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A New Pharmacokinetic Model of Propofol for Japanese Patients

Open Journal of Anesthesiology 2019年第9期9卷 179-188页

作者： Masahito Omote shunsuke Tachibana Yasuyuki Tokinaga Michiaki Yamakage Department of Anesthesiology Sapporo Medical University School of Medicine Sapporo Japan

Target-controlled infusion (TCI) of propofol is used for general anesthesia. However, the only pharmacokinetic parameter commercially used for Japanese patients is weight, and pharmacokinetic models are based on European physical attributes. Drug metabolism also differs in races. This study aimed to identify optimal continuous doses of propofol for Japanese patients and to create a simulated pharmacokinetic (PK) model. Thirty Japanese patients were enrolled. Patients received a constant infusion of 9 mg/kg/h of propofol. Arterial blood samples were collected and the time course of plasma propofol concentrations was modeled using the nonlinear mixed effects model (NONMEM) three-compartmental PK model. We validated the model by intravenously injecting 10 patients with a TCI driver system programmed with the NONMEM model. Our model’s performance was evaluated using the median prediction error (MDPE), median absolute prediction error (MDAPE), and Wobble. We analyzed 320 blood samples for model building and 160 samples for validating our new model. The calculated parameters for the three-compartmental PK model were volume [V1, 3.58;V2, 13.0 + 0.49 × (Age—64);and V3, 186] and elimination clearance [CL1, 0.77 + (WT—54) × 0.04 + (HT—158) × 0.03;CL2, 0.89 + 0.12 × (Age—64);and CL3, 0.98 × exp ((Age—64)/10)]. The new model improved MDPE, MDAPE, and Wobble values (11.5% ± 43.8%, 14.3% ± 33.0%, and 25.0% ± 21.3%, respectively). We created a new pharmacokinetic model for Japanese patients, which is more accurate than the three existing models applied to Japanese populations. Electronic document is a “live” template. The various components of your paper [title, text, heads, etc.] are already defined on the style sheet, as illustrated by the portions given in this document.

关键词： Propofol Pharmacokinetics Target-Controlled Infusion Japanese

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Reliability of a new rapid step test for older women and its relationship with fall risk and leg muscle function

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Health 2012年第9期4卷 703-711页

作者： shunsuke Yamaji Shinichi Demura Sohee Shin Masanobu Uchiyama Akita Prefectural University Akita Japan Faculty of Medical Sciences University of Fukui Fukui Japan Graduate School of Natural Science and Technology Kanazawa University Kanazawa Japan School of Medicine Gifu University Gifu Japan

This study aimed to examine trial-to-trial reliability of a new clinical test, rapid reaction step cued on a screen test, and its relationship with fall risk score, independence in activity of daily living score, and various leg muscle function tests. One-hundred fifty seven older women participated in this study. Nine square plates (32 × 32 cm) were lined up with three plates. Participants stood on a center plate and were instructed to step, using one leg, to one of the other eight plates, as quickly as possible, when that plate changed in color from white to red. The mean total time and the mean total error time of rapid reaction step cued on a screen and, fall risk score, activity of daily living score, lower muscle function (isometric muscle strength: toe flexion, plantar flexion, knee extension, hip flexion;balance: one leg standing time with eye open, functional reach test;gait: 10 m walk time with maximal speed). Results: trial-to-trial reliabilities of step parameters were high (intraclass correlation coefficient [ICC] = 0.75 - 0.85). The step parameters correlated significantly with the other parameters except for toe flexion and hip flexion strengths. In conclusion, the present step test was found to evaluate physical function related to prevention of falls in older people.

关键词： Fall Risk Older Person Balance Mobility

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Cooperative Particle Swarm Optimization in Distance-Based Clustered Groups

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Journal of Software Engineering and Applications 2017年第2期10卷 143-158页

作者： Tomohiro Hayashida Ichiro Nishizaki Shinya Sekizaki shunsuke Koto Faculty of Engineering Hiroshima University Hiroshima Japan

TCPSO (Two-swarm Cooperative Particle Swarm Optimization) has been proposed by Sun and Li in 2014. TCPSO divides the swarms into two groups with different migration rules, and it has higher performance for high-dimensional nonlinear optimization problems than traditional PSO and other modified method of PSO. This paper proposes a particle swarm optimization by modifying TCPSO to avoid inappropriate convergence onto local optima. The quite feature of the proposed method is that two kinds of subpopulations constructed based on the scheme of TCPSO are divided into some clusters based on distance measure, k-means clustering method, to maintain both diversity and centralization of search process are maintained. This paper conducts numerical experiments using several types of functions, and the experimental results indicate that the proposed method has higher performance than the TCPSO for large-scale optimization problems.

