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Usefulness of Y-shaped sheaths in CT angiography for examination of liver tumors

World Journal of Gastroenterology 2010年第37期16卷 4704-4708页

作者： Toru Ishikawa Kazuo Higuchi tomoyuki kubota Kei-ichi Seki Terasu Honma Toshiaki Yoshida Takeo Nemoto Keiko Takeda Tomoteru Kamimura Department of Gastroenterology and Hepatology Saiseikai Niigata Second Hospital Department of Radiology Saiseikai Niigata Second Hospital

AIM: To conduct a single-stage, combined computed tomography (CT) arterial portography (CTAP) and CT arteriography (CTA) imaging operation, we used Y-shaped sheaths with 2 valves, which allowed the insertion of 2 catheters simultaneously. METHODS: Of 1254 patients who underwent abdominal angiography for transarterial embolization and/or intraarterial chemotherapy in our department from May 2002 to November 2009, 664 patients in whom Y-shaped sheaths with 2 valves were used underwent CT angiography using a combination of CTA and CTAP. The Seldinger method was used to insert a 10 cm Y-shaped short sheath with 2 valves into the femoral artery. Under radiographic guidance, a 3.2 French (Fr) catheter was placed in the celiac artery or proper hepatic artery, and a second 3.2 Fr catheter was then placed distal to the inferior pancreaticoduodenal artery of the superior mesenteric artery. CTAP was then performed followed by CTA 10 min later. Photographs were taken during the early and late phases of the ***: Insertion of 3.2 Fr catheters was not possible in 6 of 664 (0.9%) patients with strong curvature of the femoral artery and 4 of 664 (0.6%) patients with strong curvature of the abdominal aorta. In addition, performing CTAP and CTA as a single-stage combined intervention was not possible in 14 of 664 (2.1%) patients whose right hepatic artery originated from the superior mesenteric artery and in 8 of 664 (1.2%) patients whose left hepatic artery branched from the left gastric artery. There were no sheath-related complications such as those related to arterial dissection or hemostasis. CONCLUSION: Although transfers to and from the CT room were necessary for anatomically variant patients, CT angiography using the Y-shaped sheath for combined CTAP and CTA was considered useful.

关键词： Computed tomography angiography Interventional radiology Liver tumors

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Shear wave velocity is a useful marker for managing nonalcoholic steatohepatitis

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World Journal of Gastroenterology 2010年第23期16卷 2918-2925页

作者： Akihiko Osaki tomoyuki kubota Takeshi Suda Masato Igarashi Keisuke Nagasaki Atsunori Tsuchiya Masahiko Yano Yasushi Tamura Masaaki Takamura Hirokazu Kawai Satoshi Yamagiwa Toru Kikuchi Minoru Nomoto Yutaka Aoyagi Department of Gastroenterology and Hepatology Graduate School of Medical and Dental SciencesNiigata University Department of Homeostatic Regulation and Development Graduate School of Medical and Dental SciencesNiigata University Department of Laboratory Medicine Niigata University Medical and Dental Hospital

AIM:To investigate whether a noninvasive measurement of tissue strain has a potential usefulness for management of nonalcoholic steatohepatitis(NASH).METHODS:In total 26 patients,23 NASHs and 3 normal controls were enrolled in this *** was staged based on Brunt *** a region of interest(ROI),a shear wave was evoked by implementing an acoustic radiation force impulse(ARFI),and the propagation velocity was quantif ***:Shear wave velocity(SWV) could be reproducibly quantified at all ROIs in all subjects except for 4 NASH cases,in which a reliable SWV value was not calculated at several *** average SWV of 1.34 ± 0.26 m/s in fibrous stage 0-1 was significantly slower than 2.20 ± 0.74 m/s and 2.90 ± 1.01 m/s in stages 3 and 4,respectively,but was not significantly different from 1.79 ± 0.78 m/s in stage *** a cutoff value was set at 1.47 m/s,receiver operating characteristic analysis showed significance to dissociate stages 3 and 4 from stage 0-1(P=0.0092) with sensitivity,specificity and area under curve of 100%,75% and 94.2%,*** addition,the correlation between SWV and hyaluronic acid was significant(P<0.0001),while a tendency toward negative correlation was observed with serum albumin(P=0.053).CONCLUSION:The clinical implementation of ARFI provides noninvasive repeated evaluations of liver stiffness at an arbitrary position,which has the potential to shed new light on NASH management.

