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Open Journal of Orthopedics 2017年第11期7卷 369-374页

作者： Hiroshi Yonezu Hiroshi Mikami Koichi Oba Katsutoshi Miyatake Michihiro Takai Akihiro nitta Department of Orthopedics Yoshinogawa Medical Center Tokushima Japan

An abnormality of femoral anteversion (FA) is often recognized in patients with osteoarthritis of the hip joint (hip OA). And it is considered that rotation abnormality in the knee and the lower leg occurs as compensation, in cases of FA abnormality. The purpose of this study was to assess the magnitude and variability of FA and femoral condyle rotation (FCR) in order to identify the association between FA and FCR in female patients with hip OA who require total hip arthroplasty. A total of 174 hips from 174 hip OA patients undergoing THA were included in this study. All patients were Asian women (average age: 71.1 years). An equilateral correlation was accepted in FA and FCR. It was thought that FA abnormality might be accompanied by morphological rotation abnormalities of the knee joint. Caution is needed in considering femoral anteversion using the posterior condylar line. We must consider FA in patients undergoing THA after having considered the whole leg rotation.

关键词： Femoral Anteversion Femoral Condyle Rotation Osteoarthritis of the Hip Posterior Condylar Line Epicondylar Line Total Hip Arthroplasty (THA)

Factors correlating with acoustic radiation force impulse elastography in chronic hepatitis C

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World Journal of Gastroenterology 2014年第5期20卷 1289-1297页

作者： Toru Nishikawa Senju Hashimoto Naoto Kawabe Masao Harata Yoshifumi nitta Michihito Murao Takuji Nakano Yuko Mizuno Hiroaki Shimazaki Toshiki Kan Kazunori Nakaoka Yuka Takagawa Masashi Ohki Naohiro Ichino Keisuke Osakabe Kentaro Yoshioka Department of Liver Biliary Tract and Pancreas Diseases Fujita Health University Faculty of Medical Technology School of Health Sciences Fujita Health University

AIM: To investigate the factors other than fibrosis stage correlating with acoustic radiation force impulse (ARFI) elastograpy in chronic hepatitis C.

关键词： Acoustic radiation force impulse Body mass index Chronic hepatitis C Computer-assisted morphometric image analysis Fibrosis stage Hyaluronic acid Liver stiffness measurement Transient elastography Velocity of shear wave

1988年日本异常的夏季天气及其与热带的关系

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北京气象 1992年第1期 34-41页

作者： nitta,BT 王世平

An Invitation of the Combination of the Geriatric Nutritional Risk Index and the Triglyceride to High-Density Lipoprotein Cholesterol Ratio as a Mortality Predictor in Maintenance Hemodialysis Patients

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International Journal of Clinical Medicine 2017年第2期8卷 86-97页

作者： Ayako Hasegawa Norio Hanafusa Masayuki Okazaki Mizuki Komatsu Hiroshi Kawaguchi Ken Tsuchiya Kosaku nitta Department of Medicine Kidney Center Tokyo Women’s Medical University Tokyo Japan Department of Blood Purification Kidney Center Tokyo Women’s Medical University Tokyo Japan Department of Nephrology Jyoban Hospital Fukushima Japan

Background: The geriatric nutritional risk index (GNRI) has been developed as a tool to assess the nutritional risk. The triglyceride to high-density lipoprotein cholesterol (TG/HDL-C) ratio has been shown to be a predictor of cardiovascular (CV) outcomes in the general population. Objectives: The aim of this study was to determine whether the combination of GNRI and TG/HDL-C ratio is a predictor of all-cause mortality and CV deaths in maintenance hemodialysis (MHD) patients. Methods: We performed a retrospective, observational cohort study in which we enrolled 341 MHD patients from a single center in Japan who had been followed up for a mean of 48.0 ± 12.7 months. The outcomes were defined as the occurrence of all-cause mortality and CV deaths during the follow-up period. Baseline GNRI and TG/HDL-C ratios were investigated for associations with outcomes by using Cox proportion hazards models adjusted for demographic parameters. Results: Overall, 101 of the subjects had died, of whom 52 died due to CV events during the mean follow-up period of 48.0 ± 12.7 months. The patients were grouped into four categories according to a median GNRI Conclusion: The combination of GNRI and TG/HDL-C ratio is an easily accessible marker for predicting all-cause mortality and CV deaths in MHD patients.

