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World Journal of Pediatric Surgery 2023年第3期6卷 168-174页

作者： Mayu Matsui Koshiro Sugita Takafumi Kawano Nanako Nishida Ayaka Nagano Masakazu Murakami Keisuke Yano Toshio Harumatsu Shun Onishi Koji yamada waka yamada Mitsuru Muto Tatsuru Kaji Satoshi Ieiri Department of Pediatric Surgery Kagoshima City HospitalKagoshimaJapan Department of Pediatric Surgery Research Field in Medical and Health SciencesMedical and Dental AreaResearch and Education AssemblyKagoshima UniversityKagoshimaJapan Department of Pediatric Surgery Kurume University School of MedicineKurumeJapan

Objective The present study attempts to clarify the clinical features of pediatric intra-abdominal solid organ injury at two *** The injured organ,patient age,sex,injury grade,imaging findings,intervention,length of hospital stay,and complications were retrospectively reviewed using medical records at two centers from 2007 to *** There were 25 cases of liver injury,9 of splenic injury,8 of pancreatic injury,and 5 of renal *** mean age of all patients was 8.6±3.8 years old,with no difference between organ injury *** intervention was performed in four cases of liver injury(16.0%)and one case of splenic injury(11.1%),and surgery was performed in two cases of liver injury(8.0%)and three cases of pancreatic injury(37.5%).All other cases were treated *** included adhesive ileus in one case of liver injury(4.0%),splenic atrophy in one case of splenic injury(11.1%),pseudocysts in three cases of pancreatic injury(37.5%),atrophy of the pancreatic parenchyma in one case of pancreatic injury(12.5%),and urinoma in one case of renal injury(20.0%).No mortalities were *** Pediatric patients with blunt trauma had favorable outcomes at two pediatric trauma centers covering a broad medical area,including remote islands.

关键词： pediatric trauma injury

Analysis of the risk of ovarian torsion in 49 consecutive pediatric patients treated at a single institution

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World Journal of Pediatric Surgery 2019年第2期2卷 1-5页

作者： Koshiro Sugita Takafumi Kawano Mukai Motoi Toshihiro Muraji Shun Onishi Tomoe Moriguchi Koji yamada waka yamada Ryuta Masuya Seiro Machigashira Kazuhiko Nakame Tatsuru Kaji Satoshi Ieiri Department of Pediatric Surgery Kagoshima University Graduate School of Medicine and Dental SciencesKagoshimaJapan Department of Pediatric Surgery Kirishima Medical CenterKirishimaJapan

Purpose An early diagnosis of ovarian torsion is sometimes difficult due to variable clinical symptoms and non-specific imaging *** retrospectively reviewed patients with pediatric ovarian masses manifesting *** Fifty-eight ovarian masses(55 episodes)in 49 non-neonatal patients treated from April 1984 to March 2017 were retrospectively *** Mann-Whitney U test and Fisher’s exact test were used for the statistical *** The median age of these 55 episodes was 10.5 years old(range 1.0-23.0).Thirty-three patients presented with abdominal ***-five tumors and 13 cystic masses were resected and diagnosed pathologically(50 benign and 8 malignant).Torsion was identified in 15 cases(25.9%)at *** torsion masses were all benign,and 8 ovaries(53.3%)were successfully *** the torsion cases with the non-torsion cases,only the white cell count was significantly higher in the torsion cases(p=0.0133)and in the patients presented with abdominal pain(p=0.0068).The duration of abdominal pain was significantly shorter in ovary preserved cases than in oophorectomy *** The white blood cell may be a helpful indicator of the presence of torsion as well as the need for surgery.

关键词： torsion analysis. white

Cecal volvulus associated with mobile cecum in Cornelia de Lange syndrome: Report of a case

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Open Journal of Pediatrics 2013年第2期3卷 96-98页

作者： Masataka Takahashi Toshihiko Watanabe Hideaki Tanaka waka yamada Koji yamada Yasushi Fuchimoto Shunsuke Nosaka Yutaka Kanamori Division of Radiology Department of Radiology National Center for Child Health and Development Tokyo Japan Division of Surgery Department of Surgical Subspecialties National Center for Child Health and Development Tokyo Japan

We report a case of cecal volvulus in an 11-year-old girl who had been diagnosed with Cornelia de Lange syndrome. She had undergone operative fundoplication several years earlier and was referred to our institute for treatment of intestinal obstruction. A severely dilated colon was detected on abdominal roentgenogram, and abdominal CT and colonic enema strongly suggested cecal volvulus. Emergency operation was performed and cecal volvulus with mobile cecum was ascertained;the volvulus was corrected and the mobile cecum was fixed to the peritoneum on the right side. Neurologically handicapped patients sometimes suffer from cecal volvulus, and patients with Cornelia de Lange syndrome are at especially high risk. Moreover, operative fundoplication promotes intestinal dilatation and it may be another risk factor for cecal volvulus.

