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<i>Vibrio vulnificus</i>septicemia and necrotizing fasciitis in the patients with liver cirrhosis and diabetes mellitus

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Journal of Diabetes Mellitus 2012年第1期2卷 122-125页

作者： Hiroyuki Ito Akane Shibayama Mariko Abe Shinichi Antoku Hiroko Nawata Miyuki Isonishi masaki fujita Shojiro Kato Department of Diabetes Metabolism and Kidney Disease Edogawa Hospital Tokyo Japan

Vibrio vulnificus (V. vulnificus) infection is a rare disease in Japan but the leading cause of death related to raw seafood consumption. We hereby reported a successfully treated case of V. vulnificus septicemia, severe necrotizing fasciitis, disseminated intravascular coagulation and multiple organ failure after raw perch consumption with underlying alcoholic liver cirrhosis and diabetes mellitus. It is the first report of a case of V. vulnificusinfection caused by eating raw perch, whereas V. vulnificus infection should be suspected in all of middle-aged to elderly men with underlying immunosuppressive diseases, who have recent consumption of raw seafood or contact with seawater, especially in the summer. The levels of HbA1c and glycoalbumin were not high in the present case, however, obvious hyperglycemia was found even after the infection had completely healed. On reviewing 166 case of V. vulnificus infection in Japan including ours, the complication of diabetes mellitus, one of immunocompromised condition, was found only in 11%, although it had been reported that individuals strongly suspected of having diabetes were 17.2% among the Japanese male population aged from 40 to 74 years. Because diabetes mellitus might be underdiagnosed in the previous reports, intensive examinations are considered to be necessary in order to correctly diagnose diabetes mellitus in patients with severe V. vulnificus infection.

关键词： Vibrio Vulnificus Primary Septicemia Necrotizing Fasciitis Liver Cirrhosis Diabetes Mellitus

Electro-optic 3D snapshot of a laser wakefield accelerated kilo-ampere electron bunch

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Light(Science & Applications) 2024年第5期13卷 823-834页

作者： Kai Huang Zhan Jin Nobuhiko Nakanii Tomonao Hosokai masaki Kando Kansai Institute for Photon Science(KPSI) National Institutes for Quantum Science and Technology(QST)KyotoJapan. Laser Accelerator R&D Innovative Light Sources DivisionRIKEN SPring-8 CenterHyogoJapan. SANKEN Osaka UniversityOsakaJapan

Laser wakefield acceleration,as an advanced accelerator concept,has attracted great attentions for its ultrahigh acceleration gradient and the capability to produce high brightness electron *** three-dimensional(3D)density serves as an evaluation metric for the particle bunch quality and is intrinsically related to the applications of an *** its significance,this parameter has not been experimentally measured in the investigation of laser wakefield *** report on an electro-optic 3D snapshot of a laser wakefield electron bunch at a position outside the *** 3D shape of the electron bunch was detected by simultaneously performing optical transition radiation imaging and electro-optic *** 3D structures to a few micrometer levels were reconstructed using a genetic *** electron bunch possessed a transverse size of less than 30 *** current profile shows a multi-peak *** main peak had a duration of1 *** maximum electron 3D number density was~9×10^(21)m^(-3).This research demonstrates a feasible way of 3D density monitoring on femtosecond kilo-ampere electron bunches,at any position of a beam transport line for relevant applications.

关键词： laser acceleration field

Dietary characteristics of the Malayan Night Heron (Gorsachius melanolophus) in the Yaeyama Islands,southern Japan

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Chinese Birds 2011年第2期02卷 87-93页

作者： Kazuto KAWAKAMI masaki fujita Motohiro HASEGAWA Hiroshi MAKIHARA Forestry and Forest Products Research Institute Okinawa Prefectural Museum and Art Museum

The Malayan Night Heron (Gorsachius melanolophus) inhabits a range of tropical and subtropical zones in South,Southeast and East *** this heron breeds singularly in dense forests,its detailed ecology is not well known and only piecemeal information on its diet is ***,we quantitatively estimated its diet menu with an analysis of pellets and stomach contents in the subtropical Yaeyama Islands of southern *** results showed that the heron frequently foraged on land snails,arachnids,freshwater crabs and insects;no fish were *** the earthworm was believed to be a primary dietary source of this species,it was not detected in our results,as it does not remain in pellets due to its high *** indicated that this bird dominantly depends on soil animals that inhabit humid forest *** the heron does not directly utilize aquatic habitats,they likely prefer moist forests caused by watery environments such as streams and *** forests should be conserved for maintaining populations of this heron species.