关键词： Particle Swarm Optimization Different Migration Rules Clustering

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L-ornithine hydrochloride ingestion increased carbohydrate oxidation but not lipid oxidation during submaximal endurance exercise following resistance exercise

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Advances in Bioscience and Biotechnology 2013年第1期4卷 81-88页

作者： Shinichi Demura Takayoshi Yamada shunsuke Yamaji Masanobu Uchiyama Faculty of Medicine Fukui University Fukui Japan General Education Center Fukui National College of Technology Fukui Japan Graduate School of Natural Science & Technology Kanazawa University Kanazawa Japan Research and Education Center for Comprehensive Science Akita Prefectural University Akita Japan

This study aimed to examine the effect of L-ornithine hydrochloride ingestion on lipid oxidation during submaximal endurance exercise following resistance exercise. Ten healthy young male adults with no history of regular resistance exercise (age: 26.0 +/- 4.4) conducted resistance exercise after L-ornithine hydrochloride or placebo ingestion (0.1 g/kg). Subjects exercised for 60 min on an ergometer at 50% VO2peak 120 min after resistance exercise. Plasma ornithine concentrations measured immediately, 120min and 180min after resistance exercise in the L-ornithine hydrochloride ingestion condition were significantly greater than those in the placebo condition. No significant difference was found in serum growth hor mone concentrations between both conditions (F = 4.4, p = 0.065). Serum free fatty acid concentrations were significantly greater immediately after submaximal ergometer bicycle exercise in both conditions than those before ingestion, immediately after resistance exercise and 120min after resistance exercise (F = 43.4, p .001, 300% - 508%), but no significant difference was found between both conditions (F = 3.6, p = 0.090). A similar trend was observed in serum ketone bodies as well. Although total energy production during submaximal ergometer exercise did not significantly differ (t = 0.74, p = 0.238), a significant difference was found in energy production via carbohydrate and lipid oxidation;the former was greater in the Lornithine hydrochloride ingestion condition (t = 1.89, p = 0.046, d = 0.44, 106%), and the latter was greater in the placebo condition (t = 1.89, p = 0.046, d = 0.78%, 145%). From the above, L-ornithine hydrochloride ingestion may not affect lipid metabolism during submaximal endurance exercise following resistance exercise. It may be involved in energy production via carbohydrate oxidation with glucogenic amino acid.

关键词： L-Ornithine Hydrochloride Endurance Exercise Lipid Oxidation

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Reading impairment after neonatal hypoglycemia with parietotemporo-occipital injury without cortical blindness:A case report

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World Journal of Clinical Cases 2023年第16期11卷 3899-3906页

作者： Naoko Kurahashi shunsuke Ogaya Yuki Maki Norie Nonobe Sumire Kumai Yosuke Hosokawa Chikako Ogawa Keitaro Yamada Koichi Maruyama Kiyokuni Miura Miho Nakamura Department of Pediatric Neurology Central HospitalAichi Developmental Disability CenterKasugai 480-0392AichiJapan Department of Pediatrics Nagoya University Graduate School of MedicineNagoya 466-8560AichiJapan Division of Neonatology Center for Maternal-Neonatal Care Nagoya University HospitalNagoya 466-8560AichiJapan Department of Pediatrics Tokyo Metropolitan Fuchu Medical Center for the DisabledFuchu 183-0042TokyoJapan Department of Functioning and Disability Institute for Developmental ResearchAichi Developmental Disability CenterKasugai 480-0392AichiJapan Okazaki Medical Center for Child Development Okazaki 444-0011AichiJapan

