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Efficacy and safety of dual therapy with daclatasvir and asunaprevir in elderly patients

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World Journal of Hepatology 2017年第11期9卷 544-550页

作者： Kazuo Tarao Katsuaki Tanaka Akito Nozaki Akira Sato toshiya ishii Hirokazu Komatsu Takaaki Ikeda Tatsuji Komatsu Shozo Matsushima Kenji Oshige Tarao’s Gastroenterological Clinic Gastroenterological Center Medical Center Yokohama City University Division of Gastroenterology Department of Internal Medicine St. Marianna University Yokohama City Seibu Hospital Department of Gastroenterology Yokohama Municipal Citizen’s Hospital Department of Gastroenterology Yokosuka General Hospital Uwamachi Department of Clinical Research National Hospital Organization Yokohama Medical Center Yokohama National University Center for Health Service Sciences

AIM To survey the efficacy and safety of dual therapy with daclatasvir and asunaprevir in the elderly hepatitis C virus(HCV) patients *** Interferon-ineligible/intolerant patients and non-responders to previous pegylated-interferon/ribavirin therapy with chronic HCV genotype 1b infection were enrolled. Child B, C cirrhotic patients were *** received oral direct acting antiviral treatment consisting of 60 mg daclatasvir once daily plus 200 mg asunaprevir twice daily for 24 wk. We divided the patients into two groups of 56 elderly patients(≥ 75 years-old) and 141 non-elderly patients(< 75 years old) and compared the efficacy and safety. RESULTS Ninety-one point one percent of elderly patients and 90.1% of non-elderly patients achieved sustained virological response at 24 wk(SVR24). In the former, 1.8% experienced viral breakthrough, as compared with 3.5% in the latter(not significant). Adverse events occurred in 55.4% of the former and 56.0% of the latter. In the former, 7 cases(12.5%) were discontinued due to adverse events, and in the latter 9 cases were discontinued(6.4%, not significant). CONCLUSION Dual therapy with daclatasvir and asunaprevir achieved the same high rates of SVR24 in HCV elderly patients without more adverse events than in the non-elderly patients.

关键词： Asunaprevir 长期的肝炎 Daclatasvir 双口头的治疗老病人丙肝病毒感染丙肝病毒肝肝硬化

Obstructive jaundice caused by secondary pancreatic tumor from malignant solitary fibrous tumor of pleura:A case report

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World Journal of Gastroenterology 2006年第30期12卷 4922-4926页

作者： Norie Yamada Chiaki Okuse Masahito Nomoto Mayu Orita Yoshiki Katakura toshiya ishii Takuo Shinmyo Hiroaki Osada Ichiro Maeda Hiroshi Yotsuyanagi Michihiro Suzuki Fumio Itoh Division of Gastroenterology and Hepatology Department of Internal Medicine St. Marianna University School of Medicine 2-16-1 Sugao Miyamae-ku Kawasaki 216-8511 Japan Department of Chest Surgery St. Marianna University School of Medicine 2-16-1 Sugao Miyamae-ku Kawasaki 216-8511 Japan Department of Diagnostic Pathology St. Marianna University School of Medicine 2-16-1 Sugao Miyamae-ku Kawasaki 216-8511 Japan Division of Infectious Diseases Department of Internal Medicine University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-0033 Japan

对胸膜的恶意的独居的含纤维的肿瘤的手术后的双边的多重肺转移的全身的化疗上的一个 77 岁的人受不了瘙痒和黄疸。血检查显示出肝胆管酶的提高的层次。腹的计算断层摄影术在胰腺的头与外部改进显示出一个肿瘤，与 intra 肝、额外肝的... 详细信息

对胸膜的恶意的独居的含纤维的肿瘤的手术后的双边的多重肺转移的全身的化疗上的一个 77 岁的人受不了瘙痒和黄疸。血检查显示出肝胆管酶的提高的层次。腹的计算断层摄影术在胰腺的头与外部改进显示出一个肿瘤，与 intra 肝、额外肝的胆汁管的膨胀伴随了。他作为把妨碍的黄疸被一个胰腺的头肿瘤引起了被诊断。胰腺的头肿瘤大概作为胸膜的恶意的独居的含纤维的肿瘤的转移被诊断，因为腹的 CT 上的胰腺的头肿瘤上的调查结果类似于胸膜的恶意的独居的含纤维的肿瘤的主要的肺损害上的那些。胰腺的肿瘤在胆总管的劣等的部分在金属性的斯滕特氏印模膏的培植以后很快成长了。病人死于肺的癌性淋巴管炎。尸体揭示了从胰腺的头传播了到肝的核的一个肿瘤。用显微镜，和骨胶原免职展出原子 atypicality 或分割的塑造锭子的房间被观察。Immunohistochemically 胰腺的头肿瘤房间为 alpha 光滑的肌肉肌动朊(alpha-SMA ) 或 CD117 染色是否定的，但是为 vimentin， CD34 和 CD99 积极。这些调查结果与胸膜的恶意的独居的含纤维的肿瘤上的那些一致。我们报导一个第二等的胰腺的肿瘤从胸膜的恶意的独居的含纤维的肿瘤引起的妨碍的黄疸的第一个案例。