关键词： GNRI Triglyceride HDL-Cholesterol Mortality Hemodialysis

芯片强度改进——减薄前划片+等离子包蚀刻(英文)

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电子工业专用设备 2005年第10期34卷 35-38页

作者： Kawai nitta Disco Corporation Sales Engineering Department

对于目前的多层芯片封装和IC卡, 不仅在组装工艺的提高良品率中要求芯片强度高, 而且在封装之后还要求有更好的使用期限。根据更薄晶圆的要求, 引入了消除晶圆减薄引起损伤的各种应力解除方法, 但在应力解除之后的划片中又引起了机械损... 详细信息

对于目前的多层芯片封装和IC卡, 不仅在组装工艺的提高良品率中要求芯片强度高, 而且在封装之后还要求有更好的使用期限。根据更薄晶圆的要求, 引入了消除晶圆减薄引起损伤的各种应力解除方法, 但在应力解除之后的划片中又引起了机械损伤, 通过这些方法不可能使芯片强度达到最大。因此, 我们开发了一种结合减薄前划片(DBG)的等离子蚀刻的应力解除方法。减薄前已完成划片工序的晶圆可在其底面和划切面同时用氟基蚀刻, 从而消除机械损伤。我们已能够通过比较经历过常规应力解除芯片来确认被改进芯片强度的平均、最小、最大值。可以预期这项技术将被用于提高今后将进一步扩展的IC卡(即信用卡, 身份证)的寿命要求。

关键词： IC卡芯片减薄芯片强度应力消除 IC卡寿命

Measurements of the Lower Uterine Segment at Term in Women with Previous Cesarean Delivery

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Open Journal of Obstetrics and Gynecology 2016年第1期6卷 1-7页

作者： Tadatsugu Kinjo Hitoshi Masamoto Keiko Mekaru Yusuke Taira Yukiko Chinen Hayase nitta Yoichi Aoki Department of Obstetrics and Gynecology Graduate School of Medicine University of the Ryukyus Nishihara Okinawa Japan

Purpose: To evaluate the accuracy of sonographic measurements of the lower uterine segment (LUS) thickness at term in predicting uterine scar defects in women with previous Cesarean delivery (CD). Methods: Eighty-nine pregnant women who underwent CD between 37 and 41 weeks of gestation from 2013 to 2015 were enrolled in this study and divided into two groups. Group A consisted of women with previous CD, and Group B consisted of women with previous vaginal deliveries. We performed an ultrasound evaluation of the myometrial and full thickness of LUS (mLUS and fLUS) transvaginally before a CD and evaluated the appearance of LUS during surgery, which was defined as follows: grade I, well-developed;grade II, thin without visible content;grade III, translucent with visible content;and grade IV, either dehiscence or rupture. Results: The median mLUS and fLUS were 1.50 and 4.07 mm in the group A, and 2.75 and 5.37 mm in the group B. We observed significant differences in the median mLUS and fLUS between grades I/II (2.07 and 4.37 mm) and grades III/IV (0.67 and 2.52 mm). Both mLUS and fLUS were predictive factors for grades III/IV and cutoff values were 0.97 mm of mLUS and 3.13 mm of fLUS, having a sensitivity of 87.5% and 75.0%, and a specificity of 87.7% and 91.4% in mLUS and fLUS measurement, respectively. Conclusion: Sonographic measurements of LUS at term may be a feasible and reliable method to predict uterine rupture or uterine dehiscence in women with prior CD.

关键词： Lower Uterine Segment Sonographic Measurement Previous Cesarean Uterine Rupture Uterine Dehiscence

Morphology and Tensile Properties of Polyolefin Blends Produced by Rot-Molding Process

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华东理工大学学报（自然科学版） 2009年第6期35卷 954-954页

作者： Koh-hei nitta Takanobu KA WAMURA Toshio IGARASHI Department of Chemical Engineering Kanazawa University Japan

Hemoglobin Level Stability after a Switch from Darbepoetin Alfa to Epoetin Beta Pegol for the Treatment of Renal Anemia in Hemodialysis Patients

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International Journal of Clinical Medicine 2015年第9期6卷 652-660页

作者： Sayaka Takahashi Yoshiko Tanaka Mari Takano Keiko Suzuki Mio Ueda Yukiko Shimamoto Kosaku nitta Department of Nephrology Shinjuku Ishikawa Clinic Tokyo Japan Department of Medicine Kidney Center Tokyo Women’s Medical University Tokyo Japan