BACKGROUND Perinatal brain injury may lead to later neurodevelopmental disorders,whose outcomes may vary due to neuroplasticity in young *** neuroimaging studies have shown that the left parietotemporal area(which includes the left inferior parietal lobe)is associated with phonological awareness and decoding skills,which are essential skills for reading acquisition in ***,the literature on the effect of perinatal cerebral injury on the development of phonological awareness or decoding ability in childhood is *** SUMMARY We report the case of an 8-year-old boy who presented with reading difficulty following a perinatal injury in the parieto-temporal-occipital *** patient was born at term and was treated for hypoglycemia and seizures during the neonatal ***-weighted brain magnetic resonance imaging on postnatal day 4 revealed cortical and subcortical hyperintensities in the parieto-temporo-occipital *** the age of 8 years,physical examination was unremarkable,aside from mild *** occipital lobe injury,the patient had adequate visual acuity,normal eye movement,and no visual field ***-scale intelligence quotient and verbal comprehension index on Wechsler Intelligence Scale for Children-Fourth Edition were 75 and 90,*** assessment revealed adequate recognition of Japanese Hiragana ***,he had significantly slower reading speed in the Hiragana reading test than control *** phonological awareness test revealed significant errors(standard deviation+2.7)in the mora reversal *** Patients with perinatal brain injuries in the parietotemporal area require attention and may benefit from additional reading instructions.

关键词： Brain diseases Hypoglycemia Dyslexia Long-term care Education Case report

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Enhancing clinical proficiency through laparoscopic training using Japanese origami

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Laparoscopic, Endoscopic and Robotic Surgery 2024年第3期7卷 102-106页

作者： shunsuke Furukawa Masatsugu Hiraki Naoya Kimura Ryota Sakurai Ryo Kohata Naohiko Kohya Masashi Sakai Akashi Ikubo Ryuichiro Samejima Department of Surgery Japanese Red Cross Society Karatsu Red Cross HospitalSaga847-8588Japan Department of Surgery Saga University Faculty of MedicineSaga849-8501Japan

Objective This study aimed to investigate the clinical efficacy of laparoscopic training using origami,a traditional Japanese papercraft,using laparoscopic forceps to create origami *** In this retrospective study,4 surgeons were randomly divided into 2 groups:The training group,consisting of surgeons 1 and 2,and the non-training group,consisting of surgeons 3 and *** the course of a one-year study period,the training group regularly underwent laparoscopic surgery training with a dry box,wherein they folded a total of 1000 origami cranes using laparoscopic *** non-training group periodically underwent common laparoscopic surgery training of techniques such as suturing and *** surgeon regularly performed the transabdominal preperitoneal approach for inguinal *** training was conducted concurrently with the *** procedure time(peritoneum detachment,mesh placement,and closure of the peritoneum),total operation time(time from peritoneum detachment to closure of the peritoneum),and surgical outcomes were *** The training group showed greater improvement in the total operation time and more stable performance than the non-training ***,the time taken for peritoneum detachment was significantly shorter in the training *** Laparoscopic training using origami has the potential to enhance laparoscopic surgical skills and improve surgical outcomes.

关键词： Laparoscopic surgery Training Dry box Origami

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OsIDD2, a zinc finger and INDETERMINATE DOMAIN protein, regulates secondary cell wall formation

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Journal of Integrative Plant Biology 2018年第2期60卷 130-143页

作者： Peng Huang Hideki Yoshida Kenji Yano shunsuke Kinoshita Kyosuke Kawai Eriko Koketsu Masako Hattori Sayaka Takehara Ji Huang Ko Hirano Reynante Lacsamana Ordonio Makoto Matsuoka Miyako Ueguchi-Tanaka Bioscience and Biotechnology Center Nagoya University Nagoya 464-8601 Japan State Key Laboratory of Crop Genetics and Germplasm Enhancement Nanjing Agricultural University Nanjing 210095 China Graduate School of Agricultural and Life Sciences The University of Tokyo Tokyo 113-8657 Japan Plant Breeding and Biotechnology Division Philippine Rice Research Institute Maligaya Science City of Munoz 3119 The Philippines

Previously, we found 123 transcription factors（TFs） as candidate regulators of secondary cell wall（SCW）formation in rice by using phylogenetic and co-expression network analyses. Among them, we examined in this work the role of OsIDD_2, a zinc finger and indeterminate domain（IDD） family TF. Its overexpressors showed dwarfism, fragile leaves, and decreased lignin content, which are typical phenotypes of plants defective in SCW formation, whereas its knockout plants showed slightly increased lignin *** RNA-seq and quantitative reverse transcription polymerase chain reaction analyses confirmed that some lignin biosynthetic genes were downregulated in the OsIDD_2-overexpressing plants, and revealed the same case for other genes involved in cellulose synthesis and sucrose metabolism. The transient expression assay using rice protoplasts revealed that OsIDD_2 negatively regulates the transcription of genes involved in lignin biosynthesis, cinnamyl alcohol dehydrogenase 2 and 3（CAD_2 and 3）, and sucrose metabolism, sucrose synthase 5（SUS_5）, whereas an Alpha Screen assay, which can detect the interaction between TFs and their target DNA sequences, directly confirmed the interaction between OsIDD_2 and the target sequences located in the promoter regions of CAD_2 and CAD_3. Based on these observations, we conclude that OsIDD_2 is negatively involved in SCW formation and other biological events by downregulating its target genes.

