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Usefulness of urinary trypsinogen-2 and trypsinogen activation peptide in acute pancreatitis:A multicenter study in Japan

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World Journal of Gastroenterology 2019年第1期25卷 107-117页

作者： Hiroaki Yasuda Keisho Kataoka Yoshifumi Takeyama Kazunori Takeda Tetsuhide Ito Toshihiko Mayumi Shuji Isaji Tetsuya Mine Motoji Kitagawa Seiki Kiriyama Junichi Sakagami Atsushi Masamune Kazuo Inui Kenji Hirano Ryukichi Akashi masamichi yokoe Yoshio Sogame Kazuichi Okazaki Chie Morioka Yasuyuki Kihara Shigeyuki Kawa Masao Tanaka Akira Andoh Wataru Kimura Isao Nishimori Junji Furuse Isao Yokota Tooru Shimosegawa Department of Medicine Division of Gastroenterology and Hepatology Kyoto Prefectural University of Medicine Department of Surgery Kindai University Faculty of Medicine Department of Surgery National Hospital Organization Sendai Medical Center Department of Medicine and Bioregulatory Science Graduate School of Medical Sciences Kyushu University Department of Emergency Medicine University of Occupational and Environmental Health Department of Hepatobiliary-Pancreatic and Transplant Surgery Mie University School of Medicine Department of Gastroenterology Tokai University School of Medicine Department of Nutritional Sciences Nagoya University of Arts and Sciences Department of Gastroenterology Ogaki Municipal Hospital Division of Gastroenterology Tohoku University Graduate School of Medicine Department of Gastroenterology Fujita Health University Bantane Hospital Department of Gastroenterology Graduate School of Medicine University of Tokyo Department of Healthcare Center Kumamoto Regional Medical Center General Internal Medicine Japanese Red Cross Nagoya Daini Hospital The Third Department of Internal Medicine Division of Gastroenterology and Hepatology Kansai Medical University Third Department of Internal Medicine Nara Medical University Department of Gastroenterology Kitakyushu General Hospital Department of Internal Medicine Matsumoto Dental University Department of Surgery and Oncology Graduate School of Medical SciencesKyushu University Division of Gastroenterology Department of Internal Medicine Shiga University of Medical Science Department of Gastroenterological General Breast and Thyroid SurgeryYamagata University Faculty of Medicine Department of Gastroenterology and Hepatology Kochi Medical School Faculty of Medicine Department of Medical Oncology Kyorin University Department of Biostatistics Hokkaido University

BACKGROUND Rapid urinary trypsinogen-2 dipstick test and levels of urinary trypsinogen-2 and trypsinogen activation peptide(TAP) concentration have been reported as prognostic markers for the diagnosis of acute *** To reconfirm the validity of all these markers in the diagnosis of acute pancreatitis by undertaking a multi-center study in *** Patients with acute abdominal pain were recruited from 17 medical institutions in Japan from April 2009 to December 2012. Urinary and serum samples were collected twice, at enrollment and on the following day for measuring target markers. The diagnosis and severity assessment of acute pancreatitis were assessed based on prognostic factors and computed tomography(CT) Grade of the Japanese Ministry of Health, Labour, and Welfare *** A total of 94 patients were enrolled during the study period. The trypsinogen-2 dipstick test was positive in 57 of 78 patients with acute pancreatitis(sensitivity,73.1%) and in 6 of 16 patients with abdominal pain but without any evidence of acute pancreatitis(specificity, 62.5%). The area under the curve(AUC) score of urinary trypsinogen-2 according to prognostic factors was 0.704, which was highest in all parameter. The AUC scores of urinary trypsinogen-2 and TAP according to CT Grade were 0.701 and 0.692, respectively, which shows higher than other pancreatic enzymes. The levels of urinary trypsinogen-2 and TAP were significantly higher in patients with extended extra-pancreatic inflammation as evaluated by CT *** We reconfirmed urinary trypsinogen-2 dipstick test is useful as a marker for the diagnosis of acute pancreatitis. Urinary trypsinogen-2 and TAP may be considered as useful markers to determine extra-pancreatic inflammation in acute pancreatitis.