关键词： Cecal Volvulus Cornelia de Lange Syndrome Whirl Sign

Pulmonary artery diameter ratio as a prognostic indicator of congenital diaphragmatic hernia

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World Journal of Pediatric Surgery 2024年第1期7卷 20-25页

作者： Yuichiro Miyake Hiroyuki Koga Shuko Nojiri Shunsuke yamada Takanori Ochi Go Miyano Geoffrey J Lane Atsuyuki Yamataka Tadaharu Okazaki Department of Pediatric General and Urogenital Surgery Juntendo University School of MedicineBunkyo-kuTokyoJapan Department of Medical Technology Innovation Center Juntendo UniversityBunkyo-ku TokyoJapan Department of Pediatric Surgery Juntendo University Urayasu HospitalUrayasuChibaJapan

Background Following on from an earlier study published in 2008 about left pulmonary artery(LPA)flow measured on serial echocardiography being strongly prognostic in left-sided congenital diaphragmatic hernia(CDH)and the ratio of LPA to right pulmonary artery(RPA)diameters being a simple and reliable indicator for commencing nitric oxide(NO)therapy,the ratio of LPA:RPA diameters(PA ratio orPAR)was hypothesized to possibly reflect cardiopulmonary stresses accompanying CDH *** Subjects with isolated left-sided CDH treated between 2007 and 2020 at a single pediatric surgical center were recruited and classified according to *** obtained retrospectively for subject demographics,clinical course,LPA/RPA diameters,and PAR were compared between survivors and *** value of PAR for optimizing the prognostic value of PA diameter data in CDH were analyzed with receiver operating characteristic(ROC)curve *** Of 65 subjects,there were 54 survivors(82.3%)and 11 non-survivors(17.7%);7 of 11 non-survivors died before surgical repair could be *** PAR for survivors(0.851±0.152)was significantly higher than for non-survivors(0.672±0.108)(p=0.0003).Mean PAR for non-survivors was not affected by surgical *** of survivors were:LPA≥2 mm(n=52 of 54;mean PAR=0.866±0.146)and RPA≥3mm(n=46 of 54;mean PAR=0.857±0.152).Non-survivors with similar LPA and RPA diameters to survivors had significantly lower mean *** curve cut-off for PAR was *** with high PAR(≥0.762)required high-frequency oscillatory ventilation/NO less than subjects with low PAR(<0.762)(p=0.0244 and p=0.0485,respectively)and subjects with high PAR stabilized significantly earlier than subjects with low PAR(1.71±0.68 days vs 3.20±0.87 days)(p<0.0001).Conclusions PAR would appear to be strongly correlated with clinical outcome in CDH and be useful for planning management of cardiopulmonary instability in CDH.

关键词： hernia congenital diameters

Severe aconite poisoning successfully treated with veno-arterial extracorporeal membrane oxygenation:A case report

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World Journal of Clinical Cases 2024年第2期12卷 399-404页

作者： Saeko Kohara Yoshito Kamijo Ryoko Kyan Ichiro Okada Eiju Hasegawa Soichiro yamada Koichi Imai Asuka Kaizaki-Mitsumoto Satoshi Numazawa Department of Critical Care Medicine and Trauma National Hospital Organization Disaster Medical CenterTokyo 1900014Japan Department of Clinical Toxicology Saitama Medical UniversitySaitama 3500495Japan Saitama Prefectural Institute of Public Health Saitama Prefectural Institute of Public HealthSaitama 3550133Japan Division of Toxicology Department of PharmacologyToxicology and TherapeuticsShowa University School of PharmacyTokyo 1428555Japan

