Wyniki wyszukiwania dla: Takashi Kawamura

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Multicenter prospective cohort study of adverse events associated with biliary endoscopic retrograde cholangiopancreatography: Incidence of adverse events and preventive measures for post‐endoscopic retrograde cholangiopancreatography pancreatitis

Koichi Fujita, Shujiro Yazumi, Hisakazu Matsumoto, Masanori Asada, więcej

Digestive Endoscopy > 34 > 6 > 1198 - 1204

Objectives The reported incidence of adverse events (AEs) in endoscopic retrograde cholangiopancreatography (ERCP) varies between 2.5% and 14%. The aim of this study was to evaluate the incidence and severity of AEs in biliary ERCP and to specify the risk factors and preventive measures for post‐ERCP pancreatitis (PEP). Methods Patients with biliary disease with intact papilla were prospectively...

artykuł

Association of dietary diversity with all‐cause mortality by body mass index in Japanese older adults: An age‐specific prospective cohort study (NISSIN project)

Saeka Takabayashi, Takumi Hirata, Wenjing Zhao, Takashi Kimura, więcej

Geriatrics & Gerontology International > 22 > 9 > 736 - 744

Aim Dietary diversity might reduce the risk of malnutrition, although it is also linked to obesity. We examined whether dietary diversity is associated with all‐cause mortality in Japanese older adults based on their body mass index (BMI). Methods The current study included 2944 people aged 64–65 years who participated in the New Integrated Suburban Seniority Investigation (NISSIN) project from...

artykuł

Changes in behavioral activities and transition of depressive symptoms among younger‐old community‐dwelling adults during 6 years: An age‐specific prospective cohort study

Yifan Shan, Wenjing Zhao, Wen Hao, Takashi Kimura, więcej

International Journal of Geriatric Psychiatry > 37 > 8 > n/a - n/a

Objective Regular engagement in behavioral activities plays a crucial role against depressive symptoms in older adults. This study aims to explore the relationship between behavioral activities and the temporal evolution of depressive symptoms. Methods We included community‐dwelling Japanese adults aged 64 or 65 years with and without depressive symptoms enrolled in the New Integrated Suburban...

artykuł

Guidelines for de novo phasing using multiple small‐wedge data collection. Corrigendum

Seiki Baba, Hiroaki Matsuura, Takashi Kawamura, Naoki Sakai, więcej

Journal of Synchrotron Radiation > 29 > 2 > 593 - 593

A figure in the article by Baba et al.[(2021), J. Synchrotron Rad.28, 1284–1295] is corrected.

artykuł

Guidelines for de novo phasing using multiple small‐wedge data collection

Seiki Baba, Hiroaki Matsuura, Takashi Kawamura, Naoki Sakai, więcej

Journal of Synchrotron Radiation > 28 > 5 > 1284 - 1295

Intense micro‐focus X‐ray beamlines available at synchrotron facilities have achieved high‐quality data collection even from the microcrystals of membrane proteins. The automatic data collection system developed at SPring‐8, named ZOO, has contributed to many structure determinations of membrane proteins using small‐wedge synchrotron crystallography (SWSX) datasets. The `small‐wedge' (5–20°) datasets...

artykuł

Association between frequency of snacking and all‐cause mortality among community‐dwelling young‐old adults: An age‐specific prospective cohort study

Tohru Kobayashi, Wenjing Zhao, Shigekazu Ukawa, Kenji Wakai, więcej

Geriatrics & Gerontology International > 21 > 8 > 697 - 704

Aim We aimed to clarify whether snacking habits decrease the risk of all‐cause mortality in an older Japanese population. Methods The study participants were 64‐ or 65‐year‐old community‐dwelling residents recruited each survey year from 1996 through 2005. Data on the frequency of snacking and other lifestyle factors were obtained during the baseline survey using self‐administered questionnaires,...

artykuł

Proposed Massive‐MIMO Antenna Calibration Method Using Near‐Field Measurement

Takashi Kawamura, Masaaki Fuse

IEEJ Transactions on Electrical and Electronic Engineering > 16 > 2 > 199 - 205

Fifth‐generation mobile communications systems now being developed use antennas with large numbers of antenna elements and are decided to be massive‐MIMO technologies for flexibly changing the antenna beam (beam forming). Obtaining the required directivity for a multielement antenna requires control of the phase and amplitude of the variable phase shifter and variable amplifier built into each antenna...