Background: New erythropoiesis-stimulating agents (ESAs) with a longer half-life have been developed for the treatment of anemia as a complication of patients with end-stage renal disease. Objectives: The objective of the present study was to assess the hemoglobin (Hb) stability of a Japanese cohort of hemodialysis (HD) patients who were simultaneously switched from darbepoetin alfa (DA) to epoetin beta pegol (CERA). Methods: This was an observational, prospective study of HD patients 20 years of age or more who were switched from intravenous (IV) DA to IV CERA and continued on HD for at least 3 months. The dose was adjusted to maintain the Hb level to within 1.0 g/dl of the baseline value. Results: A total of 68 HD patients (75.0% male, median age 63.0 years) were enrolled. The patients’ mean Hb levels were 10.8 ± (0.6) g/dl at Month 0, 10.9 ± 0.7 at Month 1, 10.8 ± 0.7 at Month 2, and 10.9 ± 0.8 at Month 3, and the differences from the level at Month 0 were not significant. After the switch, the ESA dose decreased significantly (P P < 0.0001). Conclusion: Switching from DA to CERA was associated with approximate 89% reduction of the required dose in Japanese HD patients being treated with an ESA and showed a favorable impact on the treatment of renal anemia, including the need for less frequent injections and a reduction of the ESA dose.

关键词： Darbepoetin Alfa Epoetin Beta Pegol Hemoglobin ESA Resistance Hemodialysis

Coronary Artery Bypass Grafting with Complete Revascularization Can Provide Equivalent Long-Term Prevention of Ischemic Cardiac Events in Patients on and Not on Hemodialysis: A Graft-Matched and Baseline-Adjusted Analysis

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Surgical Science 2018年第10期9卷 367-380页

作者： Hajime Imura Makoto Shirakawa Motohiro Maeda Kenichiro Takahashi Takahide Yosio Yuji Maruyama Takashi nitta Department of Cardiovascular Surgery Nippon Medical School Musashikosugi Hospital Kanagawa Japan Nippon Medical School Hospital Kawasaki Japan

Background: Patients on hemodialysis are at high risk of adverse cardiac events after coronary artery bypass grafting (CABG). The aim of this study is to know whether CABG with complete revascularization and similar graft selection can provide equivalent long-term benefits for patients on and not on hemodialysis. Methods: Between 2004 and 2018, 746 patients underwent isolated CABG, of which 106 were on hemodialysis. Propensity matching on baseline characteristics, graft types and on/off-pump CABG was performed to compare clinical outcomes between patients on (n = 102) and not on (n = 102) hemodialysis. Results: Complete revascularization was achieved in all patients. The mean follow-up was 112.5 ± 46.6 months. Off-pump rates (hemodialysis vs non-hemodialysis, 93/102 vs 94/102, p > 0.999) and graft selections (distal anastomoses: 3.7 ± 1.4 vs 3.8 ± 1.5, p = 0.377, ITA grafts: 1.4 ± 0.6 vs 1.5 ± 0.6, p = 0.560, arterial grafts: 1.9 ± 0.9 vs 2.0 ± 0.8, p = 0.658, vein grafts: 0.69 ± 0.63 vs 0.65 ± 0.70, p = 0.513) were well balanced between the groups. Hospital mortality was higher in patients on hemodialysis than in those not on hemodialysis (5/102 vs 1/102, p = 0.212). The Kaplan-Meier analysis revealed that cardiac death (without non-cardiac causes) was significantly more common in patients on hemodialysis than in those not on hemodialysis (p = 0.018). However, there were no significant differences in deaths due to ischemic heart disease (p = 0.327), repeated revascularization (p = 0.542), myocardial infarction (p = 0.783), and heart failure requiring admission (p = 0.371). Conclusion: CABG with complete revascularization and similar graft selection provides equivalent long-term benefits with regard to the prevention of adverse cardiac events due to ischemic heart disease in patients on and not on hemodialysis.

关键词： Coronary Artery Bypass Grafting Hemodialysis Complete Revasculariza-tion Gastroepiploic Artery

An Experimental Study on the Indoors Attenuation of Electromagnetic Wave for Transmitting the Standard Time Signal

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An Experimental Study on the Indoors Attenuation of Electrom...