关键词： diet Gorsachius melanolophus pellet analysis soil animal

New therapies for chronic obstructive pulmonary disease,lung regeneration

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World Journal of Respirology 2015年第1期5卷 34-39页

作者： masaki fujita Department of Respiratory Medicine Faculty of MedicineFukuoka University

Chronic obstructive pulmonary disease(COPD) is characterized by the presence of airflow limitations that are not fully reversible and is a major cause of chronic morbidity and mortality worldwide. Although there has been extensive research examining the molecular mechanisms underlying the development of COPD, there is no proven clinically effective treatment for promoting recovery from established COPD. At present, regeneration is the only hope for a cure in patients with COPD. In this article, we review current treatments for COPD, focusing particularly on recent advances in lung regeneration based on two major approaches: regeneration-promoting agents and cell therapy. Retinoic acids are the majorfocus among regeneration-promoting agents, while mesenchymal stem cells are the main topic in the field of cell-based therapy. This article aims to provide valuable information for developing new therapies for COPD.

关键词： Emphysema Chronic inflammation Stem cell Retinoic acid TypeⅡcells

Method to measure tree-ring width,density,elemental composition,and stable carbon and oxygen isotopes using one sample

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Journal of Forestry Research 2024年第3期35卷 167-174页

作者： Chenxi Xu Yaru Zhao Wenling An Qingyu Zhao Yucheng Liu masaki Sano Takeshi Nakatsuka Key Laboratory of Cenozoic Geology and Environment Institute of Geology and GeophysicsChinese Academy of SciencesBeijing 100029People's Republic of China CAS Center for Excellence in Life and Paleoenvironment Beijing 100044People's Republic of China College of Earth Sciences University of Chinese Academy of SciencesBeijing 100049People's Republic of China Graduate School of Environment Studies Nagoya UniversityNagoya 4648601Japan

Tree-ring width(RW),density,elemental com-position,and stable carbon and oxygen isotope(δ^(13)C,δ^(18)O)are widely used as proxies to assess climate change,ecology,and environmental pollution;however,a specific pretreat-ment has been needed for each ***,we developed a method by which each proxy can be measured in the same ***,the sample is polished for ring width *** obtaining the ring width data,the sample is cut to form a 1-mm-thick wood *** sample is then mounted in a vertical sample holder,and gradually scanned by an X-ray ***,the count rates of the fluorescent photons of elements(for chemical characteriza-tion)and a radiographic grayscale image(for wood density)are obtained,*** density and the element content are ***,cellulose is isolated from the 1-mm wood plate by removal of lignin,and *** producing this cellulose plate,cellulose subsamples are separated by knife under the microscope for inter-annual and intra-annual stable carbon and oxygen isotope(δ^(13)C,δ^(18)O)*** on this method,RW,density,elemental composition,δ^(13)C,and δ^(18)O can be measured from the same sample,which reduces sample amount and treatment time,and is helpful for multi-proxy comparison and combination research.

关键词： Tree-ring width Tree-ring density Tree-ring elemental composition Tree-ring stable carbon and oxygenisotopes

Clinical Utility of Procalcitonin for Differentiating between Cryptogenic Organizing Pneumonia and Community-Acquired Pneumonia

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International Journal of Clinical Medicine 2015年第6期6卷 372-376页

作者： Satoshi Takeda Nobuhiko Nagata Hiroyuki Miyazaki Takanori Akagi Taishi Harada Masaru Kodama Shinichiro Ushijima Takashi Aoyama Kentaro Wakamatsu masaki fujita Kentaro Watanabe Department of Respiratory Medicine Fukuoka University Chikushi Hospital Chikushino Japan Department of Respiratory Medicine National Hospital Organization Omuta Hospital Omuta Japan Department of Respiratory Medicine Faculty of Medicine Fukuoka University Fukuoka Japan

Background: Differentiating cryptogenic organizing pneumonia (COP) from community-acquired pneumonia (CAP) can be difficult in some cases. Objective: To clarify the clinical utility of procalcitonin (PCT) levels for differentiating between COP and CAP. Methods: Blood PCT levels, leukocyte count, C-reactive protein concentration, number of segments involved on computed tomography (CT) images, and pneumonia severity assessment scale were retrospectively investigated from clinical charts and chest CT images of COP and CAP patients who were admitted to our hospital from 2012 to 2014. The clinical characteristics of COP patients were compared to those of CAP patients for whom causative organisms were not detected. Results: There were 16 COP and 94 CAP patients for whom causative organisms were not detected. Blood PCT levels of all COP patients were less than 0.16 ng/dL, and significantly lower than those of CAP patients (p = 0.0004), while the number of involved segments was significantly higher than that of CAP patients (p = 0.0001). Blood PCT levels and the number of involved segments remained independently significant for differentiating between COP and CAP by multivariate analysis. Receiver operating characteristics curve analysis revealed that 7 was the best cut-off number for involved segments to differentiate between COP and CAP patients with low PCT levels (sensitivity 85.7%, specificity 94.7%). Conclusion: A combination of PCT levels and number of involved segments on CT images is useful for differentiation between COP and CAP.