关键词： Acute pancreatitis Trypsinogen activation peptide Urinary trypsinogen-2 dipstick test

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Experimental Research of External Desulfurization in Situ Mechanical Stirring

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Journal of Iron and Steel Research International 2011年第S2期18卷 119-124页

作者： masamichi Sano Nagoya University

This paper presents a new idea about desulfurization with in-situ mechanical stirring method on the basis of desulfurization by single blow grain magnesium and KR method, that is, the inner gases carry the magnesium vapor formed in-site in molten iron by magnesium-based desulfurization, and bubble dispersed and disintegrated under the condition of mechanical stirring, thence to improve the efficiency of desulfurization by single blow grain magnesium .It has been proved by research of cold water model experiment that the bubble dispersion and disintegration can not only improve the desulphurization efficiency but also increase the utilization rate of magnesium. Obviously, the bubble dispersion and disintegration of magnesium vapor is the key problem in improving the desulphurization efficiency and increasing the utilization rate of magnesium. Thus the research focus on exploring the performance of bubble dispersion and disintegration on the base of refining process and gas-liquid mass transfer. According to the literature and cold water model experimental result basing on principle of similitude, the influencing factors and interaction of bubble dispersion and disintegration have been studied from the perspectives of physical and numerical simulation. The study would provide the theoretical and experimental data for the new method of desulfurization with in-situ mechanical stirring.

关键词： in-situ mechanical stirring method magnesium-based desulfurization bubble disintegration and dispersion injection refining water model

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Study on Absorption Rate by Eccentric Mechanical Stirring in Gas Injection Refining for Iron and Steel Making

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Journal of Iron and Steel Research International 2011年第S2期18卷 166-171页

作者： masamichi Sano Nagoya University

In gas injection refining processes, a great amount of gas is injected into molten metal in short time, so that very large bubbles are inevitably formed. Wide dispersion of small bubbles in the bath is indispensable for high refining efficiency. Eccentric mechanical stirring with unidirectional impeller rotation was tested using a water model for pursuing better bubble disintegration and dispersion. Absorption rate are used to research on the influence law of the bubble dispersion and disintegration and gas-liquid absorption by the influence of, rotation mode, rotation speed and gas flow rate. Compared to the experimental results of absorption rate under eccentric stirring and centric stirring ,provide the scientific experimental and theoretical guidance for high-temperature experiment of hot metal desulfurization .According to experimental and theoretical analysis, this paper has studied various factors effecting on gas absorption process and volumetric mass transfer coefficient using the system of *** results show that:the volumetric mass transfer coefficient and absorption efficiency of CO2 can be increased under eccentric stirring mode, Because bubble disperse quickly with eccentric mechanical stirring, which results in promoting complete reaction between CO2 and NaOH, and improving the mass transfer coefficient and absorption. Volumetric mass transfer coefficient and efficiency of CO2 increase with the increasing rotation speed under the condition of eccentric stirring .But volumetric mass transfer coefficient and efficiency of CO2 decrease with the increasing rotation speed under the condition of centric stirring.

关键词： eccentric stirring bubble dispersion bubble disintegration volumetric mass transfer coefficient efficiency of CO2

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Bubble behavior in cylindrical and square vessels under centric mechanical stirring

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Journal of Iron and Steel Research International 2021年第10期28卷 1243-1250页

作者： Kun Wang Yan Liu masamichi Sano Ting-an Zhang School of Metallurgy Northeastern UniversityShenyang110819LiaoningChina Department of Materials Processing Engineering Nagoya UniversityNagoya464-8601Japan

Water model experiments were carried out to investigate the bubble behavior in cylindrical and square vessels under centric mechanical *** bubble behavior in the square vessel was investigated in detail by using a high-speed camera to record the transient images of the *** image analysis software was used to obtain the bubble *** results showed that the centric mechanical stirring in the square vessel was suitable for breakage and dispersion of bubbles,but not suitable for that in the cylindrical *** the impeller blade length and impeller rotation speed was beneficial to disintegrate and disperse bubbles *** bubble diameter decreased with the increase in the Weber number and increased slightly with the increase in the modified Froude *** dimensionless correlation equation of bubble diameter was obtained by the dimensional analysis method.