artykuł

Daily sleep duration and the risk of incident disability among younger elderly Japanese adults in the New Integrated Suburban Seniority Investigation Project: A prospective study using competing event analysis

Lin Zhang, Shigekazu Ukawa, Wenjing Zhao, Satoe Okabayashi, więcej

Geriatrics & Gerontology International > 19 > 9 > 945 - 949

Aim This study aimed to investigate the association between daily sleep duration and incident disability among younger elderly individuals in Japan. Methods We carried out a prospective cohort study, the New Integrated Suburban Seniority Investigation Project, including 1895 (962 men and 933 women) Japanese physically and socially independent individuals aged ≥65 years. Information on daily sleep...

artykuł

Prehospital cardiopulmonary resuscitation duration and neurological outcome after out-of-hospital cardiac arrest among children by location of arrest: a Nationwide cohort study

Haruka Shida, Tasuku Matsuyama, Kosuke Kiyohara, Tetsuhisa Kitamura, więcej

Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine > 2019 > 27 > 1 > 1-9

Background Little is known about the associations between the duration of prehospital cardiopulmonary resuscitation (CPR) by emergency medical services (EMS) and outcomes among paediatric patients with out-of-hospital cardiac arrests (OHCAs). We investigated these associations and the optimal prehospital EMS CPR duration by the location of arrests. Methods We included paediatric patients aged 0–17...

artykuł

Lifestyle and psychosocial factors and a decline in competence in daily living among Japanese early elderly people: from an age-specified community-based cohort study (NISSIN project)

Satoe Okabayashi, Takashi Kawamura, Kenji Wakai, Masahiko Ando, więcej

Environmental Health and Preventive Medicine > 2019 > 24 > 1 > 1-10

Background To let the early elderly live well, understanding how lifestyle and psychosocial factors related to a decline in competence in daily living is important. Methods We investigated the associations between lifestyle and psychosocial factors at age 64 years and a decline in the Tokyo Metropolitan Institute of Gerontology Index of Competence score of ≥ 2 points at age 70 years among the participants...

artykuł

Proposal of over 100‐GHz band waveguide switch

Takashi Kawamura, Shigenori Mattori

Electrical Engineering in Japan > 206 > 1 > 3 - 11

A filter bank consisting of switches and band‐pass filters is one method for configuring a spectrum analyzer preselector. A long‐life switch with high isolation is key to this development. We propose a novel horizontal‐moving waveguide switch designed for easy addition of ports compared to commercial rotating switches. The switch has a small gap between the fixed and moving parts with the gap surrounded...

artykuł

Real-time feedback, debriefing, and retraining system of cardiopulmonary resuscitation for out-of-hospital cardiac arrests: a study protocol for a cluster parallel-group randomized controlled trial

Akihiro Hirakawa, Toshihiro Hatakeyama, Daisuke Kobayashi, Chika Nishiyama, więcej

Trials > 2018 > 19 > 1 > 1-9

Background The quality of cardiopulmonary resuscitation (CPR) performed by emergency medical services (EMS) personnel affects patient outcomes after cardiac arrest. A CPR feedback device with an accelerometer mounted on a defibrillator can monitor the motion of the patient’s sternum to display and record CPR quality in real time. To evaluate the utility of real-time feedback, debriefing, and retraining...

artykuł

Healthy Campus Trial: a multiphase optimization strategy (MOST) fully factorial trial to optimize the smartphone cognitive behavioral therapy (CBT) app for mental health promotion among university students: study protocol for a randomized controlled trial

Teruhisa Uwatoko, Yan Luo, Masatsugu Sakata, Daisuke Kobayashi, więcej

Trials > 2018 > 19 > 1 > 1-16

Background Youth in general and college life in particular are characterized by new educational, vocational, and interpersonal challenges, opportunities, and substantial stress. It is estimated that 30–50% of university students meet criteria for some mental disorder, especially depression, in any given year. The university has traditionally provided many channels to promote students’ mental health,...

artykuł

Effect of Serum Albumin Concentration on Neurological Outcome After Out-of-Hospital Cardiac Arrest (from the CRITICAL [Comprehensive Registry of Intensive Cares for OHCA Survival] Study in Osaka, Japan)

