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Evaluation of bacterial contamination and medium-term oncological outcomes of intracorporeal anastomosis for colon cancer:A propensity score matching analysis

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World Journal of Gastrointestinal Surgery 2024年第3期16卷 670-680页

作者： Hajime Kayano Nana Mamuro Yutaro Kamei Takashi Ogimi Hiroshi Miyakita Toshio Nakagohri Kazuo Koyanagi Masaki Mori Seiichiro yamamoto Department of Gastroenterological Surgery Tokai University School of MedicineIsehara 259-1193KanagawaJapan

BACKGROUND Although intracorporeal anastomosis(IA)for colon cancer requires longer operative time than extracorporeal anastomosis(EA),its short-term postoperative results,such as early recovery of bowel movement,have been reported to be equal or *** IA requires opening the intestinal tract in the abdominal cavity under pneumoperitoneum,there are concerns about intraperitoneal bacterial infection and recurrence of peritoneal dissemination due to the spread of bacteria and tumor ***,intraperitoneal bacterial contamination and medium-term oncological outcomes have not been *** cavity in *** Of 127 patients who underwent laparoscopic colon resection for colon cancer from April 2015 to December 2020,75 underwent EA(EA group),and 52 underwent IA(IA group).After propensity score matching,the primary endpoint was 3-year disease-free survival rates,and secondary endpoints were 3-year overall survival rates,type of recurrence,surgical site infection(SSI)incidence,number of days on antibiotics,and postoperative biological *** Three-year disease-free survival rates did not significantly differ between the IA and EA groups(87.2%and 82.7%,respectively,P=0.4473).The 3-year overall survival rates also did not significantly differ between the IA and EA groups(94.7%and 94.7%,respectively;P=0.9891).There was no difference in the type of recurrence between the two *** addition,there were no significant differences in SSI incidence or the number of days on antibiotics;however,postoperative biological responses,such as the white blood cell count(10200 vs 8650/mm^(3),P=0.0068),C-reactive protein(6.8 vs 4.5 mg/dL,P=0.0011),and body temperature(37.7 vs 37.5℃,P=0.0079),were significantly higher in the IA *** IA is an anastomotic technique that should be widely performed because its risk of intraperitoneal bacterial contamination and medium-term oncological outcomes are comparable to those of EA.

关键词： Colon cancer Intracorporeal anastomosis 3-year disease-free survival Recurrence Surgical site infection Postoperative biological response

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Immunotherapy for esophageal cancer:Where are we now and where can we go

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World Journal of Gastroenterology 2024年第19期30卷 2496-2501页

作者： Yoshiaki Shoji Kazuo Koyanagi Kohei Kanamori Kohei Tajima Mika Ogimi Yamato Ninomiya Miho yamamoto Akihito Kazuno Kazuhito Nabeshima Takayuki Nishi Masaki Mori Department of Gastroenterological Surgery Tokai University School of MedicineKanagawa 259-1193Japan

Immune checkpoint inhibitor therapy has dramatically improved patient prognosis,and thereby transformed the treatment in various cancer types including esophageal squamous cell carcinoma(ESCC)in the past *** antibodies that selectively inhibit programmed cell death-1(PD-1)activity has now become standard of care in the treatment of ESCC in metastatic settings,and has a high expectation to provide clinical benefit during perioperative ***,anti-cytotoxic T-lymphocyte–associated protein 4(CTLA-4)monoclonal antibody has also been approved in the treatment of recurrent/metastatic ESCC in combination with anti-PD-1 *** understanding of the existing evidence of immune-based treatments for ESCC,as well as recent clinical trials on various combinations with chemotherapy for different clinical settings including neoadjuvant,adjuvant,and metastatic diseases,may provide future prospects of ESCC treatment for better patient outcomes.

关键词： Esophageal cancer Immunotherapy Immune checkpoint inhibitor Programmed cell death-1 Anti-cytotoxic T-lymphocyte-associated protein 4 Neoadjuvant therapy Adjuvant therapy Clinical trials Combination therapy

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Genomic medicine in clinical practice:national genomic medicine program in Japan

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Cancer Biology & Medicine 2024年第1期21卷 4-9页