关键词： Nonalcoholic steatohepatitis Ultrasound Liver stiffness measurement Shear wave velocity Acoustic radiation force impulse

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Radiofrequency ablation during continuous saline infusion can extend ablation margins

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World Journal of Gastroenterology 2013年第8期19卷 1278-1282页

作者： Toru Ishikawa tomoyuki kubota Ryoko Horigome Naruhiro Kimura Hiroki Honda Akito Iwanaga Keiichi Seki Terasu Honma Toshiaki Yoshida Department of Gastroenterology and Hepatology Saiseikai Niigata Daini HospitalNiigata 950-1104Japan

AIM:To determine whether fluid injection during radiofrequency ablation(RFA) can increase the coagulation ***:Bovine liver(1-2 kg) was placed on an aluminum tray with a return electrode affixed to the base,and the liver was punctured by an expandable *** RFA,5% glucose;50% glucose;or saline fluid was infused continuously at a rate of 1.0 mL/min through the infusion line connected to the infusion *** area and volume of the thermocoagulated region of bovine liver were determined after *** Joule heat generated was determined from the temporal change in output during the RFA ***:No liquid infusion was 17.3 ± 1.6 mL,similar to the volume of a 3-cm diameter sphere(14.1 mL).Mean thermocoagulated volume was significantly larger with continuous infusion of saline(29.3 ± 3.3 mL) than with 5% glucose(21.4 ± 2.2 mL),50%glucose(16.5 ± 0.9 mL) or no liquid infusion(17.3 ± 1.6 mL).The ablated volume for RFA with saline was approximately 1.7-times greater than for RFA with no liquid infusion,representing a significant difference between these two *** Joule heat generated during RFA was highest with saline,and lowest with 50% ***:RFA with continuous saline infusion achieves a large ablation zone,and may help inhibit local recurrence by obtaining sufficient ablation *** during continuous saline infusion can extend ablation margins,and may be prevent local recurrence.

关键词： Radiofrequency ablation Ex vivo bovine liver Large ablation zone Saline Glucose Joule heat

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Anti-EGFR antibody monotherapy for colorectal cancer with severe hyperbilirubinemia: A case report

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World Journal of Gastrointestinal Oncology 2024年第2期16卷 557-562页

作者： Toshiaki Tsurui Yuya Hirasawa Yutaro kubota Kiyoshi Yoshimura Takuya Tsunoda Department of Medical Oncology Showa UniversityTokyo 1428555Japan Department of Clinical Immuno Oncology Clinical Research Institute of Clinical Pharmacology and TherapeuticsShowa UniversityTokyo 1578577Japan

BACKGROUND Hyperbilirubinemia with hepatic metastases is a common complication and a poor prognostic factor for colorectal cancer(CRC).Effective drainage is often im-possible before initiating systemic chemotherapy,owing to the liver’s diffuse metastatic ***,an appropriate chemotherapeutic approach for the treatment of hyperbilirubinemia is currently *** SUMMARY The patient,a man in his 50s,presented with progressive fatigue and severe *** tomography revealed multiple hepatic masses with thick-ened walls in the sigmoid colon,which was pathologically confirmed as a well-differentiated *** RAS or BRAF mutations were *** Eastern Cooperative Oncology Group(ECOG)performance status(PS)score was *** drainage was impossible due to the absence of a dilated bile duct,and panitumumab monotherapy was promptly ***,the bilirubin level decreased and then normalized,and the patient’s PS improved to zero ECOG score after four cycles of therapy without significant adverse *** Anti-EGFR antibody monotherapy is a safe and effective treatment for RAS wild-type CRC and hepatic metastases with severe hyperbilirubinemia.

关键词： Colorectal neoplasms Panitumumab Chemotherapy Hyperbilirubinemia Jaundice Case report

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MicroRNA-329-3p inhibits the Wnt/β-catenin pathway and proliferation of osteosarcoma cells by targeting transcription factor 7-like 1

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Oncology Research 2024年第3期32卷 463-476页

作者： Hur SUN MASANORI KAWANO TATSUYA IWASAKI ICHRO ITONAGA YUTA kubota HROSHI TSUMURA KAZUHRO TANAKA Department of Orthopaedic Surgery Faculty of MedicineOita UniversityOita879-5503Japan