关键词： IDD Figure OsIDD2 a zinc finger and INDETERMINATE DOMAIN protein SCW

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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

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Who needs further evaluations to diagnose upper urinary tract urothelial cancers among patients with abnormal findings by enhanced CT?

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Asian Journal of Urology 2016年第1期3卷 44-48页

作者： Akio Takayanagi Atsushi Takahashi Fumimasa Fukuta Manabu Okada Masahiro Matsuki shunsuke Sato Teruhisa Uehara Shuichi Kato Yoshio Takagi Department of Urology Hakodate Goryoukaku HospitalHakodateHokkaidoJapan Department of Urology Sapporo Medical University School of MedicineSapporoHokkaidoJapan

Objective:We evaluated who would need further evaluations such as retrograde pyelography(RP)and/or ureteroscopy to diagnose upper urinary tract urothelial cancers(UUTUCs)when abnormal findings for the upper urinary tract(UUT)were detected by enhanced computed tomography(CT).Methods:We retrospectively analyzed 125 patients who underwent enhanced CT for various reasons and had abnormal findings for the *** whose tumors were suspected to be of extraureteral origin were *** patients received RP and/or ureteroscopy to evaluate the ***:The median age of the 125 patients was 70 years and gross hematuria(26.4%)was the most frequently observed ***,ureteroscopy and both were performed for 121,59 and 55 patients,*** revealed tumor-like lesions in 58 patients and the other patients had non-tumor-like *** were found in 43(34.4%)of the 125 *** of them had tumor-like lesions on *** 58 patients who had tumor-like lesions on CT,univariate and multivariate analyses revealed that tumor diameter and tumor enhancement were significant predictive factors for *** curve analysis of enhanced CT to diagnose UUTUCs revealed that a tumor diameter of 18 mm was the best cutoff *** sensitivity,specificity and accuracy were 90.0%,98.8% and 92.7% for RP and 95.5%,100% and 97.1%for ureteroscopy,*** of them had high sensitivity,specificity and ***:We should decide to evaluate the UUT according to the tumor diameter on enhanced *** we evaluate the UUT in patients with tumor diameters of less than 20 mm,ureteroscopy is recommended.

关键词： Upper urinary tract urothelial cancers Enhanced CT Ureteroscopy Retrograde pyelography

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BiFeO_(3)-BaTiO_(3):A new generation of lead-free electroceramics

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Journal of Advanced Dielectrics 2018年第6期8卷 8-42页

作者： Dawei Wang Ge Wang shunsuke Murakami Zhongming Fan Antonio Feteira Di Zhou Shikuan Sun Quanliang Zhao Ian M.Reaney Department of Materials Science and Engineering University of Sheffield Sheffield S13JDUK Department of Materials Science and Engineering Iowa State University AmesIowa 50011USA Christian Doppler Laboratory for Advanced Ferroic Oxides Sheffield Hallam University Sheffield S11WBUK Electronic Materials Research Laboratory Key Laboratory of the Ministry of Education&International Center for Dielectric Research Xi’an Jiaotong University Xi’an 710049ShaanxiP.R.China School of Mechanical and Materials Engineering North China University of Technology Beijing 100144 P.R.China

Lead-based electroceramics such as Pb(***)O_(3)(PZT)and its derivatives have excellent piezoelectric,pyroelectric and energy storage properties and can be used in a wide range of *** lead-free replacements for PZT such as potassium sodium niobate(KNN)and sodium bismuth titanate(NBT)have a much more limited range of useful properties and have been optimized primarily for piezoelectric ***,we review the initial results on a new generation of lead-free electroceramics based on BiFeO_(3)-BaTiO_(3)(BF-BT)highlighting the essential crystal chemistry that permits a wide range of functional *** demonstrate that with the appropriate dopants and heat treatment,BF-BT can be used to fabricate commercially viable ceramics for applications,ranging from sensors,multilayer actuators,capacitors and high-density energy storage *** also assess the potential of BF-BT-based ceramics for electrocaloric and pyroelectric applications.

关键词： BiFeO_(3)-BaTiO_(3) lead-free piezoelectrics energy storage dielectrics capacitors

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