作者： Teruhiko Yoshida Yasushi Yatabe Ken Kato Genichiro Ishii Akinobu Hamada Hiroyuki Mano Kuniko Sunami Noboru yamamoto Takashi Kohno Department of Genetic Medicine and Services National Cancer Center HospitalTokyo 104-0045Japan Department of Diagnostic Pathology National Cancer Center HospitalTokyo 104-0045Japan Clinical Research Support Offce Clinical Research Coordinating SectionBiobank Translational Research Support SectionNational Cancer Center HospitalTokyo 104-0045Japan Department of Pathology and Clinical Laboratories National Cancer Center Hospital EastChiba 277-8577Japan Division of Molecular Pharmacology National Cancer Center Research InstituteTokyo 104-0045Japan National Cancer Center Research Institute Tokyo 104-0045Japan Department of Laboratory Medicine National Cancer Center HospitalTokyo 104-0045Japan Department of Experimental Therapeutics National Cancer Center HospitalTokyo 104-0045Japan Division of Genome Biology National Cancer Center Research InstituteTokyo 104-0045Japan

Cancer statistics in Japan Cancer is the most common cause of death in Japan based on Statistics 2021~*** statistics were first gathered,infectious diseases,such as tuberculosis,and cerebrovascular disease have been the main causes of death in *** surpassed cerebrovascular disease as the main cause of death in 1981,and the number of cancer deaths has *** 38,000 people died of cancer in *** National Cancer Center(NCC)reported that the 5-year survival rate for patients with cancer was improving(62%for males and 66.9%for females)in a population-based cancer registry.

关键词： Cancer cancer death

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Using a novel hemostatic peptide solution to prevent bleeding after endoscopic submucosal dissection of a gastric tumor

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World Journal of Gastrointestinal Endoscopy 2024年第3期16卷 168-174页

作者： Kuniyo Gomi Yorimasa yamamoto Erika Yoshida Misako Tohata Masatsugu Nagahama Department of Gastroenterology Showa University Fujigaoka HospitalYokohama 227-8501KanagawaJapan

BACKGROUND Endoscopic mucosal dissection has become the standard treatment for early gastric ***,post-endoscopic submucosal dissection(ESD)ulcer occurs in 4.4%of *** study hypothesized whether applying PuraStat,a novel hemostatic peptide solution,prevents post-ESD *** To investigate the preventive potential of PuraStat,a hemostatic formulation,against bleeding in post-ESD gastric *** Between May 2022 and March 2023,101 patients(Group P)underwent ESD for gastric diseases at our hospital and received PuraStat(2 mL)for post-ESD *** retrospectively compared this group with a control group(Group C)com-prising 297 patients who underwent ESD for gastric diseases at our hospital between April 2017 and March 2021.P values<0.05 on two-sided tests indicated *** Post-ESD bleeding occurred in 6(5.9%)(95%CI:2.8-12.4)and 20(6.7%)(95%CI:4.4-10.2)patients in Groups P and C,respectively,with no significant between-group *** relative risk was 1.01(95%CI:0.95-1.07).The lesser curvature or anterior wall was the bleeding site in all 6 patients who experienced postoperative bleeding in Group *** multivariate analysis,the odds ratios for resection diameter≥50 mm and oral anticoagulant use were 6.63(95%CI:2.52-14.47;P=0.0001)and 4.04(1.26-0.69;P=0.0164),*** adjusted odds ratio of post-ESD bleeding and PuraStat was 1.28(95%CI:0.28-2.15).CONCLUSION PuraStat application is not associated with post-ESD ***,the study suggests that gravitational forces may affect the effectiveness of applied PuraStat.

关键词： Endoscopic submucosal dissection PuraStat Bleeding Gastric cancer hemostatic forceps Proton pump inhibitor hemostatic peptide solution

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Study on Distribution of Four Pseudomonas Species in Living Environment Using Multiplex PCR

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Open Journal of Stomatology 2024年第2期14卷 77-86页

作者： Sachiyo Hayashi Koji Umezawa Osamu Tsuzukibashi Akira Fukatsu Mana Fuchigami Chiaki Komine Hiroshi yamamoto Mio Hagiwara-Hamano Yukiko Iizuka Satoshi Uchibori Masanobu Wakami Hiroshi Murakami Taira Kobayashi Masahiko Fukumoto Takato Nomoto Department of Special Needs Dentistry Nihon University School of Dentistry at Matsudo Chiba Japan Department of Laboratory Medicine for Dentistry for the Compromised Patient Nihon University School of Dentistry at Matsudo Chiba Japan Department of Oral Surgery Nihon University School of Dentistry at Matsudo Chiba Japan Department of Fixed Prosthodontics Nihon University School of Dentistry at Matsudo Chiba Japan Department of Oral Implantology Nihon University School of Dentistry at Matsudo Chiba Japan

