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Osteoporosis liaison service in Japan
Hiroshi Hagino,Takashi Wada 대한골다공증학회 2019 Osteoporosis and Sarcopenia Vol.5 No.3
A fracture liaison service (FLS) is a secondary fracture prevention program that is led by a coordinator. A program called the osteoporosis liaison service (OLS), which includes FLS, was first implemented in Japan and has become popular for solving problems related to osteoporosis treatment. OLS and FLS have the same purpose, namely preventing fragility fractures, but while FLS focuses mainly on secondary fracture prevention in fracture patients, OLS addresses this issue as well as primary fracture prevention at clinics and in communities.
MAGNETIC HELICITY OF SOLAR ACTIVE REGIONS AND ITS IMPLICATIONS
SAKURAI T.,HAGINO M. The Korean Astronomical Society 2003 Journal of The Korean Astronomical Society Vol.36 No.suppl1
We have studied the magnetic helicity of active regions by using the data from (1) the photo-electric magnetograph of the Okayama Observatory (1983-1995) and (2) the video magnetograph of NAOJ/Mitaka (1992-2000). The latitude distribution of helicity showed a tendency that the regions in the north (south) hemisphere have negative (positive) helicities, respectively, which is already known as the hemispheric sign rule. If we look into the sign of helicity as a function of time, the sign rule was less definite or was reversed sometimes in the sunspot minimum phase. We also studied the relation between the magnetic helicity and the sunspot tilt angles, and found that these two quantities are positively correlated, which is opposite to the expectation of a theoretical model. The implications of this cycle-phase dependence of helicity signs and the correlation between magnetic he Ii city and sunspot tilt angles are discussed.
Tanishima Shinji,Hagino Hiroshi,Matsumoto Hiromi,Tanimura Chika,Nagashima Hideki 대한척추외과학회 2023 Asian Spine Journal Vol.17 No.6
Study Design: Cross-sectional cohort study.Purpose: This study investigated the relationship among osteoporosis, sarcopenia, locomotive syndrome, and spinal kyphosis in older individuals living in a mountain area.Overview of Literature: Kyphosis greatly reduces the quality of life of older individuals. Osteoporosis and sarcopenia are kyphosiscausing factors.Methods: This cross-sectional study included 361 individuals aged ≥65 years (mean age, 75.0 years) living in a local mountain area and underwent medical check-ups from 2014 to 2018. The survey items included kyphosis index, body mass index, back pain prevalence, back pain Visual Analog Scale score, Oswestry Disability Index, walking speed, grip strength, skeletal mass index, osteoporosis (% young adult mean [YAM]), LOCOMO 5 score, and presence of sarcopenia (Asian Working Group for Sarcopenia). The participants were divided into the N (kyphosis index: <12; n=229, 63.4%), M (kyphosis index: 12–15; n=99, 27.4%), and K (kyphosis index: ≥15; n=33, 9.2%) groups. <i>p</i> -values of <0.05 were considered statistically significant. An association factor of kyphosis (kyphosis index: ≥15) was investigated with logistic regression analysis.Results: Age and LOCOMO 5 scores were significantly higher (<i>p</i> <0.05) and %YAM and walking speed were significantly lower (<i>p</i> <0.05) in the K group than in the M and N groups. Other survey items showed significant differences. Only %YAM (odds ratio, 0.20; 95% confidence interval, 0.04–0.96) was an independent factor associated with a kyphosis index of ≥15.Conclusions: Decreased muscle mass and muscle strength would be related to kyphosis; however, no such relations were noted. Bone loss was significantly related to kyphosis. Osteoporosis-induced decrease in vertebral body height is present in the background. Sarcopenia and locomotive syndrome were not related to kyphosis, whereas decreased bone density was independently associated with kyphosis in older individuals living in a mountain area.
Tetsuo Gotoh,Yuko Hagino,Kentaro Doke 한국응용곤충학회 2011 Journal of Asia-Pacific Entomology Vol.14 No.2
The seasonal abundance of Palpita nigropunctalis larvae was studied on five oleaceous tree species in Ibaraki,central Japan, for two years. The larval population peaked on sometree species in both spring and autumnwhile it peaked on other tree species only in autumn. In bimodal populations, the spring peaks consisted of larvae infesting leaves, while the autumn peaks consisted of larvae infesting various tree parts (flowers, fruits and leaves). Larval development was longer and pupal weights were lower on Ligustrum lucidum fruits than on Ligustrum japonicum fruits. Thus, L. japonicum fruits were suitable for larval development in autumn. First-instar larvae appeared to occur three times per year (in late April to earlyMay,mid to late September and early tomid October).Adultswere observed fromlateMarch to early April,midMay to early June, and early September to mid November at the census sites, showing that P. nigropunctalis had three generations a year. The percentage of females having premature ovaries were 64.3 and 12.5% at 15 °C under 14-h and 15-h photophases, respectively,and 28.6 and 25% at 20 °C under the respective photophases. These temperatures and photoperiods are typical of those inMay and June in the census sites. The ovaries of females collected in the field between late May and mid July were premature, in agreement with the laboratory experiments. The pupal duration was prolonged under the short photoperiod, especially at reduced temperatures. We discuss a possible life cycle of P. nigropunctalis in Ibaraki.
Variable Gain Robust Output Feedback Controllers for a Class of Polytopic Uncertain Systems
Hidetoshi OYA,Kojiro HAGINO 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
This paper discusses a design problem of a variable gain robust output feedback controller for a class of polytopic uncertain systems. The uncertainties under consideration satisfy the matching condition and are bounded. In this paper, we show a design method of the variable gain robust output feedback controller. Finally, the effectiveness of the proposed design scheme is shown through simple illustrative examples.
Locomotive syndrome presents a risk for falls and fractures in the elderly Japanese population
Hiromi Matsumoto,Hiroshi Hagino,Takashi Wada,Eri Kobayashi 대한골다공증학회 2016 Osteoporosis and Sarcopenia Vol.2 No.3
“Locomotive syndrome” is used to designate the condition of individuals with musculoskeletal disease who are highly likely to require nursing care. This article reviews screening, prevalence, causal and related factors, and the relationship between locomotive syndrome and falls and fractures in older adults with this syndrome. A few self-administered questionnaire tools are available to assess individuals for locomotive syndrome. Additionally, screening methods, including a physical functioning assessment, are appropriate for detailed discrimination of locomotive syndrome. The prevalence of locomotive syndrome is significantly higher in women than in men, and tends to increase markedly from 70 years of age. More severe locomotive syndrome is related to knee pain, osteoporosis, sarcopenia, and lumbar disease. The incidence of falling in locomotive syndrome is higher than the incidence for the older population in general. Locomotive training including squats and a unipedal standing exercise has been recommending to prevent locomotive syndrome. This training improves muscle strength and balance function for older people who have a risk for locomotive syndrome.