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Risa Yamada(Risa Yamada ),Takeshi Fujii(Takeshi Fujii ),Kotaro Hattori(Kotaro Hattori ),Hiroaki Hori(Hiroaki Hori ),Ryo Matsumura(Ryo Matsumura ),Tomoko Kurashimo(Tomoko Kurashimo ),Naoko Ishihara(Nao 대한정신약물학회 2023 CLINICAL PSYCHOPHARMACOLOGY AND NEUROSCIENCE Vol.21 No.2
Objective: This study aimed to determine if the discrepancy between depression severity rated by clinicians and that reported by patients depends on key behavioral/psychological features in patients with mood disorders. Methods: Participants included 100 patients with mood disorders. First, we examined correlations and regressions between scores on the Hamilton Depression Rating Scale (HAMD) and Beck Depression Inventory (BDI). Second, we divided the participants into those who provided 1) greater ratings for the BDI compared with the HAMD (BDI relative- overrating, BO) group, 2) comparable ratings for the BDI and HAMD (BDI relatively concordant, BC) group, or 3) less ratings for the BDI (BDI relative-underrating, BU) group. Adverse childhood experiences, autistic-like traits, and coping styles were evaluated with a six-item short version of the Childhood Trauma Questionnaire (CTQ-6), the Social Responsiveness Scale for Adults (SRS-A), and the Ways of Coping Checklist (WCCL), respectively. Results: A significant correlation was found between HAMD and BDI scores. Total and emotional abuse subscale scores from the CTQ-6, and the self-blame subscale scores from the WCCL were significantly higher for the BO group compared with the BU group. The BO group also elicited significantly higher SRS-A total scores than did the other groups. Conclusion: These findings suggest that patients with adverse emotional experiences, autistic-like traits, and self-blame coping styles perceive greater distress than that evaluated objectively by clinicians. The results indicate the need for inclusion of subjective assessments to effectively evaluate depressive symptoms in patients deemed to have these psycho- behavioral concerns.
Hiroaki Okayasu,Yuji Ozeki,Kumiko Fujii,Yumiko Takano,Takahiro Shinozaki,Masami Ohrui,Kazutaka Shimoda 대한신경정신의학회 2019 PSYCHIATRY INVESTIGATION Vol.16 No.2
Objective: Some antidepressants have been implicated as risk factors for QT prolongation, which is a predictor of sudden cardiac death. However, the QT interval is considered an imperfect biomarker for proarrhythmic risk. Therefore, we reevaluated the risk of sudden cardiac death due to antidepressants using improved methods, namely, QT dispersion (QTD), T wave peak-to-end interval (Tp-e), and Tp-e/QT ratio. Methods: We compared the effects of antidepressants on QTc (QT/RR1/3), QTD, Tp-e, and Tp-e/QT ratio in 378 patients with mood disorder. We also compared each index between 165 healthy controls and 215 randomly selected age-matched patients. Results: Age (p<0.01), sex (p<0.05), tricyclic antidepressant (TCA) use (p<0.05), and clomipramine (p<0.01) and mianserin (p<0.05) use in particular, significantly associated with a prolonged QTc. We also found that age (p<0.01), TCA use (p<0.05), and clomipramine (p<0.01) and mianserin (p<0.05) use in particular, significantly prolonged QTD. However, there was no correlation between each variable and Tp-e or Tp-e/QT ratio. Significant differences in QTc and QTD were found between the patients and healthy controls. Conclusion: From our results, prediction of risk of sudden cardiac death by QTD, Tp-e, or Tp-e/QT ratio was inconsistent. Increased QTD may be more suitable for predicting sudden cardiac death due to antidepressants.