Purpose: The genus Pseudomonas is a ubiquitous microorganism frequently detected from immunocompromised patients. The inherent resistance to numerous antimicrobial agents contributes to the opportunistic character of this pathogen exhaustive monitoring of this pathogen is considered of critical importance to public health organizations. The reliable identification method able to distinguish genetic close Pseudomonas species is needed, because these organisms are difficult to differentiate by phenotypic or biochemical methods. The purpose of the present study was to design species-specific primers in order to identify and detect four Pseudomonas species which are frequently detected from the human oral cavities, and to investigate the distribution of these organisms in the living environment using a multiplex PCR. Methods: Polymerase chain reaction (PCR) primers were designed based on partial sequences of the rpoD gene of four Pseudomonas species. Swab samples were collected from fifty washstands, and the distribution of Pseudomonas species was investigated using a conventional PCR at genus level and a multiplex PCR at species level. Results: Multiplex PCR method developed in this study was able to distinguish four Pseudomonas species clearly. The genus Pseudomonas was detected from all samples (100%), whereas P. putida, P, aeruginosa, P. stutzeri and P. fluorescens were detected at 44%, 8%, 4% and 2% in fifty swab samples, respectively. Conclusion: Our developed one-step multiplex PCR method is accurate, specific, cost-effective, time-saving, and works without requiring DNA extraction. It was indicated that washstands were the uninhabitable environment for P. putida, P, aeruginosa, P. stutzeri and P. fluorescens.

关键词： Genus Pseudomonas Multiplex PCR Living Environment

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Molecular mechanisms of lesion-induced axonal sprouting in the corticofugal projection:the role of glial cells

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Neural Regeneration Research 2023年第6期18卷 1259-1260页

作者： Leechung Chang Nobuhiko yamamoto Laboratory of Cellular and Molecular Neurobiology Graduate School of Frontier BiosciencesOsaka UniversitySuitaOsakaJapan

After injury of the central nervous system(CNS),neuronal circuits are known to remodel for functional *** general,there are two strategies for the remodeling:axonal regeneration and sprouting(Figure 1A).Axonal regeneration is re-growth of injured neurons themselves,but axons hardly regenerate in the adult mammalian CNS(Silver and Miller,2004).On the other hand,axonal sprouting is new growth from intact or spared neurons to the denervated target by forming axon collaterals,compensating for damaged *** process is a more effective way for circuit remodeling,as it does not necessarily require long axonal elongation.

关键词： axonal projection Figure

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肝静脉压力梯度微创时代:基于前臂静脉入路的探索

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中华肝脏病杂志 2024年第1期32卷 35-39页

作者：王继涛李雷牛猛朱清亮赵中伟 Kohei Kotani Akira yamamoto 张海军李双喜徐丹康宁李小果张昆鹏孙骏吴发宗张海龙刘登湘吕沐瀚纪建松 Norifumi Kawada 徐克祁小龙河北省肝硬化门静脉高压重点实验室河北医科大学附属邢台市人民医院邢台054000 兰州大学第一医院介入科兰州730000 中国医科大学附属第一医院介入科沈阳110000 西南医科大学附属医院消化内科泸州646000 丽水市中心医院介入诊疗中心丽水323000 日本大阪市立大学医院肝病科日本大阪日本大阪市立大学医学院放射介入科日本大阪东南大学附属中大医院门静脉高压中心南京210009

目的经颈静脉或经股动脉途径被用作当前实践中肝静脉压力梯度(HVPG)测量的常用方法。该研究旨在证实经前臂静脉途径测量HVPG的安全性和有效性。方法针对2020年9月至2020年12月前瞻性地从中国和日本的6所医院招募了经前臂静脉进行HVPG检... 详细信息

目的经颈静脉或经股动脉途径被用作当前实践中肝静脉压力梯度(HVPG)测量的常用方法。该研究旨在证实经前臂静脉途径测量HVPG的安全性和有效性。方法针对2020年9月至2020年12月前瞻性地从中国和日本的6所医院招募了经前臂静脉进行HVPG检测肝硬化患者,并收集患者的临床基线资料以及HVPG检测数据。入组患者均选择经右侧肘正中静脉或贵要静脉入路,采用HVPG标准化流程进行测压。研究数据采用SPSS 22.0统计学软件进行分析。定量资料采用中位数(四分位数间距)表示,定性资料采用频数和率表示。两组数据之间的相关性分析采用Pearson相关性分析。结果研究共入组43例患者,其中41例(95.3%)患者成功接受了经前臂静脉途径HVPG检测。无患者出现任何严重并发症。经前臂静脉途径HVPG检测中位操作时间为18.0min(12.3~38.8min)。研究证实HVPG与Child-Pugh评分(r=0.47,P=0.002)、白蛋白-胆红素评分(r=0.37,P=0.001)、Lok指数(r=0.36,P=0.02)、肝脏硬度(r=0.58,P=0.01)、脾硬度(r=0.77,P=0.01)呈正相关,且与白蛋白呈负相关(r=-0.42,P=0.006)。结论多中心回顾性研究结果提示经前臂静脉途径HVPG测量是安全可行的。

关键词：肝硬化肝静脉压力梯度前臂静脉

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Snowpeak白马陆地站

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城市环境设计 2024年第1期147卷 86-91页

作者：长谷川伦之梅川元一山本纮代田中克昌 IT Imaging

我们创建了一个名为“Snowpeak白马村陆地站”的户外娱乐设施，集商店、餐厅、咖啡馆和户外活动于一体，旨在刺激长野县白马村的经济发展。用地周围的树林里有木制拖车房住箱，游客可以享受露营和豪华野营的乐趣。大屋顶的造型设计旨在...