关键词： Gas injection refining Mechanical stirring Mg desulfurization Bubble breakage Bubble dispersion Dimensional analysis

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Original single-incision laparoscopic cholecystectomy for acute inflammation of the gallbladder

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World Journal of Gastroenterology 2012年第9期18卷 944-951页

作者： Kazunari Sasaki Goro Watanabe masamichi Matsuda Masaji Hashimoto Department of Digestive Surgery Hepato Pancreato Biliary Surgery UnitToranomon Hospital

AIM： To investigate the safety and feasibility of our original single-incision laparoscopic cholecystectomy （SII_C） for acute inflamed gallbladder （AIG）.

关键词： Single-incision laparoscopic cholecystectomy Acute cholecystitis Acute cholangitis

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Contributions of distinct prefrontal neuron classes in reward processing

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Science China(Technological Sciences) 2014年第6期57卷 1257-1268页

作者： PAN XiaoChuan FAN HongWei WANG RuBin SAKAGAMI masamichi Institute for Cognitive Neurodynamics East China University of Science and Technology Brain Science Institute Tamagawa UniversityTamagawagakuen 6-1-1MachidaTokyo 194-8610Japan

The prefrontal cortex(PFC)is thought to be involved in higher order cognitive functions,such as in working memory,abstract categorization,and reward *** has been reported that two distinct neuron classes(putative pyramidal cells and interneurons)in the PFC played different functional roles in neural circuits involved in forming working memory and abstract ***,it remains elusive how the two types of neurons process reward information in the *** investigate this issue,the activity of single neurons was extracellularly recorded in the PFC of the monkey performing a reward predicting *** neurons were classified into putative pyramidal cells and interneurons,respectively,based on the waveforms of action *** the two types of neurons encoded reward information and discriminated two reward conditions(the preferred reward condition *** nonpreferred reward condition).However,the putative pyramidal neurons had better and more reliable discriminability than the putative ***,the pyramidal cells represented reward information in the preferred reward condition,but not in the nonpreferred reward condition by raising their firing rates relative to the baseline *** contrast,the interneurons encoded reward information in the nonpreferred reward condition,but not in the preferred reward condition by inhibiting their discharge rates relative to the baseline *** results suggested that the putative pyramidal cells and interneurons had complementary functions in reward *** findings may help to clarify individual functions of each type of neurons in PFC neuronal circuits involved in reward processing.

关键词： prefrontal cortex reward pyramidal neuron interneuron monkey single-unit activity

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Vulnerable atherosclerotic plaque features:findings from coronary imaging

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Journal of Geriatric Cardiology 2021年第7期18卷 577-584页

作者： Osamu Kurihara masamichi Takano Yasushi Miyauchi Kyoichi Mizuno Wataru Shimizu Cardiovascular Center Chiba Hokusoh HospitalNippon Medical SchoolChibaJapan Mitsukoshi Health and Welfare Foundation TokyoJapan Division of Cardiology Nippon Medical SchoolTokyoJapan

Pathological studies have suggested that features of vulnerable atherosclerotic plaques likely to progress and lead to acute cardiovascular events have specific *** the progress of intravascular coronary imaging technology,some large prospective studies have detected features of vulnerable atherosclerotic plaques using these imaging ***,the rate of cardiovascular events,such as acute coronary syndrome,has been found to be considerably reduced in the limited follow-up period available in the statin ***,not all disrupted plaques lead to thrombus formation with clinical *** sub-occlusive or occlusive thrombus formation does not occur,a thrombus on a disrupted plaque will organize without any symptoms,forming a"healed plaque".Although vulnerable plaque detection using intracoronary imaging is focused on"thin-cap fibroatheroma"leading to plaque rupture,superficial plaque erosion is increasingly recognized;however,the underlying mechanism of thrombus formation on eroded plaques is not well *** of intravascular imaging,optical coherence tomography(OCT)has the highest image resolution and has enabled detailed characterization of the plaque in ***,we reviewed the status and limitations of intravascular imaging in terms of detecting vulnerable plaque through mainly OCT *** suggested that vulnerable plaque should be reconsidered in terms of eroded plaque and healed plaque and that both plaque and circulating blood should be assessed in greater detail accordingly.