关键词：阻塞性黄疸胰腺肿瘤胸膜癌病例报告

No-touch isolation technique in emergency pancreaticoduodenectomy for neoplastic hemorrhage: Two case reports and review of literature

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World Journal of Gastrointestinal Surgery 2024年第6期16卷 1910-1917页

作者： Akihiro Cho Satoshi Katagiri Masao Ota Shunsuke Onizawa Ryota Higuchi toshiya Sugishita Yukiko Niwa Takeshi Ishita Toshihiko Mouri Akita Kato Moe Iwata Division of Gastroenterological Surgery Tokyo Women’s Medical UniversityYachiyo Medical CenterChiba 276-8524Japan

BACKGROUND Emergency pancreaticoduodenectomy(EPD)is a rare event for complex periam-pullary *** intraoperative blood loss is correlated with poor post-operative *** SUMMARY Two patients underwent EPD using a no-touch isolation technique,in which all arteries supplying the pancreatic head region were ligated and divided before manipulation of the pancreatic head and *** operative times were 220 and 239 min,and the blood loss was 70 and 270 g,*** patients were discharged on the 14^(th) and 10^(th) postoperative day,***-two patients underwent EPD for the treatment of neoplastic *** mean operative time was 361.6 min,and the mean blood loss was 747.3 *** comp-lication rate was 37.5%.The in-hospital mortality rate was 9.38%.CONCLUSION The no-touch isolation technique is feasible,safe,and effective for reducing intraoperative blood loss in EPD.

关键词： No-touch isolation technique Pancreaticoduodenectomy Emergency pancre-aticoduodenectomy Neoplastic bleeding Superior mesenteric artery first approach Case report

Electron scattering by Friedel oscillations in carbon nanotubes

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Nano Research 2022年第2期15卷 889-897页

作者： Takumi Inaba Takahiro Morimoto Satoshi Yamazaki toshiya Okazaki CNT-Application Research Center National Institute of Advanced Industrial Science and TechnologyTsukuba 305-8565Japan Research Association of High-Throughput Design and Development for Advanced Functional Materials Tsukuba 305-8565Japan

Multi-walled carbon nanotube networks were confirmed to exhibit a linear decrease in resistivity with increasing temperature from 100 to above 400 *** linearity was explained using a defect scattering model that involved Friedel oscillations(that is,electron-electron interactions).The applicability of this model,which was originally proposed for graphene,to carbon nanotubes was assessed based on a comparison of various experimental *** in the slopes of the resistivity-temperature plots following the introduction of defects,as well as an effect of charge concentration on the slope were key predictions of this *** results obtained from few-walled carbon nanotube networks are also *** the literature,linear resistivity-temperature plots were obtained from other graphene derivatives,indicating that the linearity originates from the hexagonal symmetry of these *** present work also indicated a relationship between the appearance of linearity and negative magnetoresistance above 100 *** on a mechanism incorporating scattering in association with Friedel oscillations and conventional electron conduction models,the universality of resistivity-temperature plots obtained from carbon nanotube networks is introduced.

关键词： carbon nanotube electron transport electron-electron interaction Friedel oscillations magnetoresistance

Grazing and heat stress protection of native grass by a sand-fixing shrub in the arid lands of northern China

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Journal of Arid Land 2022年第8期14卷 867-876页

作者： Keiichi KIMURA Akito KONO Susumu YAMADA Tomoyo F KOYANAGI toshiya OKURO Department of Ecosystem Studies Graduate School of Agricultural and Life SciencesThe University of TokyoTokyo 113-8657Japan Graduate School of Environmental Studies Nagoya UniversityAichi 464-8601Japan Faculty of Agriculture Tokyo University of AgricultureKanagawa 243-0034Japan Field Studies Institute for Environmental Education Tokyo Gakugei UniversityTokyo 184-0015Japan