Tasuku Matsuyama, Taku Iwami, Tomoki Yamada, Koichi Hayakawa, więcej

The American Journal of Cardiology > 2018 > 121 > 2 > 156-161

The aim of this study was to assess whether serum albumin concentration upon hospital arrival had prognostic indications on out-of-hospital cardiac arrest (OHCA). This prospective, multicenter observational study conducted in Osaka, Japan (the CRITICAL [Comprehensive Registry of Intensive Cares for OHCA Survival] study), enrolled all patients with consecutive OHCA transported to 14 participating institutions...

artykuł

Factors associated with the difficulty in hospital acceptance among elderly emergency patients: A population‐based study in Osaka City, Japan

Tasuku Matsuyama, Tetsuhisa Kitamura, Yusuke Katayama, Kosuke Kiyohara, więcej

Geriatrics & Gerontology International > 17 > 12 > 2441 - 2448

Aim We aimed to investigate prehospital factors associated with difficulty in hospital acceptance among elderly emergency patients. Methods We reviewed ambulance records in Osaka City from January 2013 through December 2014, and enrolled all elderly emergency patients aged ≥65 years who were transported by on‐scene emergency medical service personnel to a hospital that the personnel had selected...

artykuł

Leisure-time physical activity and risk of disability incidence: A 12-year prospective cohort study among young elderly of the same age at baseline

Takashi Matsunaga, Mariko Naito, Kenji Wakai, Shigekazu Ukawa, więcej

Journal of Epidemiology > 2017 > 27 > 11 > 538-545

To clarify the role of physical activity in preventing disability in Japan, we investigated the association between amount of leisure-time physical activity and incidence of disability among the young elderly.In the New Integrated Suburban Seniority Investigation (NISSIN) project conducted from 1996 to 2013, we followed 2888 community-dwelling adults aged 64–65 years with no history of cerebrovascular...

artykuł

Alcohol consumption and mortality from aortic disease among Japanese men: The Japan Collaborative Cohort study

Toru Shirakawa, Kazumasa Yamagishi, Hiroshi Yatsuya, Naohito Tanabe, więcej

Atherosclerosis > 2017 > 266 > C > 64-68

Only a few population-based prospective studies have examined the association between alcohol consumption and abdominal aortic aneurysm, and the results are inconsistent. Moreover, no evidence exists for aortic dissection. We examined the effect of alcohol consumption on risk of mortality from aortic diseases.A total of 34,720 men from the Japan Collaborative Cohort study, aged 40–79 years, without...

rozdział

Development clothes folding system with small mobile robots

Tomohiro Watanabe, Takashi Kawamura, Kojiro Iizuka, Satoshi Suzuki

2017 56th Annual Conference of the Society of Instrument and Control Engineers of Japan (SICE) > 190 - 193

2017 56th Annual Conference of the Society of Instrument and Control Engineers of Japan (SICE)

Clothes are very important for daily life. We always wash, dry, and fold them for maintenance of clothes. Washing and drying were already automated. However, folding isn't automated. Automation of folding clothes is expected for not only industry, but also home use. Unfortunately, folding system for home use is not perfect yet. A folding system is implement with normal table and small mobile robots...

rozdział

Research for wearable multiple vital sign sensor using fiber Bragg Grating — Verification of several pulsate points in human body surface

Shun Chino, Hiroaki Ishizawa, Satoshi Hosoya, Shouhei Koyama, więcej

2017 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) > 1 - 6

2017 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)

The concern for human welfare has produced great demands for a rapid and continuous sensing system for vital signs in humans. In particular, wearable systems are required because they can monitor health status over a prolonged period. We have used a Fiber Bragg Grating (FBG) sensor to develop a wearable multiple vital sign sensor. The FBG sensor is installed at the pulsate points in a human body surface...

rozdział

DFD2.0: Motion robustness by amplitude domain approach

Takashi Kawamura, Khang Nguyen, Shunsuke Yasugi, Mitsuyoshi Okamoto, więcej

2017 Fifteenth IAPR International Conference on Machine Vision Applications (MVA) > 490 - 493

2017 Fifteenth IAPR International Conference on Machine Vision Applications (MVA)

Depth from Defocus (DFD) is known as a technology which is able to estimate depth by a monocular camera, without any additive devices. However, it has to get two blurred images with different focused distance sequentially so that subjects or the camera itself can move in the short interval of consecutive shots. Conventional DFD is intolerant to such image shift especially in the weak texture part...

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