An important factor in the emergence and progre sion of osteosarcoma(OS)is the dysregulated expression of microRNAs(miRNAs).Transcription factor 7-like 1(TCF7LI),a member of the T cell factor/lymphoid enhancer factor(TCF/LEF)transcription factor family,interacts with the Wnt signaling pathway regulator β-catenin and acts as a DNA-specific binding *** study sought to elucidate the impact of the interaction between miR 3293p and TCF7L1 *** growth and apoptosis of OS and analyze the regulatory expression relationship between miRNA and mRNA in osteosarcoma cells using a variety of ***329-3p was significantly downregulated,while TCF7L1 was considerably up-regulated in all examined OS cell ***,a clinical comparison study was performed using the TCGA ***,the regulatory relationship between miR-329-3p and TCF7L1 on the proliferation and apoptosis of OS cells was verified through in vitro and in vivo *** miR 329-3p was transfected into the OS cell line,the expression of TCF7L1 decreased,the proliferation of OS cells was inhibited,the cytoskeleton disintegrated,and the nucleus condensed to fom apoptotic *** expression of proteins that indicate apoptosis increased *** cell cycle was arrested in the G0/G1 phase,and the G1/S transition was *** introduction of miR 3293p also inhibited downstream Cyclin D1 of the Wnt *** experiments indicated that the overexpression of miR-329-3p signi ficanly inhibited the growth of OS xenografts in nude mice,and the expression of TCF7L1 and C-Myc in tumor tssues *** 329-3p was significantly reduced in OS cells and played a suppressive role in tumorigenesis and proliferation by targeting TCF7L1 both in vitro and in *** cell cycle arrest and pathway inhibition were observed upon the regulation of TCF7LI by miR *** these results,it can be inferred that miR.3293p exerts anticancer efects in osteosarcom

关键词： MiR-329-3p TCF7L1 Wnt/β-catenin pathway Osteosarcoma Proliferation

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Low temperature-mediated repression and far-red light-mediated induction determine morning FLOWERING LOCUS T expression levels

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Journal of Integrative Plant Biology 2024年第1期66卷 103-120页

作者： Hayeon Kim Hye Won Kang Dae Yeon Hwang Nayoung Lee Akane kubota Takato Imaizumi Young Hun Song Department of Agricultural Biotechnology Seoul National UniversitySeoul 08826Korea Department of Biology Ajou UniversitySuwon 16499Korea Plant Genomics and Breeding Institute Seoul National UniversitySeoul 08826Korea Graduate School of Science and Technology Nara Institute of Science and TechnologyIkomaNara 630‐0192Japan Department of Biology University of WashingtonSeattleWA 98195USA Institute of Agricultural Life Sciences Seoul National UniversitySeoul 08826Korea

In order to flower in the appropriate season,plants monitor light and temperature changes and alter downstream pathways that regulate florigen genes such as Arabidopsis(Arabidopsis thaliana)FLOWERING LOCUS T(FT).In Arabidopsis,FT messenger RNA levels peak in the morning and evening under natural long-day conditions(LDs).However,the regulatory mechanisms governing morning FT induction remain poorly *** morning FT peak is absent in typical laboratory LDs characterized by high red:far-red light(R:FR)ratios and constant ***,we demonstrate that ZEITLUPE(ZTL)interacts with the FT repressors TARGET OF EATs(TOEs),thereby repressing morning FT expression in natural *** LDs with simulated sunlight(R:FR=1.0)and daily temperature cycles,which are natural LD-mimicking environmental conditions,FT transcript levels in the ztl mutant were high specifically in the morning,a pattern that was mirrored in the toe1 toe2 double *** night-to-morning temperatures increased the inhibitory effect of ZTL on morning FT expression by increasing ZTL protein levels early in the ***-red light counteracted ZTL activity by decreasing its abundance(possibly via phytochrome A(phyA))while increasing GIGANTEA(GI)levels and negatively affecting the formation of the ZTL-GI complex in the ***,the phyA-mediated high-irradiance response and GI play pivotal roles in morning FT *** findings suggest that the delicate balance between low temperature-mediated ZTL activity and the far-red light-mediated functions of phyA and GI offers plants flexibility in fine-tuning their flowering time by controlling FT expression in the morning.