Shrub species are used in restoration projects on dryland for their facilitation effects,which include environmental improvements and protection from herbivore *** effects on forage grasses are potentially important in improving grazing capacity on ***,the morphology-dependent performance of benefactor plants in facilitating forage species growth and supplementation under moderate grazing intensity remains ***,our main purpose was to measure facilitation performance in terms of the survival of a native forage grass,Agropyron cristatum(L.)Gaertn.(Gramineae).,in accordance with the growth conditions of a sand-fixing benefactor shrub,Caragana microphylla Lam.,in the Hulun Buir Grassland,northern *** study sites with patches of *** and *** were established at the foot of fixed sand *** each site,five quadrats were set in places where *** coverage was 100%and *** grew among the shrubs(shrub quadrats),and another five were set where *** grew alone without ***(grass quadrats).We measured the morphological traits of *** and *** in all 60 quadrats,along with the soil water content and soil *** data were compared between the shrub and grass quadrats by generalized linear mixed-effect models to assess the shrub's facilitation *** also used such models to elucidate the relationship between the average height of *** and the morphological traits of *** in the shrub *** maximum height,average grazed height,and the number of seed heads of *** were greater in the shrub quadrats than in the grass *** soil surface temperature was lower in the shrub *** maximum height and seed head number of *** were positively associated with the average height of *** results suggest that the grazing impact and heat stress were smaller in shrub quadrats than in grass quadrats,and that

关键词： Caragana microphylla dryland ecosystem restoration facilitation grazing impact heat stress

Kinematically Aligned Total Knee Arthroplasty for Valgus Osteoarthritis of More than 10°―Is It Still a “Challenging Surgery”?

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Open Journal of Orthopedics 2023年第9期13卷 355-369页

作者： Yoshinori Soda toshiya Kano Mitsuhiro Nakamura Midorii Orthopaedics Joint Reconstruction & Arthroscopy Center Hiroshima Japan Department of Orthopaedic Surgery Hiroshima City Hiroshima Citizens Hospital Hiroshima Japan Department of Orthopaedic Surgery Hiroshima Prefectural Hospital Hiroshima Japan

Mechanically aligned total knee arthroplasty (TKA) for valgus knee is considered a “challenging surgery.” Recently, the kinematic alignment (KA) method has gained attention. This study aimed to present objective clinical data, such as intraoperative balance assessment and radiographic evaluation of postoperative lower extremity alignment after TKA using the KA method for valgus deformity. Twenty-one TKA knees (mean age, 74 years;2 males, 19 females) with KA for severe valgus deformity (hip-knee-ankle-angle ≥ 10°) performed at our department in the past 3 years were included in this study. Intraoperative gap and balance measurements and postoperative radiographic evaluation were performed. A total arc of range of motion was achieved up to 98% of preoperative values at 3 weeks postoperatively. Intraoperative gap and balance were stable throughout the entire range of motion. In addition, there were no statistically significant differences in either balance or gap values at each flexion angle. KA TKA is a “simple surgery” rather than a “challenging surgery” because additional soft tissue procedures are not required, operative time is short, intraoperative and postoperative balance is very stable, and a good alignment is achieved. This procedure may relieve surgeons of the stress of TKA for valgus deformities.

关键词： Total Knee Arthroplasty Kinematic Alignment Valgus Deformity Calipered Technique

Surgical treatment of hepatocellular carcinoma with severe intratumoral arterioportal shunt

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World Journal of Gastroenterology 2010年第25期16卷 3211-3214页

作者： Hiromichi ishii Teruhisa Sonoyama Shingo Nakashima Hiroyuki Nagata Atsushi Shiozaki Yoshiaki Kuriu Hisashi Ikoma Masayoshi Nakanishi Daisuke Ichikawa Hitoshi Fujiwara Kazuma Okamoto toshiya Ochiai Yukihito Kokuba Chohei Sakakura Eigo Otsuji Division of Digestive Surgery Department of Surgery Kyoto Prefectural University of Medicine Kyoto 602-8566 Japan

We report a case of hepatocellular carcinoma (HCC) that caused a severe arterioportal shunt (APS). A 49-year-old man was admitted to hospital due to esophagogastric variceal hemorrhage and HCC, and underwent endoscopic variceal ligation (EVL) and endoscopic injection sclerotherapy (EIS). He was then referred to our hospital. Abdominal computed tomography revealed a lowdensity lesion in the posterior segment of the liver and an intratumoral APS, which caused portal hypertension. Although the patient underwent EVL, EIS, Hassab’s operation, and transcatheter arterial embolization for APS, he vomited blood due to rupture of esophagogastric varices. Right hepatectomy was performed for the treatment of HCC and APS, although the indocyanine green retention value at 15 min after intravenous injection was poor (30%). The patient’s postoperative course was uneventful. Eventually, APS disappeared and the esophagogastric varices improved.