我们创建了一个名为“Snowpeak白马村陆地站”的户外娱乐设施，集商店、餐厅、咖啡馆和户外活动于一体，旨在刺激长野县白马村的经济发展。用地周围的树林里有木制拖车房住箱，游客可以享受露营和豪华野营的乐趣。大屋顶的造型设计旨在映射白马村三座山峰的轮廓。此外，还根据树枝和雪花的形状，使用小直径木材设计了一个木结构框架。利用类似篷布使用的织物将空间分割成不同区域，并在墙壁上排列了带有树皮的木制百叶窗，创造出室内却能体验“野外郊游”的空间感。

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Harmonic Measures and Numerical Computation of Cauchy Problems for Laplace Equations

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Chinese Annals of Mathematics,Series B 2023年第6期44卷 913-928页

作者： Yu CHEN Jin CHENG Shuai LU Masahiro yamamoto School of Mathematics Shanghai University of Finance and EconomicsShanghai 200433China. School of Mathematical Sciences Fudan UniversityShanghai 200433China School of Mathematical Sciences the University of TokyoTokyo 153Japan

It is well known that the Cauchy problem for Laplace equations is an ill-posed problem in Hadamard’s *** deviations in Cauchy data may lead to large errors in the *** is observed that if a bound is imposed on the solution,there exists a conditional stability *** gives a reasonable way to construct stable ***,it is impossible to have good results at all points in the *** numerical methods for Cauchy problems for Laplace equations have been widely studied for quite a long time,there are still some unclear points,for example,how to evaluate the numerical solutions,which means whether they can approximate the Cauchy data well and keep the bound of the solution,and at which points the numerical results are reliable?In this paper,the authors will prove the conditional stability estimate which is quantitatively related to harmonic *** harmonic measure can be used as an indicate function to pointwisely evaluate the numerical result,which further enables us to find a reliable subdomain where the local convergence rate is higher than a certain order.

关键词： Conditional stability Cauchy problem Laplace equation Indicate function

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Dispersion hydrophobic electrolyte enables lithium-oxygen battery enduring saturated water vapor

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Journal of Energy Chemistry 2022年第1期31卷 511-519,I0014页

作者： Yinan Zhang Fangling Jiang Hao Jiang Osamu yamamoto Tao Zhang State Key Lab of High Performance Ceramics and Superfine Microstructure Shanghai Institute of CeramicsChinese Academy of SciencesShanghai 200050China Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of SciencesBeijing 100049.China Key Laboratory for Ultrafine Materials of Ministry Education School of Materials Science and EngineeringEast China University Science and TechnologyShanghai 200237China Department of Chemistry Faculty of EngineeringMie UniversityTsu 514-8507Japan

Li-O_(2) batteries gain widespread attention as a can didate for next-generati on energy storage devices due to their extraordinary theoretic specific *** semi-open structure of Li-O_(2) batteries causes many parasitic reactions,especially related to *** is a double-edged sword,which destroys Li anode and simultaneously triggers a solution-based pathway of the discharge *** this work,hexamethyldisilazane(HMDS)is introduced into the electrolyte of an aprotic Li-O_(2) *** has a strong ability to combine with a trace of water to gen erate a hydrophobic hexamethyldisiloxa ne(MM),which eliminates water from the electrolyte decomposition and then prevents the Li anode from producing the insulating LiOH with *** this case,the hydrophobic MM disperses in the ether-based electrolyte,forming a dispersion hydrophobic *** electrolyte can anchor water from the environment on the cathode side,which triggers a solution-based pathway and regulates the growth morphology of the discharge product and consequently increases the discharge *** with the Li-O_(2) battery without the HMDS,the HMDS-containing Li-O_(2) battery contributes an about 13-fold increase of cyclability(400 cycles,1800 h)in the extreme environment of saturated water *** work opens a new approach for directly operating aprotic Li-O_(2) batteries in ambient air.

关键词： Hexamethyldisilazane Dispersion hydrophobic electrolyte Saturated water vapor pressure Li-O2 battery Long life

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