关键词： Cryptogenic Organizing Pneumonia Procalcitonin Community-Acquired Pneumonia Computed Tomography

Fluorescence‑Based Calibration Model for In‑Situ Measurement of Micro‑scaled Lubricant Thickness Distribution at Indentation Interface

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Nanomanufacturing and Metrology 2024年第2期7卷 76-88页

作者： Motoya Yoshikawa Saeko Fujii Shotaro Kadoya Tatsuya Sugihara masaki Michihata Satoru Takahashi Department of Precision Engineering The University of TokyoHongo 7‑3‑1BunkyoTokyo 113‑8656Japan Department of Mechanical Engineering Osaka UniversityYamadaoka 2‑1SuitaOsaka 565‑0871Japan

This study proposes a model for the measurement of microscale liquid film thickness distribution using fluorescence *** interfacial conditions between the tool and the workpiece in mechanical machining are important for understanding these phenomena and *** this study,indentation tests with transparent tools were used to observe interfaces;however,it was challenging to obtain the signal from a thin fluorescent liquid film on smooth and steeply inclined ***,fluorescence-based measurement,such as laser-induced fluorescence,was *** measure the absolute thickness of the thin fluorescent film,calibration of the measurement system is ***,a theoretical model was proposed considering the multiple reflections of excitation light and fluorescence at the inclined surface between the indenter and *** measuring the profile of the surface topography of the indented workpiece and comparing the results with those measured by a surface profiler,the validity of the proposed calibration method and the performance of this measurement system were *** measured surface profiles,including scratches of 2–4μm,were in good agreement,demonstrating the validity of the proposed method.

关键词： Laser-induced fluorescence(LIF) Thickness distribution In-situ measurement Lubricant Mechanical machining

Optimal interval for delayed retrieval surgery with reciprocating morcellators after enucleation of giant prostatic hyperplasia in holmium laser enucleation of the prostate

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Asian Journal of Urology 2024年第3期11卷 423-428页

作者： Fumiyasu Endo masaki Shimbo Kenji Komatsu Kazuhiro Ohwaki Kazunori Hattori Department of Urology St.Luke’s International Hospital9-1 Akashi-choChuo-kuTokyoJapan Department of Hygiene and Public Health Teikyo University School of Medicine Graduate School of Medicine2-11-1 KagaItabashi-kuTokyoJapan

Objective:The aim of this research was to evaluate the efficiency of reciprocating morcellation for removing giant benign prostatic hyperplasia during holmium laser enucleation of the prostate,investigate whether performing morcellation as a two-stage procedure improves tissue retrieval efficiency,and seek to determine the optimal interval between the two ***:This study included nine cases of holmium laser enucleation of the prostate with an enucleated prostate weight exceeding 200 g,indicative of substantial prostate *** was performed on Day 0(n=4),Day 4(n=1),Day 6(n=1),and Day 7(n=3).The intervals were compared regarding the morcellation efficiency,beach ball presence,and ***:The mean estimated prostate volume was 383(range 330e528)mL;the median enucleation weight was 252(interquartile range[IQR]222,342)g;and the median enucleation time was 83(IQR 62,100)*** mean morcellation efficiency was 1.44(SD 0.55)g/min on Day 0 and 13.69(SD 2.46)g/min on day *** morcellation efficiency was 4.15 g/min and 10.50 g/min on Day 4 and Day 6,respectively,with significantly higher in the two-stage group compared to one-stage group(11.0 g/min vs.1.5 g/min;p=0.014).Efficiency was strongly correlated with intervals(p<0.001);the incidences of beach balls were 100%(4/4)and 60%(3/5)in the immediate and two-stage surgery groups,***:The efficiency of two-stage morcellation with reciprocating morcellators was highly related to the postoperative interval,with the maximum efficiency reached on Day 7.

关键词： Holmiumlaser enucleationofthe prostate Reciprocating morcellator Giant adenoma Two-stage surgery

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