关键词： Arterioportal shunt Hepatocellular carcinoma Esophagogastric varices

Efects of amine, amine salt and amide on the behaviour of carbon dioxide absorption into calcium hydroxide suspension to precipitate calcium carbonate

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Journal of Environmental Sciences 2013年第12期25卷 2507-2515页

作者： Wittaya Chuajiw Mitsuru Nakano Kazumasa Takatori toshiya Kojima Yoshiki Wakimoto Yoshiaki Fukushima Toyota Technological Institute 2-12-1 HisakataTempaku-kuTenpaku Moon Chome Toyota Central R&D Labs. Inc. Yokomichi Aisin Seiki Co. Ltd.2-1Asahi-machi

The amount of carbon dioxide （CO2） absorption and calcium ion （Ca^2＋） concentration besides the pH of aqueous solution were observed during the COz absorption to precipitate calcium carbonate （CaCO3） from calcium hydroxide （Ca（OH）2）. A reaction rate-limiting effect of an amount of CO2 absorption without any organic additives in the early stage of the precipitation was observed, which was attributed to an interruption effect of bicarbonate ion （HCO3） on the precipitation of CaCO3. The improvement for the reaction rate was achieved not only by amine additives but also by neutral additives such as ε-caprolactam or amine salt. When the hexamethylene diamine was dissolved in the solution, successive change of crystal forms of CaCO3 aragonite to calcite in aqueous suspensions, confirmed by Ca^2＋ concentration change and X-ray diffraction, was concluded that a local environment around the amine group in aqueous solution and an interaction of the diamine with precipitated CaCO3 particles were important factors for these reactions.

关键词： carbon dioxide absorption calcium carbonate precipitation local functional group interaction

Impact of comorbid renal dysfunction in patients with hepatocellular carcinoma on long-term outcomes after curative resection

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World Journal of Gastrointestinal Surgery 2022年第7期14卷 670-684页

作者： Yuzuru Sakamoto Shingo Shimada toshiya Kamiyama Ko Sugiyama Yoh Asahi Akihisa Nagatsu Tatsuya Orimo Tatsuhiko Kakisaka Hirofumi Kamachi Yoichi M Ito Akinobu Taketomi Department of Gastroenterological Surgery Hokkaido University Graduate School of MedicineSapporo 060-8638HokkaidoJapan Data Science Center Promotion UnitInstitute of Health Science Innovation for Medical CareHokkaido University HospitalSapporo 060-8648HokkaidoJapan

BACKGROUND Hepatocellular carcinoma(HCC)is one of the most common malignancies ***,the number of patients with chronic kidney disease(CKD)is on the rise because of the increase in lifestyle-related *** To establish a tailored management strategy for HCC patients,we evaluated the impact of comorbid renal dysfunction(RD),as stratified by using the estimated glomerular filtration rate(EGFR),and assessed the oncologic validity of hepatectomy for HCC patients with *** We enrolled 800 HCC patients who underwent hepatectomy between 1997 and 2015 at our university *** categorized patients into two(RD,EGFR<60 mL/min/1.73 m^(2);non-RD,EGFR≥60 mL/min/1.73 m^(2))and three groups(severe CKD,EGFR<30 mL/min/1.73 m^(2);mild CKD,30≤EGFR<60 mL/min/1.73 m2;control,EGFR≥60 mL/min/1.73 m^(2))according to renal function as defined by the *** survival(OS)and recurrence-free survival(RFS)were compared among these groups with the log-rank test,and we also analyzed survival by using a propensity score matching(PSM)model to exclude the influence of patient *** mean postoperative observation period was 64.7±53.0 *** The RD patients were significantly older and had lower serum total bilirubin,aspartate aminotransferase,and aspartate aminotransferase levels than the non-RD patients(P<0.0001,P<0.001,P<0.05,and P<0.01,respectively).No patient received maintenance hemodialysis after *** the overall postoperative complication rates were similar between the RD and non-RD patients,the proportions of postoperative bleeding and surgical site infection were significantly higher in the RD patients(5.5%vs 1.8%;P<0.05,3.9%vs 1.8%;P<0.05,respectively),and postoperative bleeding was the highest in the severe CKD group(P<0.05).Regardless of the degree of comorbid RD,OS and RFS were comparable,even after PSM between the RD and non-RD groups to exclude the influence of patient characteristics,liver function,and other causes of dea

关键词： Hepatocellular carcinoma Hepatectomy Renal dysfunction Estimated glomerular filtration rate