关键词： far-red light FLOWERING LOCUS T flowering time GIGANTEA low night-to-morning temperature natural long days phytochrome A red to far-red ratio ZEITLUPE

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Correction: MicroRNA-329-3p inhibits the Wnt/β-catenin pathway and proliferation of osteosarcoma cells by targeting transcription factor 7-like 1

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Oncology Research 2024年第8期32卷 1369-1370页

作者： HUI SUN MASANORI KAWANO TATSUYA IWASAKI ICHIRO ITONAGA YUTA kubota HIROSHI TSUMURA KAZUHIRO TANAKA Department of Orthopaedic Surgery Faculty of MedicineOita UniversityOita879-5503Japan

In the article‘MicroRNA-329-3p inhibits the Wnt/β-catenin pathway and proliferation of osteosarcoma cells by targeting transcription factor 7-like 1’(Oncology Research,2024,Vol.32,No.3,pp.463−***:10.32604/or.2023.044085),there was an error in the compilation of *** have revised Fig.8D to correct this error.A corrected version of Fig.8 is *** correction does not change any results or conclusions of the *** apologize for any inconvenience caused.

关键词： osteosarcoma correction revised

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Challenges of Bioethics Education in Pediatric Basic Nursing Education: A Faculty Perspective

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Health 2024年第2期16卷 105-117页

作者： Junko Nemoto Chikage kubota Yukiko Yoshikawa Faculty of Nursing Hyogo University Kakogawa Japan Department of Emergency Medical Science Suzuka University of Medical Science Suzuka Japan

In the field of pediatric nursing, in the perinatal period, numerous ethical issues arise alongside the advancement of medical technology. However, sufficient education on bioethics is not provided in the pediatric nursing domain of basic nursing education. The purpose of this research is to examine the current status of bioethics education in the pediatric nursing domain of basic nursing education and explore the challenges perceived by the pediatric nursing faculty regarding bioethics education. The research method was a questionnaire survey on 100 randomly selected pediatric nursing faculty members from nursing universities across Japan. The results revealed that although bioethics issues were considered important, the emphasis remained primarily on addressing bioethics as part of nursing that respects children’s rights. Furthermore, respondents expressed difficulties regarding teaching methods and content related to bioethics.

关键词： Basic Nursing Education Bioethics Education Pediatric Nursing

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Factors Influence Hanoians’ Choice of Non-Motorized Transport Mode to Access Bus Stations

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Journal of Transportation Technologies 2024年第3期14卷 372-389页

作者： Ngo Trung Phuong Masahiko Kikuchi Aya Kojima Hisashi kubota Graduate School of Science and Engineering Saitama University Saitama Japan Department of Engineering Affairs City Bureau Ministry of Land Infrastructure Transportation and Tourism Tokyo Japan

Hanoi’s rapid urbanization has led to a surge in private vehicle ownership, particularly motorcycles, amidst inadequate public transportation infrastructure. Despite government efforts, many still prefer motorized transport, citing mobility and safety concerns, exacerbated by insufficient pedestrian infrastructure. This study examines the motivations behind this reliance on motorized vehicles, particularly motorcycles, in Hanoi. Findings reveal safety and convenience as primary factors driving motorized transport use, especially for accessing bus stations. Economic incentives could promote non-motorized travel and public transport adoption. Policy implications highlight the importance of addressing economic factors and improving access infrastructure to manage motorized vehicle reliance and foster sustainable urban mobility in Hanoi.

关键词： Access Mode Choice Non-Motorized Vehicles Motorized Vehicles Bus User Urban Transport Behavior

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Pneumoparotid with imaging findings:A case report and review of literature

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World Journal of Clinical Cases 2024年第34期12卷 6705-6714页

作者： Wakako kubota Makiko Kyan-Onodera Yasuomi Fujimoto Akihiro Sakuma Ryuji Katada Chihiro Sugiura Department of Radiology Sapporo Tokushukai HospitalSapporo 0040041HokkaidoJapan Department of Dentistry and Oral Surgery Sapporo Tokushukai HospitalSapporo 0040041HokkaidoJapan

BACKGROUND Pneumoparotid is a rare disease associated with retrograde airflow into the ductal *** is no established treatment for this disease,which has no known *** puffing and playing wind instruments are known to be the causes of this *** SUMMARY We managed a case,in which pneumoparotid suddenly recurred 4 months after surgery for purulent *** patient did not report any obvious etiological factors,such as mouth puffing or playing a wind *** reviewed 128 articles(from 1941 to 2023)that reported on a total of 166 patients with pneumoparotid,including the patient from the present case report,with imaging *** is the first reported case of pneumoparotid following surgery for purulent *** etiology in our case was classified as *** Imaging findings could be sufficient for accurate pneumoparotid diagnoses and the exclusion of complications;computed tomography could be useful.

关键词： Computed tomography Imaging findings Parotid gland Pneumoparotid Pneumoparotitis Case report

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