关键词： coronary acute superficial

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One-Stage Correction with Intra- and Extraatrial Rerouting of Anomalous Systemic and Pulmonary Venous Return and Intraventricular Repair of Double Outlet Right Ventricle in a Patient with Heterotaxy Syndrome

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Congenital Heart Disease 2022年第1期17卷 25-30页

作者： Helena Staehler Carina Hopfner masamichi Ono Jurgen Horer Department of Congenital and Pediatric Heart Surgery German Heart Center MunichTechnische Universitat MünchenDivision of Congenital and Pediatric Heart SurgeryUniversity Hospital of MunichLudwig-Maximilians-UniversitatMunichGermany Department of Pediatric Cardiology and Pediatric Intensive Care University Hospital of MunichLudwig-Maximilians-UniversitatMunichGermany

We report a very rare case of successful intracardiac correction in a patient with heterotaxy *** cardiac malformations included dextrocardia,double outlet right ventricle,pulmonary stenosis,interrupted inferior vena cava,hemiazygos continuation and total anomalous pulmonary venous ***-stage correction was *** atrial procedure consisted of intra-and extraatrial rerouting of the anomalous systemic and pulmonary venous *** hepatic veins were detached and diverted to the left atrium via an extracardiac *** correction of the double outlet right ventricle was accomplished by intraventricular redirection of the blood flow from the left ventricle to the *** right ventricular outflow was ultimately remodeled using a valved *** better perception of the complex morphology,a three-dimensional model was designed,using CT scan *** proved to be very useful for surgical planning,especially with regard to the intraatrial reconstruction of the systemic and pulmonary venous rerouting.

关键词： Heterotaxy syndrome anomalous systemic venous return anomalous pulmonary venous return azygos continuation double outlet right ventricle 3D modeling

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Improvement of Impeller Blade Structure for Gas Injection Refining under Mechanical Stirring

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Journal of Iron and Steel Research International 2014年第2期21卷 135-143页

作者： Yan LIU Zi-mu ZHANG Sano masamichi Jun ZHANG Pin SHAO Ting-an ZHANG Key Laboratory of Ecological Utilization of Multi-metal Intergrown Ores of Ministry of Education School of Materials and MetallurgyNortheastern University Nagoya University

Abstract： The impeller blade structure for gas injection refining under mechanical stirring has been explored by water model experiments. A sloped swept-back blade impeller is＇proposed for the purpose. The central part of the impeller is disk- or plate-shaped, and the blades are fitted to the side of the disk or plate. In addition, a disk is put on the top side of the impeller blades. The impeller can strengthen the radial and downward flow between the blades and weaken the swirl flow in the zone above the impeller. These effects on flow phenomena are favorable for disintegration and wide dispersion of bubbles which are injected from a nozzle attached to the center of the underside of the impeller. In addition, the sloped swept-back impeller requires less power consumption. The impeller shaft should be placed away from the vessel center so as to disperse the injected bubbles widely in the bath under mechanical stirring even with unidi- rectional impeller rotation and without installing baffles. The number of gas holes in the nozzle and the direction of gas injection have a little effect on the bubble disintegration and dispersion in the bath. Highly efficient gas injection refining can be established under the conditions of proper impeller size, larger nozzle immersion depth, larger eccen- tricity and rotation speed of the impeller. The sloped swept back blade impeller can decrease the power consumption and vet improve the bubble disintegration and wide dist^ersion in the bath.

关键词： gas injection refining cold model eccentric mechanical stirring impeller structure power consump-tion bubble disintegration bubble dispersion

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Are angiographic culprit lesions true?Disagreement between angiographic and optical coherence tomographic detection

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Journal of Geriatric Cardiology 2021年第10期18卷 844-846页

作者： Osamu Kurihara masamichi Takano Yusaku Shibata Nobuaki Kobayashi Yasushi Miyauchi Kuniya Asai Cardiovascular Center Nippon Medical School Chiba Hokusoh HospitalInzaiChibaJapan Division of Intensive Care Unit Nippon Medical School Chiba Hokusoh HospitalInzaiChibaJapan

Coronary angiography provides a two-dimensional silhouette of the vascular *** is the gold standard for the dia-gnosis of coronary artery disease and is essential during percutaneous coronary intervention(PCI).

关键词： coronary lesions Coronary

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