作者： Benjamin J.Ryan Mayumi Kako Shelby Garner Rok Fink Ismail Tayfur Jonathan Abrahams Sanjaya Bhatia Adriana Campelo Matthew Fendt Alicia Fontenot Nahuel Arenas Garcia Tim Hatch Ryoma Kayano LaShonda Malrey‑Horne Makiko MacDermot Md Moshiur Rahman Chaverle Noel shuhei Nomura Jeremy P.Novak Maria Opazo Kendell Oliver Luciana Peters Sohel Rahman PerihanŞimşek Andrew Stricklin Raymond Swienton Bryan W.Brooks Frist College of Medicine Belmont UniversityNashvilleTN 37212USA Department of Environmental Science Environmental Health Science ProgramCollege of Arts and SciencesBaylor UniversityWacoTX 76798USA Division of Nursing Science School of Biomedical and Health SciencesHiroshima UniversityHiroshima 734-8553Japan Gordon E.Inman College of Health Sciences and Nursing Belmont UniversityNashvilleTN 37212USA Faculty of Health Sciences University of Ljubljana1000 LjubljanaSlovenia Department of Emergency Medicine University of Health Sciences34668 IstanbulTurkey Monash University Accident Research Center MelbourneVIC 3800Australia Global Education and Training Institute United Nations Ofce for Disaster Risk ReductionIncheon 22004Republic of Korea Regional Ofce for the Americas and Caribbean United Nations Ofce for Disaster Risk ReductionPanama City 0843-03441Panama Engineering and Computer Science Baylor UniversityWacoTX 76798USA Department of Public Health Robbins College of Health and Human SciencesBaylor UniversityWacoTX 76798USA Alabama Department of Public Health MontgomeryAL 36092USA World Health Organization Centre for Health Development(WHO Kobe Centre) Kobe 651-0073Japan Waco-McLennan County Public Health District WacoTX 76707USA Department of Health Policy and Management School of MedicineKeio UniversityTokyo 160-8582Japan Department of Global Health Policy Graduate School of MedicineThe University of TokyoTokyo 113-0033Japan Tokyo Foundation for Policy Research Tokyo 106-6234Japan Global Development College BrisbaneQLD 4000Australia Municipality of Pudahuel 13124 PudahuelChile City Hall of Porto Alegre Porto Alegre 90010-170Brazil Ministry of Health and Family Welfare Government of the People’s Republic of BangladeshDhaka 1000Bangladesh Department of Emergency Aid and Disaster Management Trabzon University61335 TrabzonTurkey Department of Emergency Medicine UT SouthwesternDallasTX 75390USA

The COVID-19 pandemic highlighted the urgent need to strengthen public health *** response,the United Nations Disaster Risk Reduction(UNDRR) Public Health System Resilience Scorecard(Scorecard) was applied in workshops across multiple *** aim of our research was to explore the workshop findings to develop priority strategies for strengthening public health system *** conducted a workshop from 14 to 16 March 2023,at the UNDRR Global Education and Training Institute in Incheon,Republic of Korea.A sequential modified Delphi method was utilized to develop a set of prioritized resilience *** were drawn from 70 strategies identified from 13 distinct workshops in eight *** two surveys,23 strategies were *** received ratings of "High" or Very High" from89% of *** related to the inclusion of public health risks in emergency plans,integrating multidisciplinary teams into public health,enabling local transport mechanisms,and improving the ability to manage an influx of *** Scorecard provides an adaptable framework to identify and prioritize strategies for strengthening public health system *** leveraging this methodology,our study demonstrated how resilience strategies could inform disaster risk reduction funding,policies,and actions.

关键词： Health system resilience Public policy Resilience scorecard Workshops

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A COMBINATORIAL ASPECT OF A DISCRETE-TIME SEMI-INFINITE LOTKA-VOLTERRA EQUATION

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Journal of Systems Science & Complexity 2010年第1期23卷 71-80页

作者： shuhei KAMIOKA Satoru MIZUTANI Department of Applied Mathematics and Physics Graduate School of InformaticsKyoto University KDDI Corporation Garden Air Tower

A graph is introduced,which allows of a combinatorial interpretation of a discrete-timesemi-infinite Lotka-Volterra (dLV) *** particular,Hankel determinants used in a determinantsolution to the dLV equation are evaluated,via the Gessel-Viennot method,in terms of ***,the recurrence of the dLV equation describing its time-evolution is equivalentlyexpressed as a time-evolution of weight of specific subgraphs.

关键词： Combinatorial proofs discrete integrable systems dynamics on graphs Gessel-Viennot method Hankel determinants non-intersecting paths weighted paths on labeled graphs.