BACKGROUND Most species of aconite contain highly toxic aconitines,the oral ingestion of which can be fatal,primarily because they cause ventricular *** describe a case of severe aconite poisoning that was successfully treated through venoarterial extracorporeal membrane oxygenation(VA-ECMO)and in which detailed toxicological analyses of the aconite roots and biological samples were performed using liquid chromatography-tandem mass spectrometry(LC-MS/MS).CASE SUMMARY A 23-year-old male presented to the emergency room with circulatory collapse and ventricular arrhythmia after ingesting approximately half of a root labeled,“Aconitum japonicum Thunb”.Two hours after arrival,VA-ECMO was initiated as circulatory collapse became refractory to antiarrhythmics and *** hours after arrival,an electrocardiogram revealed a return to sinus *** patient was weaned off VA-ECMO and the ventilator on hospital days 3 and 5,*** hospital day 15,he was transferred to a psychiatric *** other half of the root and his biological samples were toxicologically analyzed using LC-MS/MS,revealing 244.3 mg/kg of aconitine and 24.7 mg/kg of mesaconitine in the *** on admission contained 1.50 ng/mL of *** hospital day 2,neither were *** on admission showed 149.09 ng/mL of aconitine and 3.59 ng/mL of mesaconitine,but these rapidly decreased after hospital day *** The key to saving the life of a patient with severe aconite poisoning is to introduce VA-ECMO as soon as possible.

关键词： Aconite poisoning Fatal arrhythmia Veno-arterial extracorporeal membrane oxygenation Aconitine Mesaconitine Case report

Excellentπ-Bowl Semiconductors Based on C_(70)Subunit

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CCS Chemistry 2024年第2期6卷 353-364页

作者： Meng Chen Yuxiao Duan Xinyue Liu Qian Zhan Hironobu Hayashi Kyohei Matsuo Hiroko yamada Guangpeng Gao Yonghao Zheng Lei Zhang Beijing Advanced Innovation Center for Soft Matter Science and Engineering Beijing University of Chemical TechnologyBeijing 100029 School of Optoelectronic Science and Engineering University of Electronic Science and Technology of China(UESTC)Chengdu 610054 Division of Materials Science Nara Institute of Science and Technology(NAIST)IkomaNara 630-0192 Key Laboratory of Cluster Science of Ministry of Education Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion MaterialsSchool of Chemistry and Chemical EngineeringBeijing Institute of TechnologyBeijing 100081

As open substructures of fullerenes,aromaticπ-bowls are promising candidates as new organic semiconductors,as well as attractive hosts for *** demonstrate herein the synthesis and characterization of a novel C_(2v)symmetricπ-bowl,pyracyleno[6,5,4,3,2,1-pqrstuv]pentaphene(3).Bowl 3 was equipped with two distinctive reactive sites,allowing for bromination and cross-coupling reactions to readily yield functionalized bowls with two 2,4,6-trimethylphenyl(5)and triethylsilyl(TES)-ethynyl(6)substituents,***-temperature 1H NMR analysis and density functional theory(DFT)calculations indicated bowl-to-bowl inversions of 3,5,and 6 at room *** alternating the substituents,the crystal structures of the threeπ-bowls 3,5,and 6 could be controlled from 1D linear to 1D slipped to 2D herringbone packing motifs,providing insight into the packing behavior ofπ-bowls.1H NMR titration study indicated that the TES-ethynyl substituent enhanced the ability ofπ-bowl to bind C_(70)with an association constant of 2485 M−*** C_(70)molecules withπ-bowls 3 and 6 formed 1:1 complexes,in which C_(70)molecules aggregated into zig-zag and 1D linear arrays,*** hole mobility of 2.3 cm^(2)V^(−1)^s(−1)and electron mobility of 0.16 cm^(2)V^(−1)^s(−1)ofπ-bowl 3 and its complex with C_(70)were demonstrated,respectively,which proved a great value for the development of aromaticπ-bowl semiconductors with tunable properties for organic electronic devices.

关键词： organic semiconductor π-bowl fullerene crystal engineering mobility

Study of the Effect of Acetic Acid and Phosphate on Copper Corrosion by Immersion Tests

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Materials Sciences and Applications 2024年第1期15卷 15-23页

作者： Yuna Yamaguchi Kaho Sugiura Toyohiro Arima Fuka Takahashi Itaru Ikeda Yutaka yamada Osamu Sakurada Department of Chemistry and Biomolecular Science Faculty of Engineering Gifu University Gifu Japan Dai-Dan Co. Ltd. Saitama Japan Daiwa Techno Co. Ltd. Gifu Japan

It was reported that hemispheric corrosion occurred in copper tubes in an acetic acid environment. When hemispheric corrosion occurred, corrosion could easily progress if water then flowed into the copper pipe, and countermeasures were needed. Therefore, we studied the copper corrosion caused by acetic acid. The present work investigated the relationship between the corrosion form of copper and acetic acid concentration using phosphorous-deoxidized copper, and reported that hemispherical corrosion was observed at acetic acid concentrations of 0.01 to 1 vol.% (0.002 to 0.2 mol·L-1) in the immersion test. In this study, the effects of acetic acid and phosphate on copper corrosion were examined using oxygen-free copper in immersion tests. The results suggested that different concentrations of phosphate in acetic acid solutions and the presence or absence of acetic acid and phosphate affected the corrosion of copper, resulting in different corrosion forms and corrosion progress.