Yuki Fujii,Yoshihide Kanno,Shinsuke Koshita,Takahisa Ogawa,Hiroaki Kusunose,Kaori Masu,Toshitaka Sakai,Keisuke Yonamine,Yujiro Kawakami,Toji Murabayashi,Fumisato Kozakai,Yutaka Noda,Hiroyuki Okada,Kei 대한소화기내시경학회 2019 Clinical Endoscopy Vol.52 No.2
Background/Aims: This study aimed to identify the predictive factors for inaccurate endoscopic ultrasound-guided fine needleaspiration (EUS-FNA) diagnosis of swollen lymph nodes without rapid on-site cytopathological evaluation. Methods: Eighty-three consecutive patients who underwent EUS-FNA for abdominal or mediastinal lymph nodes from January2008 to June 2017 were included from a prospectively maintained EUS-FNA database and retrospectively reviewed. The sensitivity,specificity, and accuracy of EUS-FNA for the detection of neoplastic diseases were calculated. Candidate factors for inaccurate diagnosis(lymph node size and location, needle type, puncture route, number of passes, and causative disease) were evaluated by comparisonbetween accurately diagnosed cases and others. Results: The final diagnosis of the punctured lymph node was classified as neoplastic (65 cases: a metastatic lymph node, malignantlymphoma, or Crow-Fukase syndrome) or non-neoplastic (18 cases: a reactive node or amyloidosis). The sensitivity, specificity, andaccuracy were 83%, 94%, and 86%, respectively. On multivariate analyses, small size of the lymph node was the sole predictive factor forinaccurate EUS-FNA diagnosis with a significant difference (odds ratios, 19.8; 95% confidence intervals, 3.15–124; p=0.0015). Conclusions: The lymph node size of <16 mm was the only independent factor associated with inaccurate EUS-FNA diagnosis ofswollen lymph nodes.
THE VARIATION OF ONE MACHINE SCHEDULING PROBLEM
Han, Sangsu,Ishii, Hiroaki,Fujii, Susumu,Lee, Yong-Hae 한국경영과학회 1993 한국경영과학회 학술대회논문집 Vol.- No.1
A generalization of one machine maximum lateness minimization problem is considered. There are one machine with controllable speed and n weighting jobs J_j, j = 1,2,‥·,n with ambiguous duedates. Introducing fuzzy formulation, a membership function of the duedate associated with each job J_j. Thus the duedates are not constants as in conventional scheduling problems but decision variables reflecting the fuzzy circumstance of the job completing. We develop the polynomial time algorithm to find an optimal schedule and jobwise machine speeds, and to minimize the total sum of costs associated with jobwise machine speeds and dissatisfaction with respect to completion times of weighting jobs.
Identification and Quantitative Determination of Glucosinolates in Brassica napus cv. Hanakkori
Sun-Ju Kim,Kouei Fujii,Zaidul Islam Sarker Mohamed,Hyun-Woong Kim,Hiroaki Yamauchi,Gensho Ishii 한국식품과학회 2008 Food Science and Biotechnology Vol.17 No.5
The objective of this study was to identify and quantify glucosinolates (GSLs) in Brassica napus cv. Hanakkori and its parents and to evaluate its potential bitter taste. ‘Hanakkori’ materials were cultivated with commercial chemical nutrients (20 kg/ha, N-P-K: 16-10-10) at the field. GSLs were isolated by means of extraction with 70%(v/v) boiling methanol (MeOH) followed by desulfation from those plants by reversed-phase high performance liquid chromatography (HPLC) and identified by electronic spray ionization-mass spectrometry (ESI-MS) analysis. In ‘Hanakkori’, 11 GSLs were identified as progoitrin, glucoraphanin, glucoalyssin, gluconapoleiferin, gluconapin, 1-methylpropyl, glucobrassicanapin, glucobrassicin, 4-methoxyglucobrassicin, gluconasturtiin, and neoglucobrassicin. The total GSL contents were 109 and 36.1 mmol/kg dry weights (d.w.) for the seeds and edible parts, respectively. The major GSLs (>5 mmol/kg d.w.) in the seeds were progoitrin (78.8), gluconapin (10.7), and glucobrassicanapin (7.81), whereas they in the edible parts were progoitrin (16.1) and glucobrassicanapin (8.58). In addition, the bitter taste in the edible parts was presumably related with the presence of progoitrin (>45% to the total GSL).