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Dynamic properties of a flexible metal-organic framework exhibiting a unique"picture frame"-like crystal morphology

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Nano Research 2021年第2期14卷 432-437页

作者： Kenji Sumida Nao Horike shuhei Furukawa Institute for Integrated Cell-Material Sciences(WPI-iCeMS) Kyoto UniversityYoshidaSakyo-kuKyoto 606-8501Japan Centre for Advanced Nanomaterials School of Physical SciencesUniversity of AdelaideSA 5005Australia

The precise control of the crystal morphology of metal-organic frameworks(MOFs)enables optimization of its adsorptive properties,as well as enables better integration within functional ***,the influence of such modifications on the dynamic properties of flexible MOFs is poorly understood Here,we report the synthesis of a series of Cu_(2)(bdc)_(2)(bpy)(bdc^(2-)=1,4-benzenedicarboxylate;bpy=4,4,-bipyridine)crystals having an unusual picture frame-like morphology that results from a restriction in the quantity of bpy pillars added to the reaction mixture during the intercalation of the Cu_(2)(bdc)_(2)(MeOH)_(2)*** width of the frames is found to correlate with the quantity of bpy,and importantly,causes the dynamic properties of the resulting Cu_(2)(bdc)_(2)(bpy)material to vary between rigid,elastic,and shape memory *** all,the results demonstrate the potential for the properties of MOFs to be optimized via subtle manipulations in the crystal morphology rather than changes in the overall material composition.

关键词： metal-organic frameworks morphology control framework flexibility shape-memory effect gas sorption

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JSAE-SICE benchmark problem for vehicle dynamics control

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Control Theory and Technology 2019年第2期17卷 131-137页

作者： Yutaka hirano Toyota Motor Corporation 1200MishukuSusonoShizuoka410-1193Japan

Recently many new types of small vehicles for future urban societies have been proposed and *** small vehicles tends to have reduced stability and handling ability than conventional vehicles because of their lighter weight and reduced tire *** cope with this problem by active collaboration of Japanese academia and industries,a benchmark problem of designing vehicle control logic for an articulated In-Wheel-Motor vehicle was settled by Japanese society of automotive industries and *** this purpose,simulation models of the new vehicle using multi-physics acausal modeling language Modelica were provided from the industry *** were requested to design controllers of tire steering angle,tire camber angle and tire driving force to satisfy requested vehicle dynamic *** also were some restrictions about the range of *** test scenarios were given to evaluate the control *** challengers from Japanese Universities have tackled with this benchmark *** results of their researches are also introduced in this paper.

关键词： Automotive control vehicle dynamics future mobility stability and handling performance modeling and simulation Modelica

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Atomistics of superlubricity

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Friction 2014年第2期2卷 95-105页

作者： Motohisa hirano Department of Mechanical Engineering Faculty of Science and Engineering Hosei University 3-7-2 KajinoKoganei184-8584 Tokyo

Friction is a phenomenon observed ubiquitously in daily life,yet its nature is *** between rough surfaces is considered to arise primarily because of macroscopic *** contrast,interatomic forces dominate between clean and smooth surfaces.“Superlubricity”,where friction effectively becomes zero,occurs when the ratio of lattice parameters in the pair of surfaces becomes an irrational *** has been found to exist in a limited number of systems,but is a very important phenomenon both in industry and in mechanical *** atomistic research on friction is under way,with the aim of refining theoretical models that consider interactions between atoms beyond mean field theory and experiments using ultrahigh vacuum non-contact atomic force *** research is expected to help clarify the nature of microscopic friction,reveal the onset conditions of friction and superlubricity as well as the stability of superlubricity,discover new superlubric systems,and lead to new applications.

关键词： atomic-level friction atomistics of friction nanotribology superlubricity

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What is the purpose of launching the World Journal of Clinical Cases?

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World Journal of Clinical Cases 2013年第1期1卷 1-3页

作者： shuhei Yoshida Division of Gastroenterology Harvard Medical SchoolBeth Israel Deaconess Medical CenterBostonMA 02215 United States

The first issue of the World Journal of Clinical Cases(WJCC), whose preparatory work was initiated on October 26, 2012, will be published on April 16, 2013. The WJCC Editorial Board has now been established and consists of 520 distinguished experts from 55 countries. Our purpose of launching WJCC is to publish peer-reviewed, high-quality articles via an open-access online publishing model, thereby acting as a platform for communication between peers and the wider public, and maximizing the benefits to editorial board members, authors and readers.

关键词： Clinical cases Peer-reviewed Open-access Authors Readers

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