关键词： Acetic Acid Phosphate Oxygen-Free Copper Hemispherical Corrosion Ant-Nest Corrosion

Multiple subcellular localizations and functions of protein kinase Cδ in liver cancer

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World Journal of Gastroenterology 2022年第2期28卷 188-198页

作者： Kohji yamada Kiyotsugu Yoshida Department of Biochemistry The Jikei University School of MedicineTokyo 105-8461Japan

Protein kinase Cδ(PKCδ)is a member of the PKC family,and its implications have been reported in various biological and cancerous processes,including cell proliferation,cell death,tumor suppression,and tumor *** liver cancer cells,accumulating reports show the bi-functional regulation of PKCδin cell death and ***δfunction is defined by various factors,such as phosphorylation,catalytic domain cleavage,and subcellular ***δhas multiple intracellular distribution patterns,ranging from the cytosol to the *** recently found a unique extracellular localization of PKCδin liver cancer and its growth factor-like function in liver cancer *** this review,we first discuss the structural features of PKCδand then focus on the functional diversity of PKCδbased on its subcellular localization,such as the nucleus,cell surface,and extracellular *** findings improve our knowledge of PKCδinvolvement in the progression of liver cancer.

关键词： Protein kinase Cδ Liver cancer Subcellular localization Tumor suppression Tumor progression

A novel approach in preventing vascular leakage and angiogenesis in wet age-related macular degeneration

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Neural Regeneration Research 2022年第8期17卷 1751-1752页

作者： Kaori H.yamada Department of Pharmacology and Regenerative Medicine Department of Ophthalmology and Visual SciencesUniversity of Illinois College of MedicineChicagoILUSA

Vascular leakage and angiogenesis in diseases:The vascular system carries blood throughout the body to supply oxygen and nutrients to tissues and remove waste from *** of the vascular system worsens many *** this perspective,vascular function in blinding eye diseases,current therapies,and our developing approach will be *** blood vessels are composed of the monolayer of the endothelial cells,and the outer layer made by pericytes and smooth muscle cells provide structural support and shape to the *** monolayers function as a *** barrier function of endothelial monolayers controls plasma protein uptake and the infiltration of immune cells by regulating adherence of cell-cell *** leakage causes unwanted plasma leak,accumulation of immune cells,and tissue inflammation.

关键词： degeneration approach remove

Analysis of the Relationship between Eating and Swallowing Function and Lifestyle of the Elderly Living in the Community-A Secondary Publication

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Journal of Clinical and Nursing Research 2024年第2期8卷 56-69页

作者： Naito Tomoyoshi yamada Masami Nakamura Mi Eiko Ojima Toshiyuki Hamamatsu Medical University Shizuoka 431-3125HamamatsuJapan Department of Nursing Faculty of Medical SciencesTeikyo University of Science and TechnologyTokyo 120-0045Japan Hamamatsu Medical University Department of Health and Social MedicineShizuoka 431-3125HamamatsuJapan

Objectives:The relationship between eating and swallowing function,and lifestyle among community-dwelling elderly people has not been extensively *** study aimed to analyze the characteristics of eating and swallowing function and their association with the lifestyle among the ***:A self-administered questionnaire survey was conducted on 419 elderly people who participated in the oral function improvement project operated by the Community Comprehensive Support Center.A total of 288 valid responses(58 males,230 females,average age 73.6 years)were *** survey items included basic demographics,health status,lifestyle,and eating and swallowing *** chi-square(χ2)test was used to compare for a difference in the risk of ***:72 patients(25.0%)were judged to be at risk for dysphagia,and 216(75.0%)were judged to be not at risk for dysphagia using the revised dysphagia risk assessment *** mean score for oral preparatory dysphagia was the highest,while the mean score for pharyngeal dysphagia was the *** group at risk of dysphagia had significant difficulty in chewing and had bad sleep quality as compared to the group that was not at ***:Concerning the risk of dysphagia,there is a need to maintain and improve masticatory *** addition,improving the swallowing function of the elderly may prevent insomnia and improve sleep quality.

关键词： Elderly living in the community Eating and swallowing function Lifestyle