Yoshihide Kanno,Shinsuke Koshita,Takahisa Ogawa,Hiroaki Kusunose,Kaori Masu,Toshitaka Sakai,Keisuke Yonamine,Yujiro Kawakami,Yuki Fujii,Kazuaki Miyamoto,Toji Murabayashi,Fumisato Kozakai,Jun Horaguchi 대한소화기내시경학회 2019 Clinical Endoscopy Vol.52 No.6
Background/Aims: In this study, we aimed to evaluate the predictive value of localized stenosis of the main pancreatic duct (MPD) forearly detection of pancreatic cancer. Methods: Among 689 patients who underwent endoscopic retrograde pancreatography from January 2008 to September 2018, 19patients with MPD findings were enrolled. These patients showed findings for indicating suspicious pancreatic cancer at an early stage(FiCE); FiCE was defined as a single, localized stenosis in the MPD without a detectable mass (using any other imaging methods) andwithout other pancreatic diseases, such as definite chronic pancreatitis, intraductal papillary mucinous neoplasm, and autoimmunepancreatitis. Final diagnoses were established by examining resected specimens or through follow-up examinations after an interval of>5 years. Results: Among 19 patients with FiCE, 11 underwent surgical resection and 8 were evaluated after a >5-year observation period. Thefinal diagnosis of the MPD stenosis was judged to be pancreatic cancer in 9 patients (47%), including 3 with intraepithelial cancer, andto be a non-neoplastic change in 10. The sensitivity, specificity, and accuracy of preoperative pancreatic juice cytology were 75%, 100%,and 88%, respectively. Conclusions: The predictive value of FiCE for pancreatic cancer prevalence was 47%. Histological confirmation with pancreatic juicecytology is necessary before surgical resection.
Automatic Turn-off Angle Control for High Speed SRM Drives
Maged N. F. Nashed,Kazuhiro Ohyama,Kenichi Aso,Hiroaki Fujii,Hitoshi Uehara 전력전자학회 2007 JOURNAL OF POWER ELECTRONICS Vol.7 No.1
This paper presents a new approach to the automatic control of the turn-off angle used to excite the Switched Reluctance Motor (SRM) employed in electric vehicles (EV). The controller selects the turn-off angle that supports and improves the performance of the motor drive system. This control scheme consisting of classical current control and speed control depends on a lookup table to take the best result of the motor. The turn-on angle of the main switches of the inverter is fixed at 0° and the turn-off angle is variable depending on the reference speed. The motor, inverter and control system are modeled in Simulink to demonstrate the operation of the system.
Yoshihide Kanno,Kei Ito,Shinsuke Koshita,Takahisa Ogawa,Hiroaki Kusunose,Kaori Masu,Toshitaka Sakai,Toji Murabayashi,Sho Hasegawa,Fumisato Kozakai,Yujiro Kawakami,Yuki Fujii,Yutaka Noda 대한소화기내시경학회 2018 Clinical Endoscopy Vol.51 No.3
Background/Aims: Although both radial- and convex-arrayed endoscopic ultrasonography (EUS) scopes are widely used forobservational EUS examinations, there have been few comparative studies on their power of visualization. The aim of this study was toevaluate the capability of these EUS scopes for observation of the pancreatobiliary junction. Methods: The rate of successful visualization of the pancreatobiliary junction was retrospectively compared between a radial-arrayedand a convex-arrayed echoendoscope, from a prospectively maintained database. Study periods were defined as January 2010 toDecember 2012 for the radial group, and February 2015 to October 2016 for the convex group because the respective scope wasmainly used during those periods. Results: During the study period, 1,660 cases with radial EUS and 1,984 cases with convex EUS were recruited. The success rates ofobservation of the pancreatobiliary junction were 80.0% and 89.5%, respectively (p<0.0001). Conclusions: The capability of visualization of the pancreatobiliary junction in observational EUS was found to be better with aconvex-arrayed than with a radial-arrayed echoendoscope
Design Using Finite Element Analysis of a Switched Reluctance Motor for Electric Vehicle
Kazuhiro Ohyama,Maged Naguib F. Nashed,Kenichi Aso,Hiroaki Fujii,Hitoshi Uehara 전력전자학회 2006 JOURNAL OF POWER ELECTRONICS Vol.6 No.2
In this paper, a Switched Reluctance Motor (SRM) employed in an electric vehicle (EV) is designed using the finite element method (FEM). The static torque of the SRM is estimated through magnetic field analysis. The SRM temperature rise over operation time is estimated through heat transfer analysis. First, static torque and temperature rise over the time of 600W SRM is included in the experiment set, and are compared with the calculated results using the FEM under the same conditions. The validity of the magnetic field analysis and heat transfer analysis is verified by the comparisons. In addition, a 60 [㎾] SRM employed in an EV, whose output characteristics are equal to a 1500 [cc] gasoline engine, is designed under magnetic field analysis and heat transfer analysis.